C$238 Cheap Flights from Bismarck (BIS) to Seattle (SEAA)

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Flight deals from Bismarck to Seattle

Looking for a cheap last-minute deal or the best return flight from Bismarck Airport to Seattle? If you want to travel next month, return fares start from C$563. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Bismarck to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bismarck to Seattle flights are currently cheapest in May.

Bismarck to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$238
Cheapest month to flyMay

Finding cheap flights from Bismarck 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 Bismarck to Seattle is C$458. 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.
Currently, there are no airlines that fly direct from Bismarck to Seattle. But we found flights with one or more stops from C$458.
As of April 2026, there are no flights flying from Bismarck to Seattle.
The cheapest month to fly from Bismarck to Seattle is usually July.
If you're flying from Bismarck 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 C$458.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bismarck Airport to Seattle on Saturday, July 11, 2026.
No airlines currently offer direct flights between Bismarck Airport and Seattle. Most routes have one or more stops.
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 April, the average temperature is usually around 8°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.

Travelling from Bismarck Airport (BIS) to Seattle: what you need to know

  • The timezone in Seattle is UTC-7. The city is 2 hours behind Bismarck, where Bismarck Airport is located.

  • Leave plenty of time to make your flight from BIS to Seattle. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • Peak months like October or vacation times such as spring break and Thanksgiving will mean longer lines at check-in and security. If you're travelling then, play it safe and head to the airport even earlier. Arriving two hours before a domestic flight and up four hours ahead of an international flight is a smart move.

  • Once you've booked your flight tickets from Bismarck Airport to Seattle, get your documents ready. A passport or visa isn't necessary since you're travelling within United States. As long as you have some other valid form of identification, such as an ID card or driver's licence, you're all set.

  • Central Bismarck to BIS is approximately 5 kilometres. Depending on traffic, it'll take you about 9 minutes to reach there if you're driving, ride-sharing or catching a cab.

  • Want a hassle-free start to your vacation? Stay near BIS. Whether you're boarding an early flight from Bismarck Airport to Seattle or just don't like being rushed, these hotels are just the thing:

How to find the cheapest flights from Bismarck Airport (BIS) to Seattle

  • The best price we've found for a one-way ticket from Bismarck Airport to Seattle is C$238. The cheapest price for a return flight is C$458. Keep in mind fares can change due to demand at the time of booking.

  • To pick up cheap tickets from BIS to Seattle, book as early as you can. Airlines usually offer lower prices when flights are first released.

  • Finding cheap tickets from Bismarck Airport to Seattle is more likely if you're flexible with your travel dates. Try using the 'Whole month' search function to show the lowest fares throughout the month and bag a great deal.

  • Sign into your online account or use the app to create a Price Alert. We'll notify you straight away if there's a better deal on this route. It's easy to do, and it'll save you the hassle of searching for cheap tickets from BIS to Seattle every day.

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

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is around 23 kilometres from central Seattle. With a cab or in your own car rental, the drive is about 18 minutes.

  • It takes around 54 minutes if you're travelling by public transport.

  • The last thing you need is a long journey to your hotel if you're arriving on a late flight from Bismarck Airport to Seattle. Book one of these accommodation options near SEA instead:

Lake Union Sea Plane Base Airport (LKE)

Best time to go to Seattle

  • It's time to pick your travel dates for your flight from Bismarck Airport to Seattle. July is the busiest month to visit Seattle. If you prefer a more relaxed vibe, go in May.

  • Before locking in your flight from Bismarck Airport to Seattle, think about the type of weather you enjoy. August is the warmest month in Seattle, with the temperature ranging from 12ºC to 28ºC.

  • If you'd rather travel in cooler conditions, lock in a cheap flight from BIS to Seattle in February when temperatures average between -1ºC and 11ºC.

More about Seattle

Complete your Seattle trip with a car rental

  • Finding you a cheap flight from Bismarck Airport to Seattle isn't our only cool trick. Check out our car rentals in Seattle and have more freedom to explore. We find deals from trusted car rental companies and put them all in one place. You can instantly compare offers and then book with no fees.

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