$319+ Cheap flights from Portland to Bismarck (PDX - BIS)
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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIS
Nov 2 — Nov 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 October 3, 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 October 3, 2026.
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 10/319:00 am -
1 stop5h 27m
Sat 11/75:50 am -
1 stop5h 46m
Deal found 10/1![United Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/274:25 pm -
1 stop5h 19m
Sat 11/75:50 am -
1 stop5h 46m
Deal found 9/29![United Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 9/29. 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.
Thu 10/296:00 am -
1 stop8h 51m
Mon 11/25:15 pm -
1 stop8h 29m
Deal found 9/29![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 10/3. 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 10/221:44 pm -
1 stop7h 41m
Sat 10/245:15 pm -
1 stop8h 29m
Deal found 10/3![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 10/3. 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 10/2210:43 am -
1 stop7h 37m
Sat 10/241:40 pm -
2 stops9h 20m
Deal found 10/3![United Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 10/2. 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
Mon 11/25:50 am -
2 stops10h 47m
Deal found 10/2![United Airlines 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 October 3, 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 October 3, 2026.
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 10/319:00 am -
1 stop5h 27m
Sat 11/75:50 am -
1 stop5h 46m
Deal found 10/1![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 10/2. 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 10/291:44 pm -
1 stop7h 41m
Mon 11/25:00 am -
1 stop7h 34m
Deal found 10/2![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 9/28. 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 10/213:22 pm -
1 stop6h 03m
Sat 10/245:15 pm -
1 stop8h 29m
Deal found 9/28![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/279:00 am -
2 stops12h 44m
Sat 11/79:00 am -
1 stop6h 25m
Deal found 9/29![United Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 10/3. 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 10/2210:43 am -
1 stop7h 37m
Sat 10/241:40 pm -
2 stops9h 20m
Deal found 10/3![United Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 10/1. 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 2/35:00 am -
1 stop5h 48m
Sat 2/64:58 pm -
1 stop6h 17m
Deal found 10/1![United Airlines logo]()
$451
Last-minute flights from Portland to BismarckDiscover last-minute flight deals from Portland to Bismarck. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Bismarck. Data last updated October 3, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/3. 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 10/221:44 pm -
1 stop7h 41m
Sat 10/245:15 pm -
1 stop8h 29m
Deal found 10/3![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 10/3. 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 10/2210:43 am -
1 stop7h 37m
Sat 10/241:40 pm -
2 stops9h 20m
Deal found 10/3![United Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/274:25 pm -
1 stop5h 19m
Sat 11/75:50 am -
1 stop5h 46m
Deal found 9/29![United Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 9/29. 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.
Thu 10/296:00 am -
1 stop8h 51m
Mon 11/25:15 pm -
1 stop8h 29m
Deal found 9/29![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/2. 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
Mon 11/25:50 am -
2 stops10h 47m
Deal found 10/2![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 10/319:00 am -
1 stop5h 27m
Sat 11/75:50 am -
1 stop5h 46m
Deal found 10/1![United Airlines logo]()
$341
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 October 3, 2026.
Search for one-way flight options from Portland to Bismarck. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/28. 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 3/84:05 pm -
1 stop5h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/28. 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 3/88:30 am -
2 stops11h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![American Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 10/3. 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 10/123:22 pm -
1 stop6h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Delta logo]()
$462
This American Airlines deal was found by Cheapflights users on 10/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:55 pm -
2 stops12h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![American Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 10/3. 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.
Mon 10/126:20 pm -
3 stops48h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Multiple Airlines logo]()
$556
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 October 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $341 (United Airlines) |
One-way from | $319 (United Airlines) |
Popular in | March |
Cheapest in | February |
Average price | $465 |
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 October 3, 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
Quickest round-trip
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Mon 3/8
4:05 pm-11:37 pm
1 stop5h 32m
Bismarck
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$319
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Sat 10/31
9:00 am-4:27 pm
1 stop5h 27m
Bismarck
Sat 11/7
5:50 am-9:36 am
1 stop5h 46m
$341
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Thu 10/29
1:44 pm-11:25 pm
1 stop7h 41m
Bismarck
Mon 11/2
5:00 am-10:34 am
1 stop7h 34m
$349
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Wed 10/21
3:22 pm-11:25 pm
1 stop6h 03m
Bismarck
Sat 10/24
5:15 pm-11:44 pm
1 stop8h 29m
$349
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Tue 10/27
9:00 am-11:44 pm
2 stops12h 44m
Bismarck
Sat 11/7
9:00 am-1:25 pm
1 stop6h 25m
$350
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Thu 10/22
10:43 am-8:20 pm
1 stop7h 37m
Bismarck
Sat 10/24
1:40 pm-9:00 pm
2 stops9h 20m
$426
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Wed 2/3
5:00 am-12:48 pm
1 stop5h 48m
Bismarck
Sat 2/6
4:58 pm-9:15 pm
1 stop6h 17m
$451
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Mon 10/12
3:22 pm-11:25 pm
1 stop6h 03m
Bismarck
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$462
PortlandBismarck
PDX Portland - BIS Bismarck
PDXBIS
Portland
Mon 10/12
6:20 pm-8:40 pm
3 stops48h 20m
Bismarck
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$556
Sorted 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 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 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 October 3, 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.
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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.
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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 October 3, 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 October 3, 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 October 3, 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 October 3, 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% |