Cheap Flights from Billings to Seattle

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Flight deals from Billings Airport 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 $406. Find the lowest prices on one-way and return tickets right here.

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 April.

Direct flights from Billings to Seattle

Billings to Seattle: Flight information

The things to know before you go.
Cheapest flight found$406
Cheapest month to flyApril
Average flight time2 hrs, 10 mins
Most popular airlineHorizon Air
Average flights per week234

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 $406. 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 10 minutes is the average flight time from Billings to Seattle.
Horizon Air, Alaska Airlines and Qatar Airways fly direct from Billings to Seattle.
As of March 2026, there are 78 flights per week flying from Billings to Seattle.
The cheapest month to fly from Billings to Seattle is usually April.
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 $406.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Billings Airport to Seattle on Sunday, 19 April 2026.
Yes – the average flight time is 2 hours and 10 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 March, the average temperature is usually around 6°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 offers the cheapest flight tickets to Seattle.

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

  • Book a direct flight from Billings Logan International Airport to Seattle and you'll be travelling for around 1 hour 55 minutes.

  • Seattle is one hour behind Billings, where Billings Logan International Airport is located. Seattle follows the UTC-7 timezone.

  • The busiest route is from Billings Logan International Airport (BIL) to Seattle-Tacoma International Airport (SEA). There are 17 services every week between these two airports. If you'd like to get on your way as soon as possible, the earliest flight from BIL to SEA is the 06:00 Alaska Airlines service. If you're planning to fly out later on, the last departure is at 19:24 with Alaska Airlines.

  • Leave plenty of time to make your BIL to Seattle flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Longer lines at security and check-in are likely if you're flying during high season, so allow a little extra breathing room. A good general rule for peak periods? Arrive up to four hours ahead for international flights and at least two hours for domestic departures.

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

  • Look out for deals with Alaska Airlines. This carrier has direct flights from Billings Logan International Airport to Seattle.

  • The journey from central Billings to BIL takes about 25 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 3 kilometres in 10 minutes or so, depending on traffic conditions.

  • Want a relaxed start to your journey? Stay near BIL. Whether you're catching an early flight from Billings Logan International Airport to Seattle or want to avoid feeling rushed, these hotels are all about convenience:

  • Of all flights departing from Billings Logan International Airport, 75.96% touch down on time at their destination.

  • BIL's address is 1901 Terminal Circle, Room 216.

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

  • $237 is the lowest price we've seen for a one-way Billings Logan International Airport to Seattle flight. A round-trip ticket right now is $406. Depending on when you book and the availability, these fares can change.

  • Book 11 months before your departure date. Pricing trends show that this is the ideal window for finding cheap flights from BIL to Seattle.

  • The best month for picking up cheap Billings Logan International Airport to Seattle tickets is March. Use the 'Whole month' tool to compare flight prices, then choose the dates with the lowest fares.

  • There's no need to keep checking in to see if fares have dropped when you create a Price Alert. We'll update you as soon as there's an extra saving on cheap flights from BIL to Seattle.

  • Find a cheap flight from Billings Logan International Airport to Seattle with the help of our filters. Select your preferred times, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to the centre of Seattle takes about 20 minutes to reach by car. The centre is roughly 23 kilometres away.

  • It'll take around 55 minutes if you're travelling on public transport.

  • Consider booking a hotel close to SEA if you have a late flight from Billings Logan International Airport to Seattle. Check in to one of these accommodation options and make your first night all about rest:

  • Begin your adventure by picking up a Seattle-Tacoma International Airport rental car. Grab your wheels from Thrifty, Europcar or Budget and explore beyond Seattle's usual tourist stops.

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

Lake Union Sea Plane Base Airport (LKE)

  • Once your flight from Billings Logan International Airport to Seattle has arrived, you can get to the city centre in about 10 minutes by car. Central Seattle is roughly 3 kilometres from Lake Union Sea Plane Base Airport (LKE).

  • The trip will take about 25 minutes on public transport.

  • Place the 'Do not disturb' sign on your door and relax at a hotel close to LKE. Here are a few options where you can tuck yourself in after your BIL to Seattle flight:

Best time to go to Seattle

  • Carefully consider your trip dates before booking your flight from Billings Logan International Airport to Seattle. The city buzzes in peak season, but rates are generally higher and attractions can be crowded. Plan your trip to Seattle in the low season for a quieter vibe.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC and 28ºC. Lock in your Billings Logan International Airport to Seattle flight ticket then if that's your definition of good weather.

  • If you want cooler conditions, search for a cheap ticket from BIL to Seattle in February when temperatures average between -1ºC and 11ºC.

More about Seattle

  • Start your Seattle trip off on the right foot by choosing the perfect place to stay. After booking your flight from Billings Logan International Airport to Seattle, check out our selection of hotels including:

  • Every great adventure has to include a little sightseeing. LMN Architects, Greyhound: Bus Station and Boeing Radiation Effects Lab are must-do's during your Seattle adventure.

Explore more of United States

  • You've visited Seattle, now it's time to discover other corners of United States. Journey about 241 kilometres south to Portland to tick off its leading attractions. From Pioneer Courthouse Square to Portland Japanese Garden and Pittock Mansion, you've got a jam-packed schedule ahead.

  • Around 370 kilometres east of Seattle, Spokane is another favourite stop in United States. Start your sightseeing at Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.