Cheap flights from Seattle to Bismarck (SEA - BIS)

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The best prices from Seattle/Tacoma Intl to Bismarck are usually found in April or February, booked 57 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

How to find the cheapest flight from
Seattle (SEA) to Bismarck (BIS)

All the information you need to plan the best SEA to BIS flight in 2021: compare Seattle to Bismarck flight prices with the expected peak season, weather and rainfall in Bismarck.
SEA - BIS
Price
$254 - $474
BIS
Temperature
12.2 - 71.6 °F
BIS
Precipitation
0.4 - 3.2 inches

Popular in

May

High demand for flights, 20% potential price rise

Cheapest in

April

Best time to find cheap flights, 33% potential price drop

Round-trip from

$254

From Seattle/Tacoma Intl to Bismarck

One-way from

$244

One-way flight from Seattle/Tacoma Intl to Bismarck

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Seattle to Bismarck?

April is one of the best times of the year to fly to Bismarck from Seattle. Prices for April average $381 per person but you can even find prices for as low as $121. The most expensive prices can be found in the month of May. Opting for a April flight can save you 24% on your journey compared to booking in April

How far in advance should I book a flight 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 57 days in advance, which can save you up to 42% on flights from Seattle to Bismarck compared to booking the week you need them. Waiting 57 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 $410. For sooner than that we have options available in the next 3 days from $477.

What is the cheapest day to fly round-trip from Seattle to Bismarck?

Leaving on a Tuesday 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 37% on the overall cost on flights from Seattle to Bismarck.

When is the cheapest time to fly from Seattle to Bismarck (SEA - BIS)?

A simple way to save on the total cost of your ticket is to fly from Seattle to Bismarck in the afternoon. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight at noon.

Cheap flights from Seattle to Bismarck in October, November 2021

The best prices found for SEA to BIS flights for October, November
12 Nov - 15 Nov
$329pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
BIS
Bismarck
BIS
Bismarck
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
12 Nov - 15 Nov
$334pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
BIS
Bismarck
BIS
Bismarck
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
22 Nov - 29 Nov
$335pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BIS
Bismarck
BIS
Bismarck
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Bismarck 2021 flight deals

Cheap flights to Bismarck from Seattle found for this year
12 Nov - 15 Nov
$329pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
BIS
Bismarck
BIS
Bismarck
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
12 Nov - 15 Nov
$334pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
BIS
Bismarck
BIS
Bismarck
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
22 Nov - 29 Nov
$335pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BIS
Bismarck
BIS
Bismarck
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Bismarck from Seattle

The cheapest one-way flights from Seattle to Bismarck
12:05 am - 11:42 am
United Airlines
1 Stop
9h 37m
SEA - BIS
United Airlines
$244
United
7:30 pm - 6:09 pm
American Airlines
1 Stop
20h 39m
SEA - BIS
American Airlines
7:45 pm - 5:47 am
Delta
1 Stop
8h 02m
SEA - BIS
Delta
$499
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Bismarck</span> flights.

Flight FAQs

From Seattle to Bismarck

Which airlines flying from Seattle/Tacoma Intl to Bismarck have flexible cancellations due to COVID-19?

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.

Can I find flights from Seattle to Bismarck for under $400 on Cheapflights?

Yes, there are multiple flights from Seattle to Bismarck for under $400. The cheapest flight booked recently is on American Airlines for just $329, but on average you can expect to pay $400.

What are the cheapest airlines flying from Seattle to Bismarck round-trip?

Our cheapest airline available from Seattle to Bismarck is American Airlines. Our recent data shows that you can find tickets from as low as $329 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $359 and $399 round-trip. American Airlines is priced at 13% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Seattle to Bismarck one-way?

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $239. American Airlines flights start at $249 while deals on Delta start at $259 one-way.

What are the cheapest flights from Seattle to Bismarck?

On average you can expect to pay $708 for a flight from Seattle to Bismarck. The cheapest flight overall is $112 while the most popular route, (Seattle/Tacoma Intl - Bismarck) is currently priced at $339.

What are the most popular airlines that fly from Seattle to Bismarck?

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

COVID Restrictions

View COVID Travel Restrictions for Bismarck, ND

Do I need a COVID test to fly to Bismarck from Seattle?

Information is based on travel restrictions for travel to Bismarck within the United States

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Bismarck.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Bismarck.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Bismarck.

Do I need a test to fly back to Seattle from Bismarck?

Returning to Seattle/Tacoma Intl from Bismarck

COVID-19 testing requirements
Visitors from Bismarck must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Bismarck are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Bismarck, ND

Alternative routes for Seattle to Bismarck

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Bismarck

Things to know before you go - useful duration and weather info for your trip from Seattle to Bismarck.
Average temperature for October in Bismarck
60.8 °F
Avg rainfall for October in Bismarck
1.3 ″

Airports servicing Seattle

Airports servicing Bismarck

Top 4 airlines flying from Seattle/Tacoma Intl to Bismarck

The chart below displays the airlines Cheapflights users traveling from Seattle to Bismarck choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$109 $249 No cancel fee 62%
American Airlines
$199 $404 No cancel fee 71%
United Airlines
$260 $436 No cancel fee 69%
Delta
$283 $483 No cancel fee N/A
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