PDX - BIS

$258 Find Cheap Flights from Portland to Bismarck

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Bismarck departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Bismarck

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Bismarck, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Bismarck, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$325
Typical prices: $640-$360
United Airlines
Thu 5/28Mon 6/1
PDX - BIS • 1 stop
Cheapest one-way
$258
Allegiant Air
Sun 5/3
PDX - BIS • 1 stop
Top airlines
Cheapest • from $325 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Portland and Bismarck. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $447 (round-trip)
Shortest trip • 5h 48m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 42% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Bismarck!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Portland to Bismarck (PDX-BIS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Bismarck that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Bismarck

Thu, May 28 - Mon, Jun 1
United Airlines Logo
4:15 pm - 11:41 pm
PDX
-
BIS
5h 26m
1 stop
United Airlines Logo
6:25 pm - 10:55 pm
BIS
-
PDX
6h 30m
1 stop
$325United Airlines
Wed, May 13 - Sat, May 16
United Airlines Logo
5:00 am - 1:05 pm
PDX
-
BIS
6h 05m
1 stop
United Airlines Logo
6:00 am - 9:38 am
BIS
-
PDX
5h 38m
1 stop
$339United Airlines
Wed, May 13 - Sat, May 16
Delta Logo
3:10 pm - 11:22 pm
PDX
-
BIS
6h 12m
1 stop
Delta Logo
10:00 am - 3:56 pm
BIS
-
PDX
7h 56m
2 stops
$344Delta
Wed, May 13 - Sat, May 16
Delta Logo
5:45 am - 5:01 pm
PDX
-
BIS
9h 16m
2 stops
Delta Logo
10:00 am - 3:56 pm
BIS
-
PDX
7h 56m
2 stops
$349Delta
Sun, May 3 - Sun, May 10
Delta Logo
12:30 am - 10:34 am
PDX
-
BIS
8h 04m
1 stop
Delta Logo
11:09 am - 5:15 pm
BIS
-
PDX
8h 06m
1 stop
$354Delta
Mon, May 4 - Sun, May 10
Delta Logo
7:32 pm - 10:34 am
PDX
-
BIS
13h 02m
2 stops
Delta Logo
11:09 am - 5:15 pm
BIS
-
PDX
8h 06m
1 stop
$359Delta
Sun, May 3 - Sun, May 10
Delta Logo
7:32 pm - 10:34 am
PDX
-
BIS
13h 02m
2 stops
Delta Logo
5:42 pm - 11:44 pm
BIS
-
PDX
8h 02m
2 stops
$364Delta
Wed, May 6 - Sun, May 10
United Airlines Logo
5:00 am - 1:05 pm
PDX
-
BIS
6h 05m
1 stop
United Airlines Logo
1:55 pm - 5:44 pm
BIS
-
PDX
5h 49m
1 stop
$369United Airlines
Wed, May 6 - Sun, May 10
United Airlines Logo
7:15 am - 8:31 pm
PDX
-
BIS
11h 16m
2 stops
United Airlines Logo
5:06 pm - 9:09 pm
BIS
-
PDX
6h 03m
1 stop
$374United Airlines
Wed, May 6 - Sun, May 10
United Airlines Logo
7:15 am - 8:31 pm
PDX
-
BIS
11h 16m
2 stops
United Airlines Logo
6:00 am - 2:06 pm
BIS
-
PDX
10h 06m
2 stops
$379United Airlines
Booking Insights

KAYAK's insights & trends for Portland to Bismarck flights

Get data-powered insights and trends into flights from Portland to Bismarck to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Portland to Bismarck?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Portland to Bismarck departing in May.

What is the cheapest month to fly from Portland to Bismarck?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Bismarck, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to Bismarck is February, where tickets cost $279 (return) on average. On the other hand, the most expensive months are March and May, where the average cost of round-trip tickets is $829 and $593 respectively.

Good to know

Low seasonJanuary
Cheapest flight$258
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly and prices are also 19% lower on average.
Flight from Portland to Bismarck

When to book flights from Portland to Bismarck

Are your dates flexible? Find out the best times to travel from Portland to Bismarck based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Portland to Bismarck

  • What is the cheapest flight from Portland to Bismarck?

    In the last 3 days, the lowest price for a flight from Portland to Bismarck was $258 for a one-way ticket and $325 for a round-trip.

  • Do I need a passport to fly between Portland and Bismarck?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from Portland to Bismarck?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Portland to Bismarck?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Portland and Bismarck, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Portland to Bismarck, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Portland to Bismarck are Delta and United Airlines. With an average price for the route of $423 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $520 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Portland to Bismarck?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Bismarck.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Bismarck?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bismarck from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Bismarck?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bismarck with an airline and back to Portland with another airline. Booking your flights between Portland and BIS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Bismarck?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bismarck from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Portland to Bismarck

 
See real verified KAYAK customer reviews for airlines flying from Portland to Bismarck. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Portland to Bismarck? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8438 reviews
7.2Food
7.9Comfort
7.8Entertainment
8.1Boarding
8.5Crew
Airline reviews

This wasn't my experience with Delta. It was just the Pegasus flight. Seats were very hard. Staff was kinda rough. Not very nice. Charged me for snacks. For a 4 hour flight I would've expected more.

4.0 OkayAnonymous, Apr 2026
MYR - ATL
Read more Delta reviews

This wasn't my experience with Delta. It was just the Pegasus flight. Seats were very hard. Staff was kinda rough. Not very nice. Charged me for snacks. For a 4 hour flight I would've expected more.

Crew was nice, meal was good. Entertainment had to be rebooted 3 times and still did not work. Turns out there was residue on screen, it needed to be cleaned to prevent the touchscreen buttons from continuously activating. I had entertainment for the last 45 minutes of a 5 hour 45 minute flight. Really unacceptable for first class. Flight attendent indicated your cleaning solution creates this problem. Seems as if this is widely known, you should be using a different product or cleaning better. Really really disappointing which simply added to the wi fi on your planes with reliably never ever works.

The baggage belt was not updated on the Delta App and was displayed on the wrong belt board. Was not expecting this to happen.

The plan was delayed and left DC 90 minutes late. However, it showed a 20 minute delay on the delta app, then a 12 min delay. It turned out to be an hour delay. I found out where the plane was with flightaware. Stop keeping customers in the dark about what is going on.

Everything went smoothly, although the usual gripes about airline travel were still present: the boarding process is inefficient, the snack selection is limited, and so on. Since there was extra space on the flight, the gate agent rearranged many people's seats to put people on the aisles and windows, leaving the middle seats empty, as much as possible, which was pretty great.

Landed without a gate ready. Plane is extremely old and dirty.

All the amenities was wonderful, if they could keep their prices that low. I'd fly with them all the time.

Very old plane with no inflight entertainment. I purchased the internet pass and it was nearly unusable.

My tray was broken so i had no place to work or eat except my lap. Flight attendant said I would get an email with some credit or miles, it was a complete waste of time as I could only function at about 20% of normal. I have not received anything yet.

Short trip, no food and therefore no expectation for much interaction with staff who were pleasant and professional. My critique is on comfort of the seats. Exit rows and comfort seats do not provide enough personal space for 3 side-by-side seats, especially when in the middle row. Some passengers are not considerate of the middle seat and there should be signs that state something to the effect of: "please consider giving middle seats use of the armrests."

They told us yesterday APR21st that they were cleaning the plane and we got delayed. After that they said they didn't had any crew for the flight so they cancelled the flight till next day.

The crew was great. Very friendly and responsive. The plane was old, small and tight. We ran out of overhead space and I had to check. Middle seat was particularly tight.

The flight crew on this leg of my trip was very friendly and pleasant. Every one of them was humorous, as well as helpful and accommodating. This group was BY FAR the best crew I’ve flown with. They deserve kudos.

boarded early to only find out that flight would sit at gate for 45 min to an hour. Landed in chicago and sat on runway for over an hour before got to gate. Total delay was extensive for a 45 min flight door to door.

The flight was delayed from take off because only one runway was operational in San Francisco.

Several missed and almost missed connections. It felt like everything was being patched together last minute without enough resources and it ended up being an extremely stressful experience that basically ruined our weekend on the west coast. What a waste.

Really hard landing... as in slammed into the runway then hit the brakes really hard ...

The flight was significantly delayed. The inbound flight from EWR was delayed departing because of mechanical problems. My original departure from CLT was 5:28 pm but due to the delay of the inbound flight, after arrival, deplaning, cleaning, boarding, we did not push back from the gate until 9:00 pm. Once in the air, the flight was smooth and what was originally supposed to be an arrival in ORD at 7:30 pm local time turned out to be 9:35 pm.

My bags were misplaced!!! Im in a foreign country with no bags

The entertainment options on the seat back video boards were nice.

Everything you need to know for your flight from Portland to Bismarck

Information on your arrival and departure airports