$89 Cheap Flights from Seattle (SEA) to Billings (BIL)

View $89 flight on Fri, Oct 3, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Billings Logan Intl. Airport (BIL)

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Cheap Flights from Seattle to Billings (SEA-BIL)

Prices were available within the past 7 days and start at $89 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Sep 20 - Tue, Sep 23
SEA
Seattle
BIL
Billings
$157 Roundtrip, found 2 hours ago
$157
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Sat, Sep 20 from Seattle to Billings, returning Tue, Sep 23, priced at $157 found 2 hours ago
Alaska Airlines
Sat, Oct 25 - Sat, Nov 1
SEA
Seattle
BIL
Billings
$158 Roundtrip, found 1 hour ago
$158
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sat, Oct 25 from Seattle to Billings, returning Sat, Nov 1, priced at $158 found 1 hour ago
Hawaiian Airlines
Sat, Sep 20 - Sat, Sep 27
SEA
Seattle
BIL
Billings
$167 Roundtrip, found 2 hours ago
$167
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Sat, Sep 20 from Seattle to Billings, returning Sat, Sep 27, priced at $167 found 2 hours ago
Hawaiian Airlines
Wed, Sep 17 - Tue, Sep 23
SEA
Seattle
BIL
Billings
$167 Roundtrip, found 2 hours ago
$167
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Wed, Sep 17 from Seattle to Billings, returning Tue, Sep 23, priced at $167 found 2 hours ago
Alaska Airlines
Fri, Aug 22 - Wed, Sep 3
SEA
Seattle
BIL
Billings
$168 Roundtrip, found 13 hours ago
$168
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Fri, Aug 22 from Seattle to Billings, returning Wed, Sep 3, priced at $168 found 13 hours ago
Hawaiian Airlines
Tue, Oct 28 - Wed, Oct 29
SEA
Seattle
BIL
Billings
$176 Roundtrip, found 6 days ago
$176
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, Oct 28 from Seattle to Billings, returning Wed, Oct 29, priced at $176 found 6 days ago
United
Wed, Sep 10 - Sat, Sep 13
SEA
Seattle
BIL
Billings
$177 Roundtrip, found 4 hours ago
$177
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Sep 10 from Seattle to Billings, returning Sat, Sep 13, priced at $177 found 4 hours ago
United
Thu, Nov 27 - Tue, Dec 2
SEA
Seattle
BIL
Billings
$178 Roundtrip, found 20 hours ago
$178
Roundtrip
found 20 hours ago
Select United flight, departing Thu, Nov 27 from Seattle to Billings, returning Tue, Dec 2, priced at $178 found 20 hours ago
United
Wed, Sep 10 - Sat, Sep 13
SEA
Seattle
BIL
Billings
$179 Roundtrip, found 4 hours ago
$179
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Sep 10 from Seattle to Billings, returning Sat, Sep 13, priced at $179 found 4 hours ago
American Airlines
Mon, Jan 26 - Wed, Jan 28
SEA
Seattle
BIL
Billings
$319 Roundtrip, found 2 days ago
$319
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Jan 26 from Seattle to Billings, returning Wed, Jan 28, priced at $319 found 2 days ago

Find the cheapest month to fly from Seattle (SEA) to Billings (BIL)

January is typically the cheapest month to fly

From $156 - $367 per traveler.

Graph displaying average flight prices per month

Flights from Seattle (SEA) to Billings (BIL)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$157
Distance
661 mi
Average flight time
2 hours 52 mins

Seattle to Billings Flights

The cheapest times to fly from Seattle to Billings

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Billings are during the month of September. You can find some of the cheapest flights from Seattle to Billings with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Billings

Sunday is one of the best days to book for cheap flights from Seattle to Billings: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Billings

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Billings in 2025. You can also book with separate airlines for your outbound and return journeys, from $89 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Billings flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Billings airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL) cost?
Score cheap return tickets from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL) starting from $157. Grab your seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving SEA on August 11 2025 and touching down at BIL. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SEA to BIL?
The cheapest flights from SEA to BIL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL)?
Fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL) on an Alaska Airlines flight.
What is the cheapest airline that flies from SEA to BIL?
Right now, the cheapest airline offering one-way flights from SEA to BIL is Alaska Airlines. You can book a seat on this route from $99. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SEA on October 8 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL)?
On average, just 1 direct flight departs daily from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL). Want more options? Use our filters to find flights with layovers and squeeze another destination into your itinerary.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL)?
The 7 PM departures from SEA to BIL are typically the busiest. They can also be more expensive. If you want to save on your fare, choose a less crowded time to fly.
What day of the week has the most flights from SEA to BIL?
Travel on a Friday if you're looking for the biggest selection of flights from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL)?
The first flight of the day jetting off from Seattle - Tacoma Intl. Airport (SEA) is at around 9:55AM UTC-8. Catch this flight and you'll arrive at Logan Intl. Airport (BIL) at approximately 12:54PM UTC-7. The overall travel time is 1h 59m.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL)?
The average flight duration from SEA to BIL is 1 hour and 53 minutes, covering a distance of 660 mi.
What airline has the least delays from SEA to BIL?
With 90% of flights typically arriving on schedule, Alaska Airlines has the best on-time performance for direct flights from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL). To monitor your flight status and get notifications if anything changes, simply head to the Expedia App.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL)?
To touch down at Logan Intl. Airport (BIL) on schedule, book a flight that leaves from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Billings from Seattle - Tacoma Intl. Airport (SEA)?
Logan Intl. Airport (BIL) is the only airport in Billings with direct flights from Seattle - Tacoma Intl. Airport (SEA). Check out the available options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL) last-minute?
Last-minute bookings from SEA to BIL are typically more expensive. To secure the best prices, start looking for flights well ahead of time. That being said, if you can play around with your travel dates, you may score a cheap ticket right before you leave.
Is it cheaper to book a SEA to BIL flight and hotel package?
You'll typically save money by securing a SEA to BIL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your ideal flights and accommodations, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BIL)?
If you reserved your SEA to BIL flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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