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$109+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BIL
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 September, booked 76 days in advance, depart on a Tuesday or Wednesday 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 June 30, 2025.

Round-trip from

$157
(Hawaiian Airlines)

One-way from

$109
(Alaska Airlines)

Popular in

November

Cheapest in

January

Average price

$338

Good round-trip deal

$288 or less

Good one-way deal

$144 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. 19% potential increase in price ($78 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 June 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 June 30, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 6/30. 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 9/612:03 pmSEA - BIL
Nonstop2h 00mHawaiian Airlines
Tue 9/97:18 pmBIL - SEA
Nonstop2h 11mHawaiian Airlines
Deal found 6/30$157
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 11/13:50 pmSEA - BIL
Nonstop1h 52mAlaska Airlines
Wed 4/11:55 pmBIL - SEA
Nonstop2h 09mAlaska Airlines
Deal found 6/30$193
This Delta deal was found by Cheapflights users on 6/30. 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 11/17:20 amSEA - BIL
1 stop4h 43mDelta
Tue 3/315:40 amBIL - SEA
1 stop4h 54mDelta
Deal found 6/30$212
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Wed 9/33:36 pmSEA - BIL
1 stop6h 10mUnited Airlines
Sat 9/65:00 amBIL - SEA
2 stops12h 19mUnited Airlines
Deal found 6/29$252
This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/149:15 pmSEA - BIL
Nonstop1h 53mMultiple Airlines
Thu 8/213:43 pmBIL - SEA
1 stop6h 53mMultiple Airlines
Deal found 6/30$269

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 June 30, 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

Sat 9/6

12:03 pm-3:03 pm

Nonstop2h 00m

Billings Logan Intl

Tue 9/9

7:18 pm-8:29 pm

Nonstop2h 11m

$157

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Tue 8/5

3:45 pm-6:37 pm

Nonstop1h 52m

Billings Logan Intl

Tue 8/12

3:45 pm-2:25 pm

1 stop23h 40m

$245

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Wed 9/3

3:36 pm-10:46 pm

1 stop6h 10m

Billings Logan Intl

Sat 9/6

5:00 am-4:19 pm

2 stops12h 19m

$252

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Thu 8/14

9:15 pm-12:08 am

Nonstop1h 53m

Billings Logan Intl

Thu 8/21

3:43 pm-9:36 pm

1 stop6h 53m

$269

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Thu 8/7

5:45 pm-12:07 am

1 stop5h 22m

Billings Logan Intl

Tue 8/12

5:25 am-8:55 am

1 stop4h 30m

$278

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Sun 9/21

9:15 pm-12:11 am

Nonstop1h 56m

$109

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Fri 7/18

9:15 pm-12:08 am

Nonstop1h 53m

$164

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Thu 8/7

5:45 pm-12:07 am

1 stop5h 22m

$170

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Fri 7/18

6:45 am-9:03 pm

2 stops13h 18m

$194

SeattleBillings

SEA - BIL

SEABIL

Seattle/Tacoma Intl

Thu 7/17

11:57 pm-9:36 pm

2 stops20h 39m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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 June 27, 2025.

The best time to book flights from Seattle to Billings is 76 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, February is the cheapest month in which you can book a flight from Seattle to Billings (average of $396). Flying from Seattle to Billings in June is currently the most expensive (average of $512). 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 June 30, 2025.

It’s typically best to fly out from Seattle to Billings in the morning. Doing so could potentially save you 4% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Billings. Price data was last updated on June 29, 2025.

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

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 June 30, 2025.

The most flights from SEA to BIL are scheduled on a Saturday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 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 June 30, 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

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,969 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.8
Good
2,533 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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 2 different airlines have flights from Seattle/Tacoma Intl (SEA) to Billings Logan Intl (BIL) on a regular basis. There are 10 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 52m.

  • How popular is this Seattle to Billings flight route?

    This flight path from Seattle/Tacoma Intl to Billings Logan Intl was viewed by 12 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 Hawaiian Airlines. Our recent data shows that you can find tickets from as low as $157 on this airline. Additional options worth looking into are Alaska Airlines and Delta, starting at $245 and $248 round-trip. Users have found that Hawaiian Airlines is 51% 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 Alaska Airlines. According to our data, you can fly for as low as $109. Users have also found prices from $164 and $170 on Hawaiian Airlines and Delta, 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 (85%), Korean Air (85%), Qatar Airways( 77%).

  • What are the cheapest flights from Seattle to Billings?

    Looking at all options, your cheapest flight can be booked for $108. While the most popular route (Seattle/Tacoma Intl - Billings Logan Intl) can be booked for $157 on average our data indicates $266 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, February is the cheapest month in which you can book a flight from Seattle to Billings (average of $396). Flying from Seattle to Billings in June is currently the most expensive (average of $512). 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.

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Top 2 airlines flying from Seattle to Billings

Discover the top 2 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$187Average$287FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$192Average$311FlexibilityNo cancel feeOn-time75%

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