MCI - SEA

$121 Find Cheap Flights from Kansas City to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Kansas City to Seattle departing on 7/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Kansas City to Seattle.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Kansas City to Seattle.
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Everything you should know

Cheapest round-trip
$333
Typical prices: $437-$297
United Airlines
Wed 8/19Fri 8/28
MCI - SEA • 1 stop
Cheapest non-stop
$337
Typical prices: $378-$277
Alaska Airlines
Sat 9/19Wed 9/23
MCI - SEA • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Delta offers free Wi-Fi for SkyMiles members on domestic Kansas City-Seattle flights.
Alaska's 20-minute baggage guarantee adds value; Premium Class brings extra legroom.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from $333 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with Alaska Airlines, Delta and Southwest. Average duration is 3h 58m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top layover airports
Cheapest • Avg $292 (round-trip)
Shortest trip • 5h 53m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 58% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 31% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
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We hope you love your trip to Seattle!
Flight Deals
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Flight Deals

Cheap Flights from Kansas City to Seattle (MCI-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Kansas City to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Kansas City to Seattle

Wed, Aug 19 - Fri, Aug 28
United Airlines Logo
5:13 pm - 11:04 pm
MCI
-
SEA
7h 51m
1 stop
United Airlines Logo
5:00 am - 12:37 pm
SEA
-
MCI
5h 37m
1 stop
$333United Airlines
Thu, Oct 22 - Mon, Oct 26
Frontier Logo
2:17 pm - 9:51 am
MCI
-
SEA
21h 34m
1 stop
Frontier Logo
7:41 pm - 1:22 pm
SEA
-
MCI
15h 41m
1 stop
$334Frontier
Sat, Sep 19 - Wed, Sep 23
Alaska Airlines Logo
1:34 pm - 3:29 pm
MCI
-
SEA
3h 55mnonstop
Alaska Airlines Logo
8:12 am - 1:57 pm
SEA
-
MCI
3h 45mnonstop
$337Alaska Airlines
Thu, Jul 30 - Mon, Aug 3
Frontier Logo
1:45 pm - 9:17 am
MCI
-
SEA
21h 32m
1 stop
Frontier Logo
7:06 pm - 1:00 pm
SEA
-
MCI
15h 54m
1 stop
$339Frontier
Fri, Jul 17 - Mon, Jul 27
Frontier Logo
4:32 pm - 10:39 am
MCI
-
SEA
20h 07m
1 stop
Frontier Logo
7:06 pm - 1:00 pm
SEA
-
MCI
15h 54m
1 stop
$340Frontier
Tue, Aug 18 - Sun, Aug 30
United Airlines Logo
6:00 am - 10:01 am
MCI
-
SEA
6h 01m
1 stop
United Airlines Logo
11:59 pm - 10:06 am
SEA
-
MCI
8h 07m
1 stop
$341United Airlines
Wed, Aug 5 - Wed, Aug 12
Frontier Logo
1:45 pm - 9:17 am
MCI
-
SEA
21h 32m
1 stop
Frontier Logo
7:06 pm - 1:00 pm
SEA
-
MCI
15h 54m
1 stop
$344Frontier
Wed, Aug 12 - Mon, Aug 17
Delta Logo
7:15 am - 9:12 am
MCI
-
SEA
3h 57mnonstop
Delta Logo
11:59 pm - 8:34 am
SEA
-
MCI
6h 35m
1 stop
$346Delta
Sat, Sep 19 - Wed, Sep 23
Alaska Airlines Logo
2:53 pm - 6:51 pm
MCI
-
SEA
5h 58m
1 stop
Alaska Airlines Logo
6:27 pm - 11:59 pm
SEA
-
MCI
3h 32mnonstop
$347Alaska Airlines
Tue, Jun 30 - Sun, Jul 12
Frontier Logo
1:45 pm - 9:48 am
MCI
-
SEA
22h 03m
1 stop
Frontier Logo
8:53 pm - 3:47 pm
SEA
-
MCI
16h 54m
1 stop
$351Frontier
Booking Insights

KAYAK's insights & trends for Kansas City to Seattle flights

Get data-powered insights and trends into flights from Kansas City to Seattle to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Kansas City to Seattle?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Kansas City to Seattle departing in August.

What’s the cheapest day of the week to fly from Kansas City to Seattle?

The average price of all round-trip flights from Kansas City to Seattle clicked on KAYAK for each day over the last 12 months.

For Kansas City to Seattle, Thursday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Seattle back to Kansas City, the best deals are generally found on Tuesday, with Monday being the most expensive.

What is the cheapest month to fly from Kansas City to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Kansas City to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Kansas City to Seattle is February, where tickets cost $228 (return) on average. On the other hand, the most expensive months are May and July, where the average cost of round-trip tickets is $443 and $437 respectively.

Can I save money by flying with a layover from Kansas City to Seattle?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $447, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Kansas City to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Kansas City to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Kansas City to Seattle, you should book around 4 weeks before departure, which saves you about 58% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Expert advice

Expert advice for your flight from Kansas City to Seattle

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

John Walton

John Walton

Expert on MCI

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Good to know

Low seasonJanuary
Cheapest flight$121
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 31% increase in price.
Flight from Kansas City to Seattle

When to book flights from Kansas City to Seattle

Are your dates flexible? Find out the best times to travel from Kansas City to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Kansas City to Seattle

  • How can I fly between MCI and SEA?

    American Airlines, Alaska Airlines, and Delta all fly nonstop flights between Kansas City and Seattle. Delta flies a one-stop flight between Kansas City and Seattle. This flight tends to stop in Salt Lake City (SLC).

  • Are there any designated areas at MCI for nursing mothers?

    MCI offers two nursing rooms at Terminal C, inside the departure lounges. One of these is inside the United departure lounge. The other is inside the holding room serving Alaska, American, Frontier, and Spirit. These rooms are big enough to fit one family. They feature comfortable seating, large changing and washing areas, adjustable lighting, a toddler toy, and a lockable door. There are also family restrooms in both terminals before security. These are larger restrooms with a lockable door that have changing stations and space for a stroller.

  • Where can I park my car long-term at MCI?

    Economy parking lots at the airport are an affordable option. Free shuttle service will take you to your terminal, and these shuttle buses depart approximately every 20min. Economy lots B and C offer charging stations for electrical vehicles. All shuttles between the parking lots and the terminals are wheelchair accessible.

  • How do I get from SEA airport into downtown Seattle on public transit?

    To get from SEA to the city center of Seattle on public transit, you can take the #1 Light Rail from the Light Rail Station near the fourth floor of the SEA parking garage. This train will take you to various locations throughout Seattle.

  • What is the cheapest flight from Kansas City to Seattle?

    In the last 5 days, the lowest price for a flight from Kansas City to Seattle was $121 for a one-way ticket and $333 for a round-trip.

  • Do I need a passport to fly between Kansas City and Seattle?

    No, a passport isn't needed to fly from Kansas City to Seattle. However, local authorities might ask for an official ID.

  • Which airlines offer Wi-Fi service onboard planes from Kansas City to Seattle?

    Alaska Airlines, Delta, Hawaiian Airlines, American Airlines, and JetBlue offer inflight Wi-Fi service on the Kansas City to Seattle flight route.

  • Which aircraft models fly most regularly from Kansas City to Seattle?

    The Boeing 737 is the aircraft model that flies most regularly on the Kansas City to Seattle flight route.

  • Which airline alliances offer flights from Kansas City to Seattle?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Kansas City and Seattle, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Kansas City to Seattle?

    There are nonstop flights from Kansas City to Seattle on a daily basis.

  • Which is the best airline for flights from Kansas City to Seattle, Southwest or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from Kansas City to Seattle are Southwest and Alaska Airlines. With an average price for the route of $360 and an overall rating of 8.0, Southwest is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $393 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Kansas City to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kansas City to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kansas City to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Kansas City is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Kansas City to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Kansas City with another airline. Booking your flights between Kansas City and SEA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kansas City to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Kansas City up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Kansas City to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for $228 or less one-way and $417 or less round-trip.
  • To ease the kinks out of your neck, back, and legs once you arrive at the Seattle-Tacoma International Airport (SEA), consider visiting the spa terminal getaway on Concourse A, near Gate A5.
  • Kansas City International Airport (MCI) provides animal relief areas outside, at each end of the B and C Terminals. These areas are before security, so make sure your service animal or pet goes before you enter the airport. These grassy strips have plastic bag dispensers and trash cans so that you can pick them up after your pet. Inside the terminal, past security, there is one animal relief area in Terminal C. Passengers on American, Alaska, Frontier, and Spirit all have access to this room.
  • If you would like to stay near MCI before your flight, there are several affordable hotels in the area that offer shuttle service to the airport. Some of these hotels include Candlewood Suites Kansas City Airport, Comfort Inn Kansas City International Airport, and Drury Inn & Suites Kansas City Airport.
  • At MCI, volunteer Airport Ambassadors dressed in brick-red blazers are available throughout the airport to give warm greetings to travelers. They also helpfully answer any questions about transportation, dining, shopping, hotels, and points of interest in the area.
  • Active members of the US military and their family members can visit the USO lounge for some time to regroup after the flight. At the USO, you'll find places to sleep, showers, a free snack bar, travel assistance and information, a big screen TV, internet access, a library, children's toys, games, books, and Xbox games. The USO is on the mezzanine level above Checkpoint 3. This lounge is open on Mondays, Wednesdays, and Saturdays between 8 am and 4 am. On Thursdays, the lounge is open between 8 am and midnight. The lounge is closed Tuesdays, Fridays, and Sundays.

Prefer to fly direct from Kansas City to Seattle?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Kansas City to Seattle/Tacoma Intl.
Find which airlines fly direct from Kansas City Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Kansas City to Seattle/Tacoma Intl

Monday

Alaska Airlines,Delta

Alaska Airlines,Delta

Tuesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Wednesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Thursday

Alaska Airlines,Delta

Alaska Airlines,Delta

Friday

Alaska Airlines,Delta

Alaska Airlines,Delta

Saturday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta

Alaska Airlines,Delta

See more direct flights

Direct returns

Seattle/Tacoma Intl to Kansas City

Monday

Alaska Airlines,Delta

Alaska Airlines,Delta

Tuesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Wednesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Thursday

Alaska Airlines,Delta

Alaska Airlines,Delta

Friday

Alaska Airlines,Delta

Alaska Airlines,Delta

Saturday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta

Alaska Airlines,Delta

See more direct flights

Reviews of the top 5 airlines serving from Kansas City to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Kansas City to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Kansas City to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
Alaska AirlinesOverall score based on 12468 reviews
7.1Food
7.8Comfort
8.5Crew
8.1Boarding
7.0Entertainment
Airline reviews

Flight was delayed and we were left in the plane with planed turned off, took so long to get to destination and luggages were lost. Such a hectic travel

2.0 MediocreAnonymous, Jun 2026
DFW - SEA
Read more Alaska Airlines reviews

Flight was delayed and we were left in the plane with planed turned off, took so long to get to destination and luggages were lost. Such a hectic travel

The flight was delayed out of BIL so many times that I was not able to make my connection. I was rebooked for the next day, losing a full day of my trip. I still have not been compensated as promised.

Flight was delayed, but not be a lot. Crew at the departure gate was friendly. Flight was filled with turbulence, enough to concern my husband. Snacks were delivered to rows in front of us but attendant stopped handing out snacks when she got to our row. Team was efficient but lackadaisical. Usually on board crews are more animated and friendly. No onboard entertainment and no seatback video screens for a six hour flight. Landing was a bit rough. We were told the wrong turnstile for luggage.

2 hour delay. Then some luggage was unloaded at 1baggage claim #7 then without notice the baggage claim was changed to #12. No one informed the passengers they were changing baggage claim turnstile. Several of us waited for 90 minutes after the 1st turnstile stopped and changed to other flights luggage.

Many gate changes in Seattle and mechanical problems on plane which resulted in a new gate change. Both flights, from Seattle to Detroit and Seattle to Eugene resulted in a lot of walking and tram taking.

No negatives. Crew was great, flight was on time and there were no crazy passengers. 🤩

I had ordered breakfast several days prior to the flight. 1) we did not rreceive our breakfast and crew knew nothing about it! We left TPA at 8 a.m. but drink cart did not appear until 10:30 a.m. and did not appear a second time either. Was unaware that Alaskan Air offers no music, flight aware, or movies.

I flew standby with my two children and completely forgot it was Memorial Day weekend. We tried to fly from PDX to YVR. Unfortunately, after four attempts, we gave up and tried SEA instead after the holiday. The ground crew was very helpful, checking us in and accommodating us when we were finally able to get on a flight. The sad part was that they accidentally loaded one of my suitcases on the Vancouver flight without us during one of our attempts to get on a flight, even though it had a standby tag on it. I filed a report with baggage services, and thankfully, it was returned to PDX the following day. AS was in touch with us and updated us on the process of returning the luggage to the USA.

It was efficient and great. DIA took a while to let us leave but other than that it was great.

90 minute delay boarding the plane, 45 minute delay on the terminal, 2 hours late arriving, currently waiting 45 minutes on the tarmac for a gate so we can BEGIN deboarding. Absolute mess. Definitely will be my last flight with Alaska.

Connection flights should be spaced out farther because too close I missed my connection.

Definitely a southern flavor. Cordiality was evident even though no drinks or snacks were served.

On time! There were plenty of airport employees who were able to keep us moving in the right direction. The crew on the plane were professional.

Left /arrived on time. Decent seat space. Like the wifi/plugs and entertainment. Windows and tray table were kinda gross. Attendants didn't start snack service til 40mins before landing. Two rows before us, captain came on to say there's turbulence and recalled staff to seats. So, no drink/snack. Later, attendants didn't stop to see if we had trash nor even look our way. Felt invisible! Almost all pilot announcements were not only unintelligible, but so quiet. We had no idea what she said.

Average seat comfort, a drink and chips were provided, early boarding because we checked a carryon at the gate was nice. Ticket pricing shenanigans, including fees to pick a seat, check a bag, and get food onboard - evidence the industry is reinvigorating last century’s strategies- destroys the experience before one ever arrives at the airport. It’s difficult to recognize any value or sustain loyalty in the end-to-end process making air travel more drudgery than pleasure.

Gate agent was unhelpful for handicapped boarding. Flight attendant seemed untrained.

No service flight that took 5 hrs and a stop at an unscheduled airport. Crew and pilots did their jobs

Clean planes and not take my comfort class seat away.

Weather caused a long delay, but the efficiency and updates from the pilot were helpful. We were able to make our connection fortunately.

Much better than I expected. I had an economy ticket so I was really happy the flight was so comfy and the service so generous. Passengers were all polite too.

Flight delayed two hours , missed connection flight then connection cancelled- horrible experience with hotel

Omg the disaster at the security was on another level! “Go to this end, sorry closed now, go to that end”. Ridiculous! This took over an hour! As far as the airline was concerned although I booked nearly a year ago I couldn’t get my bag tag - stand in another 15 minute line or my seat on Hawaiian Airlines- 5 more minutes! Then my TSA status was denied. Like what the heck! Makes a person not want to travel with this amount of incompetence

The Honolulu Hub needs 2 to 3 times the amount of things to do as well as shuttles that transport to/from gates and terminals. Arriving from OCONUS locations; transferring to CONUS locations its a miserable experience. Fetching and re-checking bags, then returning to a gate across the airport take longer than any other large airport. If youre confused by what I mean, the process goes like this: Disembark plane Walk a mile to the main terminal Walk half a mile to baggage claim Wait 40 minutes for baggage Walk a mile to re-check-in baggage Wait 20 minutes for checking in those bags Fo back through the wrong TSA line because the signage is poor Almost miss the connecting flight because your gate is across the airport.

The checking was disaster, the crew wasn't behave well. It took us two hours to check in, after that thr line at the TSA was long, we barely make the flight. Bad airline

Fabulous if you have a portable wheelchair. They can store it in the galley and you can just walk out with it. Really nice and the flat seats are just incredible, very nice. iPads for movies, also pretty nice,

The crew were exceptionally nice and accommodating. My wife was tired after the flight from Haneda, Tokyo. They let her sleep and served her dinner later after she woke up, before we landed in PDX.

No charging outlets worked. Other than collecting trash attendants didn’t come around. No one could hear flight attendants announcements during the flight. Seat pads were horrible. Sitting on a board for 5 hours. What happened to Hawaiian airlines comfort, hospitality, and extras? Our pilots did an excellent job trying to minimize turbulence and incredible job in landing in windy conditions.

I like that if they asked you to checked in a bag at the gate they give you priority to board

Horrible food and crew. Crew were laughing and talking loud while people were trying to sleep

Yall need to integrate your system with Alaska more efficiently. They booted me off the first flight because of a discrepancy on your end.

Everything went as planned. The only issue I had was with the gate C31 attendant. The person could barely speak English and was very difficult to understand.

The flight took off an hour late which made the connection concerning

The flight from LA to Chicago was smooth and service was very good overall.

The flight from Dallas to Tokyo was not on Japan Airlines. It was on American Airlines. Very disappointed that we did not fly on Japan Airlines. Will not be using you liars again. I’ll just book direct from the airline next time. Wish you could make this right and has us fly on Japan Air when heading back home to the US.

The Mario was so helpful and provided amazing customer service however l have being waiting for a callback for almost a week now and have not heard anything further after l informed them l wanted to change my date of traveling because of my hospital appointment even send them proof and l was unable to use manag your booking on their website is a bit frustrating and l would appreciate an update on My request as soon as possible. And have called them times without numbers no response

They made nearly everyone check their bag because the overhead bins are way too small. Extremely inconvenient

Was put into a seat right behind the toilet that had no entertainment possible but did have plenty of leg room over noisy part of plane.

Movies on my phone are great. It would be nice to have a gluten free snack option.

It was what i expected. I like the movies you can access from your phone. It would be nice if there was a gluten free snack offered. But I did bring my own snack knowing there would not be a gluten free option

The flight was peaceful, just s slight turbulence, pilots and crews were all nice and made a great job! Arrived safely in the Philippines. Thank you ya’ll!

There weren't enough employees at check in took awhile to get bags checked. There wasn't a wheel chair for me, I was sent to someone who turns out to work for a different airline, if My flight hadn't been delayed I probably would have missed my flight as it was, by the time I arrived at my gate, they started boarding in about 15 minutes. I don't know who took me to my gate, definitely was not the normal people who take passengers to the gate. I'm guessing she may have been in a management position. I wish I knew her name, she went beyond to help me. With that said everyone was kind, and were doing the best they could. So, I choose to say it was an Adventure, stressful start, but good. In the end went well. The situation was not only difficult for passengers but the employee's.

The staff at the check in counter was so rude. Made you feel Incompetent

Frontier scheduled a 40 minute connection in DEN. What they failed to mention was that they “close the doors” 20 mins prior to departure, which means you only have 20 mins. Not enough time. Possibly against DOT regulations. Filing complaint.

Flight was scheduled at 9:40pm. Got delayed to 10 am, the next day. crazy

The bag check, flight check-in, and onboard experience convinced my wife and me that we will actively go out of our way to avoid flying Frontier Airlines in the future. At bag check, we were informed that check-in could only be completed via the Frontier mobile app. Unfortunately, the app was extremely frustrating—sending us through repetitive, confusing loops that repeatedly forced us to decline add-on services with nearly every click. While most airline apps upsell, this one felt intentionally exhausting. As the process dragged on, we became genuinely concerned that my phone battery would die before check-in could be completed. We approached the bag check staff—who were standing together talking—and explained both our frustration and our predicament. They laughed. Later, my wife described the interaction as “gaslighting,” which felt accurate. We were then informed it would cost $25 per person simply to have our boarding passes printed. From that point forward, the tone of the experience was consistently hostile. The bag check employees were condescending and combative, behaving more like bullies than customer service staff. Unfortunately, that same attitude continued onboard. One flight attendant argued with me when I attempted to stow my backpack in the overhead bin. I explained that we had each paid $75 to check our bags specifically so we would not need to use carry-on space and could have adequate legroom. She demanded to see my ticket, pointed out that it said “no carry-on”—which I acknowledged—and I reiterated that this was precisely why we paid to check our bags. Her response was, “I don’t make the rules.” She then walked away, but not before asking if I “truly wanted to fly back to Chicago today?”—an unnecessary and unmistakable threat. It is also worth noting that despite booking our tickets together in the same transaction, we were not seated together. Upon our return to Chicago—where we could once again sit together—we compared onboard experiences. We both remarked on how unhappy the flight attendants appeared and how each of us was separately asked whether we would like to purchase a beverage. We declined. At no point was water mentioned as an option, leaving us with the clear impression that even water came at a cost—or that complimentary water, if available at all, was deliberately left unmentioned. Overall, the experience was shocking and deeply disappointing, but it was also a profound learning experience—one we will not forget and will not repeat. -Steve

Plane was hot and miserable and the crew was rude!

12 hour delay required getting on and off plane 3 times - would have at least liked to have been offered a snack or drink

They didn’t offer a water, even after I asked

They switched our terminal 3 times and we were delayed for four plus hours!!!

It was an early flight and most people napped/slept and the crew let us which was nice.

Everything you need to know for your flight from Kansas City to Seattle

Information on your arrival and departure airports