Cheap Flights from Bismarck to Portland

Compare Bismarck to Portland flight deals

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

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Flight deals from Bismarck Airport to Portland Airport

Looking for a cheap last-minute deal or the best return flight from Bismarck Airport to Portland Airport? If you want to travel next month, return fares start from ج.م.‏ 19,332. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Bismarck to Portland

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

Bismarck to Portland: Alternative routes

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

Bismarck to Portland: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 15,286
Cheapest month to flyAugust

Finding cheap flights from Bismarck to Portland: Frequently asked questions

The best price we found for a return flight from Bismarck to Portland is ج.م.‏ 18,549. 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 Bismarck to Portland. But we found flights with one or more stops from ج.م.‏ 18,549.
As of March 2026, there are no flights flying from Bismarck to Portland.
The cheapest month to fly from Bismarck to Portland is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bismarck Airport to Portland Airport on Wednesday, 13 May 2026.
No airlines currently offer direct flights between Bismarck Airport and Portland 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 Portland 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 Portland is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Allegiant Air offers the cheapest flight tickets to Portland.

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

  • Portland's timezone is UTC-7, making Portland two hours behind Bismarck.

  • Arrive at the airport on time so you don't miss your BIS to PDX flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • You can expect longer lines in popular months such as October. Arriving up to four hours ahead of international flights and two hours for domestic departures is a wise move.

  • If you'd like to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Bismarck Airport to Portland International Airport. These are the top stopovers between BIS and PDX:

    • Denver International Airport

    • Minneapolis-St. Paul International Airport

    • Harry Reid Airport (formerly McCarran Airport)

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

  • The cheapest price we've seen for a one-way Bismarck Airport to Portland International Airport flight is ج.م.‏ 15,286. A return fare is currently ج.م.‏ 18,549. Depending on the availability and when you book, these fares could change.

  • Don't leave everything to the last moment. You're more likely to find cheap tickets from BIS to PDX if you book in advance. Airlines often offer some fantastic early bird discounts.

  • Getting cheap flights from Bismarck Airport to Portland International Airport is easier if you're flexible with your dates. Use the 'Whole month' tool to see the lowest fares across each month and land a great deal.

  • You won't have to check back in every day to see if fares have dropped when you set up a Price Alert. We'll notify you as soon as the price changes on cheap flights from BIS to PDX.

  • Lock in the ideal flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Bismarck Airport to Portland International Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Bismarck Airport (BIS)

  • BIS's address is 2301 University Drive Bldg 17.

  • Of the flights that depart from Bismarck Airport, 72.33% land on schedule at their destination.

  • To reach Bismarck Airport from central Bismarck, it takes around 10 minutes by car. This depends on traffic, however. It's approximately 5 kilometres from the airport to the city centre.

  • Searching for a handy hotel close to BIS? If you've booked an early flight from Bismarck Airport to Portland International Airport, these stays will have you moments from your check-in counter:

Arriving at Portland International Airport (PDX)

Getting from Portland International Airport (PDX) to central Portland

  • The address for PDX is 7000 NE Airport Way.

  • From Portland International Airport, Portland is approximately 19 kilometres away. It takes around 20 minutes to reach the centre by car.

  • If you're travelling by public transport, expect a journey of around 45 minutes.

When to fly to Portland International Airport (PDX)

  • It's time to work out your dates for your flight from Bismarck Airport to Portland International Airport. July is the busiest month to visit Portland. If you like a more relaxed vibe, go in May.

  • Book your flight from Bismarck Airport to Portland International Airport for August if you'd like to go to Portland during its warmest month. You can expect temperatures of between 12ºC and 31ºC.

  • If you want cooler conditions, search for a cheap ticket from BIS to PDX in December. Temperatures average between 0ºC and 9ºC then.

Explore more of United States

  • You've visited Portland, now it's time to discover other parts of United States. Travel about 241 kilometres north to Seattle to tick off its top sights. From Greyhound: Bus Station to LMN Architects and Boeing Radiation Effects Lab, your itinerary will be busy.

  • Spokane is another favourite destination in United States and is around 467 kilometres north-east of Portland. No journey is complete without experiencing Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

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