$121 Cheap Flights from Reykjavik (KEF) to Prague (PRG)

View $121 flight on Mon, Nov 10, 2025Opens in a new window

Popular airlines from Reykjavik–Keflavik Intl. Airport (KEF) to Vaclav Havel Airport (PRG)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Reykjavik to Prague (KEF-PRG)

Prices were available within the past 7 days and start at $121 for one-way flights and $245 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Tue, Sep 30 - Wed, Oct 8
KEF
Reykjavik
PRG
Prague
$245 Roundtrip, found 1 day ago
$245
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, Sep 30 from Reykjavik to Prague, returning Wed, Oct 8, priced at $245 found 1 day ago
Scandinavian Airlines
Tue, Aug 12 - Thu, Aug 28
KEF
Reykjavik
PRG
Prague
$256 Roundtrip, found 4 days ago
$256
Roundtrip
found 4 days ago
Select Scandinavian Airlines flight, departing Tue, Aug 12 from Reykjavik to Prague, returning Thu, Aug 28, priced at $256 found 4 days ago
Swiss International Air Lines
Tue, Sep 30 - Sat, Oct 18
KEF
Reykjavik
PRG
Prague
$263 Roundtrip, found 1 day ago
$263
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, Sep 30 from Reykjavik to Prague, returning Sat, Oct 18, priced at $263 found 1 day ago
Austrian Airlines
Sat, Aug 9 - Sat, Aug 23
KEF
Reykjavik
PRG
Prague
$266 Roundtrip, found 23 hours ago
$266
Roundtrip
found 23 hours ago
Select Austrian Airlines flight, departing Sat, Aug 9 from Reykjavik to Prague, returning Sat, Aug 23, priced at $266 found 23 hours ago
Lufthansa
Thu, Apr 16 - Thu, Apr 30
KEF
Reykjavik
PRG
Prague
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Thu, Apr 16 from Reykjavik to Prague, returning Thu, Apr 30, priced at $273 found 1 day ago
Scandinavian Airlines
Sun, Sep 21 - Wed, Oct 15
KEF
Reykjavik
PRG
Prague
$274 Roundtrip, found 10 hours ago
$274
Roundtrip
found 10 hours ago
Select Scandinavian Airlines flight, departing Sun, Sep 21 from Reykjavik to Prague, returning Wed, Oct 15, priced at $274 found 10 hours ago
LOT-Polish Airlines
Wed, Oct 1 - Thu, Oct 16
KEF
Reykjavik
PRG
Prague
$276 Roundtrip, found 1 day ago
$276
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Wed, Oct 1 from Reykjavik to Prague, returning Thu, Oct 16, priced at $276 found 1 day ago
Scandinavian Airlines
Mon, Nov 3 - Mon, Nov 10
KEF
Reykjavik
PRG
Prague
$295 Roundtrip, found 5 days ago
$295
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Mon, Nov 3 from Reykjavik to Prague, returning Mon, Nov 10, priced at $295 found 5 days ago
Fly Play
Sun, Sep 21 - Sun, Sep 28
KEF
Reykjavik
PRG
Prague
$300 Roundtrip, found 6 hours ago
$300
Roundtrip
found 6 hours ago
Select Fly Play flight, departing Sun, Sep 21 from Reykjavik to Prague, returning Sun, Sep 28, priced at $300 found 6 hours ago
Icelandair
Mon, Mar 2 - Fri, Mar 6
KEF
Reykjavik
PRG
Prague
$369 Roundtrip, found 2 days ago
$369
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Mar 2 from Reykjavik to Prague, returning Fri, Mar 6, priced at $369 found 2 days ago

Find the cheapest month to fly from Reykjavik (KEF) to Prague (PRG)

October is typically the cheapest month to fly

From $224 - $482 per traveler.

Graph displaying average flight prices per month

Alternative airports near Prague

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

Select flight to Vaclav Havel PRG. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $425
PRG
Vaclav Havel
CheapestClosest
Average driving time to city center19 min
Flights from $425
Flights from Reykjavik (KEF) to Prague (PRG)
Origin airport
Keflavik Intl.
Destination airport
Vaclav Havel
Airlines serving
Air Baltic, Air France, Austrian Airlines, British Airways, Eurowings, Finnair, Fly Play, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Norwegian Air Shuttle, Scandinavian Airlines, Swiss International Air Lines, World Ticket Ltd
Roundtrip price
$244
Distance
1649 mi
Average flight time
5 hours 47 mins

Reykjavik to Prague Flights

The cheapest times to fly from Reykjavik to Prague

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 Reykjavik to Prague are during the month of September. You can find some of the cheapest flights from Reykjavik to Prague with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Reykjavik to Prague

Sunday is one of the best days to book for cheap flights from Reykjavik to Prague: 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 Reykjavik to Prague

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 Reykjavik to Prague in 2025. You can also book with separate airlines for your outbound and return journeys, from $121 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 Reykjavik to Prague 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 Reykjavik to Prague 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.

 

Frequently asked questions

How much does a flight from Keflavik Intl. Airport (KEF) to Vaclav Havel Airport (PRG) cost?
Cheap return flights from Keflavik Intl. Airport (KEF) to Vaclav Havel Airport (PRG) start at $349. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Fly Play flight leaving KEF on August 15 2025 and touching down at PRG. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from KEF to PRG?
The cheapest flights from KEF to PRG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from KEF to PRG?
Fly from KEF to PRG with Fly Play. This carrier currently offers the cheapest one-way fare for this route, starting at $210. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KEF on October 5 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Keflavik Intl. Airport (KEF) to Vaclav Havel Airport (PRG)?
Direct flights from Keflavik Intl. Airport (KEF) to Vaclav Havel Airport (PRG) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from KEF to PRG?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Keflavik Intl. Airport (KEF) to Vaclav Havel Airport (PRG)?
To avoid possible delays on the Keflavik Intl. Airport (KEF) to Vaclav Havel Airport (PRG) route, fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Keflavik Intl. Airport (KEF) to Vaclav Havel Airport (PRG) last-minute?
Booking your flight from KEF to PRG just before your getaway is usually more expensive. However, if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a KEF to PRG flight and hotel package?
Booking a KEF to PRG flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Keflavik Intl. Airport (KEF) to Vaclav Havel Airport (PRG)?
If you reserved your KEF to PRG flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Explore a world of travel with Expedia

*Available to One Key members.