MLI - SEA

$288 Find Cheap Flights from Moline to Seattle

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Moline to Seattle departing on 1/15. 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 Moline to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Moline to Seattle, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$288
Typical prices: $301-$414
Multiple Airlines
Thu 1/15Thu 1/22
MLI - SEA • 1 stop
Cheapest one-way
$485
Typical prices: $264-$410
American Airlines
Fri 1/2
MLI - SEA • 1 stop
Top airlines
American Airlines
Cheapest • from $309 (round-trip)
Alaska Airlines
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
4 weeks
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 14% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 28% price drop
August
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Moline to Seattle (MLI-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Moline 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 Moline to Seattle

Thu, Jan 15 - Thu, Jan 22
Multiple Airlines Logo
9:26 pm - 9:36 am
MLI
-
SEA
14h 10m1 stop
Multiple Airlines Logo
12:34 pm - 11:46 am
SEA
-
MLI
45h 12m2 stops
$288Multiple Airlines
Thu, Jan 22 - Thu, Jan 29
Multiple Airlines Logo
9:26 pm - 9:36 am
MLI
-
SEA
14h 10m1 stop
Multiple Airlines Logo
12:34 pm - 11:46 am
SEA
-
MLI
45h 12m2 stops
$303Multiple Airlines
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
10:47 am - 4:01 pm
MLI
-
SEA
7h 14m1 stop
United Airlines Logo
12:25 pm - 8:34 pm
SEA
-
MLI
6h 09m1 stop
$309United Airlines
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
10:47 am - 6:26 pm
MLI
-
SEA
9h 39m2 stops
United Airlines Logo
10:58 am - 9:36 pm
SEA
-
MLI
8h 38m1 stop
$314United Airlines
Sat, Jan 17 - Thu, Jan 22
United Airlines Logo
10:47 am - 6:26 pm
MLI
-
SEA
9h 39m2 stops
United Airlines Logo
5:00 am - 4:54 pm
SEA
-
MLI
9h 54m2 stops
$319United Airlines
Fri, Jan 16 - Thu, Jan 22
United Airlines Logo
10:47 am - 4:01 pm
MLI
-
SEA
7h 14m1 stop
United Airlines Logo
7:00 am - 3:09 pm
SEA
-
MLI
6h 09m1 stop
$324United Airlines
Fri, Jan 16 - Wed, Jan 21
American Airlines Logo
11:28 am - 10:20 pm
MLI
-
SEA
12h 52m1 stop
American Airlines Logo
8:04 am - 10:23 pm
SEA
-
MLI
12h 19m1 stop
$325American Airlines
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
10:47 am - 6:26 pm
MLI
-
SEA
9h 39m2 stops
United Airlines Logo
9:00 am - 9:36 pm
SEA
-
MLI
10h 36m2 stops
$327United Airlines
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
10:47 am - 6:27 pm
MLI
-
SEA
9h 40m2 stops
United Airlines Logo
9:00 am - 9:36 pm
SEA
-
MLI
10h 36m2 stops
$331United Airlines
Fri, Jan 16 - Wed, Jan 21
United Airlines Logo
5:29 pm - 10:43 pm
MLI
-
SEA
7h 14m1 stop
United Airlines Logo
9:00 am - 9:36 pm
SEA
-
MLI
10h 36m2 stops
$339United Airlines
Booking Insights

KAYAK's insights & trends for Moline to Seattle flights

Get data-powered insights and trends into flights from Moline 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 Moline 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 Moline to Seattle departing in January.

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

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

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

What is the cheapest month to fly from Moline to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Moline 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 Moline to Seattle is February, where tickets cost $328 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $597 and $563 respectively.

How far in advance should I book a flight from Moline 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 Moline 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 Moline to Seattle, you should book around 4 weeks before departure, which saves you about 14% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$288
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Moline to Seattle

When to book flights from Moline to Seattle

Are your dates flexible? Find out the best times to travel from Moline 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 Moline to Seattle

  • What is the cheapest flight from Moline to Seattle?

    In the last 3 days, the lowest price for a flight from Moline to Seattle was $485 for a one-way ticket and $288 for a round-trip.

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

    No

  • Which airports will I be using when flying from Moline to Seattle?

    Moline airport is called Moline Quad-City and the only airport in Seattle is Seattle/Tacoma Intl.

  • Which aircraft models fly most regularly from Moline to Seattle?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Moline to Seattle?

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

  • Which is the best airline for flights from Moline to Seattle, Alaska Airlines or United Airlines?

    The two airlines most popular with KAYAK users for flights from Moline to Seattle are Alaska Airlines and United Airlines. With an average price for the route of $588 and an overall rating of 8.0, Alaska Airlines is the most popular choice. United Airlines is also a great choice for the route, with an average price of $492 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Moline 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 Moline to Seattle.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Moline 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 Moline 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 Moline with another airline. Booking your flights between Moline 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 Moline 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 Moline up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Moline to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Moline 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 Moline 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.
8.0
Alaska AirlinesOverall score based on 11517 reviews
7.1Food
8.5Crew
7.0Entertainment
7.8Comfort
8.1Boarding
Airline reviews

Didn’t realize we couldn’t actually get the full food menu while on-board. I saw that pre-ordering was available but didn’t realize the impact. Also didn’t know there weren’t entertainment devices on board had to bring your own device which I would’ve preferred to have clarity about ahead of time.

10.0 ExcellentLavenia, Dec 2025
ATL - SEA
Read more Alaska Airlines reviews

Didn’t realize we couldn’t actually get the full food menu while on-board. I saw that pre-ordering was available but didn’t realize the impact. Also didn’t know there weren’t entertainment devices on board had to bring your own device which I would’ve preferred to have clarity about ahead of time.

Flight was on time. Crew was helping & seat were comfortable.

Great airline attendants. However I could not get the entertainment to work on the app

Great …check-in was a little messy but went by quick.

Alaska Airlines has horrible customer service. After sitting in a packed airplane for over an hour, they decided to cancel our flight and had us deplane. Instead of helping us nearby, we had to ride two trains (in Seattle Airport), from the S-Gates to the C-Gates; only to stand in a line for 3 and a half hours. Throughout the 3 hours, there was often 1 agent at the customer service counter to help the passengers trying to get information and accommodation on a flight that they cancelled. Do better!

There was no food or entertainment. I was in the middle seat which was uncomfortable. The flight and crew were fine.

Service was excellent and the fact that I didn’t have to request to sit next to my kids when there were no seats next to each other was amazing. Love how Alaska anticipated the seat arrangements. One feature that would take the flight from good to amazing would be to have a screen available with headphones with games and movies, but the kids loved the little boxes and were entertaining with the game—it also helped them get away from too much screen time.

The staff was friendly and the flight ran on time. Boarding was a zoo. This process could be greatly improved. They have done away with the entertainment they used to offer in favor a wifi signal for our phones and that wasn't working in half the flights. The beverage selection is poor and the quantity was minimal. I'm sure when the airlines can come up with something cheaper to serve than pretzels they they will switch to it. If their budget is that tight what else are they skimping on? (Maintenance, fuel, safety) Over all I'm underwhelmed!

Why is a fanny pack considered a third carry on? This shouldn't be regulated at the gate

1. Denial of Basic Needs (SEA): Upon arrival in Seattle, the wheelchair attendant refused my urgent request to use the restroom, insisting on scanning documents first. She eventually took me to a restroom but then abandoned me and my autistic son at an unstaffed, deserted gate for over four hours. When I called the accommodation line for help, I was told to "get someone's attention," which was impossible. My son, traumatized by the prospect of me yelling for help, was forced to wander the terminal to find assistance. 2. Revocation of Accommodations & Threats: At the gate, an agent stated I had no accommodations on file, despite my previous leg having them. When I showed the app (where my bulkhead seat was erased and replaced with Row 14), he denied the evidence. When I attempted to advocate for my immobilized leg, he threatened to "yank me from the flight" if I said one more word. He coerced me into agreeing that I was "asking for accommodations for the first time" before he would allow assistance, effectively forcing me to falsify the situation under duress. I complied only out of fear of being stranded in a strange city. 3. On-Board Negligence and Injury: Because my bulkhead seat was revoked, I was forced into Row 14. With my leg immobilized and unable to bend, it extended into the aisle. During boarding and the flight: 16 different passengers tripped over my injured leg. 6 rolled luggage bags were pulled over my injured leg. The Flight Attendant (FA) was one of the people who tripped and drove luggage over me. I reported the issue to the FA after 10 trips and 3 luggage impacts. He ignored me. He only addressed me later to ask me to move my immobilized leg for beverage service. I informed him again: "16 people have tripped, 6 luggage runovers, I cannot bend it." He provided no medical aid and no incident report. 4. Resolution and Trauma: Eventually, a different employee noticed my distress and my original paper boarding pass showing the correct bulkhead assignment. He asked me to move up. I broke down in tears, terrified that moving would cause the gate agent to remove me from the plane as threatened. We were eventually moved to the bulkhead, but the damage was done. My autistic son was traumatized by watching his mother be trampled and threatened. 5. Post-Flight: I called to report these injuries, but was disconnected after a 45-minute hold. I require a formal record of this injury and these violations.

I liked the snacks and the flight attendants were friendly.

After a delay at the gate, C3, at Ohare on Sunday, I left my Blk ski coat on the bench at the gate, lost! Please review my lob claim, thx.

Very thoughtful flight attendant offered me water immediately since I had run to make my connection.

Always wish for more healthy, gluten free options. We have to bring our own.

Having a long layover, I was very appreciative of the ability to stand by for an earlier flight. Other airlines like Delta have refused this to me in the past, just to be mean (because my ticket class wasn't high enough). United went out of their way to help me get to my destination early, which I really appreciated given that it was the third leg of a 24+ hour journey for me.

Other than a way way too cold cabinets for the entire flight, all was great

One bag is incorrect and not acceptable for an international flight. The food was not just good. I won't fly with them again.

Excellent flight. Smooth, efficient boarding. Quick flight. Arrived early at STL.

I will never book a flight through Cheap fare. They booked me from Portland Main . And would not give me a refund, so I bought 2 tickets one for 299. From Portland Main to ORD. Then I had to buy a ticket from Oregon PDX to ORD that was another 440. So Just so you know they even told me it was there fault but no refund. Bad bussniess. I did inform United but they said they couldn't help me due to the fact I booked through Cheap Tickets. Never again. And I'm spreding the word. I let everyone know at my 50th class reunion

Crew and customer service were excellent. This flight also had plenty of leg room and seat mounted screens for entertainment. A very pleasant flight all around!

The boarding by groups is pointless. The first two groups worked fine, but almost Noone boarded in goups three thru five leaving the vast majority boarding when group six was called. It defeated the purpose of spreading out the crowd.

We loved the steward on the plane. He made the night enjoyable

Flight was delayed because of a bird strike. They had another plane available within 45 minutes.

The plane was late, when we did board the plane was as cold as a freezer. I was freezing the entire flight, no blankets. Lost miserable flight I’ve ever had.

3 hour weather delay followed by 1 hour (and counting) maintenance delay. UGH!

After we'd boarded , they canceled the flight. The crew didn't even know , we just all received text messages. Then after they deplaned us , AA was just like "too bad, go F your self, we sure ain't gonna help you"

After a two hour delay, my flight was CANCELLED! No pilot available. Such BS.

Amazing food, great staff, with one noticable detail missing ...but no seat entertainment in any of aircraft ...I am not a fan

I wish American Airlines would change the airline industry by loading the plane back to front instead of front to back. Planes would board so much more smoothly and quickly.

I have long legs, my foot was out in the aisle and when a flight attendant came walking by and I didn't notice, instead of saying "excuse me" or anything like that, she kicked my foot. Extremely rude

Everything you need to know for your flight from Moline to Seattle

Information on your arrival and departure airports