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$368+ 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — DLH
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
1 adult, Economy
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Cheap flight deals from Rapid City to Duluth

Cheapest flights from Rapid City to Duluth
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 March 16, 2026.

This Delta deal was found by Cheapflights users on 3/11. 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.
Fri 3/276:00 am
RAP
-
DLH
1 stop4h 56m
Delta
Tue 3/315:00 am
DLH
-
RAP
1 stop6h 20m
Delta
Deal found 3/11$368
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/812:00 pm
RAP
-
DLH
2 stops25h 27m
United Airlines
Sat 4/1111:19 am
DLH
-
RAP
1 stop8h 00m
United Airlines
Deal found 3/12$483
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Fri 3/272:45 pm
RAP
-
DLH
2 stops22h 47m
United Airlines
Tue 3/313:08 pm
DLH
-
RAP
1 stop7h 28m
United Airlines
Deal found 3/11$648

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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$368
(Delta)
Provider with most accurate pricing for Rapid City-Duluth Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Duluth Intl flights.
Search Deals
From Rapid City to Duluth Intl
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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 2,558,603 searches. Data last updated March 16, 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

Price

Cheapest round-trip

Rapid CityDuluth

RAP - DLH

RAPDLH

Rapid City

Wed 4/8

4:15 pm-12:29 am

2 stops31h 14m

Duluth Intl

Sat 4/11

11:19 am-6:19 pm

1 stop8h 00m

$483
Quickest round-trip

Rapid CityDuluth

RAP - DLH

RAPDLH

Rapid City

Fri 3/27

2:45 pm-2:32 pm

2 stops22h 47m

Duluth Intl

Tue 3/31

3:08 pm-9:36 pm

1 stop7h 28m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

  • How long is the flight from Rapid City to Duluth?

    United Airlines can get you from Rapid City to Duluth in just under 31h 14m. Your travel time can differ by up to . There are 560 mi between Rapid City and Duluth.

  • Can I find deals for flights from Rapid City to Duluth that include hotel bookings?

    Yes. In addition to deals on Rapid City to Duluth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Duluth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Duluth.

  • Can I find deals for business class flights from Rapid City to Duluth?

    Yes. Cheapflights offers flight deals from Rapid City to Duluth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Superior

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