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$109+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SEA
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
1 adult, Economy
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Cheapflights Tip: The best prices from Billings Logan Intl to Seattle/Tacoma Intl are usually found in January or February, booked 90 days in advance, depart on a Thursday or Friday and return on a Tuesday

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 March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Alaska Airlines)

One-way from

$119
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$324

Good round-trip deal

$343 or less

Good one-way deal

$164 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. 3% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 27, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/26. 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.
Sun 4/207:45 amBIL - SEA
Nonstop2h 12mAlaska Airlines
Sun 4/208:31 pmSEA - BIL
Nonstop1h 48mAlaska Airlines
Deal found 3/26$217
This Delta deal was found by Cheapflights users on 3/25. 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.
Sun 5/115:59 pmBIL - SEA
1 stop7h 00mDelta
Wed 5/215:30 amSEA - BIL
1 stop4h 20mDelta
Deal found 3/25$227
This Hawaiian Airlines deal was found by Cheapflights users on 3/26. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/306:00 amBIL - SEA
Nonstop2h 08mHawaiian Airlines
Tue 9/212:03 pmSEA - BIL
Nonstop2h 00mHawaiian Airlines
Deal found 3/26$238
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/510:00 amBIL - SEA
1 stop26h 35mMultiple Airlines
Fri 5/96:00 amSEA - BIL
1 stop7h 00mMultiple Airlines
Deal found 3/26$250
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/304:16 pmBIL - SEA
1 stop5h 56mUnited Airlines
Tue 9/23:51 pmSEA - BIL
1 stop5h 48mUnited Airlines
Deal found 3/26$300
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/285:00 amBIL - SEA
1 stop6h 55mAmerican Airlines
Thu 4/33:00 pmSEA - BIL
1 stop6h 31mAmerican Airlines
Deal found 3/26$965

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 March 27, 2025.
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

Wed 4/16

1:22 pm-2:31 pm

Nonstop2h 09m

Seattle/Tacoma Intl

Sat 4/19

9:50 am-12:42 pm

Nonstop1h 52m

$207

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Wed 4/16

7:45 am-8:57 am

Nonstop2h 12m

Seattle/Tacoma Intl

Sat 4/19

8:56 am-2:15 pm

1 stop4h 19m

$217

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Wed 4/16

6:26 pm-12:02 am

1 stop6h 36m

Seattle/Tacoma Intl

Sat 4/19

5:30 am-10:53 am

1 stop4h 23m

$227

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Mon 5/5

10:00 am-11:35 am

1 stop26h 35m

Seattle/Tacoma Intl

Fri 5/9

6:00 am-2:00 pm

1 stop7h 00m

$250

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Tue 4/22

5:00 am-2:18 pm

2 stops10h 18m

Seattle/Tacoma Intl

Tue 4/29

5:14 am-1:18 pm

1 stop7h 04m

$252

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Fri 5/9

1:58 pm-12:45 am

1 stop11h 47m

Seattle/Tacoma Intl

Thu 5/15

1:10 am-1:28 pm

1 stop11h 18m

$714

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Sun 4/20

7:45 am-8:57 am

Nonstop2h 12m

$109

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Sat 8/30

7:18 pm-8:29 pm

Nonstop2h 11m

$120

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Wed 4/23

5:00 am-2:18 pm

2 stops10h 18m

$129

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Sun 4/20

5:20 am-9:20 am

1 stop5h 00m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 2025.

To ensure you get the cheapest price possible for a flight from Billings to Seattle, you should look to book at least 90 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, January is the cheapest month in which you can book a flight from Billings to Seattle (average of $238). Flying from Billings to Seattle in July is currently the most expensive (average of $411). 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 March 27, 2025.

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 morning tend to be the most expensive. A flight at noon could potentially save you up to 22% 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 March 23, 2025.

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

Weekly flight availability from Billings to Seattle

Explore weekly flight availability from Billings to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 27, 2025.

The most flights from BIL to SEA are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 March 27, 2025.
Read through reviews of airlines operating flights from Billings to Seattle, such as Alaska Airlines, Delta and Hawaiian Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,792 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,895 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,334 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 06m on average. When it comes time to book airfare, you have a few options: there are 8 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 26 times in the past calendar month.

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

    Flying on Alaska Airlines is currently your cheapest option to Seattle, with prices starting at $217. Additional round-trip tickets that might be worth considering are offered by Delta and Hawaiian Airlines, with the lowest prices starting at $227 and $238, respectively. Alaska Airlines is currently priced 29% 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 $119 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $129 and United Airlines from $164 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 British Airways (87%), Qatar Airways (85%) or Alaska Airlines (85%) 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 $746 for a flight from Billings to Seattle. The cheapest flight overall is $98 while the most popular route, (Billings Logan Intl - Seattle/Tacoma Intl) is currently priced at $207.

  • 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, January is the cheapest month in which you can book a flight from Billings to Seattle (average of $238). Flying from Billings to Seattle in July is currently the most expensive (average of $411). 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 Billings?

Book flights to Billings if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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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 March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$187Average$311FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$286FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$238Average$398FlexibilityNo cancel feeOn-time85%
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