$378+ Cheap flights from Rapid City to Duluth (RAP - DLH)
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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — DLH
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Rapid City to Duluth 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 Rapid City to Duluth
Cheapest
Best
Last-minute
One-way
Cheapest flights from Rapid City to DuluthExplore the most affordable flight options available from Rapid City to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Rapid City to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This Delta deal was found by Cheapflights users on 9/11. 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 12/162:40 pm -
1 stop3h 42m
Fri 1/15:14 pm -
1 stop6h 32m
Deal found 9/11![Delta logo]()
$378
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.
Wed 9/236:48 am -
1 stop3h 15m
Sun 9/275:15 am -
1 stop5h 46m
Deal found 9/8![Delta logo]()
$506
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/228:40 am -
2 stops13h 40m
Mon 9/286:00 am -
1 stop5h 15m
Deal found 9/7![United Airlines logo]()
$689
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:22 am -
2 stops16h 58m
Sun 9/276:00 am -
1 stop5h 15m
Deal found 9/8![United Airlines logo]()
$719
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/211:32 pm -
1 stop8h 56m
Tue 1/52:59 pm -
1 stop8h 11m
Deal found 9/11![United Airlines logo]()
$727
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/165:00 am -
2 stops15h 47m
Fri 1/17:00 am -
1 stop28h 32m
Deal found 9/11![United Airlines logo]()
$1,146
Best flights from Rapid City to DuluthDiscover carefully curated flight deals from Rapid City to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Rapid City to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This Delta deal was found by Cheapflights users on 9/11. 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 12/162:40 pm -
1 stop3h 42m
Fri 1/15:14 pm -
1 stop6h 32m
Deal found 9/11![Delta logo]()
$378
This United Airlines deal was found by Cheapflights users on 9/10. 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 1/266:00 am -
1 stop7h 24m
Sat 1/302:59 pm -
1 stop8h 11m
Deal found 9/10![United Airlines logo]()
$433
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/276:00 am -
1 stop7h 24m
Sat 1/302:59 pm -
1 stop8h 11m
Deal found 9/8![United Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/228:40 am -
2 stops13h 40m
Mon 9/286:00 am -
1 stop5h 15m
Deal found 9/7![United Airlines logo]()
$689
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/211:32 pm -
1 stop8h 56m
Tue 1/52:59 pm -
1 stop8h 11m
Deal found 9/11![United Airlines logo]()
$727
Last-minute flights from Rapid City to DuluthDiscover last-minute flight deals from Rapid City to Duluth. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to Duluth. Data last updated September 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/161:36 pm -
1 stop23h 53m
Sat 9/197:45 am -
2 stops15h 41m
Deal found 9/10![United Airlines logo]()
$1,255
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/228:40 am -
2 stops13h 40m
Mon 9/286:00 am -
1 stop5h 15m
Deal found 9/7![United Airlines logo]()
$689
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.
Wed 9/236:48 am -
1 stop3h 15m
Sun 9/275:15 am -
1 stop5h 46m
Deal found 9/8![Delta logo]()
$506
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:22 am -
2 stops16h 58m
Sun 9/276:00 am -
1 stop5h 15m
Deal found 9/8![United Airlines logo]()
$719
One-way flights from Rapid City to DuluthSearch for one-way flight options from Rapid City to Duluth. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Rapid City to Duluth. Find affordable one-way fares based on user searches. Data last updated September 12, 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.
Mon 11/304:36 pm -
1 stop5h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$407
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:50 pm -
2 stops23h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$497
Find flight deals from Rapid City to Duluth
Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Duluth (DLH). 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 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $328 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Rapid City to Duluth 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 12, 2026.
Use the filters below to find and compare flights from Rapid City to Duluth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Rapid CityDuluth
RAP Rapid City - DLH Duluth Intl
RAPDLH
Rapid City
Wed 12/16
2:40 pm-7:22 pm
1 stop3h 42m
Duluth Intl
Fri 1/1
5:14 pm-10:46 pm
1 stop6h 32m
$378
Quickest round-trip
Rapid CityDuluth
RAP Rapid City - DLH Duluth Intl
RAPDLH
Rapid City
Mon 11/30
4:36 pm-10:51 pm
1 stop5h 15m
Duluth Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$407
Rapid CityDuluth
RAP Rapid City - DLH Duluth Intl
RAPDLH
Rapid City
Tue 1/26
6:00 am-2:24 pm
1 stop7h 24m
Duluth Intl
Sat 1/30
2:59 pm-10:10 pm
1 stop8h 11m
$433
Rapid CityDuluth
RAP Rapid City - DLH Duluth Intl
RAPDLH
Rapid City
Wed 1/27
6:00 am-2:24 pm
1 stop7h 24m
Duluth Intl
Sat 1/30
2:59 pm-10:10 pm
1 stop8h 11m
$433
Rapid CityDuluth
RAP Rapid City - DLH Duluth Intl
RAPDLH
Rapid City
Tue 9/22
8:40 am-11:20 pm
2 stops13h 40m
Duluth Intl
Mon 9/28
6:00 am-10:15 am
1 stop5h 15m
$689
Rapid CityDuluth
RAP Rapid City - DLH Duluth Intl
RAPDLH
Rapid City
Mon 11/30
10:30 am-11:14 pm
3 stops11h 44m
Duluth Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$696
Rapid CityDuluth
RAP Rapid City - DLH Duluth Intl
RAPDLH
Rapid City
Mon 12/21
1:32 pm-11:28 pm
1 stop8h 56m
Duluth Intl
Tue 1/5
2:59 pm-10:10 pm
1 stop8h 11m
$727
Sorted by cheapest first
Compare providers for flights from Rapid City to Duluth
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 Rapid City to Duluth 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 Rapid City-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Duluth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Duluth flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Rapid City-Duluth 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 Rapid City-Duluth 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 Rapid City to Duluth
Have a flexible travel schedule? Discover the best time to fly to Duluth from Rapid City with our price prediction graph.
RAP-DLH
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 Rapid City to Duluth. 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 Duluth?
Book flights to Duluth if you plan to visit one of these locationsTwo Harbors
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