Cheap flights from Bismarck to Seattle (BIS - SEA)

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The best prices from Bismarck to Seattle/Tacoma Intl are usually found in April or August, booked 43 days in advance, depart on a Saturday or Sunday and return on a Wednesday

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

All the information you need to plan the best BIS to SEA flight in 2021: compare Bismarck to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
BIS - SEA
Price
$282 - $483
SEA
Temperature
41 - 66.2 °F
SEA
Precipitation
0.7 - 6.6 inches

Popular in

January

High demand for flights, 23% potential price rise

Cheapest in

April

Best time to find cheap flights, 24% potential price drop

Round-trip from

NT$282

From Bismarck to Seattle/Tacoma Intl

One-way from

$158

One-way flight from Bismarck to Seattle/Tacoma Intl

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

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 35% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Bismarck to Seattle?

To save up to 40% on this flight, we recommend booking at least 43 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Bismarck to Seattle from $399 1-2 weeks out and tickets from $487 for flights departing within the next 72 hours.

What is the cheapest month to fly from Bismarck to Seattle?

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, April can be a great choice for travel to Seattle. Flights to Seattle from Bismarck in April are about $373 on average during April, but can be found for as low as $136.

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

It’s optimal to fly from Bismarck to Seattle at noon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Bismarck to Seattle in September, October 2021

The best prices found for BIS to SEA flights for September, October
23 Oct - 26 Oct
$215pp
BIS
Bismarck
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
BIS
Bismarck
23 Oct - 26 Oct
$251pp
BIS
Bismarck
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
BIS
Bismarck
23 Oct - 26 Oct
$307pp
BIS
Bismarck
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
BIS
Bismarck

Bismarck to Seattle 2021 flight deals

Cheap flights to Seattle from Bismarck found for this year
23 Oct - 26 Oct
$215pp
BIS
Bismarck
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
BIS
Bismarck
23 Oct - 26 Oct
$251pp
BIS
Bismarck
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
BIS
Bismarck
7 Nov - 10 Nov
$307pp
BIS
Bismarck
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
BIS
Bismarck

One-way flights to Seattle/Tacoma Intl from Bismarck

The cheapest one-way flights from Bismarck to Seattle
1:12 pm - 5:16 pm
United Airlines
1 Stop
6h 04m
BIS - SEA
United Airlines
$158
United
10:00 am - 5:56 pm
American Airlines
2 Stops
33h 56m
BIS - SEA
American Airlines
9:22 am - 9:15 am
United Airlines
3 Stops
25h 53m
BIS - SEA
United Airlines
$399
United

Related info for your journey

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

Flight FAQs

From Bismarck to Seattle

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

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Delta, and American Airlines flying from Bismarck to Seattle/Tacoma Intl have implemented new flexible cancellation policies.

Are flight prices decreasing from Bismarck to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Bismarck and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Bismarck to Seattle for under $300 on Cheapflights?

Yes, there are multiple flights from Bismarck to Seattle for under $300. The cheapest flight booked recently is on United Airlines for just $215, but on average you can expect to pay $332.

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

United Airlines, at $215, was found to be the cheapest airline from Bismarck to Seattle.Alternate airlines to your destination round-trip include Delta and American Airlines. United Airlines is 42% cheaper than the average price of flights available within the next 90 days to this destination.

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

The most popular airlines flying from Bismarck to Seattle are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

What are the cheapest flights from Bismarck to Seattle?

On average you can expect to pay $491 for a flight from Bismarck to Seattle. The cheapest flight overall is $101 while the most popular route, (Bismarck - Seattle/Tacoma Intl) is currently priced at $307.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

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

Information is based on travel restrictions for travel to Seattle/Tacoma Intl within the United States

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

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.

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

Returning to Bismarck from Seattle/Tacoma Intl

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.

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for Bismarck to Seattle

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

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Bismarck to Seattle.
Average temperature for September in Seattle
73.4 °F
Avg rainfall for September in Seattle
1.0 ″

Airports servicing Bismarck

Airports servicing Seattle

Top 4 airlines flying from Bismarck to Seattle/Tacoma Intl

The chart below displays the airlines Cheapflights users traveling from Bismarck to Seattle 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
$224 $317 No cancel fee 62%
American Airlines
$231 $385 No cancel fee 71%
United Airlines
$257 $421 No cancel fee 69%
Delta
$264 $429 No cancel fee N/A
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