FSD - EYW

$362 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
$362
Typical prices: $405-$657
Allegiant Air
Thu 11/8Mon 11/12
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
October
Cheapest • 25% price drop
April
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 59m (one-way)
Insights
Insights
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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

Sun, Nov 8 - Thu, Nov 12
Multiple Airlines Logo
7:14 pm - 8:30 amFSD  Sioux Falls Joe Foss Field-EYW Key West
12h 16m1 stop Orlando Sanford Intl
Multiple Airlines Logo
10:59 am - 8:38 amEYW  Key West-FSD Sioux Falls Joe Foss Field
22h 39m2 stops Orlando Nashville Intl
$362Multiple Airlines
Fri, Jan 1 - Thu, Jan 7
Allegiant Air Logo
1:24 pm - 1:47 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
23h 23m1 stop Tampa St. Petersburg
Allegiant Air Logo
3:25 pm - 9:07 amEYW  Key West-FSD Sioux Falls Joe Foss Field
18h 42m1 stop Tampa St. Petersburg
$362Allegiant Air
Fri, Jan 1 - Thu, Jan 7
Multiple Airlines Logo
1:24 pm - 1:47 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
23h 23m1 stop Tampa St. Petersburg
Multiple Airlines Logo
12:06 pm - 10:39 amEYW  Key West-FSD Sioux Falls Joe Foss Field
23h 33m2 stops Tampa Fort Lauderdale
$366Multiple Airlines
Wed, Oct 28 - Sat, Oct 31
American Airlines Logo
7:05 am - 4:58 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
8h 53m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
2:34 pm - 9:13 pmEYW  Key West-FSD Sioux Falls Joe Foss Field
7h 39m1 stop Dallas/Fort Worth
$371American Airlines
Wed, Oct 28 - Sat, Oct 31
American Airlines Logo
7:05 am - 4:58 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
8h 53m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
1:44 pm - 12:41 amEYW  Key West-FSD Sioux Falls Joe Foss Field
11h 57m2 stops Miami Chicago O'Hare Intl
$377American Airlines
Sun, Jan 10 - Tue, Jan 19
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
2:40 pm - 8:56 pmEYW  Key West-FSD Sioux Falls Joe Foss Field
7h 16m1 stop Dallas/Fort Worth
$419American Airlines
Wed, Sep 30 - Sat, Oct 3
Delta Logo
5:30 am - 12:53 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
6h 23m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:00 pm - 7:47 pmEYW  Key West-FSD Sioux Falls Joe Foss Field
6h 47m1 stop Atlanta Hartsfield-Jackson
$549Delta
Wed, Oct 28 - Sun, Nov 1
Delta Logo
8:30 am - 5:15 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
7h 45m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson
Delta Logo
2:00 pm - 7:55 pmEYW  Key West-FSD Sioux Falls Joe Foss Field
6h 55m1 stop Atlanta Hartsfield-Jackson
$554Delta
Mon, Jan 11 - Fri, Jan 15
United Airlines Logo
7:40 am - 5:10 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
8h 30m1 stop Chicago O'Hare Intl
United Airlines Logo
5:51 pm - 10:40 amEYW  Key West-FSD Sioux Falls Joe Foss Field
17h 49m1 stop Chicago O'Hare Intl
$643United Airlines
Mon, Jan 11 - Fri, Jan 15
United Airlines Logo
7:40 am - 5:10 pmFSD  Sioux Falls Joe Foss Field-EYW Key West
8h 30m1 stop Chicago O'Hare Intl
United Airlines Logo
3:04 pm - 10:23 pmEYW  Key West-FSD Sioux Falls Joe Foss Field
32h 19m2 stops Newark Chicago O'Hare Intl
$648United Airlines
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 from Sioux Falls to Key West with more confidence.

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

Saturday is the cheapest day of the week to fly from Sioux Falls to Key West, it is 25% cheaper than the average day. Thursday is the most expensive day with flight prices 66% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•October is the cheapest month to fly from Sioux Falls to Key West at $400 round-trip.
•December ($1,105) and February ($657) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 176% 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
Best time to beat the crowds but there is an average 107% increase in price.
Most popular time to fly and prices are also 24% lower on average.

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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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.

  • 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:

    • Chicago O'Hare Intl (ORD) - 49% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 40% of one-stop connections
    • Dallas/Fort Worth (DFW) - 9% of one-stop connections
    • Tampa St. Petersburg (PIE) - 2% of one-stop connections

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

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

    On the Sioux Falls to Key West route, being flexible with your departure day can save you up to 55%. Saturday is the cheapest day at $400 round-trip on average, while Thursday is the most expensive at $888: a $488 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • 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.

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

    A nonstop flight from Sioux Falls to Key West takes 0h 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.

  • 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 $362 to $1,491. That means the highest observed fare was about 4x higher than the lowest one.

  • 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 59m, compared with 7h 07m via Chicago O'Hare Intl (ORD) and 7h 51m 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 car rental options are available at Key West Airport (EYW)?

    Key West Airport (EYW) hosts 5 major car rental companies, with daily rates starting from around $29 for economy cars. Top options include:
    • Dollar
    • Hertz
    • Budget
    • Enterprise Rent-A-Car
    • Alamo

  • 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 $405 to $657, with an average of $533 over the past 12 months. Anything below $405 counts as a good deal.

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 can be flexible, aim for a Saturday departure instead of Thursday. On this route, Saturday flights average $400 - about $488 less than Thursday (55% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Sioux Falls to Key West trip for October. Fares historically average $400 round-trip in that month - typically $705 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.
    - Havana Cabana at Key West
    - Parrot Key Hotel & Villas
    - Fairfield Inn & Suites by Marriott Key West at The Keys Collection

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