$283+ Cheap flights from South Dakota to Key West (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.
Find cheap flights from South Dakota 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 South Dakota to Key West
Keep the following information in mind while searching for South Dakota to Key West flight deals. Data was last updated June 12, 2025.
Round-trip from | $283 (American Airlines) |
|---|---|
Popular in | April |
Cheapest in | January |
Average price | $618 |
Find flight deals from South Dakota to Key West
Cheapest flights from South Dakota to Key WestExplore the most affordable flight options available from South Dakota to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from South Dakota to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This American Airlines deal was found by Cheapflights users on 6/12. 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.
This Delta deal was found by Cheapflights users on 6/12. 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.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from South Dakota 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 June 12, 2025.
Use the filters below to find and compare flights from South Dakota to Key West that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Sioux FallsKey West
FSD - EYW
FSDEYW
Sioux Falls Joe Foss Field
Sat 11/8
6:55 am-4:16 pm
1 stop8h 21m
Key West
Wed 11/12
3:50 pm-8:58 pm
1 stop6h 08m
Sioux FallsKey West
FSD - EYW
FSDEYW
Sioux Falls Joe Foss Field
Tue 10/7
5:25 am-1:08 pm
1 stop6h 43m
Key West
Wed 10/15
2:35 pm-10:11 pm
1 stop8h 36m
Sioux FallsKey West
FSD - EYW
FSDEYW
Sioux Falls Joe Foss Field
Sat 11/8
8:00 am-8:00 am
3 stops23h 00m
Key West
Wed 11/12
8:45 am-9:46 pm
2 stops14h 01m
Best time to book a flight from South Dakota to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from South Dakota with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from South Dakota to Key West
What is the cheapest month to book a flight from South Dakota to Key West?
Currently, August is the cheapest month in which you can book a flight from South Dakota to Key West (average of $328). Flying from South Dakota to Key West in March is currently the most expensive (average of $493). 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 June 12, 2025.
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from South Dakota 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 South Dakota to Key West
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from South Dakota to Key West
Discover the top 3 airlines that operate flights from South Dakota 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$563 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$298 | Average$555 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$353 | Average$538 | FlexibilityNo cancel fee | On-time69% |