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$254+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — PDX
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 junio 12, 2025.

Round-trip from

$259
(Delta)

One-way from

$254
(United Airlines)

Popular in

March

Cheapest in

February

Average price

$471
From Bismarck to Portland
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One-way flight from Bismarck to Portland
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Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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.
mar. 8/195:00 amBIS - PDX
1 stop7h 40mDelta
vie. 8/2212:46 amPDX - BIS
1 stop8h 48mDelta
Deal found 6/11$259
This American Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 7/93:00 pmBIS - PDX
1 stop8h 23mAmerican Airlines
mié. 7/1611:54 pmPDX - BIS
1 stop10h 15mAmerican Airlines
Deal found 6/10$327
This United Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 8/196:00 amBIS - PDX
2 stops10h 42mUnited Airlines
sáb. 8/231:45 pmPDX - BIS
2 stops7h 54mUnited Airlines
Deal found 6/10$349
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/1812:34 pmBIS - PDX
1 stop23h 11mMultiple Airlines
sáb. 6/216:39 pmPDX - BIS
1 stop24h 55mMultiple Airlines
Deal found 6/11$557

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 junio 12, 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

mar. 8/19

5:00 am-10:40 am

1 stop7h 40m

Portland

sáb. 8/23

12:46 am-10:33 am

1 stop7h 47m

$259

BismarckPortland

BIS - PDX

BISPDX

Bismarck

mié. 7/9

3:00 pm-9:23 pm

1 stop8h 23m

Portland

mié. 7/16

11:54 pm-12:09 pm

1 stop10h 15m

$327

BismarckPortland

BIS - PDX

BISPDX

Bismarck

mar. 8/19

6:00 am-2:42 pm

2 stops10h 42m

Portland

sáb. 8/23

1:45 pm-11:39 pm

2 stops7h 54m

$349

BismarckPortland

BIS - PDX

BISPDX

Bismarck

vie. 7/4

2:00 pm-12:30 am

2 stops12h 30m

$254

BismarckPortland

BIS - PDX

BISPDX

Bismarck

vie. 7/4

3:00 pm-9:19 pm

1 stop8h 19m

$271

BismarckPortland

BIS - PDX

BISPDX

Bismarck

mié. 7/9

5:45 pm-11:35 pm

2 stops7h 50m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, November is the cheapest month in which you can book a flight from Bismarck to Portland (average of $277). Flying from Bismarck to Portland in March is currently the most expensive (average of $368). 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 junio 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 51% on flights from Bismarck to Portland by exploring options for tickets in the evening.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 junio 12, 2025.
To help decide which airline to fly from Bismarck to Portland, see what other customers have to say about Delta, United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Cheapflights users have booked flights from Bismarck to Portland round-trip from $259. Other airlines that can offer you cheap pricing are American Airlines, from $327, and United Airlines, from $349. These flights start at 39% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Bismarck to Portland one-way?

    The cheapest airlines for a one-way flight from Bismarck to Portland are United Airlines ($254), American Airlines ($271), and Delta ($356).

  • 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, November is the cheapest month in which you can book a flight from Bismarck to Portland (average of $277). Flying from Bismarck to Portland in March is currently the most expensive (average of $368). 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 Bismarck?

Book flights to Bismarck if you plan to visit one of these locations
Seaside
Vancouver
Beaverton
Clackamas
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Longview
Hood River
Depoe Bay
Woodburn
Stevenson
Pacific City
Troutdale

Browse thousands of different options on Cheapflights for your next trip

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$373FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$487FlexibilityNo cancel feeOn-time69%

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