Cheap Flights from Portland to Bismarck

Compare Portland to Bismarck flight deals

Find the cheapest month or even day of the year to fly to Bismarck

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Find the cheapest month to fly from Portland to Bismarck

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Bismarck flights are currently cheapest in March.

Portland to Bismarck: Alternative routes

Compare routes from Portland to Bismarck below. You may find an airport to fly into that's cheaper, faster, or easier than Bismarck.

Portland to Bismarck: Flight information

The things to know before you go.
Cheapest flight found$515
Cheapest month to flyMarch

Finding cheap flights from Portland to Bismarck: Frequently asked questions

The best price we found for a return flight from Portland to Bismarck is $515. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to Bismarck. But we found flights with one or more stops from $515.
As of February 2026, there are no flights flying from Portland to Bismarck.
The cheapest month to fly from Portland to Bismarck is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Bismarck Airport on Thursday, 5 March 2026.
No airlines currently offer direct flights between Portland Airport and Bismarck Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bismarck but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bismarck is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Bismarck.

Travelling from Portland International Airport (PDX) to Bismarck Airport (BIS): what you need to know

  • Your PDX to BIS flight won't wait if you're running late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Travelling during a peak time such as July? Public holidays and other high seasons can mean longer queues at airport checkpoints. Play things extra safe and arrive up to four hours before international flights and two hours before domestic departures.

  • If you want to break up your flight, just uncheck 'Direct flights only' when searching for your ticket from Portland International Airport to Bismarck Airport. Here are the top stopovers between PDX and BIS:

    • Denver International Airport

    • Minneapolis-St. Paul International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Portland International Airport (PDX) to Bismarck Airport (BIS)

  • The lowest price we've seen for a one-way Portland International Airport to Bismarck Airport flight is $698. A round-trip ticket is currently $515. Depending on the availability and when you book, these fares can change.

  • To score cheap tickets from PDX to BIS, book ahead. Airlines tend to offer the most competitive fares when flights are first made available.

  • If you're flexible with your trip dates, use the 'Whole month' search tool. It'll find the cheapest price across the month when searching for a flight from Portland International Airport to Bismarck Airport.

  • Finding cheap flights from PDX to BIS is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when a lower fare pops up.

  • Tailor your trip with filters. Pick your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Portland International Airport to Bismarck Airport.

Handy information about Portland International Airport (PDX)

  • PDX is located at 7000 NE Airport Way.

  • Portland International Airport earns top marks for on-time performance. 83.65% of flights that take off from PDX arrive at their destination as scheduled.

  • Central Portland to Portland International Airport is approximately 19 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Expect a trip time of about 45 minutes when using public transport.

  • Get your trip off to a leisurely start by staying near PDX. Whether you're boarding an early flight from Portland International Airport to Bismarck Airport or just don't like being rushed, these stays are ideal:

Arriving at Bismarck Airport (BIS)

  • If you're arriving on a late Portland International Airport to Bismarck Airport flight, nothing tops the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and sleeping not long after at one of these accommodation options near BIS:

  • Follow your own route with a Bismarck Airport rental car. Book your wheels from Enterprise, Avis or Hertz and venture far and wide through Bismarck and beyond.

  • To get the best deal, reserve your vehicle from Bismarck Airport at least a couple of weeks in advance. Prices typically go up as your departure date approaches.

Getting from Bismarck Airport (BIS) to central Bismarck

  • BIS is located at 2301 University Drive Bldg 17.

  • Bismarck Airport is roughly 5 kilometres from central Bismarck. The drive time takes around 10 minutes.

When to fly to Bismarck Airport (BIS)

  • The quietest month for a flight from Portland International Airport to Bismarck Airport is February, while October is the busiest. Choose the ideal time to go to Bismarck based on whether you prefer a more relaxed vibe or a faster pace.

  • When booking your flight from Portland International Airport to Bismarck Airport, consider the type of weather you enjoy. July is the warmest month in Bismarck, with the temperature ranging from 14ºC to 32ºC.

  • Look for cheap tickets from PDX to BIS in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -18ºC and 0ºC on average.

Explore more of United States

  • Sioux Falls is just one of the many places in United States waiting to be explored once you've taken in the sights of Bismarck. Around 483 kilometres away to the south-east, check out popular attractions including Great Plains Zoo and Delbridge Museum of Natural History, Old Courthouse Museum and Washington Pavilion Science Centre.

  • Around 306 kilometres east of Bismarck, Fargo is another favourite stop in United States. No visit is complete without checking out Plains Art Museum, Red River Zoo and Fargo Air Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.