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Cheap flights from Sioux Falls to Key West from $301

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 Key West departing on 3/24. 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 Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:14 pm - 10:18 pm
FSD
-
EYW
9h 04m
2 stops
American Airlines Logo
2:25 pm - 9:40 pm
EYW
-
FSD
8h 15m
1 stop
$301American Airlines
Tue, Mar 24 - Wed, Apr 1
United Airlines Logo
3:16 pm - 10:11 pm
FSD
-
EYW
5h 55m
1 stop
United Airlines Logo
4:05 pm - 9:38 pm
EYW
-
FSD
6h 33m
1 stop
$320United Airlines
Fri, Aug 14 - Thu, Aug 20
American Airlines Logo
5:44 am - 7:12 pm
FSD
-
EYW
12h 28m
2 stops
American Airlines Logo
2:25 pm - 9:40 pm
EYW
-
FSD
8h 15m
1 stop
$354American Airlines
Tue, Mar 24 - Wed, Apr 1
Allegiant Air Logo
7:02 pm - 2:01 pm
FSD
-
EYW
17h 59m
1 stop
Allegiant Air Logo
2:51 pm - 12:31 pm
EYW
-
FSD
22h 40m
1 stop
$366Allegiant Air
Thu, May 28 - Mon, Jun 1
American Airlines Logo
6:50 am - 7:12 pm
FSD
-
EYW
11h 22m
2 stops
American Airlines Logo
7:45 am - 7:10 pm
EYW
-
FSD
12h 25m
2 stops
$392American Airlines
Tue, Mar 24 - Wed, Apr 1
American Airlines Logo
6:50 am - 6:19 pm
FSD
-
EYW
10h 29m
1 stop
American Airlines Logo
2:25 pm - 9:40 pm
EYW
-
FSD
8h 15m
1 stop
$399American Airlines
Tue, Mar 24 - Wed, Apr 1
United Airlines Logo
7:43 am - 2:55 pm
FSD
-
EYW
6h 12m
1 stop
United Airlines Logo
4:05 pm - 10:02 pm
EYW
-
FSD
6h 57m
1 stop
$414United Airlines
Wed, Mar 11 - Wed, Mar 18
American Airlines Logo
12:14 pm - 10:37 pm
FSD
-
EYW
9h 23m
2 stops
American Airlines Logo
7:45 am - 7:10 pm
EYW
-
FSD
12h 25m
2 stops
$417American Airlines
Wed, Mar 11 - Wed, Mar 18
American Airlines Logo
1:41 pm - 10:58 pm
FSD
-
EYW
8h 17m
2 stops
American Airlines Logo
2:29 pm - 9:54 pm
EYW
-
FSD
8h 25m
1 stop
$421American Airlines
Fri, May 8 - Mon, May 11
American Airlines Logo
6:50 am - 7:12 pm
FSD
-
EYW
11h 22m
2 stops
American Airlines Logo
2:06 pm - 10:55 pm
EYW
-
FSD
9h 49m
2 stops
$424American Airlines
Tue, Mar 24 - Wed, Apr 1

American Airlines flights from Sioux Falls to Key West

Our best American Airlines deals on Sioux Falls to Key West flight tickets
American Airlines
Mar 24
FSD12:14 pmSioux Falls Joe Foss Field
9h 04m
2 stops
EYW10:18 pmKey West
Apr 1
EYW2:25 pmKey West
8h 15m
1 stop
FSD9:40 pmSioux Falls Joe Foss Field
$301
American Airlines
Mar 24
FSD5:44 amSioux Falls Joe Foss Field
12h 28m
2 stops
EYW7:12 pmKey West
Apr 1
EYW2:25 pmKey West
8h 15m
1 stop
FSD9:40 pmSioux Falls Joe Foss Field
$354
American Airlines
Mar 24
FSD6:50 amSioux Falls Joe Foss Field
11h 22m
2 stops
EYW7:12 pmKey West
Apr 1
EYW7:45 amKey West
12h 25m
2 stops
FSD7:10 pmSioux Falls Joe Foss Field
$392

United Airlines flights from Sioux Falls to Key West

Our best United Airlines deals on Sioux Falls to Key West flight tickets
United Airlines
Aug 14
FSD3:16 pmSioux Falls Joe Foss Field
5h 55m
1 stop
EYW10:11 pmKey West
Aug 20
EYW4:05 pmKey West
6h 33m
1 stop
FSD9:38 pmSioux Falls Joe Foss Field
$320
United Airlines
Mar 11
FSD7:43 amSioux Falls Joe Foss Field
6h 12m
1 stop
EYW2:55 pmKey West
Mar 18
EYW4:05 pmKey West
6h 57m
1 stop
FSD10:02 pmSioux Falls Joe Foss Field
$414
United Airlines
Mar 11
FSD7:43 amSioux Falls Joe Foss Field
6h 12m
1 stop
EYW2:55 pmKey West
Mar 18
EYW4:05 pmKey West
6h 57m
1 stop
FSD10:02 pmSioux Falls Joe Foss Field
$464

momondo Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Key West 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 March 1, 2026.
Use the filters below to find and compare flights from Sioux Falls to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

Tue 3/24

12:14 pm-10:18 pm

2 stops9h 04m

Key West

Wed 4/1

2:25 pm-9:40 pm

1 stop8h 15m

$301

Sioux FallsKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

Fri 8/14

3:16 pm-10:11 pm

1 stop5h 55m

Key West

Thu 8/20

4:05 pm-9:38 pm

1 stop6h 33m

$320

Sioux FallsKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

Tue 3/24

5:44 am-7:12 pm

2 stops12h 28m

Key West

Wed 4/1

2:25 pm-9:40 pm

1 stop8h 15m

$354

Sioux FallsKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

Thu 5/28

7:02 pm-2:01 pm

1 stop17h 59m

Key West

Mon 6/1

2:51 pm-12:31 pm

1 stop22h 40m

$366

Sioux FallsKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

Tue 3/24

6:50 am-7:12 pm

2 stops11h 22m

Key West

Wed 4/1

7:45 am-7:10 pm

2 stops12h 25m

$392

Sioux FallsKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

Tue 3/24

6:50 am-6:19 pm

1 stop10h 29m

Key West

Wed 4/1

2:25 pm-9:40 pm

1 stop8h 15m

$399

Sioux FallsKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

Wed 3/11

7:43 am-2:55 pm

1 stop6h 12m

Key West

Wed 3/18

4:05 pm-10:02 pm

1 stop6h 57m

$414

Sioux FallsKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

Wed 3/11

12:14 pm-10:37 pm

2 stops9h 23m

Key West

Wed 3/18

7:45 am-7:10 pm

2 stops12h 25m

$417

Sioux FallsKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

Fri 5/8

1:41 pm-10:58 pm

2 stops8h 17m

Key West

Mon 5/11

2:29 pm-9:54 pm

1 stop8h 25m

$421

Sioux FallsKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

Tue 3/24

6:50 am-7:12 pm

2 stops11h 22m

Key West

Wed 4/1

2:06 pm-10:55 pm

2 stops9h 49m

$424

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Key West from

How to get the cheapest flight ticket from Sioux Falls to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Sioux Falls to Key West flights?

You could potentially save up to 25% on your flight if you consider stops on a Sioux Falls to Key West flight.

When to book flights from Sioux Falls to Key West

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

Cheap Sioux Falls to Key West (FSD to EYW) flight deals and tips

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

Fastest flight time

5h 54m

Direct flights

None
The fastest flight from Sioux Falls to Key West takes 5h 54m
There are no direct flights from Sioux Falls to Key West. There are no popular flight routes from Sioux Falls to Key West.
Search flight deals

  • How far is Sioux Falls Joe Foss Field to Key West by plane?

    Sioux Falls Joe Foss Field and Key West are 1559.3 mi apart from one another. A reasonable flight in good conditions will take 5h 54m.

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

    Prices for flights from Sioux Falls Joe Foss Field Airport to Key West Airport are updated daily.

  • How many operators does momondo search for flights from Sioux Falls Joe Foss Field Airport to Key West Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Sioux Falls to Key West?

Best airlines flying from Sioux Falls to Key West

Compare and see reviews for airlines that fly from Sioux Falls to Key West with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $310Free CancellationRating
7.1
11,370 reviews
Search American Airlines flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

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

It is quick and easy to find Sioux Falls to Key West 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 Key West that suits you.

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

Yes. All flights to Key West from Sioux Falls on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

If you are simply researching potential flights to Key West, momondo offers a useful price alert feature which will track prices for flights to Key West from Sioux Falls and alert you when they change.

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