$320+ Cheap flights from Bismarck to Portland (BIS - PDX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — PDX
Jul 9 — Jul 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Bismarck to Portland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Bismarck to Portland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Bismarck to PortlandExplore the most affordable flight options available from Bismarck to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
Explore the most affordable flight options available from Bismarck to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:30 pm
BIS
- PDX
1 stop8h 17m
Delta
Tue 10/203:10 pm
PDX
- BIS
1 stop6h 11m
Delta
Deal found 6/9![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:10 pm
BIS
- PDX
1 stop9h 05m
Delta
Fri 9/183:00 pm
PDX
- BIS
1 stop6h 06m
Delta
Deal found 6/7![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:45 am
BIS
- PDX
1 stop5h 55m
United Airlines
Sat 10/314:05 pm
PDX
- BIS
1 stop5h 32m
United Airlines
Deal found 6/7![United Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:10 pm
BIS
- PDX
1 stop9h 05m
Delta
Sat 9/1911:35 am
PDX
- BIS
1 stop6h 10m
Delta
Deal found 6/7![Delta logo]()
$425
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:12 am
BIS
- PDX
1 stop8h 14m
Delta
Sat 9/2612:20 am
PDX
- BIS
1 stop8h 12m
Delta
Deal found 6/7![Delta logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1212:06 pm
BIS
- PDX
2 stops25h 24m
Multiple Airlines
Thu 7/166:38 pm
PDX
- BIS
1 stop24h 36m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
BIS
- PDX
1 stop5h 32m
United Airlines
Wed 8/194:07 pm
PDX
- BIS
1 stop5h 31m
United Airlines
Deal found 6/9![United Airlines logo]()
$448
Best flights from Bismarck to PortlandDiscover carefully curated flight deals from Bismarck to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
Discover carefully curated flight deals from Bismarck to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:30 pm
BIS
- PDX
1 stop8h 17m
Delta
Tue 10/203:10 pm
PDX
- BIS
1 stop6h 11m
Delta
Deal found 6/9![Delta logo]()
$320
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:45 am
BIS
- PDX
1 stop5h 55m
United Airlines
Sat 10/314:05 pm
PDX
- BIS
1 stop5h 32m
United Airlines
Deal found 6/7![United Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:10 pm
BIS
- PDX
1 stop9h 05m
Delta
Fri 9/183:00 pm
PDX
- BIS
1 stop6h 06m
Delta
Deal found 6/8![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:10 pm
BIS
- PDX
1 stop9h 05m
Delta
Sat 9/191:52 pm
PDX
- BIS
1 stop7h 14m
Delta
Deal found 6/5![Delta logo]()
$428
Last-minute flights from Bismarck to PortlandDiscover last-minute flight deals from Bismarck to Portland. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Bismarck to Portland. Data last updated June 9, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:25 pm
BIS
- PDX
1 stop6h 33m
United Airlines
Wed 6/244:21 pm
PDX
- BIS
1 stop5h 20m
United Airlines
Deal found 6/8![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/281:26 pm
BIS
- PDX
1 stop8h 51m
Delta
Sat 7/411:47 am
PDX
- BIS
1 stop6h 02m
Delta
Deal found 6/7![Delta logo]()
$589
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:06 pm
BIS
- PDX
1 stop7h 18m
Multiple Airlines
Tue 7/75:16 pm
PDX
- BIS
2 stops40h 00m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$507
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:00 am
BIS
- PDX
1 stop6h 40m
Delta
Tue 7/73:00 pm
PDX
- BIS
1 stop6h 11m
Delta
Deal found 6/9![Delta logo]()
$509
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:42 pm
BIS
- PDX
1 stop7h 36m
Delta
Tue 7/73:00 pm
PDX
- BIS
1 stop6h 11m
Delta
Deal found 6/9![Delta logo]()
$475
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:55 pm
BIS
- PDX
1 stop9h 34m
American Airlines
Tue 7/711:15 pm
PDX
- BIS
2 stops12h 10m
American Airlines
Deal found 6/9![American Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1212:06 pm
BIS
- PDX
2 stops25h 24m
Multiple Airlines
Thu 7/166:38 pm
PDX
- BIS
1 stop24h 36m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$436
One-way flights from Bismarck to PortlandSearch for one-way flight options from Bismarck to Portland. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
Search for one-way flight options from Bismarck to Portland. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/201:01 pm
BIS
- PDX
1 stop10h 49m
American Airlines
Deal found 6/7![American Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:40 pm
BIS
- PDX
1 stop7h 38m
Delta
Deal found 6/8![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:05 am
BIS
- PDX
2 stops30h 15m
United Airlines
Deal found 6/7![United Airlines logo]()
$408
Find flight deals from Bismarck to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $320 (Delta) |
Popular in | April |
Cheapest in | October |
Average price | $324 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 9, 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
Cheapest round-trip
BismarckPortland
BIS - PDX
BISPDX
Bismarck
Fri 10/16
5:30 pm-11:47 pm
1 stop8h 17m
Portland
Tue 10/20
3:10 pm-11:21 pm
1 stop6h 11m
$320
BismarckPortland
BIS - PDX
BISPDX
Bismarck
Fri 9/11
1:10 pm-8:15 pm
1 stop9h 05m
Portland
Fri 9/18
3:00 pm-11:06 pm
1 stop6h 06m
$354
Quickest round-trip
BismarckPortland
BIS - PDX
BISPDX
Bismarck
Tue 10/27
5:45 am-9:40 am
1 stop5h 55m
Portland
Sat 10/31
4:05 pm-11:37 pm
1 stop5h 32m
$401
BismarckPortland
BIS - PDX
BISPDX
Bismarck
Sat 9/12
1:10 pm-8:15 pm
1 stop9h 05m
Portland
Sat 9/19
1:52 pm-11:06 pm
1 stop7h 14m
$428
Cheapest one-way
Quickest one-way
BismarckPortland
BIS - PDX
BISPDX
Bismarck
Mon 7/20
5:40 pm-11:18 pm
1 stop7h 38m
$384
BismarckPortland
BIS - PDX
BISPDX
Bismarck
Mon 7/20
6:05 am-10:20 am
2 stops30h 15m
$408
BismarckPortland
BIS - PDX
BISPDX
Bismarck
Mon 7/20
1:55 pm-9:29 pm
1 stop9h 34m
$425
Sorted by cheapest first
Compare providers for flights from Bismarck to Portland
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bismarck to Portland in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Bismarck-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bismarck-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bismarck-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Bismarck-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bismarck-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Bismarck to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Bismarck with our price prediction graph.
BIS-PDX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Bismarck to Portland
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated June 9, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Bismarck to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.9
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.9
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.9
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Bismarck to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Bismarck
Popular flights
Portland flight routes
Alternative routes for Bismarck to Portland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Bismarck to Portland by cabin class
Find flights from Bismarck to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Bismarck and Portland flights
Browse other Bismarck and Portland flight options. Last updated on June 9, 2026.
Other flights from Bismarck
Browse through other flights departing from Bismarck. Flights are based on user searches made on Cheapflights and were last updated on June 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 9, 2026.
Top 2 airlines flying from Bismarck to Portland
Discover the top 2 airlines that operate flights from Bismarck to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$540 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$258 | Average$324 | FlexibilityNo cancel fee | On-timeN/A |