Cheap flights from Bismarck to Seattle from $173
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bismarck to Seattle departing on 8/10. 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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How to get the cheapest flight ticket from Bismarck to Seattle
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 typical price of a round-trip flight between Bismarck and Seattle?
What is the cheapest month to fly to Seattle?
In general, February is the cheapest month to fly from Bismarck to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $317. If you don’t want to visit Seattle in February, then you should wait until March to fly from Bismarck, when ticket prices are also cheap, with an average price of $364.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Bismarck is on a Monday. momondo users have found tickets for Monday departures for as low as $575. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Bismarck because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $765.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Bismarck at noon is the least expensive time of day to depart. momondo users have found prices as low as $578 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $692. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
Can stopping save me money on Bismarck to Seattle flights?
You could potentially save up to 54% on your flight if you consider stops on a Bismarck to Seattle flight.
When to book flights from Bismarck to Seattle
Cheap Bismarck to Seattle (BIS to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Bismarck to Seattle
How far is Bismarck to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 1009.3 mi away from Bismarck. Flights usually cover this in 5h 57m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Bismarck Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Bismarck Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Bismarck Airport to Seattle/Tacoma Intl Airport?
As of July 2025, there are 2 operators available to choose from for flights from Bismarck Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Bismarck Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bismarck Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Bismarck to Seattle?
momondo data reveals that the most frequently booked airline on the route from Bismarck to Seattle is United Airlines, representing 71% of all bookings. The subsequent popular airline is Delta at 29%.
Best airlines flying from Bismarck to Seattle
Compare and see reviews for airlines that fly from Bismarck to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $258 | Free Cancellation | Rating 8.0 7,954 reviews | |||
| PriceFrom $364 | Free Cancellation | Rating 7.4 8,842 reviews |
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Why should I use momondo to find a flight deal from Bismarck to Seattle?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Bismarck to Seattle for you.
Can I find flights from Bismarck to Seattle with flexible booking policies on momondo?
All flight searches from Bismarck to Seattle on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Bismarck to Seattle?
Once you have performed a search for Bismarck to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Bismarck to Seattle right now. Can momondo alert me if prices change?
Price alerts on flights to Seattle from Bismarck are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.