Cheap Flights from Bismarck to Seattle

Compare Bismarck to Seattle flight deals

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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 $1,038. 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 January.

Bismarck to Seattle: Flight information

The things to know before you go.
Cheapest flight found$543
Cheapest month to flyOctober

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 $543. 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 $543.
As of June 2026, there are no flights flying from Bismarck to Seattle.
The cheapest month to fly from Bismarck to Seattle is usually October.
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 $543.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bismarck Airport to Seattle on Saturday, 31 October 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 June, the average temperature is usually around 14°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 Municipal Airport (BIS) to Seattle: what you need to know

  • Bismarck Municipal Airport is located in Bismarck. Following the UTC-8 timezone, Seattle is two hours behind Bismarck.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your BIS to Seattle flight.

  • Flying over a peak time like July? Major public holidays and other popular periods can lead to longer lines and delays at security. Be extra cautious and get there up to four hours ahead of international flights and two hours before domestic departures.

  • Located around 3 kilometres from the centre of Bismarck, BIS can be reached in about 15 minutes by car. Travelling on public transport takes roughly 30 minutes.

  • Searching for a hotel near BIS? If you're catching an early flight from Bismarck Municipal Airport to Seattle, these accommodation options will put you moments from your departure gate:

  • When it comes to Bismarck Municipal Airport's on-time performance, data shows 75% of flights arrive within the scheduled time frame.

  • You'll find BIS at 2301 University Drive Bldg 17.

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

  • The best price we've seen for a one-way Bismarck Municipal Airport to Seattle flight is $531. The cheapest price for a return flight is $543. Remember fares can change due to demand at the time of booking.

  • Don't leave everything to the last moment. You're more likely to pick up cheap flights from BIS to Seattle if you book ahead. Airlines often have some excellent early bird discounts.

  • Scoring cheap tickets from Bismarck Municipal Airport to Seattle is easier if you can be flexible with your trip dates. Use the 'Whole month' search tool to get the best prices across every month and bag an incredible deal.

  • Picking up a cheap flight from BIS to Seattle is a breeze with Price Alerts. All you need to do is create one of these automatic notifications and we'll get in touch as soon as the price has dropped.

  • Tailor your flights with filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Bismarck Municipal 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 reach the centre driving.

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

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

  • Booking your vehicle from Seattle-Tacoma International Airport around one week ahead of your flight from BIS to Seattle can help you get the lowest rate.

Seattle Paine Field International Airport (PAE)

  • Central Seattle is about 40 kilometres from Seattle Paine Field International Airport (PAE). After your flight from Bismarck Municipal Airport to Seattle has touched down and you've made your way to arrivals, the drive should be around 40 minutes.

  • If you're travelling on public transport, it'll take about 1 hour 30 minutes.

  • Place the 'Do not disturb' sign on your door and rest at a hotel close to PAE. Here are a few options where you can kick back after your BIS to Seattle flight:

  • Avoid the slow-moving lines and paperwork at the rental desk by having everything prearranged. Secure your ride from PAE a few weeks in advance so you can simply collect the keys and drive away.

King County International Airport (BFI)

  • King County International Airport (BFI) is about 11 kilometres from the centre of Seattle. It takes about 20 minutes to get to the city centre by car once you've stepped off your flight from Bismarck Municipal Airport to Seattle.

  • The journey will take about 35 minutes when travelling by public transport.

  • Enjoy a quiet, low-key start to your trip by staying at a hotel near BFI after your BIS to Seattle flight. Rest up after a long day of travel or simply take a moment to settle into a new destination at:

  • Rental companies sometimes offer promotions for early bookings, so reserve your vehicle from BFI in advance of your flight from Bismarck Municipal Airport to Seattle. Plan ahead and your wallet will thank you.

Best time to go to Seattle

  • It's time to work out your travel dates for your flight from Bismarck Municipal Airport to Seattle. July is the busiest month to travel to Seattle. If you prefer a more relaxed atmosphere, go in December.

  • Book a Bismarck Municipal Airport to Seattle plane ticket with a departure in August to experience the city during its warmest month. You can expect temperatures to range from 12ºC to 28ºC.

  • For cooler conditions, search for a cheap ticket from BIS 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 ideal place to stay. Once you've booked your flight from Bismarck Municipal Airport to Seattle, browse our selection of accommodation options including:

  • Pike Place Market and Space Needle are a couple of top attractions to add to your Seattle to-do list. Continue your sightseeing adventures at Seattle Skyline.

Explore more of the United States

  • You've done Seattle, now it's time to discover other parts of the United States. Journey about 241 kilometres south to Portland to tick off its leading sights. From Portland Japanese Garden to Peninsula Park Rose Garden and Beyond Van Gogh Portland, you'll have a packed itinerary ahead.

  • Around 370 kilometres east of Seattle, Spokane is another essential stop in the United States. Start your sightseeing at Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

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