$319+ Cheap flights from Bismarck to Portland (BIS - PDX)
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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — PDX
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Find cheap flights from Bismarck to Portland 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 Portland
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One-way
Cheapest flights from Bismarck to PortlandExplore the most affordable flight options available from Bismarck to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
Explore the most affordable flight options available from Bismarck to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
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 stop6h 11m
Sat 11/75:00 am -
1 stop5h 27m
Deal found 10/19![United Airlines logo]()
$399
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:39 pm -
1 stop8h 05m
Sat 10/313:00 pm -
1 stop6h 25m
Deal found 10/17![Delta logo]()
$444
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.
Sat 10/249:05 am -
1 stop8h 00m
Wed 10/285:00 am -
1 stop5h 27m
Deal found 10/17![United Airlines logo]()
$473
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.
Sat 12/128:00 am -
1 stop6h 27m
Sat 1/27:41 pm -
2 stops19h 09m
Deal found 10/19![Delta logo]()
$487
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:15 pm -
1 stop8h 29m
Tue 10/276:00 am -
1 stop8h 51m
Deal found 10/17![Delta logo]()
$501
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:15 pm -
1 stop8h 29m
Thu 10/293:22 pm -
1 stop6h 03m
Deal found 10/17![Delta logo]()
$509
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 12/111:15 pm -
2 stops13h 28m
Sat 1/24:28 pm -
1 stop5h 16m
Deal found 10/19![United Airlines logo]()
$519
Best flights from Bismarck to PortlandDiscover carefully curated flight deals from Bismarck to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
Discover carefully curated flight deals from Bismarck to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
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.
Sat 10/246:00 am -
2 stops8h 10m
Wed 10/2810:59 am -
2 stops10h 45m
Deal found 10/17![United Airlines logo]()
$483
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:39 pm -
1 stop8h 05m
Sat 10/3111:51 am -
1 stop6h 04m
Deal found 10/17![Delta logo]()
$529
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 12/115:40 am -
1 stop5h 56m
Sat 1/24:28 pm -
1 stop5h 16m
Deal found 10/19![United Airlines logo]()
$547
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 12/115:41 pm -
2 stops16h 52m
Sat 1/27:41 pm -
2 stops19h 09m
Deal found 10/19![Delta logo]()
$585
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.
Sat 12/121:15 pm -
1 stop6h 52m
Sat 1/24:28 pm -
1 stop5h 16m
Deal found 10/20![United Airlines logo]()
$593
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.
Sat 12/128:00 am -
2 stops11h 19m
Sat 1/27:41 pm -
2 stops19h 09m
Deal found 10/19![Delta logo]()
$640
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 11/19:00 am -
2 stops14h 02m
Thu 11/57:10 am -
2 stops11h 19m
Deal found 10/17![United Airlines logo]()
$798
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 10/255:00 am -
1 stop7h 34m
Wed 10/2811:51 am -
1 stop6h 04m
Deal found 10/18![Delta logo]()
$878
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.
Mon 10/265:50 am -
1 stop5h 46m
Fri 10/307:10 am -
3 stops31h 17m
Deal found 10/17![United Airlines logo]()
$842
Last-minute flights from Bismarck to PortlandDiscover last-minute flight deals from Bismarck to Portland. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Bismarck to Portland. Data last updated October 22, 2026 and is based on user searches.
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.
Sat 10/249:05 am -
1 stop8h 00m
Wed 10/285:00 am -
1 stop5h 27m
Deal found 10/17![United Airlines logo]()
$473
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:15 pm -
1 stop8h 29m
Tue 10/276:00 am -
1 stop8h 51m
Deal found 10/17![Delta logo]()
$501
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:15 pm -
1 stop8h 29m
Thu 10/293:22 pm -
1 stop6h 03m
Deal found 10/17![Delta logo]()
$509
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:07 pm -
1 stop9h 04m
Thu 10/2911:58 am -
1 stop9h 01m
Deal found 10/17![American Airlines logo]()
$591
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:39 pm -
1 stop8h 05m
Sat 10/3111:51 am -
1 stop6h 04m
Deal found 10/17![Delta logo]()
$529
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:39 pm -
1 stop8h 05m
Sat 10/313:00 pm -
1 stop6h 25m
Deal found 10/17![Delta logo]()
$444
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 stop6h 11m
Sat 11/75:00 am -
1 stop5h 27m
Deal found 10/19![United Airlines logo]()
$399
One-way flights from Bismarck to PortlandSearch for one-way flight options from Bismarck to Portland. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
Search for one-way flight options from Bismarck to Portland. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
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 12/114:55 pm -
1 stop6h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$319
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.
Sat 12/121:15 pm -
2 stops11h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/41:11 pm -
1 stop8h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/45:50 am -
2 stops10h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$399
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.
Mon 10/265:50 am -
1 stop5h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![United Airlines logo]()
$472
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:29 pm -
3 stops49h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$488
Find flight deals from Bismarck to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) to Portland (PDX). 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 October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $399 (United Airlines) |
One-way from | $319 (United Airlines) |
Popular in | April |
Cheapest in | October |
Average price | $310 |
Cheapflights Fare Finder
Customize your flight search to find flights from Bismarck to Portland 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 22, 2026.
Use the filters below to find and compare flights from Bismarck to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BismarckPortland
BIS Bismarck - PDX Portland
BISPDX
Bismarck
Fri 12/11
4:55 pm-9:15 pm
1 stop6h 20m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$319
BismarckPortland
BIS Bismarck - PDX Portland
BISPDX
Bismarck
Sat 12/12
1:15 pm-10:45 pm
2 stops11h 30m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$379
BismarckPortland
BIS Bismarck - PDX Portland
BISPDX
Bismarck
Wed 11/4
1:11 pm-7:47 pm
1 stop8h 36m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$394
BismarckPortland
BIS Bismarck - PDX Portland
BISPDX
Bismarck
Wed 11/4
5:50 am-2:34 pm
2 stops10h 44m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$399
Quickest round-trip
BismarckPortland
BIS Bismarck - PDX Portland
BISPDX
Bismarck
Mon 10/26
5:50 am-9:36 am
1 stop5h 46m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$472
BismarckPortland
BIS Bismarck - PDX Portland
BISPDX
Bismarck
Sat 10/24
6:00 am-12:10 pm
2 stops8h 10m
Portland
Wed 10/28
10:59 am-11:44 pm
2 stops10h 45m
$483
BismarckPortland
BIS Bismarck - PDX Portland
BISPDX
Bismarck
Sun 10/25
5:39 pm-11:44 pm
1 stop8h 05m
Portland
Sat 10/31
11:51 am-7:55 pm
1 stop6h 04m
$529
BismarckPortland
BIS Bismarck - PDX Portland
BISPDX
Bismarck
Fri 12/11
5:40 am-9:36 am
1 stop5h 56m
Portland
Sat 1/2
4:28 pm-11:44 pm
1 stop5h 16m
$547
BismarckPortland
BIS Bismarck - PDX Portland
BISPDX
Bismarck
Fri 12/11
5:41 pm-8:33 am
2 stops16h 52m
Portland
Sat 1/2
7:41 pm-4:50 pm
2 stops19h 09m
$585
BismarckPortland
BIS Bismarck - PDX Portland
BISPDX
Bismarck
Sat 12/12
1:15 pm-6:07 pm
1 stop6h 52m
Portland
Sat 1/2
4:28 pm-11:44 pm
1 stop5h 16m
$593
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Bismarck to Portland
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 Portland in October.
| 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-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bismarck-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bismarck-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Bismarck-Portland 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-Portland 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 Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Bismarck with our price prediction graph.
BIS-PDX
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 Portland
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated October 22, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Bismarck to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Bismarck to Portland. 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 Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Durham
Cannon Beach
Longview
Lake Oswego
Vancouver
Kelso
Troutdale
Lincoln City
Clackamas
McMinnville
The Dalles
Wilsonville
Stevenson
Hillsboro
Tillamook
Astoria
Gresham
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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 Portland flights
Browse other Bismarck and Portland flight options. Last updated on October 22, 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 October 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.
Top 2 airlines flying from Bismarck to Portland
Discover the top 2 airlines that operate flights from Bismarck to Portland. 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 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$271 | Average$324 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$362 | Average$724 | FlexibilityNo cancel fee | On-time69% |