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$94+ Cheap flights from Billings to Seattle (BIL - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SEA
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Billings Logan Intl to Seattle/Tacoma Intl are usually found in February or September, booked 32 days in advance, depart on a Friday or Saturday and return on a Wednesday

Cheap flight deals from Billings to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 7, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$136
(Kiwi.com)

One-way from

$94
(United Airlines)

Popular in

July

Cheapest in

February

Average price

$292

Good round-trip deal

$348 or less

Good one-way deal

$217 or less
Provider with most accurate pricing for Billings Logan Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Billings Logan Intl-Seattle/Tacoma Intl flights.
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From Billings Logan Intl to Seattle/Tacoma Intl
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One-way flight from Billings Logan Intl to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 7% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Billings Logan Intl to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Billings Logan Intl to Seattle/Tacoma Intl.
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Find flight deals from Billings to Seattle

Cheapest flights from Billings to Seattle
Explore the most affordable flight options available from Billings to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/273:35 pmBIL - SEA
Nonstop2h 16mAlaska Airlines
Sat 1/318:42 pmSEA - BIL
Nonstop1h 54mAlaska Airlines
Deal found 1/6$136
This Alaska Airlines deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/317:00 amBIL - SEA
Nonstop2h 19mAlaska Airlines
Sat 2/78:42 pmSEA - BIL
Nonstop1h 54mAlaska Airlines
Deal found 1/7$137
This Delta deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2711:47 amBIL - SEA
1 stop6h 08mDelta
Sat 1/315:00 amSEA - BIL
1 stop5h 06mDelta
Deal found 1/6$147
This Alaska Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/307:00 amBIL - SEA
Nonstop2h 19mAlaska Airlines
Sun 2/18:42 pmSEA - BIL
Nonstop1h 54mAlaska Airlines
Deal found 1/6$157
This Delta deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/66:15 pmBIL - SEA
1 stop6h 54mDelta
Sun 2/85:00 amSEA - BIL
1 stop5h 03mDelta
Deal found 1/7$167
This Alaska Airlines deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/302:02 pmBIL - SEA
Nonstop2h 16mAlaska Airlines
Mon 2/211:59 amSEA - BIL
Nonstop1h 56mAlaska Airlines
Deal found 1/5$177
This Alaska Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/147:00 amBIL - SEA
Nonstop2h 17mAlaska Airlines
Wed 2/187:45 amSEA - BIL
1 stop4h 39mAlaska Airlines
Deal found 1/6$180
This Alaska Airlines deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/113:32 pmBIL - SEA
1 stop7h 46mAlaska Airlines
Tue 3/1711:56 amSEA - BIL
Nonstop1h 56mAlaska Airlines
Deal found 1/7$190
This Delta deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:10 pmBIL - SEA
1 stop6h 59mDelta
Sun 2/15:00 amSEA - BIL
1 stop5h 03mDelta
Deal found 1/6$192
This Delta deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/315:15 amBIL - SEA
1 stop5h 02mDelta
Sat 2/75:00 amSEA - BIL
1 stop5h 03mDelta
Deal found 1/6$197

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 7, 2026.
Use the filters below to find and compare flights from Billings to Seattle that are best for you.

Fly from

Billings

Fly to

Seattle

Route

Depart

Return

Price

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Sat 1/31

2:02 pm-3:18 pm

Nonstop2h 16m

Seattle/Tacoma Intl

Sat 2/7

8:42 pm-11:36 pm

Nonstop1h 54m

$137

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Tue 1/27

11:47 am-4:55 pm

1 stop6h 08m

Seattle/Tacoma Intl

Sat 1/31

5:00 am-11:06 am

1 stop5h 06m

$147

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Wed 2/4

11:50 am-4:55 pm

1 stop6h 05m

Seattle/Tacoma Intl

Wed 2/11

12:00 pm-7:24 pm

1 stop6h 24m

$147

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Sat 1/31

5:15 am-9:17 am

1 stop5h 02m

Seattle/Tacoma Intl

Sat 2/7

5:00 am-11:03 am

1 stop5h 03m

$147

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Thu 2/12

2:04 pm-3:17 pm

Nonstop2h 13m

Seattle/Tacoma Intl

Thu 2/19

8:45 pm-11:38 pm

Nonstop1h 53m

$167

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Fri 1/30

7:00 am-8:19 am

Nonstop2h 19m

Seattle/Tacoma Intl

Mon 2/2

11:59 am-2:55 pm

Nonstop1h 56m

$167

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Sat 2/14

2:04 pm-3:17 pm

Nonstop2h 13m

Seattle/Tacoma Intl

Wed 2/18

7:45 am-1:24 pm

1 stop4h 39m

$180

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Fri 1/30

3:35 pm-6:43 pm

1 stop4h 08m

Seattle/Tacoma Intl

Sun 2/1

8:42 pm-11:36 pm

Nonstop1h 54m

$187

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Sat 5/2

5:00 am-9:59 am

1 stop5h 59m

$94

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Sat 2/28

5:10 am-9:45 am

1 stop5h 35m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 15 results
1
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Compare providers for flights from Billings to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billings to Seattle in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Billings-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Billings-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Billings-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Billings-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Billings to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Billings with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

How far ahead should I book a flight from Billings to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Billings to Seattle. Price data was last updated on January 2, 2026.

To ensure you get the cheapest price possible for a flight from Billings to Seattle, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Billings to Seattle?

Currently, December is the cheapest month in which you can book a flight from Billings to Seattle (average of $138). Flying from Billings to Seattle in July is currently the most expensive (average of $248). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BIL to SEA?

Find hourly flight availability from Billings to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 7, 2026.

One of the essential ways to save on airfare from Billings to Seattle is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 56% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Billings to Seattle. Price data was last updated on January 3, 2026.

Travelers seeking maximum savings on their Billings to Seattle flight should consider departing on Monday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Billings to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated January 7, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian Airlines from Billings to Seattle by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,658 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,658 reviews
Alaska Airlines
8.0
Very good
11,658 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Delta
7.9
Good
8,021 reviews
Alaska Airlines
8.0
Very good
11,658 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,824 reviews
Alaska Airlines
8.0
Very good
11,658 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from Billings to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Billings to Seattle?

    To fly from Billings to Seattle, you need to book a flight from Billings Logan Intl (BIL) to Seattle/Tacoma Intl (SEA). Nonstop flights to Seattle/Tacoma Intl from Billings Logan Intl take 2h 13m on average. When it comes time to book airfare, you have a few options: there are 3 outbound flights from Billings Logan Intl to Seattle/Tacoma Intl offered by 3 different airlines.

  • How popular is this Billings to Seattle flight route?

    Flights from Billings Logan Intl to Seattle/Tacoma Intl have been viewed 19 times in the past calendar month.

  • How long is the flight from Billings to Seattle?

    For as low as $137, Alaska Airlines can have you in Seattle from Billings in 2h 16m. Billings and Seattle are separated by a distance of 662 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Billings to Seattle round-trip?

    Flying on Hawaiian Airlines is currently your cheapest option to Seattle, with prices starting at $177. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Delta, with the lowest prices starting at $187 and $189, respectively. Hawaiian Airlines is currently priced 42% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Billings to Seattle one-way?

    One-way options have recently been found by users for as low as $98 on Alaska Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from $113 and United Airlines from $128 one-way.

  • What are the most reliable airlines from Billings to Seattle?

    No one likes to see their flight delayed. When booking a flight from Billings to Seattle consider choosing Hawaiian Airlines (86%), Alaska Airlines (83%) or Horizon Air (83%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Billings to Seattle?

    On average you can expect to pay $1,046 for a flight from Billings to Seattle. The cheapest flight overall is $130 while the most popular route, (Billings Logan Intl - Seattle/Tacoma Intl) is currently priced at $147.

  • Can I find deals for flights from Billings to Seattle that include hotel bookings?

    Yes. In addition to deals on Billings to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to Seattle.

  • Can I find deals for business class flights from Billings to Seattle?

    Yes. Cheapflights offers flight deals from Billings to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Billings to Seattle?

    Currently, December is the cheapest month in which you can book a flight from Billings to Seattle (average of $138). Flying from Billings to Seattle in July is currently the most expensive (average of $248). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Marysville
Fife
Aberdeen
Shoreline
Centralia
Federal Way
Chehalis
Tumwater

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Billings to Seattle

Discover the top 3 airlines that operate flights from Billings to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$177Average$328FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$186Average$320FlexibilityNo cancel feeOn-time75%
DeltaCheapest$189Average$256FlexibilityNo cancel feeOn-timeN/A

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