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$729+ Cheap flights from Key West (EYW) to Prague (PRG)

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — PRG
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Key West to Prague

Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to Prague (PRG). 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 July 30, 2025.

Round-trip from

$729
(Ovago)

Popular in

January

Cheapest in

February

Average price

$1,084
From Key West to Václav Havel Prague
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($194 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($76 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Key West to Prague

Cheapest flights from Key West to Prague
Explore the most affordable flight options available from Key West to Prague. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/121:59 pmEYW - PRG
2 stops27h 01mBritish Airways
Fri 9/197:10 amPRG - EYW
2 stops17h 49mBritish Airways
Deal found 7/29$729
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 9/123:50 pmEYW - PRG
2 stops16h 15mUnited Airlines
Fri 9/192:30 pmPRG - EYW
3 stops29h 41mUnited Airlines
Deal found 7/29$1,241

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key West to Prague 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 July 30, 2025.
Use the filters below to find and compare flights from Key West to Prague that are best for you.

Fly from

Key West

Fly to

Prague

Route

Depart

Return

Price

Key WestPrague

EYW - PRG

EYWPRG

Key West

Fri 9/12

1:59 pm-11:00 pm

2 stops27h 01m

Václav Havel Prague

Fri 9/19

7:10 am-6:59 pm

2 stops17h 49m

$729

Key WestPrague

EYW - PRG

EYWPRG

Key West

Fri 9/12

3:50 pm-2:05 pm

2 stops16h 15m

Václav Havel Prague

Fri 9/19

2:30 pm-2:11 pm

3 stops29h 41m

$1,241

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Key West to Prague

Have a flexible travel schedule? Discover the best time to fly to Prague from Key West 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 Key West to Prague

What is the cheapest time of day to fly from EYW to PRG?

Find hourly flight availability from Key West to Prague. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

When flying from Key West to Prague, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 41% versus a flight in the evening.

How much does it cost to fly round-trip from Key West to Prague?

Reviews of airlines servicing Prague

Get insights into the airlines that provide service to Prague. 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 Prague. Reviews last updated July 30, 2025.
Get a feel of what it's like to fly with United Airlines and British Airways from Key West to Prague by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.6
Okay
7,217 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Key West to Prague. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Key West to Prague round-trip?

    Our cheapest airline available from Key West to Prague is British Airways. Our recent data shows that you can find tickets from as low as $729 on this airline. An additional option worth looking into is United Airlines, starting at $1,241. Users have found that British Airways is 34% cheaper than the other options available to this destination.

  • Can I find deals for flights from Key West to Prague that include hotel bookings?

    Yes. In addition to deals on Key West to Prague flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key West to Prague?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key West to Prague.

  • Can I find deals for business class flights from Key West to Prague?

    Yes. Cheapflights offers flight deals from Key West to Prague by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key West to Prague?

    Currently, November is the cheapest month in which you can book a flight from Key West to Prague (average of $651). Flying from Key West to Prague in June is currently the most expensive (average of $1,118). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Key West to Prague

Discover the top airline that operate flights from Key West to Prague. 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$726Average$866FlexibilityNo cancel feeOn-timeN/A

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