HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$309+ Cheap flights from Bismarck to Portland (BIS - PDX)

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — PDX
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bismarck to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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 Bismarck to Portland

Cheapest flights from Bismarck to Portland
Explore the most affordable flight options available from Bismarck to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/26. 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 8/259:00 am
BIS
-
PDX
1 stop8h 06m
United Airlines
Tue 9/14:05 pm
PDX
-
BIS
1 stop5h 33m
United Airlines
Deal found 7/26$321
This Delta deal was found by Cheapflights users on 7/22. 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 9/1111:12 am
BIS
-
PDX
1 stop8h 19m
Delta
Fri 9/183:00 pm
PDX
-
BIS
1 stop6h 11m
Delta
Deal found 7/22$325
This Delta deal was found by Cheapflights users on 7/24. 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 11/265:30 pm
BIS
-
PDX
1 stop8h 17m
Delta
Sun 11/293:10 pm
PDX
-
BIS
1 stop6h 11m
Delta
Deal found 7/24$339
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/226:00 am
BIS
-
PDX
1 stop5h 32m
United Airlines
Tue 9/294:07 pm
PDX
-
BIS
1 stop5h 36m
United Airlines
Deal found 7/23$364
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/296:00 am
BIS
-
PDX
1 stop5h 32m
United Airlines
Tue 9/14:05 pm
PDX
-
BIS
1 stop5h 33m
United Airlines
Deal found 7/26$411

Find flight deals from Bismarck to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$321
(United Airlines)

One-way from

$309
(American Airlines)

Popular in

April

Cheapest in

October

Average price

$795
Provider with most accurate pricing for Bismarck-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bismarck-Portland flights.
Search Deals
From Bismarck to Portland
Search Deals
One-way flight from Bismarck to Portland
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($162 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bismarck to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
Use the filters below to find and compare flights from Bismarck to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 9/11

11:12 am-5:31 pm

1 stop8h 19m

Portland

Fri 9/18

3:00 pm-11:11 pm

1 stop6h 11m

$325

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Thu 11/26

5:30 pm-11:47 pm

1 stop8h 17m

Portland

Sun 11/29

3:10 pm-11:21 pm

1 stop6h 11m

$339

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Tue 9/22

6:00 am-9:32 am

1 stop5h 32m

Portland

Tue 9/29

4:07 pm-11:43 pm

1 stop5h 36m

$367

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 9/12

9:20 am-3:05 pm

1 stop7h 45m

Portland

Sat 9/19

4:07 pm-11:38 pm

1 stop5h 31m

$411
Quickest round-trip

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 8/29

6:00 am-9:32 am

1 stop5h 32m

Portland

Tue 9/1

4:05 pm-11:38 pm

1 stop5h 33m

$411
Cheapest one-way

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Thu 12/3

6:00 am-5:28 pm

2 stops13h 28m

$380
Quickest one-way

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 8/8

9:16 am-12:58 pm

1 stop5h 42m

$384

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Thu 12/3

10:18 pm-10:50 am

3 stops38h 32m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Sorted by cheapest first

Compare providers for flights from Bismarck to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bismarck to Portland in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bismarck-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bismarck-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bismarck-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bismarck-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bismarck-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bismarck to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Bismarck with our price prediction graph.
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 Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated July 27, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Bismarck to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,483 reviews

Boarding

8.1

Food

7.2

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,483 reviews
Delta
7.8
Good
8,483 reviews

Boarding

8.1

Food

7.2

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,041 reviews
Delta
7.8
Good
8,483 reviews

Boarding

8.1

Food

7.2

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Bismarck to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bismarck to Portland?

    Delta can get you from Bismarck to Portland in just under 8h 19m. Your travel time can differ by up to . Bismarck and Portland are separated by a distance of 1044 mi.

  • What are the cheapest airlines flying from Bismarck to Portland round-trip?

    Cheapflights users have booked flights from Bismarck to Portland round-trip from $258. Another airline that can offer you cheap pricing is Delta. These flights start at 47% lower than the current average price 3 months from now.

  • Can I find deals for flights from Bismarck to Portland that include hotel bookings?

    Yes. In addition to deals on Bismarck to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bismarck to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bismarck to Portland.

  • Can I find deals for business class flights from Bismarck to Portland?

    Yes. Cheapflights offers flight deals from Bismarck to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Beaverton
Seaside
Lincoln City
Vancouver
Longview
Lake Oswego
Hillsboro
Kelso
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Bismarck to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Fargo to Portland flights
Fargo to Boise flights
Minot to Portland flights
Fargo to Eugene flights
Grand Forks to Portland flights
Minot to Boise flights
Grand Forks to Boise flights

Top 2 airlines flying from Bismarck to Portland

Discover the top 2 airlines that operate flights from Bismarck to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$627FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$324FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.