Cheap flights from Sioux Falls to Key West (FSD - EYW) from $323

FSD — EYW
Mar 25 — Apr 11

It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, April can be a great choice for travel to Key West. Flights to Key West from Sioux Falls in April are about $656 on average during April, but can be found for as low as $375.

It’s typically best to fly out from Sioux Falls to Key West at noon. Doing so could potentially save you 12% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from Sioux Falls to Key West in March, April 2023

The best prices found for FSD to EYW flights for March, April

Sioux Falls to Key West 2023 flight deals

Cheap flights to Key West from Sioux Falls found for this year

Cheap United Airlines flights from Sioux Falls to Key West

Cheap American Airlines flights from Sioux Falls to Key West

Last minute flights from Sioux Falls to Key West

Late deals on return flights to Key West from Sioux Falls, departing today and this week

One-way flights to Key West from Sioux Falls

The cheapest one-way flights from Sioux Falls to Key West

Find flights from Sioux Falls to Key West within your budget

Use the slider to find flights from Sioux Falls to Key West that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$409 - $778

Route

Depart

Return

Price

Sioux Falls Joe Foss FieldKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

2023-04-01

1 stop12h 47m

Key West

2023-04-05

2 stops27h 25m

Sioux Falls Joe Foss FieldKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

2023-04-01

1 stop12h 47m

Key West

2023-04-05

1 stop25h 14m

Sioux Falls Joe Foss FieldKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

2023-04-04

2 stops24h 24m

Key West

2023-04-08

1 stop25h 14m

Sioux Falls Joe Foss FieldKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

2023-04-12

2 stops14h 04m

Key West

2023-04-17

2 stops29h 23m

Sioux Falls Joe Foss FieldKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

2023-03-31

2 stops13h 43m

Key West

2023-04-04

2 stops31h 42m

Sioux Falls Joe Foss FieldKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

2023-03-31

1 stop8h 06m

Key West

2023-04-04

2 stops9h 41m

Sioux Falls Joe Foss FieldKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

2023-03-31

1 stop5h 49m

Key West

2023-04-04

1 stop7h 26m

Sioux Falls Joe Foss FieldKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

2023-06-07

2 stops10h 30m

Key West

2023-06-14

1 stop7h 59m

Sioux Falls Joe Foss FieldKey West

FSD - EYW

FSDEYW

Sioux Falls Joe Foss Field

2023-04-12

1 stop5h 48m

Key West

2023-04-17

1 stop7h 25m

Flights are sorted by cheapest first

Deals found on 3/20

Reviews of Airlines Servicing Key West

Delta
8.0
Very good
2,333 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Overall

8.0

Comfort

7.9

Entertainment

7.8

Reviews

1 / 10

For more detail, read my previous comments on our TUS to SLC leg. A LOT could have been better. In fact, I wish I had not booked this round trip with Delta at all. I won't be flying Delta for a long time, if ever, again...👎

Delta
8.0
Very good
2,333 reviews
Delta
8.0
Very good
2,333 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Overall

8.0

Comfort

7.9

Entertainment

7.8

Reviews

1 / 10

For more detail, read my previous comments on our TUS to SLC leg. A LOT could have been better. In fact, I wish I had not booked this round trip with Delta at all. I won't be flying Delta for a long time, if ever, again...👎

United Airlines
7.6
Good
1,427 reviews
Delta
8.0
Very good
2,333 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Overall

8.0

Comfort

7.9

Entertainment

7.8

Reviews

1 / 10

For more detail, read my previous comments on our TUS to SLC leg. A LOT could have been better. In fact, I wish I had not booked this round trip with Delta at all. I won't be flying Delta for a long time, if ever, again...👎

Allegiant Air
7.5
Good
95 reviews
Delta
8.0
Very good
2,333 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Overall

8.0

Comfort

7.9

Entertainment

7.8

Reviews

1 / 10

For more detail, read my previous comments on our TUS to SLC leg. A LOT could have been better. In fact, I wish I had not booked this round trip with Delta at all. I won't be flying Delta for a long time, if ever, again...👎

American Airlines
7.4
Good
1,728 reviews
Delta
8.0
Very good
2,333 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Overall

8.0

Comfort

7.9

Entertainment

7.8

Reviews

1 / 10

For more detail, read my previous comments on our TUS to SLC leg. A LOT could have been better. In fact, I wish I had not booked this round trip with Delta at all. I won't be flying Delta for a long time, if ever, again...👎

Related info for your journey

Useful info, stats and facts about Sioux Falls to Key West flights.

Some of the carriers operating flights from Sioux Falls Joe Foss Field to Key West that may be offering flexible cancellation policies are American Airlines, Delta, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Yes, there are multiple flights from Sioux Falls to Key West for under $500. The cheapest flight booked recently is on Multiple Airlines for just $409, but on average you can expect to pay $709.

There are currently 9+ open flights from Sioux Falls to Key West within the next 7 days for less than $400.

Flying on United Airlines is currently your cheapest option to Key West, with prices starting at $598. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $655 and $709, respectively. You may be able to fly from Sioux Falls to Key West for 8% less than the average price by searching for these airlines.

While on average a flight from Sioux Falls to Key West is generally $1,158, our data shows the cheapest flight currently is $86. When looking at the most popular route, (Sioux Falls Joe Foss Field - Key West), you can expect to pay $338 for that flight.

FSD stands for Sioux Falls Joe Foss Field Airport, while EYW stands for Key West Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

Alternative routes for Sioux Falls to Key West

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Sioux Falls to Key West

The chart below displays the airlines Cheapflights users traveling from Sioux Falls to Key West choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American AirlinesCheapest$464Average$690FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$510Average$868FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$531Average$697FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.