$236 Cheap Flights from Rapid City (RAP) to Key West (EYW)

View $236 flight on Tue, Jun 2, 2026Opens in a new window

Popular airlines from Rapid City Regional Airport (RAP) to Key West Intl. Airport (EYW)

Cheap Flights from Rapid City to Key West (RAP-EYW)

Prices were available within the past 7 days and start at $236 for one-way flights and $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Feb 17 - Tue, Feb 24
RAP
Rapid City
EYW
Key West
$309 Roundtrip, found 21 hours ago
$309
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Tue, Feb 17 from Rapid City to Key West, returning Tue, Feb 24, priced at $309 found 21 hours ago
American Airlines
Tue, Feb 17 - Tue, Feb 24
RAP
Rapid City
EYW
Key West
$314 Roundtrip, found 21 hours ago
$314
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Tue, Feb 17 from Rapid City to Key West, returning Tue, Feb 24, priced at $314 found 21 hours ago
American Airlines
Wed, Feb 25 - Wed, Mar 4
RAP
Rapid City
EYW
Key West
$319 Roundtrip, found 18 hours ago
$319
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Feb 25 from Rapid City to Key West, returning Wed, Mar 4, priced at $319 found 18 hours ago
American Airlines
Wed, Feb 25 - Wed, Mar 4
RAP
Rapid City
EYW
Key West
$339 Roundtrip, found 18 hours ago
$339
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Feb 25 from Rapid City to Key West, returning Wed, Mar 4, priced at $339 found 18 hours ago
American Airlines
Wed, Feb 25 - Wed, Mar 4
RAP
Rapid City
EYW
Key West
$344 Roundtrip, found 18 hours ago
$344
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Feb 25 from Rapid City to Key West, returning Wed, Mar 4, priced at $344 found 18 hours ago
American Airlines
Wed, Feb 25 - Wed, Mar 4
RAP
Rapid City
EYW
Key West
$364 Roundtrip, found 18 hours ago
$364
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Feb 25 from Rapid City to Key West, returning Wed, Mar 4, priced at $364 found 18 hours ago
American Airlines
Wed, Jan 7 - Mon, Jan 12
RAP
Rapid City
EYW
Key West
$395 Roundtrip, found 1 hour ago
$395
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Jan 7 from Rapid City to Key West, returning Mon, Jan 12, priced at $395 found 1 hour ago
American Airlines
Sun, Feb 1 - Tue, Feb 10
RAP
Rapid City
EYW
Key West
$398 Roundtrip, found 1 day ago
$398
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Feb 1 from Rapid City to Key West, returning Tue, Feb 10, priced at $398 found 1 day ago
Delta
Sun, Jan 18 - Tue, Feb 3
RAP
Rapid City
EYW
Key West
$413 Roundtrip, found 5 days ago
$413
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Jan 18 from Rapid City to Key West, returning Tue, Feb 3, priced at $413 found 5 days ago
United
Tue, Jun 2 - Sun, Jun 7
RAP
Rapid City
EYW
Key West
$427 Roundtrip, found 1 day ago
$427
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 2 from Rapid City to Key West, returning Sun, Jun 7, priced at $427 found 1 day ago

Alternative airports near Key West

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Key West Intl. EYW. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $589
EYW
Key West Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $589

Frequently asked questions

How much does a flight from Rapid City Regional Airport (RAP) to Key West Intl. Airport (EYW) cost?
Secure a cheap one-way flight from $236 or cheap return flight from $309 from Rapid City Regional Airport (RAP) to Key West Intl. Airport (EYW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Rapid City Regional Airport (RAP) to Key West Intl. Airport (EYW)?
The cheapest month to fly from RAP to EYW is February, when demand is low. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Rapid City Regional Airport (RAP) to Key West Intl. Airport (EYW)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest RAP to EYW flight.
How many flights per day from Rapid City Regional Airport (RAP) to Key West Intl. Airport (EYW)?
There are no daily direct flights available from Rapid City Regional Airport (RAP) to Key West Intl. Airport (EYW). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from RAP to EYW?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rapid City Regional Airport (RAP) to Key West Intl. Airport (EYW)?
Select a flight from Rapid City Regional Airport (RAP) to Key West Intl. Airport (EYW) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Rapid City Regional Airport (RAP) to Key West Intl. Airport (EYW) last-minute?
Last-minute fares from RAP to EYW are generally more expensive. To lock in the lowest prices, start searching for flights well ahead of time. That being said, if you're flexible with your travel dates, you may land a cheap ticket just before your departure.
Is it cheaper to book a RAP to EYW flight and hotel package?
Booking a RAP to EYW flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to Key West Intl. Airport (EYW)?
Usually, it's possible to cancel or reschedule your RAP to EYW flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Rapid City Regional
Destination airport
Key West Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$308
Distance
1802 mi

Book with confidence

Rapid City to Key West Flights

The cheapest times to fly from Rapid City to Key West

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Rapid City to Key West are during the month of February. You can find some of the cheapest flights from Rapid City to Key West with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rapid City to Key West

Sunday is one of the best days to book for cheap flights from Rapid City to Key West: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Rapid City to Key West

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Rapid City to Key West in 2025. You can also book with separate airlines for your outbound and return journeys, from $236 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Rapid City to Key West flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Rapid City to Key West airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Rapid City to Key West Flights

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*Available to One Key members.