FSD - EYW

$261 Find Cheap Flights from Sioux Falls to Key West - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$426
Typical prices: $432-$662
American Airlines
Fri 1/19Tue 1/23
FSD - EYW • 1 stop
Cheapest one-way
$261
Typical prices: $479-$532
Allegiant Air
Wed 12/19
FSD - EYW • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Sioux Falls and Key West. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
April
Cheapest • 24% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Tampa St. Petersburg (PIE)
Cheapest • Avg $278 (round-trip)
Atlanta Hartsfield-Jackson (ATL)
Shortest trip • 6h 54m (one-way)
Insights
Insights
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We hope you love your trip to Key West!
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Flight Deals

Cheap Flights from Sioux Falls to Key West (FSD-EYW)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sioux Falls to Key West

Tue, Jan 19 - Sat, Jan 23
American Airlines Logo
7:00 am - 4:52 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
8h 52m1 stop Dallas/Fort Worth
American Airlines Logo
2:36 pm - 8:54 pmEYW  Key West-FSD Sioux Falls Joe Foss Field
7h 18m1 stop Dallas/Fort Worth
$426American Airlines
Tue, Jan 19 - Sat, Jan 23
American Airlines Logo
7:00 am - 4:52 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
8h 52m1 stop Dallas/Fort Worth
American Airlines Logo
1:53 pm - 12:44 amEYW  Key West-FSD Sioux Falls Joe Foss Field
11h 51m2 stops Charlotte Douglas Chicago O'Hare Intl
$431American Airlines
Fri, Nov 27 - Fri, Dec 4
United Airlines Logo
7:48 am - 3:29 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
6h 41m1 stop Chicago O'Hare Intl
United Airlines Logo
4:10 pm - 11:30 pmEYW  Key West-FSD Sioux Falls Joe Foss Field
8h 20m1 stop Chicago O'Hare Intl
$440United Airlines
Fri, Nov 27 - Fri, Dec 4
Delta Logo
8:31 am - 8:00 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
10h 29m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson
Delta Logo
2:01 pm - 8:08 pmEYW  Key West-FSD Sioux Falls Joe Foss Field
7h 07m1 stop Atlanta Hartsfield-Jackson
$464Delta
Tue, Mar 30 - Sat, Apr 3
American Airlines Logo
6:08 am - 3:38 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
8h 30m1 stop Dallas/Fort Worth
American Airlines Logo
2:44 pm - 8:53 pmEYW  Key West-FSD Sioux Falls Joe Foss Field
7h 09m1 stop Dallas/Fort Worth
$510American Airlines
Fri, Dec 11 - Fri, Jan 8
Multiple Airlines Logo
11:05 am - 5:00 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
28h 55m1 stop Fort Lauderdale
Multiple Airlines Logo
2:04 pm - 9:49 amEYW  Key West-FSD Sioux Falls Joe Foss Field
44h 45m2 stops Knoxville McGhee Tyson Orlando Sanford Intl
$613Multiple Airlines
Fri, Dec 11 - Fri, Jan 8
United Airlines Logo
7:40 am - 3:26 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
6h 46m1 stop Chicago O'Hare Intl
United Airlines Logo
4:09 pm - 10:25 pmEYW  Key West-FSD Sioux Falls Joe Foss Field
7h 16m1 stop Chicago O'Hare Intl
$717United Airlines
Sat, Jan 30 - Wed, Feb 3
United Airlines Logo
7:30 am - 2:13 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
29h 43m3 stops Chicago O'Hare Intl Lambert-St Louis Newark
United Airlines Logo
4:09 pm - 10:21 pmEYW  Key West-FSD Sioux Falls Joe Foss Field
7h 12m1 stop Chicago O'Hare Intl
$803United Airlines
Fri, Apr 23 - Mon, Apr 26
Delta Logo
6:45 am - 1:08 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
5h 23m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:35 pm - 7:41 pmEYW  Key West-FSD Sioux Falls Joe Foss Field
6h 06m1 stop Atlanta Hartsfield-Jackson
$865Delta
Sat, Dec 26 - Sat, Jan 2
Allegiant Air Logo
10:34 am - 2:20 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
26h 46m1 stop Tampa St. Petersburg
Allegiant Air Logo
8:59 am - 9:43 amEYW  Key West-FSD Sioux Falls Joe Foss Field
25h 44m2 stops Knoxville McGhee Tyson Orlando Sanford Intl
$1,184Allegiant Air
Booking Insights

Price, demand and travel trends for Sioux Falls to Key West flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Sioux Falls to Key West?

Round-trip flights from Sioux Falls to Key West typically range from $432 to $662. The lowest price found in the past 5 days was $426, on American Airlines.

What's the cheapest day of the week to fly from Sioux Falls to Key West?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Sioux Falls to Key West. It’s 21% cheaper than the average day, while Thursday is the most expensive, with prices 58% higher.

What’s the cheapest month to fly from Sioux Falls to Key West?

•April is the cheapest month to fly from Sioux Falls to Key West at $408 round-trip.
•December ($1,105) and March ($829) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 170% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Sioux Falls to Key West flights

Low season

December

Cheapest flight

$261
Beat the crowds with an average 33% drop in travelers.
The most popular month to fly with an average 53% increase in travelers.
One-way flight from Sioux Falls to Key West

When to book flights from Sioux Falls to Key West

Are your dates flexible? Find out the best times to travel from Sioux Falls to Key West based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Sioux Falls to Key West flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Sioux Falls to Key West?

    Only Economy Class is available on flights from Sioux Falls to Key West.

  • How long is a flight from Sioux Falls to Key West?

    A nonstop flight from Sioux Falls to Key West takes 00m, covering 1,563 miles.

  • Do I need a passport to fly from Sioux Falls to Key West?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Sioux Falls to Key West flight?

    Round-trip flights from Sioux Falls to Key West range from $432 to $662, with an average of $534 over the past 12 months. Anything below $432 counts as a good deal.

  • Have flight prices from Sioux Falls to Key West changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $426 to $2,252. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Sioux Falls to Key West looking right now?

    One-way fares from Sioux Falls to Key West are currently lower than usual. Average one-way flight prices are about $364, which is 28% below the typical average for this route.

  • What car rental options are available at Key West Airport (EYW)?

    Key West Airport (EYW) hosts 5 major car rental companies, with daily rates averaging $67 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Enterprise Rent-A-Car
    • Alamo

  • Which airports can I use when flying from Sioux Falls to Key West?

    Flights from Sioux Falls to Key West usually depart from Sioux Falls Joe Foss Field (FSD) and arrive at Key West (EYW).

  • Which airports do connecting flights from Sioux Falls to Key West pass through?

    One-stop flights from Sioux Falls to Key West most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 43% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 41% of one-stop connections
    • Dallas/Fort Worth (DFW) - 14% of one-stop connections
    • Tampa St. Petersburg (PIE) - 2% of one-stop connections

  • Can I save money by using flexible dates for flights from Sioux Falls to Key West?

    Yes. Flexible dates can save you up to 50% on flights from Sioux Falls to Key West. Saturday is the cheapest departure day at $425 round-trip on average, while Thursday is the most expensive at $848, a difference of $423.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Sioux Falls to Key West?

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 6h 54m, compared with 7h 09m via Chicago O'Hare Intl (ORD) and 8h 04m via Dallas/Fort Worth (DFW).

  • What is the time difference between Sioux Falls and Key West?

    Key West is 1 hour ahead of Sioux Falls (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Key West?

    Some of the most popular sights in Key West are Duval Street, Key West Historic District and Mallory Square. These are among the most viewed places in Key West on KAYAK.

Your guide to booking Sioux Falls to Key West flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Thursday. On this route, Saturday flights average $425, about $423 less than Thursday fares (50% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Sioux Falls to Key West trip for April. Fares historically average $408 round-trip in that month - typically $697 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Key West Airport.

    • Parrot Key Hotel & Villas
    • Margaritaville Beach House Key West
    • Havana Cabana at Key West

More options for your flight from Sioux Falls to Key West

Complete your trip to Key West with a hotel stay or car rental

Car rentals in Key West
Hotels in Key West
Vacations in Key West