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$99+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SEA
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 60 days in advance, depart on a Wednesday or Thursday 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 septiembre 11, 2025.

Round-trip from

$177
(Alaska Airlines)

One-way from

$99
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$298

Good round-trip deal

$284 or less

Good one-way deal

$153 or less
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. 4% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
mié. 10/16:00 amBIL - SEA
Nonstop2h 08mAlaska Airlines
mié. 10/83:42 pmSEA - BIL
Nonstop1h 53mAlaska Airlines
Deal found 9/10$177
This Hawaiian Airlines deal was found by Cheapflights users on 9/10. 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.
mié. 10/13:43 pmBIL - SEA
1 stop6h 53mHawaiian Airlines
mié. 10/812:05 pmSEA - BIL
Nonstop1h 59mHawaiian Airlines
Deal found 9/10$187
This Hawaiian Airlines deal was found by Cheapflights users on 9/11. 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.
sáb. 10/117:15 pmBIL - SEA
Nonstop2h 20mHawaiian Airlines
lun. 10/2712:06 pmSEA - BIL
Nonstop1h 54mHawaiian Airlines
Deal found 9/11$197
This Hawaiian Airlines deal was found by Cheapflights users on 9/11. 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.
vie. 10/37:18 pmBIL - SEA
Nonstop2h 11mHawaiian Airlines
dom. 10/59:15 pmSEA - BIL
Nonstop1h 53mHawaiian Airlines
Deal found 9/11$217
This Hawaiian Airlines deal was found by Cheapflights users on 9/11. 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.
vie. 10/33:43 pmBIL - SEA
1 stop5h 52mHawaiian Airlines
lun. 10/69:15 pmSEA - BIL
Nonstop1h 53mHawaiian Airlines
Deal found 9/11$227
This United Airlines deal was found by Cheapflights users on 9/10. 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.
mié. 10/85:00 amBIL - SEA
1 stop5h 59mUnited Airlines
mié. 10/153:35 pmSEA - BIL
1 stop6h 11mUnited Airlines
Deal found 9/10$228
This Hawaiian Airlines deal was found by Cheapflights users on 9/9. 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.
mié. 10/81:59 pmBIL - SEA
Nonstop2h 12mHawaiian Airlines
jue. 10/99:15 pmSEA - BIL
Nonstop1h 53mHawaiian Airlines
Deal found 9/9$237
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
vie. 10/33:43 pmBIL - SEA
1 stop4h 02mAlaska Airlines
vie. 10/39:15 pmSEA - BIL
Nonstop1h 56mAlaska Airlines
Deal found 9/10$241
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
sáb. 10/117:15 pmBIL - SEA
Nonstop2h 20mAlaska Airlines
lun. 10/277:40 pmSEA - BIL
1 stop16h 40mAlaska Airlines
Deal found 9/11$260
This Delta deal was found by Cheapflights users on 9/9. 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.
sáb. 9/276:19 pmBIL - SEA
1 stop4h 39mDelta
sáb. 10/45:30 amSEA - BIL
1 stop4h 23mDelta
Deal found 9/9$262
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
lun. 10/67:15 pmBIL - SEA
Nonstop2h 20mAlaska Airlines
lun. 10/139:15 pmSEA - BIL
Nonstop1h 53mAlaska Airlines
Deal found 9/10$263

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 septiembre 11, 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

mié. 10/1

6:00 am-7:08 am

Nonstop2h 08m

Seattle/Tacoma Intl

mié. 10/8

9:15 pm-12:08 am

Nonstop1h 53m

$177

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

mié. 10/8

2:30 pm-9:34 pm

1 stop8h 04m

Seattle/Tacoma Intl

jue. 10/9

3:35 pm-10:46 pm

1 stop6h 11m

$197

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

sáb. 10/11

7:15 pm-8:35 pm

Nonstop2h 20m

Seattle/Tacoma Intl

lun. 10/27

12:06 pm-3:00 pm

Nonstop1h 54m

$197

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

vie. 10/3

7:18 pm-8:29 pm

Nonstop2h 11m

Seattle/Tacoma Intl

sáb. 10/18

12:05 pm-3:04 pm

Nonstop1h 59m

$217

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

lun. 10/20

6:15 pm-10:22 pm

1 stop5h 07m

Seattle/Tacoma Intl

mar. 10/21

5:25 am-11:04 am

1 stop4h 39m

$237

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

mié. 10/8

1:59 pm-3:11 pm

Nonstop2h 12m

Seattle/Tacoma Intl

jue. 10/9

9:15 pm-12:08 am

Nonstop1h 53m

$237

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

jue. 2/12

7:40 am-8:59 am

Nonstop2h 19m

Seattle/Tacoma Intl

lun. 2/16

7:55 pm-10:43 pm

Nonstop1h 48m

$248

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

sáb. 10/11

7:15 pm-8:35 pm

Nonstop2h 20m

Seattle/Tacoma Intl

lun. 10/27

11:10 pm-1:20 pm

1 stop13h 10m

$260

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

sáb. 10/11

6:15 pm-10:22 pm

1 stop5h 07m

Seattle/Tacoma Intl

lun. 10/27

5:00 pm-10:25 pm

1 stop4h 25m

$262

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

vie. 10/24

6:25 am-12:58 pm

1 stop7h 33m

Seattle/Tacoma Intl

mié. 10/29

1:35 pm-11:18 pm

1 stop8h 43m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 18 results
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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 August 29, 2025.

To ensure you get the cheapest price possible for a flight from Billings to Seattle, you should look to book at least 60 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 June is currently the most expensive (average of $388). 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 septiembre 11, 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 20% 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 September 7, 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. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 septiembre 11, 2025.
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
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,960 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 08m on average. When it comes time to book airfare, you have a few options: there are 10 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 21 times in the past calendar month.

  • How long is the flight from Billings to Seattle?

    For as low as $177, Hawaiian Airlines can have you in Seattle from Billings in 2h 08m. 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 $178 and $216, respectively. Hawaiian Airlines is currently priced 42% below the average price you’ll pay for this route.

  • 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 Korean Air (95%), Qatar Airways (93%) or British Airways (92%) 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 $326 for a flight from Billings to Seattle. The cheapest flight overall is $119 while the most popular route, (Billings Logan Intl - Seattle/Tacoma Intl) is currently priced at $177.

  • 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 June is currently the most expensive (average of $388). 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
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Lacey
Renton
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$177Average$328FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$178Average$315FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$262FlexibilityNo cancel feeOn-timeN/A

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