PDX - BIS

$518 Find Cheap Flights from Portland to Bismarck

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Bismarck departing on 1/16. 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
$309
Typical prices: $378-$408
United Airlines
Fri 1/16Sun 1/18
PDX - BIS • 1 stop
Cheapest one-way
Multiple Airlines
Mon 12/22
PDX - BIS • multi-stop
When to travel
September
Cheapest • 35% price drop
July
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

Fri, Jan 16 - Sun, Jan 18
United Airlines Logo
3:45 pm - 11:30 pm
PDX
-
BIS
5h 45m1 stop
United Airlines Logo
5:30 am - 9:45 am
BIS
-
PDX
6h 15m1 stop
$309United Airlines
Fri, Jan 16 - Sun, Jan 18
United Airlines Logo
5:00 am - 12:51 pm
PDX
-
BIS
5h 51m1 stop
United Airlines Logo
5:30 am - 12:34 pm
BIS
-
PDX
9h 04m2 stops
$314United Airlines
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
5:00 am - 12:51 pm
PDX
-
BIS
5h 51m1 stop
United Airlines Logo
1:35 pm - 11:06 pm
BIS
-
PDX
11h 31m2 stops
$394United Airlines
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
5:00 am - 12:51 pm
PDX
-
BIS
5h 51m1 stop
United Airlines Logo
1:35 pm - 1:45 pm
BIS
-
PDX
26h 10m1 stop
$417United Airlines
Fri, Jan 2 - Mon, Jan 5
United Airlines Logo
2:45 pm - 11:52 pm
PDX
-
BIS
7h 07m1 stop
United Airlines Logo
1:49 pm - 5:32 pm
BIS
-
PDX
5h 43m1 stop
$442United Airlines
Fri, Jan 16 - Sun, Jan 18
United Airlines Logo
1:35 pm - 12:51 pm
PDX
-
BIS
21h 16m2 stops
United Airlines Logo
5:30 am - 12:34 pm
BIS
-
PDX
9h 04m2 stops
$465United Airlines
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
1:24 pm - 11:30 pm
PDX
-
BIS
8h 06m1 stop
United Airlines Logo
5:30 am - 9:45 am
BIS
-
PDX
6h 15m1 stop
$518United Airlines
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
3:45 pm - 11:30 pm
PDX
-
BIS
5h 45m1 stop
United Airlines Logo
9:00 am - 6:56 pm
BIS
-
PDX
11h 56m2 stops
$523United Airlines
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
5:35 am - 8:38 pm
PDX
-
BIS
13h 03m2 stops
United Airlines Logo
1:35 pm - 11:06 pm
BIS
-
PDX
11h 31m2 stops
$527United Airlines
Fri, Jan 2 - Mon, Jan 5
United Airlines Logo
2:45 pm - 11:52 pm
PDX
-
BIS
7h 07m1 stop
United Airlines Logo
1:49 pm - 12:42 pm
BIS
-
PDX
24h 53m2 stops
$604United 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 January.

What’s the cheapest day of the week to fly from Portland to Bismarck?

The average price of all round-trip flights from Portland to Bismarck clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Bismarck on a Friday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from Portland to Bismarck. For your return ticket, we recommend flying on a Wednesday and avoiding Mondays for the best deals.

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 September, where tickets cost $287 (return) on average. On the other hand, the most expensive months are December and November, where the average cost of round-trip tickets is $672 and $566 respectively.

Good to know

Low seasonSeptember
Cheapest flight$309
Best time to beat the crowds with an average 35% drop in price.
Most popular time to fly and prices are also 12% 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 $518 for a round-trip ticket.

  • 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 $319 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 $450 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 8014 reviews
7.9Comfort
7.3Food
8.1Boarding
8.5Crew
7.9Entertainment
Airline reviews

Flight delays both to Detroits and return flight . The flight to Detroit was associated with mechanical difficulty

2.0 MediocreGina, Dec 2025
DTW - ELM
Read more Delta reviews

Flight delays both to Detroits and return flight . The flight to Detroit was associated with mechanical difficulty

I am extremely disappointed that delta internal pilot manuals now refer to the Gulf of Mexico as the “gulf of America”. You can bow down to the Orange turd on your own. I will never fly delta again

Wasn't a Delta issue I don't think, but seems there was a Delta flight at each of the 2 Dallas airports at the same exact time, both to Atlanta. I was evidently booked on the one at Love Airport, but the Carey transport shuttle took me to DFW instead and I ended up missing the flight by just a few minutes. Was able to book a Southwest flight from Love Airport, but was a big loss of time and an inconvenience.

Great. I had to modify a flight. That was easy and free. Thank You

I noticed that the planes seem to be outdated. There was no entertainment per se. Also, the waiting area did not have any working electrical outlets

Original flight was cancelled and when i was rebooked by the airline, they couldn't seat me in the same type of seat as I had originally booked (went from window/aisle to middle/middle and one was a bulkhead seat, and other wasn't in the same class)

Lady Pilot was perfect in every way wheels up to wheels down communication, professionalism, excellent on time departure and on time arrival, excellent communication! Fantastic job with Superb attitude!!

The food is terrible. The staff is wonderful. Comfort is good.

Left on time, a bit delayed due to headwinds most of the trip.

I fly Delta all the time, have Platinum Medallion status. But this route seems to have major problems with delays and seems to never leave on time! Have only taken it twice in the last two weeks, and each time it had delays of more than 1 hour... very disappointed!!!!

Very turbulent trip made it pretty bearable, plus the lack of refreshments served and the lack of any air conditioning before takeoff which took an hour or more.

Flight was late - I was downgraded from first class to coach

Not good - outbound flight was delayed and missed my connection even though I got to the gate after running through the airport - the agent would not let me on because the door was closed (flight had not left). There was no notification from United - overall experience was very disappointing. Additionally, I was downgraded from first class to coach on the alternative flight

The flight was on time. I generally don’t drink or eat on short flights and the seats were good and the flight attendants were friendly. That’s all I expect

It was nice to have gotten up upgraded to first class with a meal on a three hour flight

United have really come back. Airport and boarding process is clear and good, app and information also very good

Flight was delayed 8 times. We were sitting at the airport for 14 hours. We got 2 hours of sleep (if that) on what was not meant to be a red-eye.

After a delay at the gate, C3, at Ohare on Sunday, I left my Blk ski coat on the bench at the gate, lost! Please review my lob claim, thx.

Very bad! They kept delaying my flight and wouldn’t do anything about it

They brought an empty plane to the gate. Then a flight delay was announced for maintenance and waiting on a part. I was then put on a flight to San Francisco instead with a connecting flight to my final destination. Arrived at my final destination 2 hours late.

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

Information on your arrival and departure airports