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Bismarck

$145+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap 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 junio 12, 2025.

Round-trip from

$259
(Delta)

One-way from

$145
(Mytrip)

Popular in

September

Cheapest in

May

Average price

$508
From Portland to Bismarck
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One-way flight from Portland to Bismarck
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Highest demand for flights based on searches. 8% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 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 Portland to Bismarck

Cheapest flights from Portland to Bismarck
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 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. 8/512:40 amPDX - BIS
1 stop7h 57mDelta
mié. 8/135:42 pmBIS - PDX
1 stop7h 49mDelta
Deal found 6/11$259
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/256:39 pmPDX - BIS
1 stop24h 30mMultiple Airlines
dom. 6/2910:23 pmBIS - PDX
1 stop14h 54mMultiple Airlines
Deal found 6/10$315
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/306:10 amPDX - BIS
2 stops14h 10mAmerican Airlines
mar. 8/53:00 pmBIS - PDX
2 stops10h 22mAmerican Airlines
Deal found 6/11$353
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/85:00 amPDX - BIS
1 stop6h 00mUnited Airlines
sáb. 8/162:00 pmBIS - PDX
2 stops8h 37mUnited Airlines
Deal found 6/11$356

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 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Portland to Bismarck that are best for you.

Fly from

Portland

Fly to

Bismarck

Route

Depart

Return

Price

PortlandBismarck

PDX - BIS

PDXBIS

Portland

mar. 8/5

12:40 am-10:37 am

1 stop7h 57m

Bismarck

mié. 8/13

5:42 pm-11:31 pm

1 stop7h 49m

$259

PortlandBismarck

PDX - BIS

PDXBIS

Portland

mié. 6/25

6:39 pm-9:09 pm

1 stop24h 30m

Bismarck

dom. 6/29

10:23 pm-11:17 am

1 stop14h 54m

$315

PortlandBismarck

PDX - BIS

PDXBIS

Portland

mié. 7/30

6:10 am-10:20 pm

2 stops14h 10m

Bismarck

mar. 8/5

3:00 pm-11:22 pm

2 stops10h 22m

$353

PortlandBismarck

PDX - BIS

PDXBIS

Portland

vie. 8/8

5:00 am-1:00 pm

1 stop6h 00m

Bismarck

sáb. 8/16

2:00 pm-8:37 pm

2 stops8h 37m

$356

PortlandBismarck

PDX - BIS

PDXBIS

Portland

jue. 7/24

10:34 am-11:51 am

1 stop23h 17m

$145

PortlandBismarck

PDX - BIS

PDXBIS

Portland

mié. 6/25

6:39 pm-9:09 pm

1 stop24h 30m

$194

PortlandBismarck

PDX - BIS

PDXBIS

Portland

mié. 7/23

12:40 am-10:37 am

1 stop7h 57m

$248

PortlandBismarck

PDX - BIS

PDXBIS

Portland

lun. 7/14

11:54 pm-12:09 pm

1 stop10h 15m

$270

PortlandBismarck

PDX - BIS

PDXBIS

Portland

lun. 7/14

7:35 pm-8:13 pm

3 stops22h 38m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.
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 Portland to Bismarck

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

Currently, August is the cheapest month in which you can book a flight from Portland to Bismarck (average of $346). Flying from Portland to Bismarck in July is currently the most expensive (average of $447). 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 PDX to BIS?

Find hourly flight availability from Portland to Bismarck. 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.

It’s optimal to fly from Portland to Bismarck in the evening. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Bismarck by month

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

In terms of precipitation, rainfall in Bismarck ranges from 0.4 - 3.2 inches per month. June is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Bismarck when rainfall is around 0.4 in.

Temperature in Bismarck by month

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

If weather is an important factor for your trip to Bismarck, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

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 junio 12, 2025.
Read through reviews of airlines operating flights from Portland to Bismarck, such as Delta, United Airlines and Allegiant Air. 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.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 Portland to Bismarck. 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 Portland to Bismarck round-trip?

    Flying on Delta is currently your cheapest option to Bismarck, with prices starting at $259. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $311 and $356, respectively. Delta is currently priced 41% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $145. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Portland to Bismarck for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Bismarck 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 Portland to Bismarck?

    Currently, August is the cheapest month in which you can book a flight from Portland to Bismarck (average of $346). Flying from Portland to Bismarck in July is currently the most expensive (average of $447). 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

Browse thousands of different options on Cheapflights for your next trip

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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 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$223Average$328FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$282Average$466FlexibilityNo cancel feeOn-time69%

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