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Cheap flights from Billings to Seattle

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      Compare Billings to Seattle flight deals

      Find the cheapest month or even day of the year to fly to Seattle

      Book the best Seattle fare with no extra fees

      Flight deals from Billings to Seattle

      Looking for a cheap last-minute deal or the best return flight from Billings Airport to Seattle? If you want to travel next month, return fares start from $292. Find the lowest prices on one-way and return tickets right here.
      Seattle.$172 per passenger.Departing Wed, 19 Aug.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Billings on Wed, 19 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $172, select.
      Seattle.$185 per passenger.Departing Tue, 3 Nov.One-way flight with Delta.Outbound indirect flight with Delta, departs from Billings on Tue, 3 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $185, select.
      Seattle.$185 per passenger.Departing Tue, 6 Oct.One-way flight with Delta.Outbound indirect flight with Delta, departs from Billings on Tue, 6 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $185, select.
      Seattle.$198 per passenger.Departing Mon, 28 Sep.One-way flight with Delta.Outbound indirect flight with Delta, departs from Billings on Mon, 28 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $198, select.
      Seattle.$230 per passenger.Departing Thu, 25 Mar.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Billings on Thu, 25 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $230, select.
      Seattle.$231 per passenger.Departing Thu, 4 Feb.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Billings on Thu, 4 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $231, select.
      Seattle.$276 per passenger.Departing Wed, 22 Jul.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Billings on Wed, 22 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $276, select.

      Find the cheapest month to fly from Billings to Seattle

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Billings to Seattle flights are currently cheapest in August.
      Jul
      from $276
      Aug
      from $172
      Sep
      from $198
      Oct
      from $185
      Nov
      from $185
      Dec
      Find prices
      Jan
      Find prices
      Feb
      from $231
      Mar
      from $230
      Apr
      Find prices
      May
      Find prices
      Jun
      Find prices

      Direct flights from Billings to Seattle

      Alternative Billings to Seattle routes

      Looking for the cheapest, fastest or easiest route from Billings to Seattle? You could fly into the following airports instead.

      Seattle Lake Union SPB

      2km from central Seattle
      Closest
      Search flights

      Seattle Boeing Fld

      11km from central Seattle
      Search flights

      Seattle / Tacoma International

      20km from central Seattle
      Cheapest
      from $172
      Search flights

      Paine Field

      33km from central Seattle
      from $451
      Search flights

      Billings to Seattle: Flight information

      The things to know before you go.
      Cheapest flight found$172
      Cheapest month to flyAugust
      Average flight time2 hrs, 11 mins
      Most popular airlineAlaska Airlines
      Average flights per week75

      Finding cheap flights from Billings to Seattle: Frequently asked questions

      There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
      The best price we found for a return flight from Billings to Seattle is $292. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      2 hours and 11 minutes is the average flight time from Billings to Seattle.
      Alaska Airlines, Horizon Air and Qatar Airways fly direct from Billings to Seattle.
      As of July 2026, there are 75 flights per week flying from Billings to Seattle.
      The cheapest month to fly from Billings to Seattle is usually August.
      If you're flying from Billings Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from $292.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Billings Airport to Seattle on Wednesday, 19 August 2026.
      Yes – the average flight time is 2 hours and 11 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

      In July, the average temperature is usually around 17°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
      Currently, Delta and Alaska Airlines offer the cheapest flight tickets to Seattle.

      Flying from Billings Logan International Airport (BIL) to Seattle: what you need to know

      • Around 1 hour 55 minutes is how long you can expect to be in the air on a direct flight from Billings Logan International Airport to Seattle.

      • Seattle is one hour behind Billings, where Billings Logan International Airport is located. Seattle observes the UTC-8 timezone.

      • With 16 flights a week between the two airports, Billings Logan International Airport (BIL) to Seattle-Tacoma International Airport (SEA) is the most popular route. Alaska Airlines operates the earliest flight at 06:00. If you prefer to get more out of your day before leaving, the latest flight from BIL to SEA is with Alaska Airlines at 19:24.

      • Give yourself enough time to catch your BIL to Seattle flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

      • Flying during a popular month such as June? School holidays and other popular seasons can lead to longer queues and delays at check-in and security. Play it safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

      • Begin your trip at BIL and travel straight to Seattle-Tacoma International Airport (SEA). That will be your arrival point when searching for Billings Logan International Airport to Seattle tickets.

      • Alaska Airlines is a well-known carrier that offers direct flights from Billings Logan International Airport to Seattle.

      • BIL is about 3 kilometres from central Billings. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 15 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 30 minutes.

      • Want a relaxed start to your trip? Stay near BIL. Whether you're catching an early flight from Billings Logan International Airport to Seattle or don't want departure day to feel hectic, these hotels are a convenient choice:

      • Billings Logan International Airport has an excellent on-time performance, so flight disruptions are less likely. Departures from BIL touch down on schedule 84% of the time.

      • You'll find BIL at 1901 Terminal Circle, Room 216.

      How to find the cheapest flights from Billings Logan International Airport (BIL) to Seattle

      • $172 is currently the lowest price for a one-way Billings Logan International Airport to Seattle flight. A return plane ticket starts at $292. These prices may change depending on availability and demand.

      • Book ten months before flying. Research on pricing trends suggests this is the ideal window for finding cheap flights from BIL to Seattle.

      • The best month for scoring cheap Billings Logan International Airport to Seattle tickets is March. Use the 'Whole month' tool to compare all available prices, then select the dates offering the lowest fares.

      • Spend less time searching for cheap flights from BIL to Seattle by setting up a Price Alert. You'll receive an email or push notification on the app when a lower fare becomes available.

      • Tailor your flights with filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Billings Logan International Airport to Seattle.

      Airports in Seattle

      Seattle-Tacoma International Airport (SEA)

      • The distance from Seattle-Tacoma International Airport (SEA) to central Seattle is roughly 23 kilometres. It takes about 25 minutes to get to the centre driving.

      • If you're taking public transport, expect a journey time of around 35 minutes.

      • If you're coming in on a late flight from Billings Logan International Airport to Seattle, few things beat the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and relaxing soon after at one of these hotels near SEA:

      • Reserving your ride from Seattle-Tacoma International Airport about one week before your flight from BIL to Seattle can help you lock in the lowest rate.

      Seattle Paine Field International Airport (PAE)

      • Seattle Paine Field International Airport (PAE) is around 40 kilometres from central Seattle. Following your flight from Billings Logan International Airport to Seattle, it'll take you around 40 minutes to get to the heart of the city in a ride-share or taxi.

      • The journey will take roughly 1 hour 30 minutes on public transport.

      • After stepping off your BIL to Seattle flight, rest your head at a hotel near PAE. These are some great options that'll help you switch to relaxation mode:

      • Lock in the vehicle you want, not just whatever's left, by reserving your ride from PAE before your arrival. You can also avoid paying extra, especially during busy airport times.

      King County International Airport (BFI)

      • Find your way to the city centre after your flight from Billings Logan International Airport to Seattle has landed. Central Seattle is around 11 kilometres from King County International Airport (BFI) and takes roughly 20 minutes to get to by car.

      • Public transport will get you there in roughly 35 minutes.

      • Book a hotel close to BFI and get from baggage claim to bedtime in a flash. Whether you're arriving on a late BIL to Seattle flight or just want to keep your travel plans simple, these stays offer a quick route to a good night's sleep:

      • Booking a couple of weeks in advance of your flight from Billings Logan International Airport to Seattle is always smart. Along with more affordable prices, you'll likely have a better variety of makes and models to choose from at BFI.

      Best time to go to Seattle

      • It's time to figure out your trip dates for your flight from Billings Logan International Airport to Seattle. July is the busiest month for a trip to Seattle. If you like a more relaxed atmosphere, go in December.

      • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Lock in your Billings Logan International Airport to Seattle plane ticket then if this is the type of weather you enjoy.

      • Look for cheap tickets from BIL to Seattle in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -1ºC (30ºF) and 11ºC (52ºF) on average.

      More about Seattle

      • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in Seattle right here. Check out these hotels as soon as you've booked your flight from Billings Logan International Airport to Seattle:

      • All great adventures should include a little sightseeing. Pike Place Market, Space Needle and Seattle Skyline are must-do's during your Seattle adventure.

      Explore more of the United States

      • Seattle is easy to fall in love with, but there are so many other corners of the United States waiting to be discovered. About 241 kilometres south of Seattle, a visit to Portland will keep you on the go. Start with popular sights like Portland Japanese Garden, Peninsula Park Rose Garden and Beyond Van Gogh Portland.

      • Around 370 kilometres east of Seattle, Spokane is another essential stop in the United States. Experience this destination's highlights firsthand at Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

      Plan the rest of your trip from Billings to Seattle

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.