$413+ Cheap flights from Dulles Intl (IAD) to Grand Forks (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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GFK
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Grand Forks 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 Dulles Intl to Grand Forks
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Best
Last-minute
One-way
Cheapest flights from Dulles Intl to Grand ForksExplore the most affordable flight options available from Dulles Intl to Grand Forks. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Dulles Intl to Grand Forks. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/2212:01 pm -
1 stop8h 19m
Wed 10/283:55 pm -
1 stop6h 31m
Deal found 9/8![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 9/5. 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.
Mon 11/97:25 am -
1 stop8h 11m
Sun 11/155:10 am -
1 stop5h 08m
Deal found 9/5![Delta logo]()
$538
This Delta deal was found by Cheapflights users on 9/8. 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 10/1212:01 pm -
1 stop8h 19m
Thu 10/153:55 pm -
1 stop6h 31m
Deal found 9/8![Delta logo]()
$792
This Delta deal was found by Cheapflights users on 9/8. 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 10/1212:01 pm -
1 stop8h 19m
Wed 10/145:07 am -
1 stop5h 14m
Deal found 9/8![Delta logo]()
$862
This Delta deal was found by Cheapflights users on 9/5. 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.
Wed 11/256:58 pm -
1 stop5h 23m
Sun 11/295:10 am -
1 stop5h 08m
Deal found 9/5![Delta logo]()
$1,023
This Delta deal was found by Cheapflights users on 9/8. 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 9/256:10 am -
1 stop5h 17m
Fri 10/25:15 am -
1 stop4h 38m
Deal found 9/8![Delta logo]()
$1,049
This Delta deal was found by Cheapflights users on 9/5. 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.
Sun 11/226:58 pm -
1 stop5h 23m
Sun 11/295:10 am -
1 stop5h 08m
Deal found 9/5![Delta logo]()
$1,104
Best flights from Dulles Intl to Grand ForksDiscover carefully curated flight deals from Dulles Intl to Grand Forks that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Dulles Intl to Grand Forks that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/2212:01 pm -
1 stop8h 19m
Wed 10/283:55 pm -
1 stop6h 31m
Deal found 9/8![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 9/5. 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.
Mon 11/97:25 am -
1 stop8h 11m
Sun 11/155:10 am -
1 stop5h 08m
Deal found 9/5![Delta logo]()
$538
This Delta deal was found by Cheapflights users on 9/8. 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 10/1212:01 pm -
1 stop8h 19m
Thu 10/153:55 pm -
2 stops6h 21m
Deal found 9/8![Delta logo]()
$907
This Delta deal was found by Cheapflights users on 9/8. 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 9/256:10 am -
1 stop5h 17m
Fri 10/25:15 am -
1 stop4h 38m
Deal found 9/8![Delta logo]()
$1,049
This Delta deal was found by Cheapflights users on 9/5. 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.
Wed 11/256:00 am -
2 stops9h 36m
Sun 11/295:10 am -
1 stop5h 08m
Deal found 9/5![Delta logo]()
$1,069
This Delta deal was found by Cheapflights users on 9/5. 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.
Sun 11/226:58 pm -
1 stop5h 23m
Sun 11/295:10 am -
1 stop5h 08m
Deal found 9/5![Delta logo]()
$1,104
This Delta deal was found by Cheapflights users on 9/8. 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 10/126:05 am -
2 stops9h 27m
Wed 10/145:07 am -
2 stops10h 21m
Deal found 9/8![Delta logo]()
$1,184
This Delta deal was found by Cheapflights users on 9/6. 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 10/16:10 am -
2 stops9h 27m
Sun 10/45:15 am -
1 stop4h 38m
Deal found 9/6![Delta logo]()
$1,207
Last-minute flights from Dulles Intl to Grand ForksDiscover last-minute flight deals from Dulles Intl to Grand Forks. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Grand Forks. Data last updated September 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/8. 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 9/256:10 am -
1 stop5h 17m
Fri 10/25:15 am -
1 stop4h 38m
Deal found 9/8![Delta logo]()
$1,049
This Delta deal was found by Cheapflights users on 9/6. 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 10/16:10 am -
2 stops9h 27m
Sun 10/45:15 am -
1 stop4h 38m
Deal found 9/6![Delta logo]()
$1,207
This Delta deal was found by Cheapflights users on 9/8. 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 10/1212:01 pm -
1 stop8h 19m
Thu 10/153:55 pm -
1 stop6h 31m
Deal found 9/8![Delta logo]()
$792
This Delta deal was found by Cheapflights users on 9/8. 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 10/1212:01 pm -
1 stop8h 19m
Wed 10/145:07 am -
1 stop5h 14m
Deal found 9/8![Delta logo]()
$862
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/2212:01 pm -
1 stop8h 19m
Wed 10/283:55 pm -
1 stop6h 31m
Deal found 9/8![Delta logo]()
$487
One-way flights from Dulles Intl to Grand ForksSearch for one-way flight options from Dulles Intl to Grand Forks. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Dulles Intl to Grand Forks. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Delta deal was found by Cheapflights users on 9/6. 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 9/206:47 pm -
1 stop5h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$413
Find flight deals from Dulles Intl to Grand Forks
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $487 (Delta) |
One-way from | $413 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl 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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Grand Forks that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Washington, D.C.Grand Forks
IAD Washington, D.C. Dulles Intl - GFK Grand Forks
IADGFK
Washington, D.C. Dulles Intl
Sun 9/20
6:47 pm-11:03 pm
1 stop5h 16m
Grand Forks
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$413
Washington, D.C.Grand Forks
IAD Washington, D.C. Dulles Intl - GFK Grand Forks
IADGFK
Washington, D.C. Dulles Intl
Thu 10/22
12:01 pm-7:20 pm
1 stop8h 19m
Grand Forks
Wed 10/28
3:55 pm-11:26 pm
1 stop6h 31m
$487
Washington, D.C.Grand Forks
IAD Washington, D.C. Dulles Intl - GFK Grand Forks
IADGFK
Washington, D.C. Dulles Intl
Mon 11/9
7:25 am-2:36 pm
1 stop8h 11m
Grand Forks
Sun 11/15
5:10 am-11:18 am
1 stop5h 08m
$538
Washington, D.C.Grand Forks
IAD Washington, D.C. Dulles Intl - GFK Grand Forks
IADGFK
Washington, D.C. Dulles Intl
Mon 10/12
12:01 pm-7:20 pm
1 stop8h 19m
Grand Forks
Thu 10/15
3:55 pm-11:16 pm
2 stops6h 21m
$907
Washington, D.C.Grand Forks
IAD Washington, D.C. Dulles Intl - GFK Grand Forks
IADGFK
Washington, D.C. Dulles Intl
Fri 9/25
6:10 am-10:27 am
1 stop5h 17m
Grand Forks
Fri 10/2
5:15 am-10:53 am
1 stop4h 38m
$1,049
Washington, D.C.Grand Forks
IAD Washington, D.C. Dulles Intl - GFK Grand Forks
IADGFK
Washington, D.C. Dulles Intl
Wed 11/25
6:00 am-2:36 pm
2 stops9h 36m
Grand Forks
Sun 11/29
5:10 am-11:18 am
1 stop5h 08m
$1,069
Washington, D.C.Grand Forks
IAD Washington, D.C. Dulles Intl - GFK Grand Forks
IADGFK
Washington, D.C. Dulles Intl
Sun 11/22
6:58 pm-11:21 pm
1 stop5h 23m
Grand Forks
Sun 11/29
5:10 am-11:18 am
1 stop5h 08m
$1,104
Washington, D.C.Grand Forks
IAD Washington, D.C. Dulles Intl - GFK Grand Forks
IADGFK
Washington, D.C. Dulles Intl
Mon 10/12
6:05 am-2:32 pm
2 stops9h 27m
Grand Forks
Wed 10/14
5:07 am-4:28 pm
2 stops10h 21m
$1,184
Washington, D.C.Grand Forks
IAD Washington, D.C. Dulles Intl - GFK Grand Forks
IADGFK
Washington, D.C. Dulles Intl
Thu 10/1
6:10 am-2:37 pm
2 stops9h 27m
Grand Forks
Sun 10/4
5:15 am-10:53 am
1 stop4h 38m
$1,207
Sorted by cheapest first
Compare providers for flights from Dulles Intl to Grand Forks
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 Dulles Intl to Grand Forks in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Grand Forks flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Grand Forks flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Grand Forks flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-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 Washington, D.C. Dulles Intl Airport-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 Dulles Intl to Grand Forks
Have a flexible travel schedule? Discover the best time to fly to Grand Forks from Dulles Intl with our price prediction graph.
IAD-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.
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl 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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