$537+ Cheap flights from Portland to Grand Forks (PDX - GFK)
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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GFK
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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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
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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 Grand Forks
Cheapest
Best
Last-minute
Cheapest flights from Portland to Grand ForksExplore the most affordable flight options available from Portland to Grand Forks. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Portland to Grand Forks. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This Delta deal was found by Cheapflights users on 8/16. 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 10/153:22 pm -
1 stop6h 05m
Mon 10/197:55 pm -
1 stop5h 49m
Deal found 8/16![Delta logo]()
$537
This Delta deal was found by Cheapflights users on 8/14. 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 9/312:35 am -
1 stop7h 44m
Mon 9/75:00 am -
1 stop7h 41m
Deal found 8/14![Delta logo]()
$557
This Delta deal was found by Cheapflights users on 8/13. 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 9/11:15 pm -
2 stops7h 51m
Sun 9/65:00 am -
2 stops7h 42m
Deal found 8/13![Delta logo]()
$599
This Delta deal was found by Cheapflights users on 8/13. 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 8/2712:35 am -
1 stop7h 44m
Tue 9/110:54 am -
1 stop8h 40m
Deal found 8/13![Delta logo]()
$619
This Delta deal was found by Cheapflights users on 8/13. 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 9/412:35 am -
1 stop7h 44m
Tue 9/83:55 pm -
1 stop6h 21m
Deal found 8/13![Delta logo]()
$698
Best flights from Portland to Grand ForksDiscover carefully curated flight deals from Portland to Grand Forks that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Portland to Grand Forks that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Delta deal was found by Cheapflights users on 8/16. 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 10/153:22 pm -
1 stop6h 05m
Mon 10/197:55 pm -
1 stop5h 49m
Deal found 8/16![Delta logo]()
$537
This Delta deal was found by Cheapflights users on 8/14. 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 9/312:35 am -
1 stop7h 44m
Mon 9/75:00 am -
1 stop7h 41m
Deal found 8/14![Delta logo]()
$557
This Delta deal was found by Cheapflights users on 8/15. 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 9/46:00 am -
1 stop6h 35m
Sun 9/610:54 am -
1 stop8h 40m
Deal found 8/15![Delta logo]()
$588
This Delta deal was found by Cheapflights users on 8/13. 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 9/16:00 am -
1 stop6h 35m
Sun 9/63:55 pm -
1 stop6h 22m
Deal found 8/13![Delta logo]()
$588
Last-minute flights from Portland to Grand ForksDiscover last-minute flight deals from Portland to Grand Forks. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Grand Forks. Data last updated August 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/13. 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 8/2712:35 am -
1 stop7h 44m
Tue 9/110:54 am -
1 stop8h 40m
Deal found 8/13![Delta logo]()
$619
This Delta deal was found by Cheapflights users on 8/13. 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 9/11:15 pm -
2 stops7h 51m
Sun 9/65:00 am -
2 stops7h 42m
Deal found 8/13![Delta logo]()
$599
This Delta deal was found by Cheapflights users on 8/14. 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 9/312:35 am -
1 stop7h 44m
Mon 9/75:00 am -
1 stop7h 41m
Deal found 8/14![Delta logo]()
$557
This Delta deal was found by Cheapflights users on 8/13. 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 9/412:35 am -
1 stop7h 44m
Tue 9/83:55 pm -
1 stop6h 21m
Deal found 8/13![Delta logo]()
$698
Find flight deals from Portland to Grand Forks
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Grand Forks (GFK). 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 August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $537 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Grand Forks 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 August 17, 2026.
Use the filters below to find and compare flights from Portland to Grand Forks that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortlandGrand Forks
PDX Portland - GFK Grand Forks
PDXGFK
Portland
Thu 10/15
3:22 pm-11:27 pm
1 stop6h 05m
Grand Forks
Mon 10/19
7:55 pm-11:44 pm
1 stop5h 49m
$537
PortlandGrand Forks
PDX Portland - GFK Grand Forks
PDXGFK
Portland
Thu 9/3
12:35 am-10:19 am
1 stop7h 44m
Grand Forks
Mon 9/7
5:00 am-10:41 am
1 stop7h 41m
$557
PortlandGrand Forks
PDX Portland - GFK Grand Forks
PDXGFK
Portland
Fri 9/4
6:00 am-2:35 pm
1 stop6h 35m
Grand Forks
Sun 9/6
10:54 am-5:34 pm
1 stop8h 40m
$588
PortlandGrand Forks
PDX Portland - GFK Grand Forks
PDXGFK
Portland
Tue 9/1
6:00 am-2:35 pm
1 stop6h 35m
Grand Forks
Sun 9/6
3:55 pm-8:17 pm
1 stop6h 22m
$588
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Portland-Grand Forks flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Grand Forks flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Grand Forks flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Grand Forks 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-Grand Forks 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 Grand Forks
Have a flexible travel schedule? Discover the best time to fly to Grand Forks from Portland with our price prediction graph.
PDX-GFK
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.
Reviews of airlines servicing Grand Forks
Get insights into the airlines that provide service to Grand Forks. 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 Grand Forks. Reviews last updated August 17, 2026.
Read through reviews of airlines operating flights from Portland to Grand Forks, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
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 Portland to Grand Forks. 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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Complete your trip
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Other flights to Grand Forks
Explore flights to Grand Forks departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 17, 2026.
Portland and Grand Forks flights
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Portland to Grand Forks
Discover the top airline that operate flights from Portland to Grand Forks. 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$272 | Average$534 | FlexibilityNo cancel fee | On-timeN/A |