$326+ Cheap flights from Sioux Falls to Key West (FSD - EYW)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — EYW
may. 20 — may. 271
1 adult, Economy
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Find cheap flights from Sioux Falls to Key West with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sioux Falls to Key West
Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mayo 15, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $326 (American Airlines) |
Popular in | April |
Cheapest in | January |
Average price | $538 |
Find flight deals from Sioux Falls to Key West
Cheapest flights from Sioux Falls to Key WestExplore the most affordable flight options available from Sioux Falls to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 15, 2025.
Explore the most affordable flight options available from Sioux Falls to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 15, 2025.
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/85:36 amFSD - EYW
2 stops11h 51mAmerican Airlines
mié. 11/128:12 amEYW - FSD
2 stops9h 20mAmerican Airlines
Deal found 5/15![American Airlines logo]()
$326
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/87:45 amFSD - EYW
3 stops23h 15mUnited Airlines
mié. 11/126:45 pmEYW - FSD
2 stops27h 01mUnited Airlines
Deal found 5/15![United Airlines logo]()
$476
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/115:25 amFSD - EYW
1 stop6h 43mDelta
lun. 9/152:35 pmEYW - FSD
1 stop8h 36mDelta
Deal found 5/15![Delta logo]()
$564
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated mayo 15, 2025.
Use the filters below to find and compare flights from Sioux Falls to Key West that are best for you.
Fly from
Sioux Falls
Fly to
Key West
Route
Depart
Return
Price
Sioux FallsKey West
FSD - EYW
FSDEYW
Sioux Falls Joe Foss Field
sáb. 11/8
5:36 am-6:27 pm
2 stops11h 51m
Key West
mié. 11/12
8:12 am-4:32 pm
2 stops9h 20m
$326
Sioux FallsKey West
FSD - EYW
FSDEYW
Sioux Falls Joe Foss Field
sáb. 11/8
7:45 am-8:00 am
3 stops23h 15m
Key West
mié. 11/12
6:45 pm-8:46 pm
2 stops27h 01m
$476
Sioux FallsKey West
FSD - EYW
FSDEYW
Sioux Falls Joe Foss Field
jue. 9/11
5:25 am-1:08 pm
1 stop6h 43m
Key West
lun. 9/15
2:35 pm-10:11 pm
1 stop8h 36m
$564
Compare providers for flights from Sioux Falls to Key West
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Key West in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Sioux Falls-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Key West flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sioux Falls-Key West flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Sioux Falls to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from Sioux Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Sioux Falls to Key West
What is the cheapest month to book a flight from Sioux Falls to Key West?
Currently, August is the cheapest month in which you can book a flight from Sioux Falls to Key West (average of $328). Flying from Sioux Falls to Key West in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Rainfall in Key West by month
Plan your trip to Key West by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.
Temperature in Key West by month
Plan your trip to Key West by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).
Reviews of airlines servicing Key West
Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated mayo 15, 2025.
Food
7.3
Comfort
7.9
Entertainment
7.9
Overall
8.0
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Food
7.3
Comfort
7.9
Entertainment
7.9
Overall
8.0
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Food
7.3
Comfort
7.9
Entertainment
7.9
Overall
8.0
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Food
7.3
Comfort
7.9
Entertainment
7.9
Overall
8.0
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Sioux Falls to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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
Discover the top 3 airlines that operate flights from Sioux Falls to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated mayo 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$578 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$298 | Average$543 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$353 | Average$538 | FlexibilityNo cancel fee | On-time69% |