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Cheap flights from Bismarck to Portland from $259

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Bismarck to Portland departing on 2/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Bismarck to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:10 pm - 8:30 pmBIS-PDX
9h 20m1 stop
Delta Logo
12:55 am - 10:56 amPDX-BIS
8h 01m1 stop
$259Delta
Find Deal
Sat, Feb 21 - Mon, Feb 23
United Airlines Logo
5:45 am - 2:46 pmBIS-PDX
11h 01m2 stops
United Airlines Logo
4:02 pm - 11:39 pmPDX-BIS
5h 37m1 stop
$279United Airlines
Find Deal
Fri, Nov 14 - Fri, Nov 21
United Airlines Logo
5:15 pm - 9:26 pmBIS-PDX
6h 11m1 stop
United Airlines Logo
4:02 pm - 11:39 pmPDX-BIS
5h 37m1 stop
$287United Airlines
Find Deal
Fri, Nov 14 - Fri, Nov 21
Delta Logo
1:10 pm - 8:30 pmBIS-PDX
9h 20m1 stop
Delta Logo
11:10 am - 11:22 pmPDX-BIS
10h 12m2 stops
$304Delta
Find Deal
Sat, Feb 21 - Tue, Feb 24
Delta Logo
1:10 pm - 8:30 pmBIS-PDX
9h 20m1 stop
Delta Logo
12:55 am - 10:56 amPDX-BIS
8h 01m1 stop
$309Delta
Find Deal
Thu, Jan 29 - Sat, Jan 31
Delta Logo
1:28 pm - 5:35 pmBIS-PDX
6h 07m1 stop
Delta Logo
11:10 am - 11:28 pmPDX-BIS
10h 18m2 stops
$334Delta
Find Deal
Thu, Jan 29 - Sun, Feb 1
United Airlines Logo
5:45 am - 9:38 amBIS-PDX
5h 53m1 stop
United Airlines Logo
5:00 am - 12:54 pmPDX-BIS
5h 54m1 stop
$366United Airlines
Find Deal
Wed, Nov 26 - Thu, Dec 4
Delta Logo
11:30 am - 4:51 pmBIS-PDX
7h 21m1 stop
Delta Logo
6:15 am - 4:53 pmPDX-BIS
8h 38m1 stop
$369Delta
Find Deal
Sat, Feb 21 - Tue, Feb 24
American Airlines Logo
6:00 am - 11:06 pmBIS-PDX
19h 06m1 stop
American Airlines Logo
12:49 am - 11:01 pmPDX-BIS
20h 12m1 stop
$768American Airlines
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Thu, Dec 18 - Fri, Jan 2
American Airlines Logo
2:28 pm - 11:26 pmBIS-PDX
10h 58m1 stop
American Airlines Logo
12:59 am - 10:23 pmPDX-BIS
19h 24m1 stop
$844American Airlines
Find Deal
Fri, Nov 14 - Thu, Nov 20

Delta flights from Bismarck to Portland

Our best Delta deals on Bismarck to Portland flight tickets
Delta
Feb 21
BIS1:10 pmBismarck
9h 20m
1 stop
PDX8:30 pmPortland
Feb 23
PDX12:55 amPortland
8h 01m
1 stop
BIS10:56 amBismarck
$259
Find similar
Delta
Feb 21
BIS1:10 pmBismarck
9h 20m
1 stop
PDX8:30 pmPortland
Feb 24
PDX11:10 amPortland
10h 12m
2 stops
BIS11:22 pmBismarck
$304
Find similar
Delta
Jan 29
BIS1:10 pmBismarck
9h 20m
1 stop
PDX8:30 pmPortland
Jan 31
PDX12:55 amPortland
8h 01m
1 stop
BIS10:56 amBismarck
$309
Find similar

United Airlines flights from Bismarck to Portland

Our best United Airlines deals on Bismarck to Portland flight tickets
United Airlines
Nov 14
BIS5:45 amBismarck
11h 01m
2 stops
PDX2:46 pmPortland
Nov 21
PDX4:02 pmPortland
5h 37m
1 stop
BIS11:39 pmBismarck
$279
Find similar
United Airlines
Nov 14
BIS5:15 pmBismarck
6h 11m
1 stop
PDX9:26 pmPortland
Nov 21
PDX4:02 pmPortland
5h 37m
1 stop
BIS11:39 pmBismarck
$287
Find similar
United Airlines
Nov 26
BIS5:45 amBismarck
5h 53m
1 stop
PDX9:38 amPortland
Dec 4
PDX5:00 amPortland
5h 54m
1 stop
BIS12:54 pmBismarck
$366
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Bismarck to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 2/21

1:10 pm-8:30 pm

1 stop9h 20m

Portland

Mon 2/23

12:55 am-10:56 am

1 stop8h 01m

$259

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 11/14

5:45 am-2:46 pm

2 stops11h 01m

Portland

Fri 11/21

4:02 pm-11:39 pm

1 stop5h 37m

$279

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 11/14

5:15 pm-9:26 pm

1 stop6h 11m

Portland

Fri 11/21

4:02 pm-11:39 pm

1 stop5h 37m

$287

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 2/21

1:10 pm-8:30 pm

1 stop9h 20m

Portland

Tue 2/24

11:10 am-11:22 pm

2 stops10h 12m

$304

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Thu 1/29

1:10 pm-8:30 pm

1 stop9h 20m

Portland

Sat 1/31

12:55 am-10:56 am

1 stop8h 01m

$309

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Thu 1/29

1:28 pm-5:35 pm

1 stop6h 07m

Portland

Sun 2/1

11:10 am-11:28 pm

2 stops10h 18m

$334

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Wed 11/26

5:45 am-9:38 am

1 stop5h 53m

Portland

Thu 12/4

5:00 am-12:54 pm

1 stop5h 54m

$366

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 2/21

11:30 am-4:51 pm

1 stop7h 21m

Portland

Tue 2/24

6:15 am-4:53 pm

1 stop8h 38m

$369

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Thu 12/18

6:00 am-11:06 pm

1 stop19h 06m

Portland

Fri 1/2

12:49 am-11:01 pm

1 stop20h 12m

$768

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 11/14

2:28 pm-11:26 pm

1 stop10h 58m

Portland

Thu 11/20

12:59 am-10:23 pm

1 stop19h 24m

$844

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Bismarck to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Bismarck is in February. Flight prices, which tend to average around $258, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in February, then you should wait until January to fly from Bismarck, when ticket prices are also cheap, with an average price of $321.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $333. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Monday, with ticket prices averaging around $647.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $298. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $597 per ticket.

When to book flights from Bismarck to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Bismarck to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bismarck to Portland (BIS to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bismarck to Portland

Direct flights

None
There are no direct flights from Bismarck to Portland. There are no popular flight routes from Bismarck to Portland.
Search flight deals

  • How far is Bismarck to Portland by plane?

    Bismarck and Portland are 1047.2 mi apart from one another. By plane, this route typically takes 5h 53m.

  • When did momondo last update prices for flights from Bismarck Airport to Portland Airport?

    Prices for flights from Bismarck Airport to Portland Airport refresh daily.

  • How many operators does momondo search for flights from Bismarck Airport to Portland Airport?

  • How old do you have to be to fly from Bismarck Airport to Portland Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bismarck Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Bismarck to Portland?

Best airlines flying from Bismarck to Portland

Compare and see reviews for airlines that fly from Bismarck to Portland with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $258Free CancellationRating
7.9
7,996 reviews
Search Delta flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
Gresham
McMinnville
Longview
The Dalles
Tigard
Pacific City
Manzanita
Tillamook

Why use momondo?

Why should I use momondo to find a flight deal from Bismarck to Portland?

It is quick and easy to find Bismarck to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.

Can I find flights from Bismarck to Portland with flexible booking policies on momondo?

All flight searches from Bismarck to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Bismarck to Portland?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portland from Bismarck.

I’m not ready to book a flight from Bismarck to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Bismarck to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

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