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CA $200 Cheap Flights from Billings (BIL) to Seattle (SEA)

View CA $200 flight on Wed, Sep 23, 2026Opens in a new window

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

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Cheap flights from Billings (BIL) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $200 for one-way flights and CA $319 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Oct 28 - Wed, Nov 4
BIL
Billings
SEA
Seattle
CA $319 Roundtrip, found 5 days ago
CA $319
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Billings to Seattle, returning Wed, Nov 4, priced at CA $319 found 5 days ago
Alaska Airlines
Thu, Sep 17 - Sat, Sep 26
BIL
Billings
SEA
Seattle
CA $325 Roundtrip, found 4 days ago
CA $325
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Sep 17 from Billings to Seattle, returning Sat, Sep 26, priced at CA $325 found 4 days ago
Alaska Airlines
Wed, Oct 28 - Sun, Nov 1
BIL
Billings
SEA
Seattle
CA $326 Roundtrip, found 5 days ago
CA $326
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Billings to Seattle, returning Sun, Nov 1, priced at CA $326 found 5 days ago
Alaska Airlines
Thu, Oct 29 - Sun, Nov 1
BIL
Billings
SEA
Seattle
CA $333 Roundtrip, found 5 days ago
CA $333
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Oct 29 from Billings to Seattle, returning Sun, Nov 1, priced at CA $333 found 5 days ago
Alaska Airlines
Tue, Sep 15 - Thu, Sep 24
BIL
Billings
SEA
Seattle
CA $389 Roundtrip, found 6 days ago
CA $389
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Sep 15 from Billings to Seattle, returning Thu, Sep 24, priced at CA $389 found 6 days ago
Alaska Airlines
Thu, Sep 17 - Sat, Sep 26
BIL
Billings
SEA
Seattle
CA $395 Roundtrip, found 4 days ago
CA $395
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Sep 17 from Billings to Seattle, returning Sat, Sep 26, priced at CA $395 found 4 days ago
Alaska Airlines
Fri, Sep 18 - Thu, Sep 24
BIL
Billings
SEA
Seattle
CA $396 Roundtrip, found 6 days ago
CA $396
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Sep 18 from Billings to Seattle, returning Thu, Sep 24, priced at CA $396 found 6 days ago
Delta
Tue, Sep 15 - Thu, Sep 24
BIL
Billings
SEA
Seattle
CA $418 Roundtrip, found 6 days ago
CA $418
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep 15 from Billings to Seattle, returning Thu, Sep 24, priced at CA $418 found 6 days ago
United
Tue, Sep 15 - Thu, Sep 24
BIL
Billings
SEA
Seattle
CA $473 Roundtrip, found 6 days ago
CA $473
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 15 from Billings to Seattle, returning Thu, Sep 24, priced at CA $473 found 6 days ago
American Airlines
Thu, Sep 17 - Sat, Sep 26
BIL
Billings
SEA
Seattle
CA $884 Roundtrip, found 4 days ago
CA $884
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Sep 17 from Billings to Seattle, returning Sat, Sep 26, priced at CA $884 found 4 days ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from CA $540
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from CA $540

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

September is typically the cheapest month to fly

From CA $248 - CA $440 per traveller.

Frequently asked questions

How much does a flight from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from CA $200 and cheap return flights from CA $319 BIL to SEA with Expedia. One-way flights typically cost between CA$115 and CA$534, and return flights often range between CA$944 and CA$1409. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when BIL to SEA ticket fares go up or down.
What is the cheapest month to fly from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
April is typically the cheapest month to fly from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with average return fares around CA$379. April often sees lower prices as it falls outside of peak holiday or summer travel seasons, when demand tends to be lower. Other cheap months to fly from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) include January and August.
Which airlines fly direct from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter BIL to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Alaska Airlines is one of the cheapest airlines offering nonstop return flights from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with tickets starting from around CA$203 for flights that can be booked for departure within the next year. Alaska Airlines also offers one of the cheapest connecting return flights on this route, starting from around CA$537. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. United offers the most daily flights from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
January is often the best time to fly from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). You'll find that January is both one of the cheapest months, with average return flights around CA$379, and also a popular time to travel, meaning you'll have plenty of flight options to choose from. This balance of good fares and availability makes it an ideal time to plan your trip.
How many flights per day from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 14 connecting flights per day from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Denver Intl. (DEN), Salt Lake City Intl. (SLC), and Portland Intl. (PDX).
What is the earliest flight from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 5:00 AM local time. This service is operated by American Airlines. This is a seasonal service, active in February and March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Friday, with around 15 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Delta, and Alaska Airlines. Flight schedules are quite consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly.
What are the most popular departure times for flights from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the early morning, from 6am to 9am. Many major carriers, including Alaska Airlines, Delta and United, offer flights during this window. Many travellers prefer this because it allows for an early start to their day in Seattle.
How long does it take to fly from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A nonstop flight from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically takes around 2 hours 18 minutes. This route covers a distance of approximately 1,065 kilometres. If you opt for a one-stop flight, your travel time will be longer, usually around 6 hours 18 minutes. Flights with two or more stops can take even longer, averaging about 10 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your journey.
Can you fly business or first class from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Yes, you can fly business class or first class between BIL and SEA. You can fly business class with Delta.First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.
How do I earn miles on a Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle, WA (SEA) from Billings, MT (BIL)?
If you're planning to travel to Seattle from Logan Intl. (BIL), you can fly directly into Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), or Salt Lake City Intl. (SLC) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Billings, MT (BIL-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
CA $318
Distance
1059 km
Average flight time
1 hour 9 mins

Book with confidence

Billings to Seattle Flights

The easy way to book your flights from Billings to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Billings whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Billings to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from Logan Intl., BIL to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Billings to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Billings currently is just CA $319 rising to CA $884.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Billings 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Billings to Seattle Flights

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