$350+ Cheap flights from Bismarck (BIS) to Washington
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — SEA
Nov 19 — Nov 261
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Bismarck to Washington 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 Bismarck to Washington
Cheapest
Best
Last-minute
One-way
Cheapest flights from Bismarck to WashingtonExplore the most affordable flight options available from Bismarck to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
Explore the most affordable flight options available from Bismarck to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
This Delta deal was found by Cheapflights users on 10/19. 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 11/128:03 am -
1 stop6h 03m
Tue 11/176:25 am -
1 stop8h 16m
Deal found 10/19![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 10/19. 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 11/203:13 pm -
1 stop7h 33m
Thu 11/266:00 am -
1 stop6h 54m
Deal found 10/19![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 10/20. 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 12/243:54 pm -
1 stop6h 40m
Sun 12/276:00 am -
1 stop8h 50m
Deal found 10/20![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/18. 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 10/265:02 pm -
1 stop6h 17m
Sat 10/318:30 am -
1 stop5h 57m
Deal found 10/18![United Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 10/19. 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 11/312:40 pm -
2 stops11h 02m
Sat 11/712:21 pm -
2 stops9h 04m
Deal found 10/19![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/249:05 am -
2 stops11h 15m
Wed 10/285:00 am -
1 stop5h 27m
Deal found 10/16![United Airlines logo]()
$554
This Delta deal was found by Cheapflights users on 10/19. 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 10/295:39 pm -
1 stop8h 20m
Sun 11/16:00 am -
1 stop8h 26m
Deal found 10/19![Delta logo]()
$574
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 11/249:45 pm -
1 stop16h 54m
Sun 11/291:29 pm -
1 stop28h 38m
Deal found 10/18![Allegiant Air logo]()
$650
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/295:50 am -
1 stop5h 57m
Sun 11/15:05 am -
1 stop5h 22m
Deal found 10/16![United Airlines logo]()
$667
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 11/238:56 pm -
1 stop13h 05m
Sun 11/291:29 pm -
1 stop28h 38m
Deal found 10/18![Allegiant Air logo]()
$684
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 10/297:00 am -
1 stop9h 52m
Sat 10/3112:34 am -
2 stops11h 54m
Deal found 10/19![American Airlines logo]()
$690
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/35:02 pm -
1 stop5h 56m
Sat 11/75:10 am -
1 stop13h 19m
Deal found 10/19![United Airlines logo]()
$708
Best flights from Bismarck to WashingtonDiscover carefully curated flight deals from Bismarck to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
Discover carefully curated flight deals from Bismarck to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
This Delta deal was found by Cheapflights users on 10/19. 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 11/128:03 am -
1 stop6h 03m
Tue 11/176:25 am -
1 stop8h 16m
Deal found 10/19![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/19. 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 1/64:58 pm -
1 stop6h 08m
Sat 1/91:47 pm -
1 stop7h 57m
Deal found 10/19![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/249:05 am -
2 stops11h 15m
Wed 10/285:00 am -
1 stop5h 27m
Deal found 10/16![United Airlines logo]()
$554
This Delta deal was found by Cheapflights users on 10/18. 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 12/243:54 pm -
1 stop6h 40m
Sun 12/273:50 pm -
1 stop5h 50m
Deal found 10/18![Delta logo]()
$633
This United Airlines deal was found by Cheapflights users on 10/19. 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 1/84:58 pm -
1 stop6h 19m
Tue 1/127:00 am -
3 stops27h 48m
Deal found 10/19![United Airlines logo]()
$619
This Delta deal was found by Cheapflights users on 10/19. 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 11/203:13 pm -
1 stop7h 33m
Thu 11/269:40 am -
2 stops7h 51m
Deal found 10/19![Delta logo]()
$767
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/35:02 pm -
1 stop5h 56m
Sat 11/75:10 am -
1 stop13h 19m
Deal found 10/19![United Airlines logo]()
$708
This Delta deal was found by Cheapflights users on 10/18. 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 11/153:13 pm -
1 stop6h 31m
Sun 11/227:05 am -
1 stop7h 36m
Deal found 10/18![Delta logo]()
$787
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Sun 11/15:02 pm -
1 stop6h 09m
Thu 11/54:10 pm -
1 stop5h 34m
Deal found 10/17![United Airlines logo]()
$757
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/25:02 pm -
1 stop6h 09m
Fri 11/61:45 pm -
1 stop8h 01m
Deal found 10/18![United Airlines logo]()
$757
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/235:30 am -
1 stop19h 46m
Mon 1/114:00 pm -
1 stop5h 44m
Deal found 10/20![United Airlines logo]()
$777
This United Airlines deal was found by Cheapflights users on 10/19. 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 1/84:58 pm -
1 stop22h 13m
Tue 1/1212:40 pm -
1 stop5h 52m
Deal found 10/19![United Airlines logo]()
$779
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/25:02 pm -
1 stop6h 17m
Fri 11/65:05 am -
1 stop5h 22m
Deal found 10/18![United Airlines logo]()
$787
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/239:00 am -
1 stop6h 06m
Sat 11/285:10 am -
1 stop9h 17m
Deal found 10/18![United Airlines logo]()
$914
Last-minute flights from Bismarck to WashingtonDiscover last-minute flight deals from Bismarck to Washington. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Bismarck to Washington. Data last updated October 20, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/249:05 am -
2 stops11h 15m
Wed 10/285:00 am -
1 stop5h 27m
Deal found 10/16![United Airlines logo]()
$554
This United Airlines deal was found by Cheapflights users on 10/18. 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 10/265:02 pm -
1 stop6h 17m
Sat 10/318:30 am -
1 stop5h 57m
Deal found 10/18![United Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 10/19. 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 10/295:39 pm -
1 stop8h 20m
Sun 11/16:00 am -
1 stop8h 26m
Deal found 10/19![Delta logo]()
$574
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/295:50 am -
1 stop5h 57m
Sun 11/15:05 am -
1 stop5h 22m
Deal found 10/16![United Airlines logo]()
$667
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 10/297:00 am -
1 stop9h 52m
Sat 10/3112:34 am -
2 stops11h 54m
Deal found 10/19![American Airlines logo]()
$690
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Sun 11/15:02 pm -
1 stop6h 09m
Thu 11/54:10 pm -
1 stop5h 34m
Deal found 10/17![United Airlines logo]()
$757
This Delta deal was found by Cheapflights users on 10/19. 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 11/312:40 pm -
2 stops11h 02m
Sat 11/712:21 pm -
2 stops9h 04m
Deal found 10/19![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/35:02 pm -
1 stop5h 56m
Sat 11/75:10 am -
1 stop13h 19m
Deal found 10/19![United Airlines logo]()
$708
This Delta deal was found by Cheapflights users on 10/19. 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 11/128:03 am -
1 stop6h 03m
Tue 11/176:25 am -
1 stop8h 16m
Deal found 10/19![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 10/19. 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 11/203:13 pm -
1 stop7h 33m
Thu 11/266:00 am -
1 stop6h 54m
Deal found 10/19![Delta logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 11/238:56 pm -
1 stop13h 05m
Sun 11/291:29 pm -
1 stop28h 38m
Deal found 10/18![Allegiant Air logo]()
$684
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 11/249:45 pm -
1 stop16h 54m
Sun 11/291:29 pm -
1 stop28h 38m
Deal found 10/18![Allegiant Air logo]()
$650
One-way flights from Bismarck to WashingtonSearch for one-way flight options from Bismarck to Washington. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
Search for one-way flight options from Bismarck to Washington. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 12/312:09 pm -
1 stop8h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 10/18. 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 11/28:11 am -
1 stop6h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 10/16. 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 10/273:18 pm -
1 stop7h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Delta logo]()
$407
This United Airlines deal was found by Cheapflights users on 10/20. 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 10/275:50 am -
2 stops10h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Wed 12/306:45 am -
1 stop10h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/319:03 am -
2 stops29h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/305:30 am -
2 stops32h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$538
Find flight deals from Bismarck to Washington
Keep the following information in mind while searching for Bismarck to Washington flight deals. Data was last updated October 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Delta) |
One-way from | $350 (American Airlines) |
Popular in | June |
Cheapest in | July |
Average price | $664 |
Cheapflights Fare Finder
Customize your flight search to find flights from Bismarck to Washington 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 7,457,451 searches. Data last updated October 20, 2026.
Use the filters below to find and compare flights from Bismarck to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BismarckSeattle
BIS Bismarck - SEA Seattle/Tacoma Intl
BISSEA
Bismarck
Thu 12/31
2:09 pm-8:22 pm
1 stop8h 13m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$350
BismarckSpokane
BIS Bismarck - GEG Spokane
BISGEG
Bismarck
Thu 11/12
8:03 am-12:06 pm
1 stop6h 03m
Spokane
Tue 11/17
6:25 am-4:41 pm
1 stop8h 16m
$359
Quickest round-trip
BismarckSpokane
BIS Bismarck - GEG Spokane
BISGEG
Bismarck
Tue 11/3
8:11 am-12:15 pm
1 stop6h 04m
Spokane
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$379
BismarckSpokane
BIS Bismarck - GEG Spokane
BISGEG
Bismarck
Mon 11/2
8:11 am-12:15 pm
1 stop6h 04m
Spokane
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$379
BismarckSeattle
BIS Bismarck - SEA Seattle/Tacoma Intl
BISSEA
Bismarck
Tue 10/27
5:50 am-2:39 pm
2 stops10h 49m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$412
BismarckSpokane
BIS Bismarck - GEG Spokane
BISGEG
Bismarck
Wed 1/6
4:58 pm-9:06 pm
1 stop6h 08m
Spokane
Sat 1/9
1:47 pm-11:44 pm
1 stop7h 57m
$459
BismarckSeattle
BIS Bismarck - SEA Seattle/Tacoma Intl
BISSEA
Bismarck
Wed 12/30
6:45 am-2:57 pm
1 stop10h 12m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$478
BismarckSeattle
BIS Bismarck - SEA Seattle/Tacoma Intl
BISSEA
Bismarck
Wed 12/30
5:30 am-12:22 pm
2 stops32h 52m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$538
BismarckSpokane
BIS Bismarck - GEG Spokane
BISGEG
Bismarck
Sat 10/24
9:05 am-6:20 pm
2 stops11h 15m
Spokane
Wed 10/28
5:00 am-12:27 pm
1 stop5h 27m
$554
BismarckSeattle
BIS Bismarck - SEA Seattle/Tacoma Intl
BISSEA
Bismarck
Fri 1/8
4:58 pm-9:17 pm
1 stop6h 19m
Seattle/Tacoma Intl
Tue 1/12
7:00 am-12:48 pm
3 stops27h 48m
$619
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Bismarck to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Bismarck with our price prediction graph.
BIS-GEG
BIS-SEA
BIS-PSC
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 Washington
BIS-USWA
BIS-GEG
BIS-SEA
BIS-PSC
What is the cheapest month to book a flight from Bismarck to State of Washington?
Currently, July is the cheapest month in which you can book a flight from Bismarck to State of Washington (average of $264). Flying from Bismarck to State of Washington in June is currently the most expensive (average of $741). 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 State of Washington?
Airfare is typical for this route at the moment.
Bismarck to State of Washington flights typically cost between $362 and $595 in November.The cheapest round-trip price found within the last 5 days was $374 on Delta (Nov 20-Nov 26).
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated October 20, 2026.
See what other customers who have flown with Delta and United Airlines from Bismarck to Washington have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayPeter,Oct 2023
MSP - GEG
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayPeter,Oct 2023
MSP - GEG
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayPeter,Oct 2023
MSP - GEG
Related info for your journey
Find useful and relevant information for your journey from Bismarck to Washington. 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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Bismarck to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Bismarck to Washington by cabin class
Find flights from Bismarck to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Bismarck and Washington flights
Browse other Bismarck and Washington flight options. Last updated on October 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Bismarck to Washington flights
Consider these flights traveling from Bismarck to Washington.
Top 2 airlines flying from Bismarck to Washington
Discover the top 2 airlines that operate flights from Bismarck to Washington. 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 7,457,451 searches. Data last updated October 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$440 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$310 | Average$469 | FlexibilityNo cancel fee | On-time69% |