BIL - SEA

$84 Find Cheap Flights from Billings 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 Billings to Seattle departing on 2/24. 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 Billings 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 Billings to Seattle, as well as popular online travel agencies
Travelers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$157
Overall average: $242
Alaska Airlines
Sat 2/14Wed 2/18
BIL - SEA • Non-stop
Cheapest one-way
$84
Typical prices: $229-$328
Delta
Tue 2/24
BIL - SEA • 1 stop
Top airlines
Alaska Airlines
Cheapest • from $157 (round-trip)
Alaska Airlines
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 58% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 24% price drop
June
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 Billings to Seattle (BIL-SEA)

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

Sat, Feb 14 - Wed, Feb 18
Alaska Airlines Logo
7:00 am - 8:17 am
BIL
-
SEA
2h 17mnonstop
Alaska Airlines Logo
8:45 pm - 11:38 pm
SEA
-
BIL
1h 53mnonstop
$157Alaska Airlines
Tue, Jan 6 - Sun, Jan 11
Alaska Airlines Logo
6:00 am - 7:18 am
BIL
-
SEA
2h 18mnonstop
Alaska Airlines Logo
8:42 pm - 11:36 pm
SEA
-
BIL
1h 54mnonstop
$167Alaska Airlines
Sat, Feb 14 - Wed, Feb 18
Alaska Airlines Logo
3:32 pm - 9:01 pm
BIL
-
SEA
6h 29m1 stop
Alaska Airlines Logo
7:45 am - 1:24 pm
SEA
-
BIL
4h 39m1 stop
$176Alaska Airlines
Tue, Jan 6 - Fri, Jan 9
Delta Logo
5:15 am - 9:25 am
BIL
-
SEA
5h 10m1 stop
Delta Logo
5:25 am - 11:06 am
SEA
-
BIL
4h 41m1 stop
$177Delta
Sat, Feb 14 - Wed, Feb 18
Alaska Airlines Logo
2:04 pm - 3:17 pm
BIL
-
SEA
2h 13mnonstop
Alaska Airlines Logo
7:45 am - 1:24 pm
SEA
-
BIL
4h 39m1 stop
$187Alaska Airlines
Wed, Jan 7 - Wed, Jan 7
Alaska Airlines Logo
3:35 pm - 4:51 pm
BIL
-
SEA
2h 16mnonstop
Alaska Airlines Logo
8:42 pm - 11:36 pm
SEA
-
BIL
1h 54mnonstop
$191Alaska Airlines
Tue, Jan 6 - Wed, Jan 7
Alaska Airlines Logo
6:00 am - 7:18 am
BIL
-
SEA
2h 18mnonstop
Alaska Airlines Logo
8:42 pm - 11:36 pm
SEA
-
BIL
1h 54mnonstop
$197Alaska Airlines
Thu, Jan 8 - Thu, Jan 8
Alaska Airlines Logo
3:35 pm - 6:43 pm
BIL
-
SEA
4h 08m1 stop
Alaska Airlines Logo
8:42 pm - 11:36 pm
SEA
-
BIL
1h 54mnonstop
$201Alaska Airlines
Tue, Jan 6 - Mon, Jan 12
Alaska Airlines Logo
6:00 am - 7:18 am
BIL
-
SEA
2h 18mnonstop
Alaska Airlines Logo
11:59 am - 2:55 pm
SEA
-
BIL
1h 56mnonstop
$203Alaska Airlines
Mon, Jan 5 - Wed, Jan 7
Alaska Airlines Logo
6:00 am - 7:18 am
BIL
-
SEA
2h 18mnonstop
Alaska Airlines Logo
8:42 pm - 11:36 pm
SEA
-
BIL
1h 54mnonstop
$207Alaska Airlines
Booking Insights

KAYAK's insights & trends for Billings to Seattle flights

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

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

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

If your flying dates are flexible, you should consider flying to Seattle on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from Billings to Seattle. For your return ticket, we recommend flying on a Wednesday and avoiding Mondays for the best deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Billings 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 Billings to Seattle is January, where tickets cost $237 (return) on average. On the other hand, the most expensive months are December and October, where the average cost of round-trip tickets is $437 and $358 respectively.

How far in advance should I book a flight from Billings 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 Billings 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 Billings to Seattle, you should book around 5 weeks before departure, which saves you about 58% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$84
Best time to beat the crowds with an average 24% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from Billings to Seattle

When to book flights from Billings to Seattle

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

  • What is the cheapest flight from Billings to Seattle?

    In the last 3 days, the lowest price for a flight from Billings to Seattle was $84 for a one-way ticket and $157 for a round-trip.

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

    No

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

    When flying out of Billings you will be using Billings Logan Intl. You will be landing at Seattle, also known as Seattle/Tacoma Intl.

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

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

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

    The Embraer 175 is the aircraft model that flies most regularly on the Billings to Seattle flight route.

  • Which airline alliances offer flights from Billings to Seattle?

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

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

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

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

    The two airlines most popular with KAYAK users for flights from Billings to Seattle are Alaska Airlines and Delta. With an average price for the route of $319 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $256 and an overall rating of 7.9.

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

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Billings 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 Billings 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 Billings with another airline. Booking your flights between Billings 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 Billings 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 Billings 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 Billings to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for $289 or less one-way and $411 or less round-trip.

Prefer to fly direct from Billings to Seattle?

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

Direct departures

Billings Logan Intl to Seattle/Tacoma Intl

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

Direct returns

Seattle/Tacoma Intl to Billings Logan Intl

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

Reviews of the top 3 airlines serving from Billings to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Billings 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 Billings 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 11429 reviews
8.5Crew
7.8Comfort
7.1Food
8.1Boarding
7.0Entertainment
Airline reviews

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!

4.0 OkayAnonymous, Dec 2025
FAI - SEA
Read more Alaska Airlines reviews

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.

Larger seats and more room would elevate the experience. Otherwise, it was good!

The rice pudding was terrible. The bread with the hummus was fair. The ravioli was okay. The snacks were great. The two delays were not pleasant. In the beginning I understand, but on arrival we sat for about 30 minutes before getting at the gate.

We appreciated that the flight attendant came through 3 times with drinks or water on the long flight..I was also glad that they were separating out recycling! I would have liked a 12oz sofa can instead of 7oz, but that's a minor quibble. The knee space in economy was also better than most of Alaska's competitors.

No beverages were served on the flight to Vegas as there was turbulence. It was actually one the smoothest flights that I have ever been on. My return flight home I upgraded my seat for $87 and the crew came through the cabin and served every row except mine drinks... I was waiting for them to come back and they never did. I most likely would never fly Alaska again. It was my first time and I've had better service on Frontier... Might as well pay less for my flight and still get to purchase something to drink than pay more and get passed over.

Leg and arm room are horrible. I am not a big person and found it tight.

It was good except there was a loud rattle from the window on aisle 10 DEF,

Had no way to see what gate came in on or what gate connecting flight would take off.

Lady Pilot was perfect in every way wheels up to wheels down communication, professionalism, excellent on time departure and on time arrival, excellent communication! Fantastic job with Superb attitude!!

The food is terrible. The staff is wonderful. Comfort is good.

Left on time, a bit delayed due to headwinds most of the trip.

I fly Delta all the time, have Platinum Medallion status. But this route seems to have major problems with delays and seems to never leave on time! Have only taken it twice in the last two weeks, and each time it had delays of more than 1 hour... very disappointed!!!!

Good seats in Main cabin, excellent service and excellent landing

My flight was cancelled with no explanation after I had already cleared security. I was given 4 options to rebook, only one being non-stop like I had paid for. I grabbed it. It was 4 plus hours later and then took off even later. Biggest complaint is that I booked early and had an aisle seat. They gave me a "window" seat in front of the exit row, so the seat did not decline. I weigh all of 103 #s and it was tight for me! For what I paid, I feel I was kind of ripped off. I think they should have given me the empty comfort seat for the inconvenience. There was no apology nor any explanation as to why the flight was cancelled. My guess is it benefitted Delta in some way.

Very smooth, on-time, and pleasantly uneventful flight. The team at the gate and on board were professional and genuinely courteous. The pilot kept us well updated throughout, and both takeoff and landing were steady and enjoyable without any drama. Just a good, solid flight. Thank you! 💗

Staff was exceptional! Everyone was kind, professional and friendly making the trip very pleasant. Thank you!

No lunch on a x-country flight scheduled for 10:50 am departure, arrived 5+ hrs later. That requires a black box label before you pay for the tickets. Worst, when I checked in online, it's specifically said that lunch was served on his flight for economy Plus passengers.

We had a lot of really rough weather but that was not Delta's fault. Pilot was amazing.

Unfortunately, I was put into the middle seat in the first row of premium seating. Sounds nice right? No! that is the worst seat in the plane. I wish I was in economy rather than be in that seat! There is no seat back pocket, no tray table, no charger. Nothing! so unless you're row mates are willing to let you share their basic amenities any flyer should have, you are stuck. It was the worst experience ever! And the flight attendant forgot to take my drink order. I felt like the forgotten flyer.

Delayed and cancelled flights were hard and very stressful, both ways!

The crew was quite good, they came by often with drinks or to collect trash. But what wasn't nice was the flight was over weigh and several people had to be rebooked. I was questioned whether I should have a seat when I was getting to it. The in-flight entertainment kept buffering and interrupting. And the route took the airplane through high winds which caused us a longer flight

Wasn’t on the flight due to Alaska cancellation…also after all the rerouting, I was going to be on a later flight that left SFO at 7:47pm, which meant an almost 6 hour layover. That same Hawaiian flight was delayed for another 2hours.

I had to cancel the flight because with a 3 hour delay for 'unexpected maintenance' in getting to LAX, I couldn't connect to an overseas flight that I had booked on Scandinavian Air.

The flight was CANCELED!!! Can’t get much more “poor” than that. I had to switch to American Airlines, add another layover and got home in Honolulu 4 hours later than I was supposed to be home. One bright spot was Josh with Alaska Airlines at SFO. He got me on a United Flight that got me home a few hours before I would have. Without him I would have gotten home almost 7 hours after my originally scheduled flight.

Canceled my flight within 24 hours, causing me arriving home midnight. Will never book Hawaiian airlines anymore

I like Hawaiian, it was great that they had good internet connection across the Pacific Ocean, thanks to Star Link satellites. The seating was comfortable, ( I was in economy ). Maybe I missed it, but I only got offered a beverage once. It was a nonstop flight KOA to SMF. I would take it again next time I go that way.

I always love flying Hawaii and I have nothing to add

Previously flown Hawaiian Airlines on similar routes, I found Alaska Airlines to be noticeably more comfortable. The seats on Alaska Airlines provided better support and cushioning, which made a significant difference on the long flight to the islands. When you’re spending 5-6 hours in the air, seat comfort really matters, and Alaska Airlines delivered where it counts. After comparing both carriers, I’ve decided to book with Alaska Airlines for all my future Hawaii trips. The superior seat comfort alone makes it worth choosing Alaska over Hawaiian Airlines. If you’re planning a trip to Hawaii and prioritizing comfort, I’d recommend giving Alaska Airlines a try. You won’t be disappointed. Highly recommended for Hawaii travel!

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

Information on your arrival and departure airports