$126+ Cheap flights from Seattle to Bismarck (SEA - BIS)
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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BIS
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Bismarck 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Seattle to Bismarck
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Cheapest flights from Seattle to BismarckExplore the most affordable flight options available from Seattle to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
Explore the most affordable flight options available from Seattle to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/99:45 pm -
1 stop14h 05m
Sun 9/201:30 pm -
1 stop22h 12m
Deal found 8/7![Multiple Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Thu 9/242:27 pm -
1 stop7h 16m
Sat 10/35:00 pm -
1 stop6h 15m
Deal found 8/7![United Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 8/7. 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 9/111:59 pm -
1 stop8h 31m
Sat 9/55:36 pm -
1 stop6h 24m
Deal found 8/7![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/23:54 pm -
1 stop5h 44m
Sat 9/129:20 am -
2 stops11h 09m
Deal found 8/11![United Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 8/7. 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 9/111:59 pm -
1 stop8h 31m
Tue 9/85:40 pm -
1 stop8h 15m
Deal found 8/7![Delta logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/309:45 pm -
1 stop21h 40m
Sun 10/410:41 pm -
2 stops21h 55m
Deal found 8/9![Multiple Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/115:00 am -
1 stop5h 51m
Sat 9/266:00 am -
1 stop6h 01m
Deal found 8/8![United Airlines logo]()
$381
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 8/257:11 am -
2 stops11h 22m
Sat 8/291:40 pm -
2 stops9h 03m
Deal found 8/10![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/305:00 am -
1 stop6h 01m
Sat 10/35:00 pm -
1 stop6h 15m
Deal found 8/9![United Airlines logo]()
$390
Best flights from Seattle to BismarckDiscover carefully curated flight deals from Seattle to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
Discover carefully curated flight deals from Seattle to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
This Delta deal was found by Cheapflights users on 8/7. 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 9/111:59 pm -
1 stop8h 31m
Sat 9/55:36 pm -
1 stop6h 24m
Deal found 8/7![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 8/257:11 am -
2 stops11h 22m
Sat 8/291:40 pm -
2 stops9h 03m
Deal found 8/10![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 8/8. 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 10/236:00 am -
1 stop6h 38m
Mon 10/265:42 pm -
1 stop8h 17m
Deal found 8/8![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/29:05 am -
2 stops12h 33m
Sat 9/129:20 am -
2 stops11h 09m
Deal found 8/11![United Airlines logo]()
$426
This Delta deal was found by Cheapflights users on 8/10. 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 8/2511:59 pm -
1 stop8h 31m
Sat 8/295:36 pm -
1 stop6h 24m
Deal found 8/10![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/58:40 am -
1 stop5h 46m
Sat 9/129:20 am -
2 stops13h 23m
Deal found 8/8![United Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 8/8. 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 10/233:55 pm -
1 stop5h 48m
Mon 10/265:02 pm -
2 stops9h 57m
Deal found 8/8![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Thu 9/175:00 am -
1 stop5h 51m
Sat 9/195:15 pm -
1 stop6h 16m
Deal found 8/9![United Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/105:00 am -
1 stop5h 51m
Wed 9/166:00 am -
2 stops12h 14m
Deal found 8/11![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Tue 9/13:54 pm -
1 stop5h 44m
Mon 9/76:00 am -
1 stop6h 01m
Deal found 8/6![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 8/8. 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 8/225:00 am -
1 stop5h 56m
Sat 9/196:00 am -
2 stops12h 14m
Deal found 8/8![United Airlines logo]()
$590
Last-minute flights from Seattle to BismarckDiscover last-minute flight deals from Seattle to Bismarck. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bismarck. Data last updated August 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 8/257:11 am -
2 stops11h 22m
Sat 8/291:40 pm -
2 stops9h 03m
Deal found 8/10![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 8/7. 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 9/111:59 pm -
1 stop8h 31m
Sat 9/55:36 pm -
1 stop6h 24m
Deal found 8/7![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 8/7. 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 9/111:59 pm -
1 stop8h 31m
Tue 9/85:40 pm -
1 stop8h 15m
Deal found 8/7![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/23:54 pm -
1 stop5h 44m
Sat 9/129:20 am -
2 stops11h 09m
Deal found 8/11![United Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/99:45 pm -
1 stop14h 05m
Sun 9/201:30 pm -
1 stop22h 12m
Deal found 8/7![Multiple Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/115:00 am -
1 stop5h 51m
Sat 9/266:00 am -
1 stop6h 01m
Deal found 8/8![United Airlines logo]()
$381
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Thu 9/242:27 pm -
1 stop7h 16m
Sat 10/35:00 pm -
1 stop6h 15m
Deal found 8/7![United Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/309:45 pm -
1 stop21h 40m
Sun 10/410:41 pm -
2 stops21h 55m
Deal found 8/9![Multiple Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/305:00 am -
1 stop6h 01m
Sat 10/35:00 pm -
1 stop6h 15m
Deal found 8/9![United Airlines logo]()
$390
One-way flights from Seattle to BismarckSearch for one-way flight options from Seattle to Bismarck. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
Search for one-way flight options from Seattle to Bismarck. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 10/79:45 pm -
1 stop21h 41m
Deal found 8/7![Multiple Airlines logo]()
$126
This Delta deal was found by Cheapflights users on 8/9. 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 9/811:59 pm -
1 stop8h 33m
Deal found 8/9![Delta logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Tue 9/810:59 pm -
3 stops36h 51m
Deal found 8/9![Multiple Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 8/11. 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 8/2411:59 pm -
1 stop8h 31m
Deal found 8/11![Delta logo]()
$452
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/75:00 am -
1 stop16h 38m
Deal found 8/7![United Airlines logo]()
$483
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/1411:56 pm -
1 stop10h 35m
Deal found 8/10![American Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/1410:55 am -
2 stops10h 43m
Deal found 8/10![United Airlines logo]()
$519
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Mon 8/2411:56 pm -
2 stops11h 29m
Deal found 8/11![American Airlines logo]()
$520
Find flight deals from Seattle to Bismarck
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Bismarck (BIS). 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 August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $314 (Kiwi.com) |
One-way from | $126 (Kiwi.com) |
Popular in | September |
Cheapest in | February |
Average price | $519 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Bismarck 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 August 11, 2026.
Use the filters below to find and compare flights from Seattle to Bismarck that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBismarck
SEA Seattle/Tacoma Intl - BIS Bismarck
SEABIS
Seattle/Tacoma Intl
Tue 9/1
11:59 pm-10:30 am
1 stop8h 31m
Bismarck
Sat 9/5
5:36 pm-10:00 pm
1 stop6h 24m
$329
SeattleBismarck
SEA Seattle/Tacoma Intl - BIS Bismarck
SEABIS
Seattle/Tacoma Intl
Fri 10/23
6:00 am-2:38 pm
1 stop6h 38m
Bismarck
Mon 10/26
5:42 pm-11:59 pm
1 stop8h 17m
$329
SeattleBismarck
SEA Seattle/Tacoma Intl - BIS Bismarck
SEABIS
Seattle/Tacoma Intl
Tue 8/25
7:11 am-8:33 pm
2 stops11h 22m
Bismarck
Sat 8/29
1:40 pm-8:43 pm
2 stops9h 03m
$389
SeattleBismarck
SEA Seattle/Tacoma Intl - BIS Bismarck
SEABIS
Seattle/Tacoma Intl
Tue 8/25
11:59 pm-10:30 am
1 stop8h 31m
Bismarck
Sat 8/29
5:36 pm-10:00 pm
1 stop6h 24m
$424
SeattleBismarck
SEA Seattle/Tacoma Intl - BIS Bismarck
SEABIS
Seattle/Tacoma Intl
Wed 9/2
9:05 am-11:38 pm
2 stops12h 33m
Bismarck
Sat 9/12
9:20 am-6:29 pm
2 stops11h 09m
$426
SeattleBismarck
SEA Seattle/Tacoma Intl - BIS Bismarck
SEABIS
Seattle/Tacoma Intl
Sat 9/5
8:40 am-4:26 pm
1 stop5h 46m
Bismarck
Sat 9/12
9:20 am-8:43 pm
2 stops13h 23m
$446
SeattleBismarck
SEA Seattle/Tacoma Intl - BIS Bismarck
SEABIS
Seattle/Tacoma Intl
Fri 10/23
3:55 pm-11:43 pm
1 stop5h 48m
Bismarck
Mon 10/26
5:02 pm-12:59 am
2 stops9h 57m
$449
SeattleBismarck
SEA Seattle/Tacoma Intl - BIS Bismarck
SEABIS
Seattle/Tacoma Intl
Thu 9/17
5:00 am-12:51 pm
1 stop5h 51m
Bismarck
Sat 9/19
5:15 pm-9:31 pm
1 stop6h 16m
$468
SeattleBismarck
SEA Seattle/Tacoma Intl - BIS Bismarck
SEABIS
Seattle/Tacoma Intl
Thu 9/10
5:00 am-12:51 pm
1 stop5h 51m
Bismarck
Wed 9/16
6:00 am-4:14 pm
2 stops12h 14m
$499
Quickest round-trip
SeattleBismarck
SEA Seattle/Tacoma Intl - BIS Bismarck
SEABIS
Seattle/Tacoma Intl
Tue 9/1
3:54 pm-11:38 pm
1 stop5h 44m
Bismarck
Mon 9/7
6:00 am-10:01 am
1 stop6h 01m
$538
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Seattle to Bismarck
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 Seattle to Bismarck in August.
| 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 Seattle-Bismarck flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Bismarck flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Bismarck flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Bismarck 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 Seattle-Bismarck 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 Seattle to Bismarck
Have a flexible travel schedule? Discover the best time to fly to Bismarck from Seattle with our price prediction graph.
SEA-BIS
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 Seattle to Bismarck
Reviews of airlines servicing Bismarck
Get insights into the airlines that provide service to Bismarck. 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 Bismarck. Reviews last updated August 11, 2026.
Get a feel of what it's like to fly with Delta and United Airlines from Seattle to Bismarck by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Seattle to Bismarck. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Bismarck flight routes
Complete your trip
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Other flights to Bismarck
Explore flights to Bismarck departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 11, 2026.
Complete your trip
Complete your trip to Bismarck by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Bismarck by cabin class
Find flights from Seattle to Bismarck, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Bismarck flights
Browse other Seattle and Bismarck flight options. Last updated on August 11, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on August 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Seattle to Bismarck
Discover the top 2 airlines that operate flights from Seattle to Bismarck. 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 August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$305 | Average$502 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$343 | Average$468 | FlexibilityNo cancel fee | On-timeN/A |