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Cheap flights from Rapid City to Duluth from $436

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Duluth departing on 2/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Rapid City to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 11:30 am
RAP
-
DLH
4h 30m
1 stop
Delta Logo
12:15 pm - 3:44 pm
DLH
-
RAP
4h 29m
1 stop
$436Delta
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
5:20 am - 10:43 am
RAP
-
DLH
28h 23m
2 stops
United Airlines Logo
3:19 pm - 10:16 pm
DLH
-
RAP
7h 57m
2 stops
$503United Airlines
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
5:20 am - 9:59 pm
RAP
-
DLH
15h 39m
3 stops
United Airlines Logo
7:50 am - 10:16 pm
DLH
-
RAP
15h 26m
3 stops
$977United Airlines
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
5:20 am - 2:37 pm
RAP
-
DLH
8h 17m
2 stops
United Airlines Logo
7:50 am - 8:44 pm
DLH
-
RAP
13h 54m
3 stops
$1,434United Airlines
Tue, Feb 17 - Sat, Feb 21

United Airlines flights from Rapid City to Duluth

Our best United Airlines deals on Rapid City to Duluth flight tickets
United Airlines
Feb 17
RAP5:20 amRapid City
28h 23m
2 stops
DLH10:43 amDuluth Intl
Feb 21
DLH3:19 pmDuluth Intl
7h 57m
2 stops
RAP10:16 pmRapid City
$503
United Airlines
Feb 17
RAP5:20 amRapid City
15h 39m
3 stops
DLH9:59 pmDuluth Intl
Feb 21
DLH7:50 amDuluth Intl
15h 26m
3 stops
RAP10:16 pmRapid City
$977
United Airlines
Feb 17
RAP5:20 amRapid City
8h 17m
2 stops
DLH2:37 pmDuluth Intl
Feb 21
DLH7:50 amDuluth Intl
13h 54m
3 stops
RAP8:44 pmRapid City
$1,434

momondo 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, momondo users made 832,500 searches. Data last updated February 3, 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

Rapid CityDuluth

RAP - DLH

RAPDLH

Rapid City

Tue 2/17

6:00 am-11:30 am

1 stop4h 30m

Duluth Intl

Sat 2/21

12:15 pm-3:44 pm

1 stop4h 29m

$436

Rapid CityDuluth

RAP - DLH

RAPDLH

Rapid City

Tue 2/17

5:20 am-10:43 am

2 stops28h 23m

Duluth Intl

Sat 2/21

3:19 pm-10:16 pm

2 stops7h 57m

$503

Rapid CityDuluth

RAP - DLH

RAPDLH

Rapid City

Tue 2/17

5:20 am-9:59 pm

3 stops15h 39m

Duluth Intl

Sat 2/21

7:50 am-10:16 pm

3 stops15h 26m

$977

Rapid CityDuluth

RAP - DLH

RAPDLH

Rapid City

Tue 2/17

5:20 am-2:37 pm

2 stops8h 17m

Duluth Intl

Sat 2/21

7:50 am-8:44 pm

3 stops13h 54m

$1,434

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Rapid City to Duluth

Are you open to changing your travel dates? Check out the ideal times to fly from Rapid City to Duluth according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rapid City to Duluth (RAP to DLH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to Duluth

Fastest flight time

4h 30m

Direct flights

None
The fastest flight from Rapid City to Duluth takes 4h 30m
There are no direct flights from Rapid City to Duluth. There are no popular flight routes from Rapid City to Duluth.
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  • How far is Rapid City to Duluth Intl by plane?

    The distance between Rapid City and Duluth Intl is about 569.8 mi. By plane, this route typically takes 4h 30m.

  • When did momondo last update prices for flights from Rapid City Airport to Duluth Intl Airport?

    Prices for flights from Rapid City Airport to Duluth Intl Airport were last updated today.

  • How old do you have to be to fly from Rapid City Airport to Duluth Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rapid City Airport to Duluth Intl Airport.

  • What documentation or ID do you need to fly to Duluth Intl Airport?

    The necessary travel and health documents for your Duluth Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Rapid City to Duluth?

    Confirm your travel details to search for the latest offers for flights from Rapid City to Duluth. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Rapid City to Duluth with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Duluth?

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

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to Duluth?

Finding the right flight to Duluth from Rapid City is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Duluth quick and easy, saving you time and money.

Can I find flights from Rapid City to Duluth with flexible booking policies on momondo?

Flights from Rapid City to Duluth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Rapid City to Duluth?

Once you have performed a search for Rapid City to Duluth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Rapid City to Duluth right now. Can momondo alert me if prices change?

Price alerts on flights to Duluth from Rapid City are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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