$309+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIS
Oct 2 — Oct 91
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
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 Portland to Bismarck
Cheapest
Best
Last-minute
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 September 2, 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 September 2, 2026.
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:22 pm -
1 stop6h 03m
Sat 11/75:15 pm -
1 stop8h 29m
Deal found 9/2![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Thu 10/294:25 pm -
1 stop5h 19m
Sat 11/75:50 am -
2 stops8h 32m
Deal found 9/2![United Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 8/30. 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 9/1012:25 am -
1 stop8h 07m
Mon 9/145:40 pm -
1 stop7h 30m
Deal found 8/30![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am -
2 stops11h 18m
Mon 9/146:00 am -
1 stop5h 32m
Deal found 8/30![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 8/29. 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 9/53:00 pm -
1 stop6h 12m
Tue 9/88:01 am -
1 stop6h 36m
Deal found 8/29![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/164:07 pm -
1 stop5h 31m
Sun 9/206:00 am -
1 stop5h 32m
Deal found 9/1![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/1. 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.
Wed 9/3012:25 am -
1 stop8h 07m
Sun 10/48:01 am -
1 stop6h 36m
Deal found 9/1![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 8/31. 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 9/41:30 pm -
1 stop7h 42m
Tue 9/88:01 am -
1 stop6h 36m
Deal found 8/31![Delta logo]()
$461
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 September 2, 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 September 2, 2026.
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Thu 10/294:25 pm -
1 stop5h 19m
Sat 11/75:50 am -
2 stops8h 32m
Deal found 9/2![United Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 8/31. 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 10/212:01 pm -
1 stop8h 51m
Mon 10/52:07 pm -
1 stop9h 04m
Deal found 8/31![American Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 9/1. 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 2/34:05 pm -
1 stop5h 46m
Sat 2/61:08 pm -
1 stop6h 30m
Deal found 9/1![United Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:00 am -
1 stop5h 51m
Thu 9/245:00 pm -
1 stop7h 53m
Deal found 8/29![United Airlines logo]()
$545
Last-minute flights from Portland to BismarckDiscover last-minute flight deals from Portland to Bismarck. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Bismarck. Data last updated September 2, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/31. 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 9/41:30 pm -
1 stop7h 42m
Tue 9/88:01 am -
1 stop6h 36m
Deal found 8/31![Delta logo]()
$461
This Delta deal was found by Cheapflights users on 8/29. 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 9/53:00 pm -
1 stop6h 12m
Tue 9/88:01 am -
1 stop6h 36m
Deal found 8/29![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 8/30. 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 9/1012:25 am -
1 stop8h 07m
Mon 9/145:40 pm -
1 stop7h 30m
Deal found 8/30![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am -
2 stops11h 18m
Mon 9/146:00 am -
1 stop5h 32m
Deal found 8/30![United Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/164:07 pm -
1 stop5h 31m
Sun 9/206:00 am -
1 stop5h 32m
Deal found 9/1![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/1. 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.
Wed 9/3012:25 am -
1 stop8h 07m
Sun 10/48:01 am -
1 stop6h 36m
Deal found 9/1![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:22 pm -
1 stop6h 03m
Sat 11/75:15 pm -
1 stop8h 29m
Deal found 9/2![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Thu 10/294:25 pm -
1 stop5h 19m
Sat 11/75:50 am -
2 stops8h 32m
Deal found 9/2![United Airlines logo]()
$330
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 September 2, 2026.
Search for one-way flight options from Portland to Bismarck. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Sun 11/224:25 pm -
1 stop5h 19m
Deal found 9/1![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:11 pm -
2 stops12h 31m
Deal found 9/1![American Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/810:59 pm -
2 stops12h 28m
Deal found 8/31![American Airlines logo]()
$433
This American Airlines deal was found by Cheapflights users on 9/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:06 pm -
2 stops11h 30m
Deal found 9/1![American Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 9/1. 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.
Fri 9/1111:35 am -
1 stop6h 20m
Deal found 9/1![Delta logo]()
$452
This Delta deal was found by Cheapflights users on 8/31. 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 9/711:50 am -
1 stop5h 56m
Deal found 8/31![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/810:50 am -
1 stop7h 28m
Deal found 8/31![United Airlines logo]()
$524
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:46 pm -
3 stops38h 04m
Deal found 9/1![Multiple Airlines logo]()
$605
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:30 am -
2 stops13h 03m
Deal found 8/31![United Airlines logo]()
$745
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/75:07 am -
3 stops16h 05m
Deal found 8/31![Multiple Airlines logo]()
$808
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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $325 (United Airlines) |
One-way from | $309 (United Airlines) |
Popular in | March |
Cheapest in | February |
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 7,457,451 searches. Data last updated September 2, 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 Portland - BIS Bismarck
PDXBIS
Portland
Thu 10/29
4:25 pm-11:44 pm
1 stop5h 19m
Bismarck
Sat 11/7
5:50 am-12:22 pm
2 stops8h 32m
$330
Quickest round-trip
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Wed 2/3
4:05 pm-11:51 pm
1 stop5h 46m
Bismarck
Sat 2/6
1:08 pm-5:38 pm
1 stop6h 30m
$411
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Fri 10/2
12:01 pm-10:52 pm
1 stop8h 51m
Bismarck
Mon 10/5
2:07 pm-9:11 pm
1 stop9h 04m
$539
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Thu 9/17
5:00 am-12:51 pm
1 stop5h 51m
Bismarck
Thu 9/24
5:00 pm-10:53 pm
1 stop7h 53m
$545
Cheapest one-way
Quickest one-way
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Sun 11/22
4:25 pm-11:44 pm
1 stop5h 19m
$309
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Sun 11/22
11:11 pm-1:42 pm
2 stops12h 31m
$389
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Tue 9/8
10:59 pm-1:27 pm
2 stops12h 28m
$433
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Fri 9/11
11:06 pm-12:36 pm
2 stops11h 30m
$448
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Fri 9/11
11:35 am-7:55 pm
1 stop6h 20m
$452
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Tue 9/8
10:50 am-8:18 pm
1 stop7h 28m
$524
Showing 1-10 of 11 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 September.
| 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.
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 September 2, 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
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
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 September 2, 2026.
Complete your trip
Complete your trip to Bismarck by adding a car rental and/or hotel reservation to your travel itinerary.
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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 September 2, 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 September 2, 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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$279 | Average$569 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$328 | Average$547 | FlexibilityNo cancel fee | On-time69% |