Cheap flights from Seattle to Bismarck (SEA - BIS) from $180

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 58% on the overall cost on flights from Seattle to Bismarck.

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 35 days in advance, which can save you up to 33% on flights from Seattle to Bismarck compared to booking the week you need them. Waiting 35 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $739. For sooner than that we have options available in the next 3 days from $763.

March is one of the best times of the year to fly to Bismarck from Seattle. Prices for March average $663 per person but you can even find prices for as low as $402. The most expensive prices can be found in the month of July. Opting for a March flight can save you 29% on your journey compared to booking in July

A simple way to save on the total cost of your ticket is to fly from Seattle to Bismarck in the morning. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight at noon.

Some of our airline partners flying from Seattle/Tacoma Intl to Bismarck have new flexible policies in place due to COVID-19. United Airlines, Delta, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

Yes, there are multiple flights from Seattle to Bismarck for under $300. The cheapest flight booked recently is on Multiple Airlines for just $300, but on average you can expect to pay $439.

Our cheapest airline available from Seattle to Bismarck is United Airlines. Our recent data shows that you can find tickets from as low as $352 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $459 and $489 round-trip. United Airlines is priced at 46% lower than the current average price of a flight leaving 3 months from now.

Before booking your flight from Seattle to Bismarck check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

SEA and BIS are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to BIS refers to a flight route from Seattle/Tacoma Intl Airport to Bismarck Airport.