What airlines fly to Key West?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Key West from Sioux Falls according to our data. American Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 3 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Sioux Falls Joe Foss Field Airport to Key West Airport is 3 as of October 2026.

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.

$291 Cheap Flights from Sioux Falls to Key West in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sioux Falls to Key West

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7:34 pm - 8:44 amFSD Sioux Falls Joe Foss Field-EYW Key West

12h 10m1 stop Orlando Sanford Intl

8:37 am - 9:09 amEYW Key West-FSD Sioux Falls Joe Foss Field

25h 32m1 stop Tampa St. Petersburg

$291Allegiant Air

Sun, Oct 25 - Thu, Oct 29

7:34 pm - 8:44 amFSD Sioux Falls Joe Foss Field-EYW Key West

12h 10m1 stop Orlando Sanford Intl

10:59 am - 7:19 pmEYW Key West-FSD Sioux Falls Joe Foss Field

33h 20m2 stops Orlando Nashville Intl

$370Multiple Airlines

Sun, Oct 25 - Thu, Oct 29

7:11 am - 4:46 pmFSD Sioux Falls Joe Foss Field-EYW Key West

8h 35m1 stop Chicago O'Hare Intl

2:45 pm - 8:53 pmEYW Key West-FSD Sioux Falls Joe Foss Field

7h 08m1 stop Dallas/Fort Worth

$396American Airlines

Tue, Dec 8 - Thu, Feb 11

7:11 am - 5:19 pmFSD Sioux Falls Joe Foss Field-EYW Key West

9h 08m2 stops Chicago O'Hare Intl Miami

2:45 pm - 8:53 pmEYW Key West-FSD Sioux Falls Joe Foss Field

7h 08m1 stop Dallas/Fort Worth

$401American Airlines

Tue, Dec 8 - Thu, Feb 11

6:20 am - 4:58 pmFSD Sioux Falls Joe Foss Field-EYW Key West

9h 38m2 stops Dallas/Fort Worth Miami

2:34 pm - 9:13 pmEYW Key West-FSD Sioux Falls Joe Foss Field

7h 39m1 stop Dallas/Fort Worth

$419American Airlines

Wed, Oct 28 - Sat, Oct 31

6:00 am - 3:29 pmFSD Sioux Falls Joe Foss Field-EYW Key West

8h 29m1 stop Chicago O'Hare Intl

4:10 pm - 9:37 pmEYW Key West-FSD Sioux Falls Joe Foss Field

6h 27m1 stop Chicago O'Hare Intl

$538United Airlines

Fri, Nov 13 - Fri, Nov 20

8:30 am - 8:01 pmFSD Sioux Falls Joe Foss Field-EYW Key West

10h 31m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

2:00 pm - 7:55 pmEYW Key West-FSD Sioux Falls Joe Foss Field

6h 55m1 stop Atlanta Hartsfield-Jackson

$569Delta

Wed, Oct 28 - Sun, Nov 1

7:13 pm - 9:04 amFSD Sioux Falls Joe Foss Field-EYW Key West

12h 51m1 stop Tampa St. Petersburg

10:59 am - 11:06 amEYW Key West-FSD Sioux Falls Joe Foss Field

49h 07m2 stops Orlando Las Vegas Harry Reid Intl

$578Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

5:30 am - 12:53 pmFSD Sioux Falls Joe Foss Field-EYW Key West

6h 23m1 stop Atlanta Hartsfield-Jackson

2:00 pm - 7:55 pmEYW Key West-FSD Sioux Falls Joe Foss Field

6h 55m1 stop Atlanta Hartsfield-Jackson

$599Delta

Wed, Oct 28 - Sun, Nov 1

6:00 am - 3:29 pmFSD Sioux Falls Joe Foss Field-EYW Key West

8h 29m1 stop Chicago O'Hare Intl

4:10 pm - 9:37 pmEYW Key West-FSD Sioux Falls Joe Foss Field

6h 27m1 stop Chicago O'Hare Intl

$683United Airlines

Wed, Oct 28 - Sat, Oct 31

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Allegiant Air flights from Sioux Falls to Key West

Our best Allegiant Air deals on Sioux Falls to Key West flight tickets

Allegiant Air

Oct 25

FSD7:34 pmSioux Falls Joe Foss Field

12h 10m

1 stop

EYW8:44 amKey West

Oct 29

EYW8:37 amKey West

25h 32m

1 stop

FSD9:09 amSioux Falls Joe Foss Field

$291

Allegiant Air

Dec 28

FSD10:39 amSioux Falls Joe Foss Field

8h 42m

1 stop

EYW8:21 pmKey West

Jan 1

EYW5:32 pmKey West

16h 44m

2 stops

FSD9:16 amSioux Falls Joe Foss Field

$849

Allegiant Air

Dec 28

FSD10:39 amSioux Falls Joe Foss Field

8h 42m

1 stop

EYW8:21 pmKey West

Jan 1

EYW5:32 pmKey West

17h 12m

1 stop

FSD9:44 amSioux Falls Joe Foss Field

$886

American Airlines flights from Sioux Falls to Key West

Our best American Airlines deals on Sioux Falls to Key West flight tickets

American Airlines

Dec 8

FSD7:11 amSioux Falls Joe Foss Field

8h 35m

1 stop

EYW4:46 pmKey West

Feb 11

EYW2:45 pmKey West

7h 08m

1 stop

FSD8:53 pmSioux Falls Joe Foss Field

$396

American Airlines

Dec 8

FSD7:11 amSioux Falls Joe Foss Field

9h 08m

2 stops

EYW5:19 pmKey West

Feb 11

EYW2:45 pmKey West

7h 08m

1 stop

FSD8:53 pmSioux Falls Joe Foss Field

$401

American Airlines

Oct 28

FSD6:20 amSioux Falls Joe Foss Field

9h 38m

2 stops

EYW4:58 pmKey West

Oct 31

EYW2:34 pmKey West

7h 39m

1 stop

FSD9:13 pmSioux Falls Joe Foss Field

$419

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsKey West

FSD Sioux Falls Joe Foss Field - EYW Key West

FSDEYW

Sioux Falls Joe Foss Field

Sun 10/25

7:34 pm-8:44 am

1 stop12h 10m

Key West

Thu 10/29

8:37 am-9:09 am

1 stop25h 32m

$291

Sioux FallsKey West

FSD Sioux Falls Joe Foss Field - EYW Key West

FSDEYW

Sioux Falls Joe Foss Field

Sun 10/25

7:34 pm-8:44 am

1 stop12h 10m

Key West

Thu 10/29

10:59 am-7:19 pm

2 stops33h 20m

$370

Sioux FallsKey West

FSD Sioux Falls Joe Foss Field - EYW Key West

FSDEYW

Sioux Falls Joe Foss Field

Tue 12/8

7:11 am-4:46 pm

1 stop8h 35m

Key West

Thu 2/11

2:45 pm-8:53 pm

1 stop7h 08m

$396

Sioux FallsKey West

FSD Sioux Falls Joe Foss Field - EYW Key West

FSDEYW

Sioux Falls Joe Foss Field

Tue 12/8

7:11 am-5:19 pm

2 stops9h 08m

Key West

Thu 2/11

2:45 pm-8:53 pm

1 stop7h 08m

$401

Sioux FallsKey West

FSD Sioux Falls Joe Foss Field - EYW Key West

FSDEYW

Sioux Falls Joe Foss Field

Wed 10/28

6:20 am-4:58 pm

2 stops9h 38m

Key West

Sat 10/31

2:34 pm-9:13 pm

1 stop7h 39m

$419

Sioux FallsKey West

FSD Sioux Falls Joe Foss Field - EYW Key West

FSDEYW

Sioux Falls Joe Foss Field

Fri 11/13

6:00 am-3:29 pm

1 stop8h 29m

Key West

Fri 11/20

4:10 pm-9:37 pm

1 stop6h 27m

$538

Sioux FallsKey West

FSD Sioux Falls Joe Foss Field - EYW Key West

FSDEYW

Sioux Falls Joe Foss Field

Wed 10/28

8:30 am-8:01 pm

2 stops10h 31m

Key West

Sun 11/1

2:00 pm-7:55 pm

1 stop6h 55m

$569

Sioux FallsKey West

FSD Sioux Falls Joe Foss Field - EYW Key West

FSDEYW

Sioux Falls Joe Foss Field

Fri 11/13

7:13 pm-9:04 am

1 stop12h 51m

Key West

Fri 11/20

10:59 am-11:06 am

2 stops49h 07m

$578

Quickest round-trip

Sioux FallsKey West

FSD Sioux Falls Joe Foss Field - EYW Key West

FSDEYW

Sioux Falls Joe Foss Field

Wed 10/28

5:30 am-12:53 pm

1 stop6h 23m

Key West

Sun 11/1

2:00 pm-7:55 pm

1 stop6h 55m

$599

Sioux FallsKey West

FSD Sioux Falls Joe Foss Field - EYW Key West

FSDEYW

Sioux Falls Joe Foss Field

Wed 10/28

6:00 am-3:29 pm

1 stop8h 29m

Key West

Sat 10/31

4:10 pm-9:37 pm

1 stop6h 27m

$683

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Key West?

In general, April is the cheapest month to fly from Sioux Falls to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $408. If you are unable to visit Key West during the month of April, then departing from Sioux Falls during the month August is also very affordable. Most momondo users find prices during this month for around $444.

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

You could potentially save up to 17% 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

Best Price Found	$291
Fastest flight time	8h 29m
Direct flights	None

The best flight deal from Sioux Falls to Key West found on momondo in the last 72 hours is $291

The fastest flight from Sioux Falls to Key West takes 8h 29m

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

Frequently asked questions about flying from Sioux Falls to Key West

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 8h 29m.
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?
The number of operators available for flights from Sioux Falls Joe Foss Field Airport to Key West Airport is 3 as of October 2026.
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?
Based on momondo bookings for flights between Sioux Falls and Key West, the leading airline is American Airlines, making up 50% of the total bookings. Other popular airlines include Delta with 32% and United Airlines with 18%.

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 Airlines	PriceFrom $341	Free Cancellation	Rating 7.0 12,165 reviews	Search American Airlines flights
Delta	PriceFrom $374	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
United Airlines	PriceFrom $456	Free Cancellation	Rating 7.4 10,362 reviews	Search United Airlines flights

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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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Cheap flights from Sioux Falls to Key West from $291

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 10/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Allegiant Air flights from Sioux Falls to Key West

Our best Allegiant Air deals on Sioux Falls to Key West flight tickets

American Airlines flights from Sioux Falls to Key West

Our best American Airlines deals on Sioux Falls to Key West flight tickets

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

What is the cheapest month to fly to Key West?

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

What airlines fly to Key West?

When to book flights from Sioux Falls to Key West

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

Best Price Found

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Frequently asked questions about flying 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

Traveling to a place near Key West?

Why use momondo?

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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List of cabin classes available on flights landing in Key West. Availability may vary depending on flight origin and airline.

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