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Cheap flights from Bismarck to Portland from $311

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 9/12. 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
1 adult, Economy, 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
10:00 am - 3:58 pm
BIS
-
PDX
7h 58m
1 stop
Delta Logo
11:39 am - 7:53 pm
PDX
-
BIS
6h 14m
1 stop
$311Delta
Sat, Sep 12 - Sat, Sep 19
United Airlines Logo
6:00 am - 9:49 am
BIS
-
PDX
5h 49m
1 stop
United Airlines Logo
5:00 am - 1:05 pm
PDX
-
BIS
6h 05m
1 stop
$339United Airlines
Wed, Apr 29 - Sun, May 3
Delta Logo
1:26 pm - 8:17 pm
BIS
-
PDX
8h 51m
1 stop
Delta Logo
3:00 pm - 11:14 pm
PDX
-
BIS
6h 14m
1 stop
$340Delta
Fri, Jul 3 - Sat, Jul 4
Delta Logo
1:10 pm - 11:53 pm
BIS
-
PDX
12h 43m
2 stops
Delta Logo
11:39 am - 7:53 pm
PDX
-
BIS
6h 14m
1 stop
$345Delta
Sat, Sep 12 - Sat, Sep 19
Delta Logo
11:30 am - 3:58 pm
BIS
-
PDX
6h 28m
1 stop
Delta Logo
11:39 am - 7:53 pm
PDX
-
BIS
6h 14m
1 stop
$354Delta
Fri, Sep 11 - Fri, Sep 18
Delta Logo
1:19 pm - 8:07 pm
BIS
-
PDX
8h 48m
1 stop
Delta Logo
12:30 am - 10:34 am
PDX
-
BIS
8h 04m
1 stop
$367Delta
Wed, Apr 29 - Tue, May 5
Delta Logo
1:27 pm - 8:15 pm
BIS
-
PDX
8h 48m
1 stop
Delta Logo
3:00 pm - 11:12 pm
PDX
-
BIS
6h 12m
1 stop
$369Delta
Tue, Jul 21 - Tue, Jul 28
Delta Logo
1:19 pm - 8:07 pm
BIS
-
PDX
8h 48m
1 stop
Delta Logo
1:24 pm - 11:10 pm
PDX
-
BIS
7h 46m
2 stops
$372Delta
Wed, Apr 29 - Wed, May 6
Delta Logo
7:31 am - 12:54 pm
BIS
-
PDX
7h 23m
1 stop
Delta Logo
7:40 pm - 10:54 am
PDX
-
BIS
13h 14m
2 stops
$380Delta
Tue, Sep 22 - Mon, Oct 5
American Airlines Logo
1:45 pm - 9:57 pm
BIS
-
PDX
10h 12m
1 stop
American Airlines Logo
11:58 pm - 12:04 pm
PDX
-
BIS
10h 06m
1 stop
$381American Airlines
Tue, Sep 22 - Mon, Oct 5

American Airlines flights from Bismarck to Portland

Our best American Airlines deals on Bismarck to Portland flight tickets
American Airlines
Sep 22
BIS1:45 pmBismarck
10h 12m
1 stop
PDX9:57 pmPortland
Oct 5
PDX11:58 pmPortland
10h 06m
1 stop
BIS12:04 pmBismarck
$381
American Airlines
Sep 12
BIS1:45 pmBismarck
11h 13m
2 stops
PDX10:58 pmPortland
Sep 19
PDX5:29 amPortland
15h 27m
2 stops
BIS10:56 pmBismarck
$450
American Airlines
Sep 12
BIS1:45 pmBismarck
11h 13m
2 stops
PDX10:58 pmPortland
Sep 19
PDX8:00 amPortland
12h 56m
2 stops
BIS10:56 pmBismarck
$460

United Airlines flights from Bismarck to Portland

Our best United Airlines deals on Bismarck to Portland flight tickets
United Airlines
Apr 29
BIS6:00 amBismarck
5h 49m
1 stop
PDX9:49 amPortland
May 3
PDX5:00 amPortland
6h 05m
1 stop
BIS1:05 pmBismarck
$339
United Airlines
Apr 10
BIS6:00 amBismarck
5h 48m
1 stop
PDX9:48 amPortland
Apr 17
PDX5:00 amPortland
5h 58m
1 stop
BIS12:58 pmBismarck
$354
United Airlines
May 5
BIS9:00 amBismarck
6h 15m
1 stop
PDX1:15 pmPortland
May 9
PDX7:15 amPortland
11h 16m
2 stops
BIS8:31 pmBismarck
$406

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 March 29, 2026.
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

Cheapest round-trip

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 9/12

10:00 am-3:58 pm

1 stop7h 58m

Portland

Sat 9/19

11:39 am-7:53 pm

1 stop6h 14m

$311
Quickest round-trip

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Wed 4/29

6:00 am-9:49 am

1 stop5h 49m

Portland

Sun 5/3

5:00 am-1:05 pm

1 stop6h 05m

$339

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 7/3

1:26 pm-8:17 pm

1 stop8h 51m

Portland

Sat 7/4

3:00 pm-11:14 pm

1 stop6h 14m

$340

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 9/12

1:10 pm-11:53 pm

2 stops12h 43m

Portland

Sat 9/19

11:39 am-7:53 pm

1 stop6h 14m

$345

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 9/11

11:30 am-3:58 pm

1 stop6h 28m

Portland

Fri 9/18

11:39 am-7:53 pm

1 stop6h 14m

$354

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Wed 4/29

1:19 pm-8:07 pm

1 stop8h 48m

Portland

Tue 5/5

12:30 am-10:34 am

1 stop8h 04m

$367

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Tue 7/21

1:27 pm-8:15 pm

1 stop8h 48m

Portland

Tue 7/28

3:00 pm-11:12 pm

1 stop6h 12m

$369

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Wed 4/29

1:19 pm-8:07 pm

1 stop8h 48m

Portland

Wed 5/6

1:24 pm-11:10 pm

2 stops7h 46m

$372

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Tue 9/22

7:31 am-12:54 pm

1 stop7h 23m

Portland

Mon 10/5

7:40 pm-10:54 am

2 stops13h 14m

$380

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Tue 9/22

1:45 pm-9:57 pm

1 stop10h 12m

Portland

Mon 10/5

11:58 pm-12:04 pm

1 stop10h 06m

$381

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 typical price of a round-trip flight between Bismarck and Portland?

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Bismarck is in September. Flight prices, which tend to average around $326, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until November to fly from Bismarck, when ticket prices are also cheap, with an average price of $338.

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

Fastest flight time

6h 15m

Direct flights

None
The fastest flight from Bismarck to Portland takes 6h 15m
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 6h 15m.

  • 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
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,509 reviews
Search United Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
8,359 reviews
Search Delta 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
Rockaway Beach
Depoe Bay
Beaverton
Hillsboro
Tigard
Hood River
Longview
Troutdale
Newberg
McMinnville
The Dalles
Manzanita
Pacific City

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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