What is the cheapest month to book a flight from Rapid City to Duluth?

Currently, January is the cheapest month in which you can book a flight from Rapid City to Duluth (average of $336). Flying from Rapid City to Duluth in June is currently the most expensive (average of $476). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Duluth ranges from 0.6 - 3.6 inches per month. August is typically the wettest month, when rainfall can reach 3.6 in. February is typically the driest time to visit Duluth when rainfall is around 0.6 in.

If weather is an important factor for your trip to Duluth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

What is the cheapest time of day to fly from RAP to DLH?

When flying from Rapid City to Duluth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$433+ Flights from Rapid City to Duluth

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Cheap flight deals from Rapid City to Duluth

Round-trip from	$433 (United Airlines)

From Rapid City to Duluth Intl

Search Deals

Find 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 July 29, 2025.

Sat 11/18:45 amRAP - DLH

2 stops12h 14mUnited Airlines

Wed 11/57:55 amDLH - RAP

2 stops10h 05mUnited Airlines

Deal found 7/26

$433

Sat 11/16:05 amRAP - DLH

1 stop8h 25mDelta

Wed 11/55:18 amDLH - RAP

1 stop5h 35mDelta

Deal found 7/28

$437

Best flights from Rapid City to Duluth
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 July 29, 2025.

Sat 11/18:45 amRAP - DLH

2 stops12h 14mUnited Airlines

Wed 11/57:55 amDLH - RAP

2 stops10h 05mUnited Airlines

Deal found 7/26

$433

Sat 11/16:05 amRAP - DLH

1 stop8h 25mDelta

Wed 11/55:18 amDLH - RAP

1 stop5h 35mDelta

Deal found 7/28

$437

Last-minute flights from Rapid City to Duluth
Discover last-minute flight deals from Rapid City to Duluth. Data last updated July 29, 2025 and is based on user searches.

Tue 8/124:25 pmRAP - DLH

1 stop5h 19mDelta

Sat 8/165:10 amDLH - RAP

1 stop6h 03mDelta

Deal found 7/28

$908

Tue 8/125:59 pmRAP - DLH

2 stops15h 52mUnited Airlines

Sat 8/168:00 amDLH - RAP

1 stop14h 46mUnited Airlines

Deal found 7/28

$1,019

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityDuluth

RAP - DLH

RAPDLH

Rapid City

Sat 11/1

8:45 am-9:59 pm

2 stops12h 14m

Duluth Intl

Wed 11/5

7:55 am-5:00 pm

2 stops10h 05m

$433

Rapid CityDuluth

RAP - DLH

RAPDLH

Rapid City

Sat 11/1

6:05 am-3:30 pm

1 stop8h 25m

Duluth Intl

Wed 11/5

5:18 am-9:53 am

1 stop5h 35m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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.

Reviews of airlines servicing Duluth

Read reviews from past customers who have flown Delta and United Airlines from Rapid City to Duluth. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,979 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,896 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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.
What is the cheapest month to book a flight from Rapid City to Duluth?
Currently, January is the cheapest month in which you can book a flight from Rapid City to Duluth (average of $336). Flying from Rapid City to Duluth in June is currently the most expensive (average of $476). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Two Harbors

Superior

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$433+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Rapid City to Duluth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Rapid City to Duluth

Round-trip from

Find flight deals from Rapid City to Duluth

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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Rapid City to Duluth that are best for you.

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.

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. 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 Duluth. Reviews last updated July 29, 2025.

Read reviews from past customers who have flown Delta and United Airlines from Rapid City to Duluth. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

What is the cheapest month to book a flight from Rapid City to Duluth?

Traveling to a place near Duluth?

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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 July 29, 2025.