What is the cheapest airline to fly from Charleston to Duluth round-trip?

Flying on United Airlines is currently your cheapest option to Duluth, with prices starting at $271.

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

Currently, January is the cheapest month in which you can book a flight from Charleston to Duluth (average of $339). Flying from Charleston to Duluth in June is currently the most expensive (average of $477). 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 day to fly round-trip from Charleston to Duluth?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 37% when planning your travel around this day of the week.

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

One of the essential ways to save on airfare from Charleston to Duluth is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 34% on airfare.

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

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

How can I find direct flights from Charleston to Duluth?

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

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

Yes. Cheapflights offers flight deals from Charleston 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.

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Best time to book a flight from Charleston to Duluth

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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 United Airlines from Charleston 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.

United Airlines

7.4

Good

8,929 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,929 reviews

United Airlines

7.4

Good

8,929 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

What is the cheapest airline to fly from Charleston to Duluth round-trip?
Flying on United Airlines is currently your cheapest option to Duluth, with prices starting at $271.
Can I find deals for flights from Charleston to Duluth that include hotel bookings?
Yes. In addition to deals on Charleston to Duluth flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Charleston to Duluth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Duluth.
Can I find deals for business class flights from Charleston to Duluth?
Yes. Cheapflights offers flight deals from Charleston 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 Charleston to Duluth?
Currently, January is the cheapest month in which you can book a flight from Charleston to Duluth (average of $339). Flying from Charleston to Duluth in June is currently the most expensive (average of $477). 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.

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Top airline flying from Charleston to Duluth

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$271	Average$526	FlexibilityNo cancel fee	On-time69%

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Find cheap flights from Charleston to Duluth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Charleston to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Charleston with our price prediction graph.

Reviews of airlines servicing Duluth

Read reviews from past customers who have flown United Airlines from Charleston 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 Charleston to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Charleston to Duluth round-trip?

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

How can I find direct flights from Charleston to Duluth?

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

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

Traveling to a place near Duluth?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Charleston to Duluth

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Duluth by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Duluth

Explore flights to Duluth departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2025.

Search flights from Charleston to Duluth by cabin class

Find flights from Charleston to Duluth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Charleston and Duluth flights

Browse other Charleston and Duluth flight options. Last updated on September 15, 2025.

Other flights from Charleston

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Top airline flying from Charleston to Duluth

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Cheap flights from Charleston to Duluth (CHS - DLH)

Find cheap flights from Charleston to Duluth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Charleston to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Charleston with our price prediction graph.

Reviews of airlines servicing Duluth

Read reviews from past customers who have flown United Airlines from Charleston 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 Charleston to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Charleston to Duluth round-trip?

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

How can I find direct flights from Charleston to Duluth?

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

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

Traveling to a place near Duluth?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Charleston to Duluth

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Charleston to Duluth

100% Free

Book with Flexibility

Travel Smart