$263+ Cheap flights from Bismarck to Seattle (BIS - SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — SEA
Jul 4 — Jul 111
Round-trip
1 adult, Economy
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Find cheap flights from Bismarck to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Bismarck to Seattle
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Cheapest flights from Bismarck to SeattleExplore the most affordable flight options available from Bismarck to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 4, 2026.
Explore the most affordable flight options available from Bismarck to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 4, 2026.
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:36 pm
BIS
- SEA
1 stop6h 24m
Delta
Fri 9/119:05 am
SEA
- BIS
1 stop8h 48m
Delta
Deal found 6/4![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:30 pm
BIS
- SEA
1 stop8h 29m
Delta
Sun 11/86:05 am
SEA
- BIS
1 stop6h 20m
Delta
Deal found 6/2![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:30 pm
BIS
- SEA
1 stop7h 56m
Delta
Sun 9/1311:53 pm
SEA
- BIS
1 stop8h 39m
Delta
Deal found 6/2![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:11 pm
BIS
- SEA
2 stops23h 15m
Multiple Airlines
Wed 7/88:13 pm
SEA
- BIS
1 stop13h 03m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$396
This American Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:01 pm
BIS
- SEA
1 stop9h 51m
American Airlines
Fri 9/1110:17 am
SEA
- BIS
1 stop10h 35m
American Airlines
Deal found 5/31![American Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:04 pm
BIS
- SEA
2 stops18h 14m
Multiple Airlines
Wed 7/88:13 pm
SEA
- BIS
1 stop13h 03m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
BIS
- SEA
1 stop6h 01m
United Airlines
Tue 9/13:54 pm
SEA
- BIS
1 stop5h 44m
United Airlines
Deal found 6/3![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:30 pm
BIS
- SEA
2 stops9h 18m
United Airlines
Mon 11/95:07 am
SEA
- BIS
1 stop5h 41m
United Airlines
Deal found 6/2![United Airlines logo]()
$471
This American Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:00 pm
BIS
- SEA
1 stop10h 32m
American Airlines
Tue 7/710:22 am
SEA
- BIS
1 stop10h 34m
American Airlines
Deal found 5/30![American Airlines logo]()
$474
Best flights from Bismarck to SeattleDiscover carefully curated flight deals from Bismarck to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 4, 2026.
Discover carefully curated flight deals from Bismarck to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 4, 2026.
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2911:16 am
BIS
- SEA
1 stop7h 44m
Delta
Wed 7/812:05 pm
SEA
- BIS
1 stop5h 41m
Delta
Deal found 6/1![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
BIS
- SEA
1 stop6h 01m
United Airlines
Tue 9/13:54 pm
SEA
- BIS
1 stop5h 44m
United Airlines
Deal found 6/3![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:42 pm
BIS
- SEA
1 stop8h 17m
Delta
Wed 7/811:59 pm
SEA
- BIS
1 stop8h 41m
Delta
Deal found 6/4![Delta logo]()
$503
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:25 pm
BIS
- SEA
1 stop6h 45m
United Airlines
Wed 6/243:40 pm
SEA
- BIS
1 stop6h 01m
United Airlines
Deal found 6/2![United Airlines logo]()
$544
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:00 am
BIS
- SEA
1 stop5h 48m
Delta
Sat 9/129:30 am
SEA
- BIS
2 stops11h 44m
Delta
Deal found 6/2![Delta logo]()
$597
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/275:42 pm
BIS
- SEA
1 stop6h 13m
Delta
Tue 7/711:59 pm
SEA
- BIS
1 stop8h 41m
Delta
Deal found 6/2![Delta logo]()
$609
Last-minute flights from Bismarck to SeattleDiscover last-minute flight deals from Bismarck to Seattle. Data last updated June 4, 2026 and is based on user searches.
Discover last-minute flight deals from Bismarck to Seattle. Data last updated June 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:25 pm
BIS
- SEA
1 stop6h 45m
United Airlines
Wed 6/243:40 pm
SEA
- BIS
1 stop6h 01m
United Airlines
Deal found 6/2![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:25 pm
BIS
- SEA
1 stop6h 45m
United Airlines
Thu 6/252:33 pm
SEA
- BIS
1 stop7h 08m
United Airlines
Deal found 6/1![United Airlines logo]()
$607
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/275:42 pm
BIS
- SEA
1 stop6h 13m
Delta
Tue 7/711:59 pm
SEA
- BIS
1 stop8h 41m
Delta
Deal found 6/3![Delta logo]()
$584
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2911:16 am
BIS
- SEA
1 stop7h 44m
Delta
Wed 7/812:05 pm
SEA
- BIS
1 stop5h 41m
Delta
Deal found 6/1![Delta logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:11 pm
BIS
- SEA
2 stops23h 15m
Multiple Airlines
Wed 7/88:13 pm
SEA
- BIS
1 stop13h 03m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$396
This American Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:00 pm
BIS
- SEA
1 stop10h 32m
American Airlines
Tue 7/710:22 am
SEA
- BIS
1 stop10h 34m
American Airlines
Deal found 5/30![American Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:00 am
BIS
- SEA
1 stop6h 58m
Delta
Wed 7/811:59 pm
SEA
- BIS
1 stop8h 41m
Delta
Deal found 6/2![Delta logo]()
$491
This American Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:00 pm
BIS
- SEA
1 stop10h 32m
American Airlines
Wed 7/811:56 pm
SEA
- BIS
1 stop10h 20m
American Airlines
Deal found 5/30![American Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:04 pm
BIS
- SEA
2 stops18h 14m
Multiple Airlines
Wed 7/88:13 pm
SEA
- BIS
1 stop13h 03m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:42 pm
BIS
- SEA
1 stop8h 17m
Delta
Wed 7/811:59 pm
SEA
- BIS
1 stop8h 41m
Delta
Deal found 6/4![Delta logo]()
$503
This American Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/111:55 pm
BIS
- SEA
1 stop10h 31m
American Airlines
Tue 7/1411:56 pm
SEA
- BIS
1 stop10h 20m
American Airlines
Deal found 5/31![American Airlines logo]()
$595
One-way flights from Bismarck to SeattleSearch for one-way flight options from Bismarck to Seattle. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
Search for one-way flight options from Bismarck to Seattle. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:56 pm
BIS
- SEA
2 stops38h 39m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2211:16 am
BIS
- SEA
1 stop7h 44m
Delta
Deal found 6/2![Delta logo]()
$304
This American Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:12 am
BIS
- SEA
2 stops11h 09m
American Airlines
Deal found 5/31![American Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:25 pm
BIS
- SEA
1 stop6h 45m
United Airlines
Deal found 6/4![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:25 pm
BIS
- SEA
1 stop6h 45m
United Airlines
Deal found 6/3![United Airlines logo]()
$447
This American Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:00 am
BIS
- SEA
1 stop10h 53m
American Airlines
Deal found 6/3![American Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:06 pm
BIS
- SEA
3 stops37h 42m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$720
Find flight deals from Bismarck to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $315 (Delta) |
One-way from | $263 (Kiwi.com) |
Popular in | June |
Cheapest in | July |
Average price | $560 |
Cheapflights Fare Finder
Customize your flight search to find flights from Bismarck to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 4, 2026.
Use the filters below to find and compare flights from Bismarck to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BismarckSeattle
BIS - SEA
BISSEA
Bismarck
Mon 6/29
11:16 am-5:00 pm
1 stop7h 44m
Seattle/Tacoma Intl
Wed 7/8
12:05 pm-7:46 pm
1 stop5h 41m
$315
Quickest round-trip
BismarckSeattle
BIS - SEA
BISSEA
Bismarck
Sat 8/29
6:00 am-10:01 am
1 stop6h 01m
Seattle/Tacoma Intl
Tue 9/1
3:54 pm-11:38 pm
1 stop5h 44m
$457
BismarckSeattle
BIS - SEA
BISSEA
Bismarck
Fri 7/3
5:42 pm-11:59 pm
1 stop8h 17m
Seattle/Tacoma Intl
Wed 7/8
11:59 pm-10:40 am
1 stop8h 41m
$503
BismarckSeattle
BIS - SEA
BISSEA
Bismarck
Wed 6/17
6:25 pm-11:10 pm
1 stop6h 45m
Seattle/Tacoma Intl
Wed 6/24
3:40 pm-11:41 pm
1 stop6h 01m
$544
BismarckSeattle
BIS - SEA
BISSEA
Bismarck
Sun 9/6
5:00 am-8:48 am
1 stop5h 48m
Seattle/Tacoma Intl
Sat 9/12
9:30 am-11:14 pm
2 stops11h 44m
$597
BismarckSeattle
BIS - SEA
BISSEA
Bismarck
Sat 6/27
5:42 pm-9:55 pm
1 stop6h 13m
Seattle/Tacoma Intl
Tue 7/7
11:59 pm-10:40 am
1 stop8h 41m
$609
Cheapest one-way
BismarckSeattle
BIS - SEA
BISSEA
Bismarck
Wed 6/17
9:56 pm-10:35 am
2 stops38h 39m
$263
BismarckSeattle
BIS - SEA
BISSEA
Bismarck
Mon 6/22
1:26 pm-8:46 pm
1 stop9h 20m
$304
BismarckSeattle
BIS - SEA
BISSEA
Bismarck
Fri 9/11
7:12 am-2:52 pm
1 stop9h 40m
$304
Quickest one-way
BismarckSeattle
BIS - SEA
BISSEA
Bismarck
Wed 6/17
6:25 pm-11:10 pm
1 stop6h 45m
$379
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Bismarck to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bismarck to Seattle in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Bismarck-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bismarck-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bismarck-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Bismarck-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bismarck-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Bismarck to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Bismarck with our price prediction graph.
BIS-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Bismarck to Seattle
What is the cheapest month to book a flight from Bismarck to Seattle?
Currently, July is the cheapest month in which you can book a flight from Bismarck to Seattle (average of $313). Flying from Bismarck to Seattle in June is currently the most expensive (average of $560). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Bismarck to Seattle?
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated June 4, 2026.
Read through reviews of airlines operating flights from Bismarck to Seattle, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Related info for your journey
Find useful and relevant information for your journey from Bismarck to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Bismarck and Seattle flights
Browse other Bismarck and Seattle flight options. Last updated on June 4, 2026.
Other flights from Bismarck
Browse through other flights departing from Bismarck. Flights are based on user searches made on Cheapflights and were last updated on June 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 4, 2026.
Top 2 airlines flying from Bismarck to Seattle
Discover the top 2 airlines that operate flights from Bismarck to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$325 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$287 | Average$468 | FlexibilityNo cancel fee | On-time69% |