$255+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIS
Jun 19 — Jun 261
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Bismarck with Cheapflights
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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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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 May 20, 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 May 20, 2026.
This Delta deal was found by Cheapflights users on 5/18. 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 10/83:10 pm
PDX
- BIS
1 stop6h 11m
Delta
Mon 10/125:30 pm
BIS
- PDX
1 stop8h 17m
Delta
Deal found 5/18![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 5/19. 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.
Wed 7/293:00 pm
PDX
- BIS
1 stop6h 11m
Delta
Thu 8/65:36 pm
BIS
- PDX
1 stop7h 49m
Delta
Deal found 5/19![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 5/19. 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.
Sun 8/212:32 am
PDX
- BIS
1 stop7h 58m
Delta
Tue 8/111:27 pm
BIS
- PDX
1 stop8h 50m
Delta
Deal found 5/19![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 5/19. 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 7/304:15 pm
PDX
- BIS
1 stop5h 26m
United Airlines
Fri 8/76:25 pm
BIS
- PDX
1 stop6h 48m
United Airlines
Deal found 5/19![United Airlines logo]()
$432
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:34 pm
PDX
- BIS
1 stop8h 23m
American Airlines
Mon 6/812:47 pm
BIS
- PDX
1 stop10h 34m
American Airlines
Deal found 5/16![American Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Fri 7/244:15 pm
PDX
- BIS
1 stop5h 26m
United Airlines
Fri 8/76:25 pm
BIS
- PDX
1 stop6h 48m
United Airlines
Deal found 5/17![United Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 5/19. 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.
Sun 7/126:38 pm
PDX
- BIS
1 stop24h 36m
Multiple Airlines
Thu 7/1612:06 pm
BIS
- PDX
1 stop7h 58m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 5/20. 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 5/3011:05 am
PDX
- BIS
1 stop7h 23m
United Airlines
Wed 6/36:25 pm
BIS
- PDX
1 stop6h 33m
United Airlines
Deal found 5/20![United Airlines logo]()
$544
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 7/295:16 pm
PDX
- BIS
2 stops16h 00m
Multiple Airlines
Thu 8/612:34 pm
BIS
- PDX
1 stop7h 30m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$554
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 May 20, 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 May 20, 2026.
This Delta deal was found by Cheapflights users on 5/19. 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.
Sun 8/212:32 am
PDX
- BIS
1 stop7h 58m
Delta
Tue 8/111:27 pm
BIS
- PDX
1 stop8h 50m
Delta
Deal found 5/19![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 5/19. 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 7/304:15 pm
PDX
- BIS
1 stop5h 26m
United Airlines
Fri 8/76:25 pm
BIS
- PDX
1 stop6h 48m
United Airlines
Deal found 5/19![United Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 5/19. 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.
Sun 7/126:38 pm
PDX
- BIS
1 stop24h 36m
Multiple Airlines
Thu 7/1612:06 pm
BIS
- PDX
2 stops25h 24m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$608
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:17 pm
PDX
- BIS
1 stop23h 59m
Allegiant Air
Sun 6/2112:02 pm
BIS
- PDX
2 stops33h 16m
Allegiant Air
Deal found 5/17![Allegiant Air logo]()
$623
This United Airlines deal was found by Cheapflights users on 5/20. 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 5/3011:05 am
PDX
- BIS
1 stop7h 23m
United Airlines
Wed 6/36:25 pm
BIS
- PDX
1 stop6h 33m
United Airlines
Deal found 5/20![United Airlines logo]()
$544
This Delta deal was found by Cheapflights users on 5/18. 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 10/83:10 pm
PDX
- BIS
1 stop6h 11m
Delta
Mon 10/1212:35 pm
BIS
- PDX
2 stops9h 23m
Delta
Deal found 5/18![Delta logo]()
$547
This Delta deal was found by Cheapflights users on 5/16. 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.
Mon 9/77:40 pm
PDX
- BIS
2 stops13h 08m
Delta
Mon 9/141:10 pm
BIS
- PDX
1 stop9h 05m
Delta
Deal found 5/16![Delta logo]()
$582
Last-minute flights from Portland to BismarckDiscover last-minute flight deals from Portland to Bismarck. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Bismarck. Data last updated May 20, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/20. 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 5/3011:05 am
PDX
- BIS
1 stop7h 23m
United Airlines
Wed 6/36:25 pm
BIS
- PDX
1 stop6h 33m
United Airlines
Deal found 5/20![United Airlines logo]()
$544
This American Airlines deal was found by Cheapflights users on 5/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:59 pm
PDX
- BIS
2 stops12h 31m
American Airlines
Wed 6/36:00 am
BIS
- PDX
2 stops10h 57m
American Airlines
Deal found 5/20![American Airlines logo]()
$597
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:34 pm
PDX
- BIS
1 stop8h 23m
American Airlines
Mon 6/812:47 pm
BIS
- PDX
1 stop10h 34m
American Airlines
Deal found 5/16![American Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:17 pm
PDX
- BIS
1 stop23h 59m
Allegiant Air
Sun 6/2112:02 pm
BIS
- PDX
2 stops33h 16m
Allegiant Air
Deal found 5/17![Allegiant Air logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:17 pm
PDX
- BIS
1 stop23h 59m
Multiple Airlines
Sun 6/2112:02 pm
BIS
- PDX
1 stop9h 45m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$710
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:59 pm
PDX
- BIS
1 stop11h 18m
American Airlines
Mon 6/2212:47 pm
BIS
- PDX
1 stop13h 00m
American Airlines
Deal found 5/18![American Airlines logo]()
$693
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 May 20, 2026.
Search for one-way flight options from Portland to Bismarck. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 7/155:16 pm
PDX
- BIS
2 stops16h 00m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 5/15. 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
Deal found 5/15![Delta logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 5/19. 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.
Sun 5/317:17 pm
PDX
- BIS
1 stop24h 08m
Allegiant Air
Deal found 5/19![Allegiant Air logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:17 pm
PDX
- BIS
1 stop24h 08m
Allegiant Air
Deal found 5/17![Allegiant Air logo]()
$329
This American Airlines deal was found by Cheapflights users on 5/17. 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.
Thu 5/2810:59 pm
PDX
- BIS
2 stops12h 31m
American Airlines
Deal found 5/17![American Airlines logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:00 am
PDX
- BIS
3 stops34h 01m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$727
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 May 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (Delta) |
One-way from | $255 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $611 |
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 May 20, 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 8/2
12:32 am-10:30 am
1 stop7h 58m
Bismarck
Tue 8/11
1:27 pm-8:17 pm
1 stop8h 50m
$384
Quickest round-trip
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Thu 7/30
4:15 pm-11:41 pm
1 stop5h 26m
Bismarck
Fri 8/7
6:25 pm-11:13 pm
1 stop6h 48m
$432
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Sat 5/30
11:05 am-8:28 pm
1 stop7h 23m
Bismarck
Wed 6/3
6:25 pm-10:58 pm
1 stop6h 33m
$544
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Thu 10/8
3:10 pm-11:21 pm
1 stop6h 11m
Bismarck
Mon 10/12
12:35 pm-7:58 pm
2 stops9h 23m
$547
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Mon 9/7
7:40 pm-10:48 am
2 stops13h 08m
Bismarck
Mon 9/14
1:10 pm-8:15 pm
1 stop9h 05m
$582
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Sun 7/12
6:38 pm-9:14 pm
1 stop24h 36m
Bismarck
Thu 7/16
12:06 pm-11:30 am
2 stops25h 24m
$608
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Sun 6/14
7:17 pm-9:16 pm
1 stop23h 59m
Bismarck
Sun 6/21
12:02 pm-7:18 pm
2 stops33h 16m
$623
Cheapest one-way
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Wed 7/15
5:16 pm-11:16 am
2 stops16h 00m
$255
Quickest one-way
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Tue 7/14
12:33 am-10:40 am
1 stop8h 07m
$304
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Sun 5/31
7:17 pm-9:25 pm
1 stop24h 08m
$323
Showing 1-10 of 13 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 May.
| 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 $829). 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 May 20, 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.
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.9
Crew
8.5
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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
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Complete your trip
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Other flights from Portland
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Alternative routes for Portland to Bismarck
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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 May 20, 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 Portland to Bismarck by cabin class
Find flights from Portland to Bismarck, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Bismarck flights
Browse other Portland and Bismarck flight options. Last updated on May 20, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on May 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 May 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$259 | Average$472 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$287 | Average$519 | FlexibilityNo cancel fee | On-time69% |