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Cheap flights from Sioux Falls to Duluth from $388

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to Duluth departing on 8/18. 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 Sioux Falls to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:47 am - 1:44 pm
FSD
-
DLH
5h 57m
1 stop
United Airlines Logo
6:23 pm - 10:52 pm
DLH
-
FSD
4h 29m
1 stop
$388United Airlines
Tue, Aug 18 - Sat, Aug 22
United Airlines Logo
7:47 am - 10:50 pm
FSD
-
DLH
15h 03m
1 stop
United Airlines Logo
6:23 pm - 10:52 pm
DLH
-
FSD
4h 29m
1 stop
$497United Airlines
Tue, Aug 18 - Sat, Aug 22
United Airlines Logo
6:30 pm - 5:34 pm
FSD
-
DLH
23h 04m
1 stop
United Airlines Logo
6:25 pm - 11:26 pm
DLH
-
FSD
5h 01m
1 stop
$527United Airlines
Tue, May 26 - Sat, May 30
United Airlines Logo
7:47 am - 10:50 pm
FSD
-
DLH
15h 03m
1 stop
United Airlines Logo
3:12 pm - 10:52 pm
DLH
-
FSD
7h 40m
1 stop
$532United Airlines
Tue, Aug 18 - Sat, Aug 22
United Airlines Logo
7:47 am - 1:44 pm
FSD
-
DLH
5h 57m
1 stop
United Airlines Logo
6:23 pm - 10:43 am
DLH
-
FSD
16h 20m
2 stops
$538United Airlines
Tue, Aug 18 - Sat, Aug 22
United Airlines Logo
5:05 pm - 10:43 am
FSD
-
DLH
17h 38m
2 stops
United Airlines Logo
6:25 pm - 11:26 pm
DLH
-
FSD
5h 01m
1 stop
$583United Airlines
Tue, May 26 - Sat, May 30
United Airlines Logo
6:37 pm - 11:27 pm
FSD
-
DLH
4h 50m
1 stop
United Airlines Logo
6:15 pm - 8:04 pm
DLH
-
FSD
25h 49m
2 stops
$598United Airlines
Fri, Sep 18 - Sun, Sep 20
United Airlines Logo
6:30 pm - 11:11 pm
FSD
-
DLH
4h 41m
1 stop
United Airlines Logo
7:06 am - 5:55 pm
DLH
-
FSD
10h 49m
1 stop
$606United Airlines
Fri, May 29 - Tue, Jun 2
United Airlines Logo
6:30 pm - 11:23 pm
FSD
-
DLH
4h 53m
1 stop
United Airlines Logo
11:18 am - 10:38 am
DLH
-
FSD
23h 20m
2 stops
$632United Airlines
Tue, Jun 9 - Tue, Jun 16
Delta Logo
8:23 am - 11:07 am
FSD
-
DLH
2h 44m
1 stop
Delta Logo
7:50 am - 1:10 pm
DLH
-
FSD
5h 20m
1 stop
$643Delta
Thu, Jun 11 - Wed, Jun 17

United Airlines flights from Sioux Falls to Duluth

Our best United Airlines deals on Sioux Falls to Duluth flight tickets
United Airlines
Aug 18
FSD7:47 amSioux Falls Joe Foss Field
5h 57m
1 stop
DLH1:44 pmDuluth Intl
Aug 22
DLH6:23 pmDuluth Intl
4h 29m
1 stop
FSD10:52 pmSioux Falls Joe Foss Field
$388
United Airlines
Aug 18
FSD7:47 amSioux Falls Joe Foss Field
15h 03m
1 stop
DLH10:50 pmDuluth Intl
Aug 22
DLH6:23 pmDuluth Intl
4h 29m
1 stop
FSD10:52 pmSioux Falls Joe Foss Field
$497
United Airlines
May 26
FSD6:30 pmSioux Falls Joe Foss Field
23h 04m
1 stop
DLH5:34 pmDuluth Intl
May 30
DLH6:25 pmDuluth Intl
5h 01m
1 stop
FSD11:26 pmSioux Falls Joe Foss Field
$527

momondo Fare Finder

 
Customize your flight search to find flights from Sioux Falls 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 May 15, 2026.
Use the filters below to find and compare flights from Sioux Falls to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsDuluth

FSD - DLH

FSDDLH

Sioux Falls Joe Foss Field

Tue 8/18

7:47 am-1:44 pm

1 stop5h 57m

Duluth Intl

Sat 8/22

6:23 pm-10:52 pm

1 stop4h 29m

$388

Sioux FallsDuluth

FSD - DLH

FSDDLH

Sioux Falls Joe Foss Field

Tue 8/18

7:47 am-10:50 pm

1 stop15h 03m

Duluth Intl

Sat 8/22

6:23 pm-10:52 pm

1 stop4h 29m

$497

Sioux FallsDuluth

FSD - DLH

FSDDLH

Sioux Falls Joe Foss Field

Tue 5/26

6:30 pm-5:34 pm

1 stop23h 04m

Duluth Intl

Sat 5/30

6:25 pm-11:26 pm

1 stop5h 01m

$527

Sioux FallsDuluth

FSD - DLH

FSDDLH

Sioux Falls Joe Foss Field

Tue 8/18

7:47 am-10:50 pm

1 stop15h 03m

Duluth Intl

Sat 8/22

3:12 pm-10:52 pm

1 stop7h 40m

$532

Sioux FallsDuluth

FSD - DLH

FSDDLH

Sioux Falls Joe Foss Field

Tue 8/18

7:47 am-1:44 pm

1 stop5h 57m

Duluth Intl

Sat 8/22

6:23 pm-10:43 am

2 stops16h 20m

$538

Sioux FallsDuluth

FSD - DLH

FSDDLH

Sioux Falls Joe Foss Field

Tue 5/26

5:05 pm-10:43 am

2 stops17h 38m

Duluth Intl

Sat 5/30

6:25 pm-11:26 pm

1 stop5h 01m

$583

Sioux FallsDuluth

FSD - DLH

FSDDLH

Sioux Falls Joe Foss Field

Fri 9/18

6:37 pm-11:27 pm

1 stop4h 50m

Duluth Intl

Sun 9/20

6:15 pm-8:04 pm

2 stops25h 49m

$598

Sioux FallsDuluth

FSD - DLH

FSDDLH

Sioux Falls Joe Foss Field

Fri 5/29

6:30 pm-11:11 pm

1 stop4h 41m

Duluth Intl

Tue 6/2

7:06 am-5:55 pm

1 stop10h 49m

$606

Sioux FallsDuluth

FSD - DLH

FSDDLH

Sioux Falls Joe Foss Field

Tue 6/9

6:30 pm-11:23 pm

1 stop4h 53m

Duluth Intl

Tue 6/16

11:18 am-10:38 am

2 stops23h 20m

$632
Quickest round-trip

Sioux FallsDuluth

FSD - DLH

FSDDLH

Sioux Falls Joe Foss Field

Thu 6/11

8:23 am-11:07 am

1 stop2h 44m

Duluth Intl

Wed 6/17

7:50 am-1:10 pm

1 stop5h 20m

$643

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Sioux Falls to Duluth

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

Cheap Sioux Falls to Duluth (FSD to DLH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to Duluth

Fastest flight time

2h 44m

Direct flights

None
The fastest flight from Sioux Falls to Duluth takes 2h 44m
There are no direct flights from Sioux Falls to Duluth. There are no popular flight routes from Sioux Falls to Duluth.
Search flight deals

Frequently asked questions about flying from Sioux Falls to Duluth

  • How far is Sioux Falls Joe Foss Field to Duluth Intl by plane?

    The straight-line distance from Sioux Falls Joe Foss Field to Duluth Intl is 317.2 mi. Flights usually cover this in 2h 44m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Duluth Intl Airport?

    Prices for flights from Sioux Falls Joe Foss Field Airport to Duluth Intl Airport are updated daily.

  • How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Duluth Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Duluth Intl Airport.

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

    The travel and health documents required for your trip to Duluth Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Duluth Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Sioux Falls to Duluth

  • How do I get Price Alerts for flights from Sioux Falls to Duluth?

    Price Alerts will notify you by email when the price for flights to Duluth from Sioux Falls decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Sioux Falls to Duluth with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Duluth?

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

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to Duluth?

It is quick and easy to find Sioux Falls to Duluth flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Duluth that suits you.

Can I find flights from Sioux Falls to Duluth with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Duluth from Sioux Falls with this policy.

How can momondo help me find flights from Sioux Falls to Duluth?

Once you have performed a search for Sioux Falls 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 Sioux Falls to Duluth right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Sioux Falls to Duluth flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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