Cheap flights from Seattle to Bismarck from $259
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Bismarck departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Delta flights from Seattle to Bismarck
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How to get the cheapest flight ticket from Seattle to Bismarck
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Bismarck?
In general, March is the cheapest month to fly from Seattle to Bismarck. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $266. If you aren’t able to travel during the month of March, then book flights to Bismarck from Seattle during January instead. Flights to Bismarck in January, while not as cheap as those in March, still average around $318.
What is the cheapest day to depart on your flight to Bismarck?
The cheapest day to depart from Seattle to Bismarck is on a Wednesday. Travelers who choose to depart for Bismarck on a Wednesday will often find tickets for as low as $548. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $768. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bismarck.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Bismarck?
Delta, American Airlines, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Bismarck
What airlines fly to Bismarck?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Bismarck from Seattle according to our data. United Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Bismarck. Keep in mind that there are 3 different airlines that fly to Bismarck on a routine basis, so you have a few additional options to choose from.
When to book flights from Seattle to Bismarck
Cheap Seattle to Bismarck (SEA to BIS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Bismarck
How far is Seattle/Tacoma Intl to Bismarck by plane?
A flight from Seattle/Tacoma Intl to Bismarck will travel around 1009.3 mi. Typically, this will take 5h 45m by plane in normal conditions.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Bismarck Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Bismarck Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Bismarck Airport?
As of June 2025, there are 3 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Bismarck Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Bismarck Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Bismarck Airport.
What documentation or ID do you need to fly to Bismarck Airport?
The travel and health documents required for your trip to Bismarck Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bismarck Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Seattle to Bismarck?
momondo data reveals that the most frequently booked airline on the route from Seattle to Bismarck is United Airlines, representing 47% of all bookings. The subsequent popular airlines are Delta at 44% and American Airlines at 9%.
Best airlines flying from Seattle to Bismarck
Compare and see reviews for airlines that fly from Seattle to Bismarck with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $258 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $328 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $378 | Free Cancellation | Rating 7.4 8,790 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Bismarck?
It is quick and easy to find Seattle to Bismarck flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bismarck that suits you.
Can I find flights from Seattle to Bismarck with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Bismarck from Seattle with this policy.
How can momondo help me find flights from Seattle to Bismarck?
momondo provides multiple filters to help you find the best flight to Bismarck from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Seattle to Bismarck right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Bismarck from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.