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$99+ Cheap flights from Seattle to Billings (SEA - BIL)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BIL
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Billings Logan Intl are usually found in January or August, booked 58 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Seattle to Billings

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Billings (BIL). 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 August 14, 2025.

Round-trip from

$157
(Alaska Airlines)

One-way from

$99
(Hawaiian Airlines)

Popular in

November

Cheapest in

January

Average price

$257

Good round-trip deal

$177 or less

Good one-way deal

$248 or less
From Seattle/Tacoma Intl to Billings Logan Intl
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One-way flight from Seattle/Tacoma Intl to Billings Logan Intl
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Highest demand for flights based on searches. 21% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Billings Logan Intl.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Billings Logan Intl.
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Find flight deals from Seattle to Billings

Cheapest flights from Seattle to Billings
Explore the most affordable flight options available from Seattle to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 9/99:15 pmSEA - BIL
Nonstop1h 56mAlaska Airlines
Tue 9/167:18 pmBIL - SEA
Nonstop2h 11mAlaska Airlines
Deal found 8/13$157
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sat 9/133:45 pmSEA - BIL
Nonstop1h 53mHawaiian Airlines
Sat 9/203:43 pmBIL - SEA
1 stop4h 02mHawaiian Airlines
Deal found 8/13$162
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/103:45 pmSEA - BIL
Nonstop1h 53mAlaska Airlines
Fri 9/197:18 pmBIL - SEA
Nonstop2h 11mAlaska Airlines
Deal found 8/13$167
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Sat 9/133:45 pmSEA - BIL
Nonstop1h 53mHawaiian Airlines
Sun 9/146:00 amBIL - SEA
Nonstop2h 08mHawaiian Airlines
Deal found 8/14$168
This TeaFlight deal was found by Cheapflights users on 8/13. 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 TeaFlight is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:15 pmSEA - BIL
Nonstop1h 56mHawaiian Airlines
Fri 9/197:30 pmBIL - SEA
Nonstop2h 14mHawaiian Airlines
Deal found 8/13$174
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 9/119:15 pmSEA - BIL
Nonstop1h 56mAlaska Airlines
Fri 9/197:18 pmBIL - SEA
Nonstop2h 11mAlaska Airlines
Deal found 8/13$177
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/99:15 pmSEA - BIL
Nonstop1h 56mHawaiian Airlines
Sat 9/203:43 pmBIL - SEA
1 stop4h 02mHawaiian Airlines
Deal found 8/13$184
This Delta deal was found by Cheapflights users on 8/13. 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 9/95:30 amSEA - BIL
1 stop4h 20mDelta
Tue 9/166:19 pmBIL - SEA
1 stop5h 05mDelta
Deal found 8/13$187
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 11/112:06 pmSEA - BIL
Nonstop1h 54mAlaska Airlines
Sat 3/281:55 pmBIL - SEA
Nonstop2h 09mAlaska Airlines
Deal found 8/14$193
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Thu 9/119:15 pmSEA - BIL
Nonstop1h 56mHawaiian Airlines
Sat 9/203:43 pmBIL - SEA
1 stop4h 02mHawaiian Airlines
Deal found 8/13$195
This Delta deal was found by Cheapflights users on 8/13. 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 9/95:30 amSEA - BIL
1 stop4h 20mDelta
Wed 9/176:19 pmBIL - SEA
1 stop5h 05mDelta
Deal found 8/13$197
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 10/3012:06 pmSEA - BIL
Nonstop1h 54mAlaska Airlines
Thu 4/26:00 amBIL - SEA
Nonstop2h 12mAlaska Airlines
Deal found 8/14$203

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Billings 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 August 14, 2025.
Use the filters below to find and compare flights from Seattle to Billings that are best for you.

Fly from

Seattle

Fly to

Billings

Route

Depart

Return

Price

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Tue 9/9

9:15 pm-12:11 am

Nonstop1h 56m

Billings Logan Intl

Tue 9/16

7:18 pm-8:29 pm

Nonstop2h 11m

$157

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Tue 9/16

9:15 pm-12:11 am

Nonstop1h 56m

Billings Logan Intl

Tue 9/30

6:00 am-7:08 am

Nonstop2h 08m

$157

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Wed 9/10

3:45 pm-6:38 pm

Nonstop1h 53m

Billings Logan Intl

Tue 9/16

7:18 pm-8:29 pm

Nonstop2h 11m

$157

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Tue 9/23

9:15 pm-12:11 am

Nonstop1h 56m

Billings Logan Intl

Tue 10/14

7:15 pm-8:35 pm

Nonstop2h 20m

$157

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Sat 9/13

3:45 pm-6:38 pm

Nonstop1h 53m

Billings Logan Intl

Tue 9/16

7:18 pm-8:29 pm

Nonstop2h 11m

$157

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Fri 10/3

3:45 pm-6:38 pm

Nonstop1h 53m

Billings Logan Intl

Tue 10/7

7:15 pm-8:35 pm

Nonstop2h 20m

$167

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Thu 9/11

9:15 pm-12:11 am

Nonstop1h 56m

Billings Logan Intl

Tue 9/16

6:00 am-7:08 am

Nonstop2h 08m

$167

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Sat 9/13

3:45 pm-6:38 pm

Nonstop1h 53m

Billings Logan Intl

Thu 9/18

7:18 pm-8:29 pm

Nonstop2h 11m

$167

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Wed 9/10

3:45 pm-6:38 pm

Nonstop1h 53m

Billings Logan Intl

Mon 9/22

7:18 pm-8:29 pm

Nonstop2h 11m

$167

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Fri 9/12

3:45 pm-6:38 pm

Nonstop1h 53m

Billings Logan Intl

Tue 9/16

7:18 pm-8:29 pm

Nonstop2h 11m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 21 results
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Best time to book a flight from Seattle to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings from Seattle 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 Seattle to Billings

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Billings. Price data was last updated on August 8, 2025.

The best time to book flights from Seattle to Billings is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Billings (average of $393). Flying from Seattle to Billings in June is currently the most expensive (average of $511). 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 SEA to BIL?

Find hourly flight availability from Seattle to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Billings as you normally would.

Weekly flight availability from Seattle to Billings

Explore weekly flight availability from Seattle to Billings. 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 August 14, 2025.

The most flights from SEA to BIL are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. 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 Billings. Reviews last updated August 14, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Seattle to Billings. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,656 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Billings. 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 Seattle to Billings?

    You will need to book a flight from Seattle/Tacoma Intl to Billings Logan Intl if you want to fly from Seattle to Billings. At least 3 different airlines have flights from Seattle/Tacoma Intl (SEA) to Billings Logan Intl (BIL) on a regular basis. There are 11 flights to Billings from the Seattle airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SEA to BIL to be around 1h 48m.

  • How popular is this Seattle to Billings flight route?

    This flight path from Seattle/Tacoma Intl to Billings Logan Intl was viewed by 10 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Our cheapest airline available from Seattle to Billings is Delta. Our recent data shows that you can find tickets from as low as $124 on this airline. Additional options worth looking into are Hawaiian Airlines and Alaska Airlines, starting at $177 and $177 round-trip. Users have found that Delta is 60% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $99. Users have also found prices from $109 and $124 on Alaska Airlines and United Airlines, respectively.

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

    Before booking your flight to Billings from Seattle, check out the most reliable airlines to get you to your destination on time: Finnair (82%), Korean Air (80%), Hawaiian Airlines( 73%).

  • What are the cheapest flights from Seattle to Billings?

    Looking at all options, your cheapest flight can be booked for $164. While the most popular route (Seattle/Tacoma Intl - Billings Logan Intl) can be booked for $157 on average our data indicates $236 when flying from Seattle to Billings.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Billings 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 Seattle to Billings?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Billings (average of $393). Flying from Seattle to Billings in June is currently the most expensive (average of $511). 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

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Top 3 airlines flying from Seattle to Billings

Discover the top 3 airlines that operate flights from Seattle to Billings. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$124Average$377FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$177Average$268FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$177Average$300FlexibilityNo cancel feeOn-time75%

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