HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$259+ Cheap flights from Bismarck to Portland (BIS - PDX)

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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — PDX
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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.

Find 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 October 28, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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 11/191:20 pmBIS - PDX
1 stop6h 23mDelta
Fri 11/286:00 amPDX - BIS
1 stop6h 57mDelta
Deal found 10/27$259
This Delta deal was found by Cheapflights users on 10/27. 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 11/191:20 pmBIS - PDX
2 stops12h 54mDelta
Thu 11/275:30 amPDX - BIS
2 stops12h 17mDelta
Deal found 10/27$269
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Fri 11/145:45 amBIS - PDX
2 stops11h 01mUnited Airlines
Fri 11/214:02 pmPDX - BIS
1 stop5h 37mUnited Airlines
Deal found 10/26$279
This Delta deal was found by Cheapflights users on 10/27. 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 11/2311:32 amBIS - PDX
1 stop8h 11mDelta
Fri 11/286:00 amPDX - BIS
1 stop6h 57mDelta
Deal found 10/27$284
This Delta deal was found by Cheapflights users on 10/27. 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 11/245:35 pmBIS - PDX
2 stops16h 56mDelta
Fri 11/286:00 amPDX - BIS
1 stop6h 57mDelta
Deal found 10/27$288
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/115:45 amBIS - PDX
1 stop5h 53mUnited Airlines
Sat 11/155:00 amPDX - BIS
1 stop6h 11mUnited Airlines
Deal found 10/27$289
This Delta deal was found by Cheapflights users on 10/27. 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 11/245:35 pmBIS - PDX
2 stops16h 56mDelta
Thu 11/275:30 amPDX - BIS
2 stops12h 17mDelta
Deal found 10/27$293
This Delta deal was found by Cheapflights users on 10/27. 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 11/223:56 pmBIS - PDX
1 stop6h 51mDelta
Fri 11/286:00 amPDX - BIS
1 stop6h 57mDelta
Deal found 10/27$311

Cheap 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 October 28, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$259
(Delta)

Popular in

March

Cheapest in

February

Average price

$363
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
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 28, 2025.
Use the filters below to find and compare flights from Bismarck to Portland that are best for you.

Fly from

Bismarck

Fly to

Portland

Route

Depart

Return

Price

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 2/20

1:10 pm-8:30 pm

1 stop9h 20m

Portland

Mon 2/23

12:55 am-10:56 am

1 stop8h 01m

$259

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 2/21

11:30 am-4:51 pm

1 stop7h 21m

Portland

Mon 2/23

12:55 am-10:56 am

1 stop8h 01m

$259

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 1/23

1:28 pm-8:32 pm

1 stop9h 04m

Portland

Mon 1/26

1:39 pm-11:28 pm

2 stops7h 49m

$264

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 11/14

5:15 pm-9:26 pm

1 stop6h 11m

Portland

Fri 11/21

4:02 pm-11:39 pm

1 stop5h 37m

$287

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Tue 11/11

1:56 pm-12:26 am

2 stops12h 30m

Portland

Sat 11/15

6:00 am-4:26 pm

2 stops8h 26m

$299

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 11/15

3:56 pm-8:47 pm

1 stop6h 51m

$271

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 11/15

11:29 am-6:31 pm

3 stops57h 02m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice 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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Bismarck-Portland flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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.

Cheapflights Insights

Everything you need to know about your flight from Bismarck to Portland

What is the cheapest month to book a flight from Bismarck to Portland?

Currently, May is the cheapest month in which you can book a flight from Bismarck to Portland (average of $160). Flying from Bismarck to Portland in December is currently the most expensive (average of $359). 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.

What is the cheapest time of day to fly from BIS to PDX?

Find hourly flight availability from Bismarck to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 50% on flights from Bismarck to Portland by exploring options for tickets in the evening.

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 October 28, 2025.
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
7.9
Good
7,994 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

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 9h 20m. 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 United Airlines. These flights start at 37% 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.

  • What is the cheapest month to book a flight from Bismarck to Portland?

    Currently, May is the cheapest month in which you can book a flight from Bismarck to Portland (average of $160). Flying from Bismarck to Portland in December is currently the most expensive (average of $359). 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.

See more FAQs

Traveling to a place near Portland?

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

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.

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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$363FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$454FlexibilityNo cancel feeOn-time69%

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.