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

Currently, January is the cheapest month in which you can book a flight from Sioux Falls to Duluth (average of $336). Flying from Sioux Falls 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 FSD to DLH?

When flying from Sioux Falls 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 Sioux Falls to Duluth that include hotel bookings?

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

How can I find direct flights from Sioux Falls to Duluth?

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

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

Yes. Cheapflights offers flight deals from Sioux Falls 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.

$356+ Flights from Sioux Falls to Duluth

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Sioux Falls 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 Sioux Falls to Duluth

Round-trip from	$356 (Delta)

From Sioux Falls Joe Foss Field to Duluth Intl

Search Deals

Find flight deals from Sioux Falls to Duluth

Cheapest flights from Sioux Falls to Duluth
Explore the most affordable flight options available from Sioux Falls to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Wed 11/195:15 amFSD - DLH

1 stop5h 48mDelta

Sun 11/238:05 amDLH - FSD

1 stop4h 26mDelta

Deal found 7/27

$356

Wed 11/196:00 amFSD - DLH

2 stops15h 59mUnited Airlines

Sun 11/233:06 pmDLH - FSD

1 stop6h 40mUnited Airlines

Deal found 7/27

$477

Best flights from Sioux Falls to Duluth
Discover carefully curated flight deals from Sioux Falls 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.

Wed 11/195:15 amFSD - DLH

1 stop5h 48mDelta

Sun 11/238:05 amDLH - FSD

1 stop4h 26mDelta

Deal found 7/27

$356

Wed 11/196:00 amFSD - DLH

2 stops15h 59mUnited Airlines

Sun 11/233:06 pmDLH - FSD

1 stop6h 40mUnited Airlines

Deal found 7/27

$477

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

Tue 8/125:00 amFSD - DLH

1 stop5h 13mDelta

Sat 8/167:50 amDLH - FSD

1 stop4h 25mDelta

Deal found 7/27

$472

Tue 8/127:55 amFSD - DLH

1 stop6h 33mUnited Airlines

Sat 8/163:03 pmDLH - FSD

2 stops19h 39mUnited Airlines

Deal found 7/27

$879

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsDuluth

FSD - DLH

FSDDLH

Sioux Falls Joe Foss Field

Wed 11/19

5:15 am-11:03 am

1 stop5h 48m

Duluth Intl

Sun 11/23

8:05 am-12:31 pm

1 stop4h 26m

$356

Sioux FallsDuluth

FSD - DLH

FSDDLH

Sioux Falls Joe Foss Field

Wed 11/19

6:00 am-9:59 pm

2 stops15h 59m

Duluth Intl

Sun 11/23

3:06 pm-9:46 pm

1 stop6h 40m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Sioux Falls to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Sioux Falls 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

Peruse reviews from past customers who have flown with Delta and United Airlines from Sioux Falls to Duluth to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,977 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

7,977 reviews

Delta

8.0

Very good

7,977 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

8,899 reviews

Delta

8.0

Very good

7,977 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 Sioux Falls to Duluth that include hotel bookings?
Yes. In addition to deals on Sioux Falls to Duluth flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sioux Falls to Duluth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Duluth.
Can I find deals for business class flights from Sioux Falls to Duluth?
Yes. Cheapflights offers flight deals from Sioux Falls 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 Sioux Falls to Duluth?
Currently, January is the cheapest month in which you can book a flight from Sioux Falls to Duluth (average of $336). Flying from Sioux Falls 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Sioux Falls to Duluth

Rapid City to Minneapolis flights

Sioux Falls to Minneapolis flights

Aberdeen to Minneapolis flights

Rapid City to Sioux Falls flights

Rapid City to Rochester flights

Rapid City to Duluth flights

Other flights to Duluth

Minneapolis to Duluth flights

O'Hare Intl to Duluth flights

Duluth to Minneapolis flights

Duluth to Chicago O'Hare Intl Airport flights

Duluth to Minneapolis flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$356+ Cheap flights from Sioux Falls to Duluth (FSD - 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux Falls 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 Sioux Falls to Duluth

Round-trip from

Find flight deals from Sioux Falls to Duluth

Cheapest flights from Sioux Falls to DuluthExplore the most affordable flight options available from Sioux Falls 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 Sioux Falls 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 Sioux Falls to Duluth that are best for you.

Best time to book a flight from Sioux Falls to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Sioux Falls 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.

Peruse reviews from past customers who have flown with Delta and United Airlines from Sioux Falls to Duluth to help guide your decision. You can also see how each airline stacks up 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 Sioux Falls 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 Sioux Falls to Duluth that include hotel bookings?

How can I find direct flights from Sioux Falls to Duluth?

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

What is the cheapest month to book a flight from Sioux Falls 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 Sioux Falls to Duluth

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Sioux Falls to Duluth
Explore the most affordable flight options available from Sioux Falls to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.