$264+ Cheap flights from Portland to Bismarck (PDX - 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIS
Aug 5 — Aug 121
Round-trip
1 adult, Economy
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Find cheap flights from Portland 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
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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 Portland to Bismarck
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One-way
Cheapest flights from Portland to BismarckExplore the most affordable flight options available from Portland to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.
Explore the most affordable flight options available from Portland to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.
This Delta deal was found by Cheapflights users on 7/1. 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.
Sun 11/2211:39 am
PDX
- BIS
1 stop6h 18m
Delta
Fri 11/275:30 pm
BIS
- PDX
1 stop8h 17m
Delta
Deal found 7/1![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 7/3. 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.
Tue 9/812:25 am
PDX
- BIS
1 stop8h 07m
Delta
Mon 9/141:17 pm
BIS
- PDX
1 stop6h 14m
Delta
Deal found 7/3![Delta logo]()
$371
This Delta deal was found by Cheapflights users on 7/1. 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 9/712:25 am
PDX
- BIS
1 stop8h 07m
Delta
Wed 9/161:17 pm
BIS
- PDX
1 stop8h 59m
Delta
Deal found 7/1![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 7/1. 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.
Sat 11/216:15 am
PDX
- BIS
1 stop6h 10m
Delta
Fri 11/275:30 pm
BIS
- PDX
1 stop8h 17m
Delta
Deal found 7/1![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 7/3. 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.
Tue 7/1412:33 am
PDX
- BIS
1 stop8h 07m
Delta
Sun 7/198:00 am
BIS
- PDX
1 stop6h 38m
Delta
Deal found 7/3![Delta logo]()
$431
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 7/235:00 am
PDX
- BIS
1 stop5h 56m
United Airlines
Sun 7/266:25 pm
BIS
- PDX
1 stop6h 48m
United Airlines
Deal found 7/1![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 7/3. 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.
Fri 7/103:00 pm
PDX
- BIS
1 stop6h 11m
Delta
Sun 7/198:00 am
BIS
- PDX
1 stop6h 38m
Delta
Deal found 7/3![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 7/5. 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 7/1711:05 am
PDX
- BIS
1 stop7h 23m
United Airlines
Fri 7/246:25 pm
BIS
- PDX
1 stop6h 48m
United Airlines
Deal found 7/5![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 7/3. 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.
Mon 7/133:00 pm
PDX
- BIS
1 stop6h 11m
Delta
Sun 7/198:00 am
BIS
- PDX
1 stop6h 38m
Delta
Deal found 7/3![Delta logo]()
$464
Best flights from Portland to BismarckDiscover carefully curated flight deals from Portland to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 6, 2026.
Discover carefully curated flight deals from Portland to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 6, 2026.
This Delta deal was found by Cheapflights users on 7/5. 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 11/2211:39 am
PDX
- BIS
1 stop6h 18m
Delta
Thu 11/265:00 am
BIS
- PDX
1 stop7h 36m
Delta
Deal found 7/5![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 7/235:00 am
PDX
- BIS
1 stop5h 56m
United Airlines
Sun 7/266:25 pm
BIS
- PDX
1 stop6h 48m
United Airlines
Deal found 7/3![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 7/3. 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.
Thu 7/163:00 pm
PDX
- BIS
1 stop6h 11m
Delta
Sun 7/198:00 am
BIS
- PDX
1 stop6h 38m
Delta
Deal found 7/3![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 7/3. 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.
Wed 9/911:35 am
PDX
- BIS
1 stop6h 20m
Delta
Mon 9/141:17 pm
BIS
- PDX
2 stops10h 45m
Delta
Deal found 7/3![Delta logo]()
$489
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 8/264:07 pm
PDX
- BIS
1 stop5h 31m
United Airlines
Fri 8/289:00 am
BIS
- PDX
2 stops13h 59m
United Airlines
Deal found 7/1![United Airlines logo]()
$612
This Delta deal was found by Cheapflights users on 7/1. 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 11/233:10 pm
PDX
- BIS
1 stop6h 11m
Delta
Sun 11/293:00 pm
BIS
- PDX
1 stop10h 47m
Delta
Deal found 7/1![Delta logo]()
$537
This Delta deal was found by Cheapflights users on 7/1. 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.
Sun 11/2211:39 am
PDX
- BIS
1 stop6h 18m
Delta
Sat 11/283:00 pm
BIS
- PDX
2 stops9h 04m
Delta
Deal found 7/1![Delta logo]()
$541
This Delta deal was found by Cheapflights users on 7/5. 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 11/2311:39 am
PDX
- BIS
1 stop6h 18m
Delta
Sat 11/287:31 am
BIS
- PDX
1 stop6h 58m
Delta
Deal found 7/5![Delta logo]()
$559
This Delta deal was found by Cheapflights users on 7/3. 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.
Thu 7/163:00 pm
PDX
- BIS
1 stop6h 11m
Delta
Mon 7/201:27 pm
BIS
- PDX
1 stop8h 48m
Delta
Deal found 7/3![Delta logo]()
$588
This Delta deal was found by Cheapflights users on 7/1. 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.
Sat 11/216:15 am
PDX
- BIS
1 stop6h 10m
Delta
Sun 11/2912:35 pm
BIS
- PDX
1 stop13h 12m
Delta
Deal found 7/1![Delta logo]()
$611
Last-minute flights from Portland to BismarckDiscover last-minute flight deals from Portland to Bismarck. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Bismarck. Data last updated July 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/1. 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.
Thu 7/23:00 pm
PDX
- BIS
1 stop6h 14m
Delta
Fri 7/35:42 pm
BIS
- PDX
1 stop7h 36m
Delta
Deal found 7/1![Delta logo]()
$489
This Delta deal was found by Cheapflights users on 7/5. 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 7/91:45 pm
PDX
- BIS
1 stop7h 26m
Delta
Mon 7/135:40 pm
BIS
- PDX
1 stop7h 38m
Delta
Deal found 7/5![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 7/5. 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 7/95:00 am
PDX
- BIS
1 stop5h 56m
United Airlines
Mon 7/139:16 am
BIS
- PDX
2 stops9h 31m
United Airlines
Deal found 7/5![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 7/3. 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.
Fri 7/103:00 pm
PDX
- BIS
1 stop6h 11m
Delta
Sun 7/198:00 am
BIS
- PDX
1 stop6h 38m
Delta
Deal found 7/3![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 7/3. 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 7/111:45 pm
PDX
- BIS
1 stop7h 26m
Delta
Sun 7/198:00 am
BIS
- PDX
1 stop6h 38m
Delta
Deal found 7/3![Delta logo]()
$499
This Delta deal was found by Cheapflights users on 7/3. 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.
Mon 7/133:00 pm
PDX
- BIS
1 stop6h 11m
Delta
Sun 7/198:00 am
BIS
- PDX
1 stop6h 38m
Delta
Deal found 7/3![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 7/3. 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.
Tue 7/1412:33 am
PDX
- BIS
1 stop8h 07m
Delta
Sun 7/198:00 am
BIS
- PDX
1 stop6h 38m
Delta
Deal found 7/3![Delta logo]()
$431
This United Airlines deal was found by Cheapflights users on 7/5. 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 7/157:00 am
PDX
- BIS
2 stops11h 28m
United Airlines
Sat 7/186:05 am
BIS
- PDX
1 stop5h 42m
United Airlines
Deal found 7/5![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 7/5. 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 7/1711:05 am
PDX
- BIS
1 stop7h 23m
United Airlines
Fri 7/246:25 pm
BIS
- PDX
1 stop6h 48m
United Airlines
Deal found 7/5![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 7/235:00 am
PDX
- BIS
1 stop5h 56m
United Airlines
Sun 7/266:25 pm
BIS
- PDX
1 stop6h 48m
United Airlines
Deal found 7/1![United Airlines logo]()
$441
One-way flights from Portland to BismarckSearch for one-way flight options from Portland to Bismarck. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
Search for one-way flight options from Portland to Bismarck. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Sat 7/115:36 pm
PDX
- BIS
2 stops49h 38m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Sun 7/126:49 pm
PDX
- BIS
2 stops24h 25m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 7/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:25 am
PDX
- BIS
1 stop8h 07m
Delta
Deal found 7/6![Delta logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Thu 7/1612:20 pm
PDX
- BIS
2 stops30h 54m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 7/6. 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 9/229:00 am
PDX
- BIS
2 stops9h 33m
United Airlines
Deal found 7/6![United Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Thu 7/166:38 pm
PDX
- BIS
1 stop24h 36m
Allegiant Air
Deal found 7/2![Allegiant Air logo]()
$353
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/811:05 am
PDX
- BIS
1 stop7h 23m
United Airlines
Deal found 7/3![United Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Sat 8/812:20 pm
PDX
- BIS
3 stops55h 08m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 7/5. 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 9/216:30 am
PDX
- BIS
2 stops14h 22m
American Airlines
Deal found 7/5![American Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/1111:05 am
PDX
- BIS
1 stop7h 23m
United Airlines
Deal found 7/2![United Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:46 pm
PDX
- BIS
3 stops36h 54m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$383
Find flight deals from Portland to Bismarck
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 July 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (Delta) |
One-way from | $264 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $399 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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 July 6, 2026.
Use the filters below to find and compare flights from Portland to Bismarck that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Sun 11/22
11:39 am-7:57 pm
1 stop6h 18m
Bismarck
Thu 11/26
5:00 am-10:36 am
1 stop7h 36m
$319
Quickest round-trip
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Thu 7/23
5:00 am-12:56 pm
1 stop5h 56m
Bismarck
Sun 7/26
6:25 pm-11:13 pm
1 stop6h 48m
$449
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Thu 7/16
3:00 pm-11:11 pm
1 stop6h 11m
Bismarck
Sun 7/19
8:00 am-12:38 pm
1 stop6h 38m
$464
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Wed 9/9
11:35 am-7:55 pm
1 stop6h 20m
Bismarck
Mon 9/14
1:17 pm-10:02 pm
2 stops10h 45m
$489
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Mon 11/23
3:10 pm-11:21 pm
1 stop6h 11m
Bismarck
Sun 11/29
3:00 pm-11:47 pm
1 stop10h 47m
$537
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Sun 11/22
11:39 am-7:57 pm
1 stop6h 18m
Bismarck
Sat 11/28
3:00 pm-10:04 pm
2 stops9h 04m
$541
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Mon 11/23
11:39 am-7:57 pm
1 stop6h 18m
Bismarck
Sat 11/28
7:31 am-12:29 pm
1 stop6h 58m
$559
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Thu 7/16
3:00 pm-11:11 pm
1 stop6h 11m
Bismarck
Mon 7/20
1:27 pm-8:15 pm
1 stop8h 48m
$588
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Sat 11/21
6:15 am-2:25 pm
1 stop6h 10m
Bismarck
Sun 11/29
12:35 pm-11:47 pm
1 stop13h 12m
$611
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Wed 8/26
4:07 pm-11:38 pm
1 stop5h 31m
Bismarck
Fri 8/28
9:00 am-8:59 pm
2 stops13h 59m
$612
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Portland 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 Portland to Bismarck in July.
| 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 Portland-Bismarck flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Bismarck flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Bismarck flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-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 Portland-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 Portland to Bismarck
Have a flexible travel schedule? Discover the best time to fly to Bismarck from Portland with our price prediction graph.
PDX-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 Portland to Bismarck
What is the cheapest month to book a flight from Portland to Bismarck?
Currently, February is the cheapest month in which you can book a flight from Portland to Bismarck (average of $279). Flying from Portland to Bismarck in March is currently the most expensive (average of $802). 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 Portland 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 July 6, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Portland to Bismarck. 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.
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Portland to Bismarck. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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 July 6, 2026.
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Portland and Bismarck flights
Browse other Portland and Bismarck flight options. Last updated on July 6, 2026.
Other flights from Portland
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Top 2 airlines flying from Portland to Bismarck
Discover the top 2 airlines that operate flights from Portland 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 July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$279 | Average$569 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$328 | Average$529 | FlexibilityNo cancel fee | On-time69% |