$203 Cheap Flights from Bismarck (BIS) to Portland (PWM)

View $203 flight on Tue, Oct 28, 2025Opens in a new window

Popular airlines from Bismarck, ND (BIS-Bismarck Municipal) to Portland Intl. Jetport Airport (PWM)

Cheap Flights from Bismarck to Portland (BIS-PWM)

Prices were available within the past 7 days and start at $203 for one-way flights and $279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Nov 4 - Tue, Nov 18
BIS
Bismarck
PWM
Portland
$279 Roundtrip, found 11 hours ago
$279
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Nov 4 from Bismarck to Portland, returning Tue, Nov 18, priced at $279 found 11 hours ago
Delta
Wed, Oct 29 - Tue, Nov 18
BIS
Bismarck
PWM
Portland
$304 Roundtrip, found 11 hours ago
$304
Roundtrip
found 11 hours ago
Select Delta flight, departing Wed, Oct 29 from Bismarck to Portland, returning Tue, Nov 18, priced at $304 found 11 hours ago
Delta
Wed, Oct 29 - Sat, Nov 15
BIS
Bismarck
PWM
Portland
$329 Roundtrip, found 11 hours ago
$329
Roundtrip
found 11 hours ago
Select Delta flight, departing Wed, Oct 29 from Bismarck to Portland, returning Sat, Nov 15, priced at $329 found 11 hours ago
Delta
Mon, Nov 3 - Tue, Nov 18
BIS
Bismarck
PWM
Portland
$334 Roundtrip, found 11 hours ago
$334
Roundtrip
found 11 hours ago
Select Delta flight, departing Mon, Nov 3 from Bismarck to Portland, returning Tue, Nov 18, priced at $334 found 11 hours ago
Delta
Tue, Nov 4 - Wed, Nov 19
BIS
Bismarck
PWM
Portland
$341 Roundtrip, found 11 hours ago
$341
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Nov 4 from Bismarck to Portland, returning Wed, Nov 19, priced at $341 found 11 hours ago
Delta
Sun, Oct 26 - Wed, Nov 12
BIS
Bismarck
PWM
Portland
$347 Roundtrip, found 11 hours ago
$347
Roundtrip
found 11 hours ago
Select Delta flight, departing Sun, Oct 26 from Bismarck to Portland, returning Wed, Nov 12, priced at $347 found 11 hours ago
United
Wed, Oct 29 - Wed, Nov 19
BIS
Bismarck
PWM
Portland
$349 Roundtrip, found 11 hours ago
$349
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Oct 29 from Bismarck to Portland, returning Wed, Nov 19, priced at $349 found 11 hours ago
Delta
Fri, Oct 31 - Tue, Nov 18
BIS
Bismarck
PWM
Portland
$351 Roundtrip, found 11 hours ago
$351
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Oct 31 from Bismarck to Portland, returning Tue, Nov 18, priced at $351 found 11 hours ago
American Airlines
Sat, Oct 4 - Tue, Oct 7
BIS
Bismarck
PWM
Portland
$354 Roundtrip, found 4 days ago
$354
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Oct 4 from Bismarck to Portland, returning Tue, Oct 7, priced at $354 found 4 days ago
Delta
Tue, Nov 11 - Wed, Nov 19
BIS
Bismarck
PWM
Portland
$356 Roundtrip, found 18 hours ago
$356
Roundtrip
found 18 hours ago
Select Delta flight, departing Tue, Nov 11 from Bismarck to Portland, returning Wed, Nov 19, priced at $356 found 18 hours ago

Find the cheapest month to fly from Bismarck (BIS) to Portland (PWM)

September is typically the cheapest month to fly

From $268 - $719 per traveler.

Alternative airports near Portland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Portland Intl. Jetport PWM. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $674
PWM
Portland Intl. Jetport
CheapestClosest
Average driving time to city center8 min
Flights from $674

Frequently asked questions

How much does a flight from Bismarck Municipal Airport (BIS) to Portland Intl. Jetport Airport (PWM) cost?
Secure a cheap one-way flight from $203 or cheap return flight from $279 from Bismarck Municipal Airport (BIS) to Portland Intl. Jetport Airport (PWM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Bismarck Municipal Airport (BIS) to Portland Intl. Jetport Airport (PWM)?
The cheapest month to fly from BIS to PWM is November, when demand is low. Off-peak season is typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Bismarck Municipal Airport (BIS) to Portland Intl. Jetport Airport (PWM)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BIS to PWM. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Bismarck Municipal Airport (BIS) to Portland Intl. Jetport Airport (PWM)?
There aren't any daily nonstop flights available from Bismarck Municipal Airport (BIS) to Portland Intl. Jetport Airport (PWM). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from BIS to PWM?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bismarck Municipal Airport (BIS) to Portland Intl. Jetport Airport (PWM)?
Opt for a flight from Bismarck Municipal Airport (BIS) to Portland Intl. Jetport Airport (PWM) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bismarck Municipal Airport (BIS) to Portland Intl. Jetport Airport (PWM) last-minute?
Holding off until right before your break to book a ticket from BIS to PWM often results in higher prices. Although you may find some last-minute discounts, there's no guarantee. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a BIS to PWM flight and hotel package?
You can save money by securing a BIS to PWM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Bismarck Municipal Airport (BIS) to Portland Intl. Jetport Airport (PWM)?
If you booked your BIS to PWM flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Bismarck Municipal
Destination airport
Portland Intl. Jetport
Airlines serving
American Airlines, Delta, United
Roundtrip price
$279
Distance
1488 mi

Book with confidence

Book with confidence

Bismarck to Portland Flights

The cheapest times to fly from Bismarck to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bismarck to Portland are during the month of November. You can find some of the cheapest flights from Bismarck to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bismarck to Portland

Sunday is one of the best days to book for cheap flights from Bismarck to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bismarck to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bismarck to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $203 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bismarck to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bismarck to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Bismarck to Portland Flights

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Explore a world of travel with Expedia

*Available to One Key members.