$148+ Cheap flights from Portland to Bismarck (PDX - BIS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIS
Jun 24 — Jul 11
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Bismarck 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 Portland to Bismarck
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Cheapest flights from Portland to BismarckExplore the most affordable flight options available from Portland to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 25, 2026.
Explore the most affordable flight options available from Portland to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 25, 2026.
This Delta deal was found by Cheapflights users on 5/21. 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 8/143:28 pm
PDX
- BIS
1 stop5h 44m
Delta
Thu 8/271:27 pm
BIS
- PDX
1 stop6h 07m
Delta
Deal found 5/21![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 5/21. 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 8/143:28 pm
PDX
- BIS
1 stop5h 44m
Delta
Wed 8/195:00 am
BIS
- PDX
1 stop7h 48m
Delta
Deal found 5/21![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 5/24. 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.
Wed 5/2711:58 am
PDX
- BIS
1 stop5h 36m
Delta
Tue 6/211:09 am
BIS
- PDX
1 stop8h 06m
Delta
Deal found 5/24![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 5/24. 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 5/2711:16 am
PDX
- BIS
2 stops10h 25m
United Airlines
Wed 6/36:25 pm
BIS
- PDX
1 stop6h 33m
United Airlines
Deal found 5/24![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 5/24. 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.
Wed 5/271:35 pm
PDX
- BIS
1 stop7h 47m
Delta
Mon 6/18:04 am
BIS
- PDX
1 stop6h 26m
Delta
Deal found 5/24![Delta logo]()
$395
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Fri 6/55:00 am
PDX
- BIS
1 stop5h 56m
United Airlines
Tue 6/91:45 pm
BIS
- PDX
2 stops9h 09m
United Airlines
Deal found 5/21![United Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 5/24. 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.
Tue 5/261:35 pm
PDX
- BIS
1 stop7h 47m
Delta
Wed 6/35:00 am
BIS
- PDX
1 stop7h 53m
Delta
Deal found 5/24![Delta logo]()
$423
This American Airlines deal was found by Cheapflights users on 5/24. 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.
Wed 5/2710:59 pm
PDX
- BIS
2 stops12h 31m
American Airlines
Wed 6/36:00 am
BIS
- PDX
2 stops10h 57m
American Airlines
Deal found 5/24![American Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 5/24. 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.
Wed 5/276:15 am
PDX
- BIS
1 stop8h 46m
Delta
Thu 6/48:04 am
BIS
- PDX
1 stop6h 26m
Delta
Deal found 5/24![Delta logo]()
$435
This Delta deal was found by Cheapflights users on 5/21. 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.
Wed 6/103:00 pm
PDX
- BIS
1 stop6h 21m
Delta
Mon 6/155:42 pm
BIS
- PDX
1 stop7h 36m
Delta
Deal found 5/21![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 5/24. 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 5/253:10 pm
PDX
- BIS
1 stop6h 12m
Delta
Tue 6/211:09 am
BIS
- PDX
1 stop8h 06m
Delta
Deal found 5/24![Delta logo]()
$451
This United Airlines deal was found by Cheapflights users on 5/24. 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 5/2711:05 am
PDX
- BIS
1 stop7h 23m
United Airlines
Sat 6/61:45 pm
BIS
- PDX
1 stop6h 01m
United Airlines
Deal found 5/24![United Airlines logo]()
$457
Best flights from Portland to BismarckDiscover carefully curated flight deals from Portland to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 25, 2026.
Discover carefully curated flight deals from Portland to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 25, 2026.
This Delta deal was found by Cheapflights users on 5/21. 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 8/143:28 pm
PDX
- BIS
1 stop5h 44m
Delta
Thu 8/271:27 pm
BIS
- PDX
1 stop6h 07m
Delta
Deal found 5/21![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 5/21. 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 8/1411:20 pm
PDX
- BIS
2 stops12h 05m
American Airlines
Wed 8/196:45 am
BIS
- PDX
2 stops12h 06m
American Airlines
Deal found 5/21![American Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
Wed 7/15:20 pm
PDX
- BIS
2 stops15h 56m
Multiple Airlines
Sun 7/512:06 pm
BIS
- PDX
1 stop7h 58m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Sat 6/68:35 am
PDX
- BIS
2 stops9h 53m
United Airlines
Wed 6/106:25 pm
BIS
- PDX
1 stop6h 33m
United Airlines
Deal found 5/22![United Airlines logo]()
$631
This Delta deal was found by Cheapflights users on 5/21. 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 8/143:28 pm
PDX
- BIS
1 stop5h 44m
Delta
Wed 8/195:00 am
BIS
- PDX
1 stop7h 48m
Delta
Deal found 5/21![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 5/21. 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.
Wed 6/103:00 pm
PDX
- BIS
1 stop6h 21m
Delta
Mon 6/155:42 pm
BIS
- PDX
1 stop7h 36m
Delta
Deal found 5/21![Delta logo]()
$439
This American Airlines deal was found by Cheapflights users on 5/21. 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 8/1411:20 pm
PDX
- BIS
2 stops12h 05m
American Airlines
Thu 8/271:55 pm
BIS
- PDX
1 stop9h 41m
American Airlines
Deal found 5/21![American Airlines logo]()
$573
This Delta deal was found by Cheapflights users on 5/25. 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 7/43:00 pm
PDX
- BIS
1 stop6h 14m
Delta
Fri 7/101:27 pm
BIS
- PDX
1 stop8h 48m
Delta
Deal found 5/25![Delta logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 5/22. 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.
Sat 6/611:15 am
PDX
- BIS
1 stop21h 57m
Multiple Airlines
Wed 6/109:46 pm
BIS
- PDX
1 stop22h 41m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$652
This Delta deal was found by Cheapflights users on 5/20. 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.
Wed 6/246:15 am
PDX
- BIS
1 stop8h 47m
Delta
Sat 6/271:26 pm
BIS
- PDX
1 stop8h 51m
Delta
Deal found 5/20![Delta logo]()
$559
This Delta deal was found by Cheapflights users on 5/20. 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.
Wed 6/245:24 pm
PDX
- BIS
2 stops15h 07m
Delta
Mon 6/295:42 pm
BIS
- PDX
1 stop7h 36m
Delta
Deal found 5/20![Delta logo]()
$582
This Delta deal was found by Cheapflights users on 5/20. 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.
Wed 6/246:15 am
PDX
- BIS
1 stop8h 47m
Delta
Fri 6/261:26 pm
BIS
- PDX
1 stop8h 51m
Delta
Deal found 5/20![Delta logo]()
$627
Last-minute flights from Portland to BismarckDiscover last-minute flight deals from Portland to Bismarck. Data last updated May 25, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Bismarck. Data last updated May 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/24. 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 5/251:35 pm
PDX
- BIS
1 stop7h 47m
Delta
Wed 6/35:00 am
BIS
- PDX
1 stop7h 53m
Delta
Deal found 5/24![Delta logo]()
$451
This Delta deal was found by Cheapflights users on 5/24. 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.
Tue 5/261:35 pm
PDX
- BIS
1 stop7h 47m
Delta
Wed 6/35:00 am
BIS
- PDX
1 stop7h 53m
Delta
Deal found 5/24![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 5/24. 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.
Wed 5/2711:58 am
PDX
- BIS
1 stop5h 36m
Delta
Tue 6/211:09 am
BIS
- PDX
1 stop8h 06m
Delta
Deal found 5/24![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 5/24. 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 5/2711:16 am
PDX
- BIS
2 stops10h 25m
United Airlines
Wed 6/36:25 pm
BIS
- PDX
1 stop6h 33m
United Airlines
Deal found 5/24![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 5/24. 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.
Wed 5/271:35 pm
PDX
- BIS
1 stop7h 47m
Delta
Mon 6/18:04 am
BIS
- PDX
1 stop6h 26m
Delta
Deal found 5/24![Delta logo]()
$395
This American Airlines deal was found by Cheapflights users on 5/24. 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.
Wed 5/2710:59 pm
PDX
- BIS
2 stops12h 31m
American Airlines
Wed 6/36:00 am
BIS
- PDX
2 stops10h 57m
American Airlines
Deal found 5/24![American Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 5/24. 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.
Wed 5/276:15 am
PDX
- BIS
1 stop8h 46m
Delta
Thu 6/48:04 am
BIS
- PDX
1 stop6h 26m
Delta
Deal found 5/24![Delta logo]()
$435
This United Airlines deal was found by Cheapflights users on 5/24. 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 5/2711:05 am
PDX
- BIS
1 stop7h 23m
United Airlines
Sat 6/61:45 pm
BIS
- PDX
1 stop6h 01m
United Airlines
Deal found 5/24![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 5/20. 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 5/278:35 am
PDX
- BIS
2 stops13h 06m
United Airlines
Sat 5/301:45 pm
BIS
- PDX
2 stops11h 18m
United Airlines
Deal found 5/20![United Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Fri 6/55:00 am
PDX
- BIS
1 stop5h 56m
United Airlines
Tue 6/91:45 pm
BIS
- PDX
2 stops9h 09m
United Airlines
Deal found 5/21![United Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 5/21. 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.
Wed 6/103:00 pm
PDX
- BIS
1 stop6h 21m
Delta
Mon 6/155:42 pm
BIS
- PDX
1 stop7h 36m
Delta
Deal found 5/21![Delta logo]()
$439
One-way flights from Portland to BismarckSearch for one-way flight options from Portland to Bismarck. Find affordable one-way fares based on user searches. Data last updated May 25, 2026.
Search for one-way flight options from Portland to Bismarck. Find affordable one-way fares based on user searches. Data last updated May 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 7/166:38 pm
PDX
- BIS
1 stop24h 36m
Allegiant Air
Deal found 5/23![Allegiant Air logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 7/196:38 pm
PDX
- BIS
1 stop24h 36m
Allegiant Air
Deal found 5/23![Allegiant Air logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
Tue 7/145:16 pm
PDX
- BIS
2 stops40h 00m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$278
This Delta deal was found by Cheapflights users on 5/20. 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.
Tue 7/1412:33 am
PDX
- BIS
1 stop8h 07m
Delta
Deal found 5/20![Delta logo]()
$304
This American Airlines deal was found by Cheapflights users on 5/24. 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 7/1311:15 pm
PDX
- BIS
2 stops12h 10m
American Airlines
Deal found 5/24![American Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 5/24. 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 6/76:15 am
PDX
- BIS
1 stop8h 47m
Delta
Deal found 5/24![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 5/22. 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.
Wed 6/33:10 pm
PDX
- BIS
1 stop6h 12m
Delta
Deal found 5/22![Delta logo]()
$382
This American Airlines deal was found by Cheapflights users on 5/24. 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 6/810:59 pm
PDX
- BIS
2 stops12h 31m
American Airlines
Deal found 5/24![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 5/20. 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 7/1511:16 am
PDX
- BIS
2 stops10h 25m
United Airlines
Deal found 5/20![United Airlines logo]()
$385
This American Airlines deal was found by Cheapflights users on 5/24. 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.
Wed 6/311:00 pm
PDX
- BIS
2 stops12h 30m
American Airlines
Deal found 5/24![American Airlines logo]()
$387
Find flight deals from Portland to Bismarck
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Bismarck (BIS). 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 May 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (Delta) |
One-way from | $148 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $524 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Bismarck 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 May 25, 2026.
Use the filters below to find and compare flights from Portland to Bismarck that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Fri 8/14
3:28 pm-11:12 pm
1 stop5h 44m
Bismarck
Thu 8/27
1:27 pm-5:34 pm
1 stop6h 07m
$319
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Fri 8/14
3:28 pm-11:12 pm
1 stop5h 44m
Bismarck
Wed 8/19
5:00 am-10:48 am
1 stop7h 48m
$344
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Wed 6/10
3:00 pm-11:21 pm
1 stop6h 21m
Bismarck
Mon 6/15
5:42 pm-11:18 pm
1 stop7h 36m
$439
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Sat 7/4
3:00 pm-11:14 pm
1 stop6h 14m
Bismarck
Fri 7/10
1:27 pm-8:15 pm
1 stop8h 48m
$485
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Fri 8/14
11:20 pm-1:25 pm
2 stops12h 05m
Bismarck
Wed 8/19
6:45 am-4:51 pm
2 stops12h 06m
$492
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Wed 6/24
6:15 am-5:02 pm
1 stop8h 47m
Bismarck
Sat 6/27
1:26 pm-8:17 pm
1 stop8h 51m
$559
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Fri 8/14
11:20 pm-1:25 pm
2 stops12h 05m
Bismarck
Thu 8/27
1:55 pm-9:36 pm
1 stop9h 41m
$573
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Wed 7/1
5:20 pm-11:16 am
2 stops15h 56m
Bismarck
Sun 7/5
12:06 pm-6:04 pm
1 stop7h 58m
$577
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Wed 6/24
5:24 pm-10:31 am
2 stops15h 07m
Bismarck
Mon 6/29
5:42 pm-11:18 pm
1 stop7h 36m
$582
PortlandBismarck
PDX - BIS
PDXBIS
Portland
Wed 6/24
6:15 am-5:02 pm
1 stop8h 47m
Bismarck
Fri 6/26
1:26 pm-8:17 pm
1 stop8h 51m
$627
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Portland to Bismarck
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 Portland to Bismarck in May.
| 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 Portland-Bismarck flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Bismarck flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Bismarck flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Bismarck 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 Portland-Bismarck 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 Portland to Bismarck
Have a flexible travel schedule? Discover the best time to fly to Bismarck from Portland with our price prediction graph.
PDX-BIS
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 Portland to Bismarck
What is the cheapest month to book a flight from Portland to Bismarck?
Currently, February is the cheapest month in which you can book a flight from Portland to Bismarck (average of $279). Flying from Portland to Bismarck in March is currently the most expensive (average of $829). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Portland to Bismarck?
Reviews of airlines servicing Bismarck
Get insights into the airlines that provide service to Bismarck. 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 Bismarck. Reviews last updated May 25, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Portland to Bismarck. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
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 Portland to Bismarck. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Other flights to Bismarck
Explore flights to Bismarck departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 25, 2026.
Complete your trip
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Portland and Bismarck flights
Browse other Portland and Bismarck flight options. Last updated on May 25, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on May 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Portland to Bismarck
Discover the top 2 airlines that operate flights from Portland to Bismarck. 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 May 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$273 | Average$494 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$287 | Average$547 | FlexibilityNo cancel fee | On-time69% |