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 Sunday or Wednesday and return on a Tuesday

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 2022: 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
Rainfall
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

Average price

$302

Average for round-trip flights in May 2022

Round-trip from

$282

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.
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 day to fly round-trip from Bismarck to Seattle?

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 32% on your flight compared to booking on days when demand is much higher.

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 in the evening. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Bismarck to Seattle in May, June 2022

The best prices found for BIS to SEA flights for May, June
9 Jun - 15 Jun
$637pp
BIS
Bismarck
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BIS
Bismarck
9 Jun - 15 Jun
$708pp
BIS
Bismarck
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BIS
Bismarck
7 Jun - 14 Jun
$811pp
BIS
Bismarck
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BIS
Bismarck

Bismarck to Seattle 2022 flight deals

Cheap flights to Seattle from Bismarck found for this year
21 Jul - 24 Jul
$486pp
BIS
Bismarck
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BIS
Bismarck
21 Jul - 24 Jul
$505pp
BIS
Bismarck
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BIS
Bismarck
21 Jul - 24 Jul
$511pp
BIS
Bismarck
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BIS
Bismarck

Last minute flights from Bismarck to Seattle

Late deals on round-trip flights to Seattle from Bismarck, departing today and this week
2 Jun - 6 Jun
$942pp
BIS
Bismarck
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
BIS
Bismarck
2 Jun - 7 Jun
$947pp
BIS
Bismarck
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
BIS
Bismarck
2 Jun - 7 Jun
$1,006pp
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
1:02 pm - 6:37 pm
United Airlines
1 Stop
7h 35m
BIS - SEA
United Airlines
$532
United
2:30 am - 7:08 pm
American Airlines
1 Stop
18h 38m
BIS - SEA
American Airlines
9:02 am - 4:04 am
Multiple Airlines
3 Stops
45h 02m
BIS - SEA
Multiple Airlines
$607
Gotogate

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.

Can I find flights from Bismarck to Seattle for under $500 on Cheapflights?

Yes, there are multiple flights from Bismarck to Seattle for under $500. The cheapest flight booked recently is on Multiple Airlines for just $486, but on average you can expect to pay $590.

Are there last-minute flights available from Bismarck to Seattle for under $1,000?

There are currently 10+ open flights from Bismarck to Seattle within the next 7 days for less than $1,000.

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

American Airlines, at $638, was found to be the cheapest airline from Bismarck to Seattle..

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

$419 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $469 and $604, respectively.

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 $444 for a flight from Bismarck to Seattle. The cheapest flight overall is $219 while the most popular route, (Bismarck - Seattle/Tacoma Intl) is currently priced at $510.

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 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) 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 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) 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 May in Seattle
66.2 °F
Avg rainfall for May in Seattle
1.8 ″

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
$120 $170 No cancel fee 62%
United Airlines
$214 $420 No cancel fee 69%
American Airlines
$338 $509 No cancel fee 71%
Delta
$349 $538 No cancel fee N/A
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