HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$112+ Cheap flights from Prague (PRG) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — KEF
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Prague to Keflavik Intl 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.

Cheapflights Tip: The best prices from Václav Havel Prague to Reykjavik Keflavik Intl are usually found in September or June, booked 21 days in advance, depart on a Thursday or Sunday and return on a Monday

Cheap flight deals from Prague to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Prague (PRG) to Keflavik Intl (KEF). 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 August 14, 2025.

Round-trip from

$181
(Lufthansa)

One-way from

$112
(Transavia Smart Connect)

Popular in

December

Cheapest in

September

Average price

$422

Good round-trip deal

$627 or less

Good one-way deal

$512 or less
From Václav Havel Prague to Reykjavik Keflavik Intl
Search Deals
One-way flight from Václav Havel Prague to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from Václav Havel Prague to Reykjavik Keflavik Intl.
Search Deals
Price to beat on a one-way flight from Václav Havel Prague to Reykjavik Keflavik Intl.
Search Deals

Find flight deals from Prague to Keflavik Intl

Cheapest flights from Prague to Keflavik Intl
Explore the most affordable flight options available from Prague to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Lufthansa deal was found by Cheapflights users on 8/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:35 pmPRG - KEF
1 stop12h 35mMultiple Airlines
Tue 9/234:10 pmKEF - PRG
1 stop14h 55mMultiple Airlines
Deal found 8/14$181
This Lufthansa deal was found by Cheapflights users on 8/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:40 amPRG - KEF
1 stop13h 55mMultiple Airlines
Tue 9/234:10 pmKEF - PRG
1 stop14h 55mMultiple Airlines
Deal found 8/14$190
This PLAY deal was found by Cheapflights users on 8/14. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:50 pmPRG - KEF
Nonstop4h 05mPLAY
Sun 9/283:00 pmKEF - PRG
Nonstop3h 50mPLAY
Deal found 8/14$201
This Expedia deal was found by Cheapflights users on 8/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:35 pmPRG - KEF
1 stop12h 35mLufthansa
Tue 9/234:10 pmKEF - PRG
2 stops38h 45mLufthansa
Deal found 8/14$228
This KLM deal was found by Cheapflights users on 8/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:25 pmPRG - KEF
1 stop12h 20mKLM
Thu 10/210:00 amKEF - PRG
1 stop10h 35mKLM
Deal found 8/14$231
This Scandinavian Airlines deal was found by Cheapflights users on 8/13. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/298:50 pmPRG - KEF
1 stop14h 55mScandinavian Airlines
Fri 12/511:30 amKEF - PRG
1 stop7h 55mScandinavian Airlines
Deal found 8/13$233
This Lufthansa deal was found by Cheapflights users on 8/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:35 amPRG - KEF
2 stops16h 00mMultiple Airlines
Fri 10/2412:10 amKEF - PRG
1 stop13h 55mMultiple Airlines
Deal found 8/13$243
This Lufthansa deal was found by Cheapflights users on 8/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1711:40 amPRG - KEF
1 stop13h 55mMultiple Airlines
Tue 10/2112:10 amKEF - PRG
1 stop8h 25mMultiple Airlines
Deal found 8/13$246
This Scandinavian Airlines deal was found by Cheapflights users on 8/13. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:20 pmPRG - KEF
1 stop16h 25mScandinavian Airlines
Mon 11/2411:30 amKEF - PRG
1 stop6h 10mScandinavian Airlines
Deal found 8/13$254
This Gotogate deal was found by Cheapflights users on 8/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:40 pmPRG - KEF
1 stop6h 30mLOT
Sat 10/1112:45 amKEF - PRG
1 stop18h 55mLOT
Deal found 8/13$258
This Scandinavian Airlines deal was found by Cheapflights users on 8/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:55 pmPRG - KEF
1 stop14h 35mScandinavian Airlines
Thu 10/2311:05 amKEF - PRG
2 stops20h 40mScandinavian Airlines
Deal found 8/14$259
This Lufthansa deal was found by Cheapflights users on 8/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/61:35 pmPRG - KEF
1 stop12h 35mMultiple Airlines
Tue 9/169:25 amKEF - PRG
1 stop7h 00mMultiple Airlines
Deal found 8/13$260

Cheapflights Fare Finder

 
Customize your flight search to find flights from Prague to Keflavik Intl 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 August 14, 2025.
Use the filters below to find and compare flights from Prague to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Prague

Fly to

Keflavik Intl

Route

Depart

Return

Price

PragueReykjavik

PRG - KEF

PRGKEF

Václav Havel Prague

Sat 9/13

1:35 pm-12:10 am

1 stop12h 35m

Reykjavik Keflavik Intl

Tue 9/23

4:10 pm-9:05 am

1 stop14h 55m

$181

PragueReykjavik

PRG - KEF

PRGKEF

Václav Havel Prague

Wed 9/17

11:40 am-11:35 pm

1 stop13h 55m

Reykjavik Keflavik Intl

Tue 9/23

4:10 pm-9:05 am

1 stop14h 55m

$190

PragueReykjavik

PRG - KEF

PRGKEF

Václav Havel Prague

Thu 9/25

9:50 pm-11:55 pm

Nonstop4h 05m

Reykjavik Keflavik Intl

Sun 9/28

3:00 pm-8:50 pm

Nonstop3h 50m

$201

PragueReykjavik

PRG - KEF

PRGKEF

Václav Havel Prague

Sat 9/13

1:35 pm-12:10 am

1 stop12h 35m

Reykjavik Keflavik Intl

Tue 9/23

4:10 pm-8:55 am

2 stops38h 45m

$228

PragueReykjavik

PRG - KEF

PRGKEF

Václav Havel Prague

Thu 9/25

9:25 pm-7:45 am

1 stop12h 20m

Reykjavik Keflavik Intl

Thu 10/2

10:00 am-10:35 pm

1 stop10h 35m

$231

PragueReykjavik

PRG - KEF

PRGKEF

Václav Havel Prague

Sat 11/29

8:50 pm-10:45 am

1 stop14h 55m

Reykjavik Keflavik Intl

Fri 12/5

11:30 am-8:25 pm

1 stop7h 55m

$233

PragueReykjavik

PRG - KEF

PRGKEF

Václav Havel Prague

Mon 10/20

9:35 am-11:35 pm

2 stops16h 00m

Reykjavik Keflavik Intl

Fri 10/24

12:10 am-4:05 pm

1 stop13h 55m

$243

PragueReykjavik

PRG - KEF

PRGKEF

Václav Havel Prague

Fri 10/17

11:40 am-11:35 pm

1 stop13h 55m

Reykjavik Keflavik Intl

Tue 10/21

12:10 am-10:35 am

1 stop8h 25m

$246

PragueReykjavik

PRG - KEF

PRGKEF

Václav Havel Prague

Thu 11/20

7:20 pm-10:45 am

1 stop16h 25m

Reykjavik Keflavik Intl

Mon 11/24

11:30 am-6:40 pm

1 stop6h 10m

$254

PragueReykjavik

PRG - KEF

PRGKEF

Václav Havel Prague

Sun 10/5

7:40 pm-12:10 am

1 stop6h 30m

Reykjavik Keflavik Intl

Sat 10/11

12:45 am-9:40 pm

1 stop18h 55m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Prague to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Prague 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 Prague to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Prague to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Prague to Keflavik Intl. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Prague to Reykjavik Keflavik Intl Airport, you should look to book at least 21 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Prague to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Prague to Reykjavik Keflavik Intl Airport (average of $328). Flying from Prague to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). 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.

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

Find hourly flight availability from Prague to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

It’s typically best to fly out from Prague to Reykjavik Keflavik Intl Airport in the afternoon. Doing so could potentially save you 52% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. 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 Keflavik Intl. Reviews last updated August 14, 2025.
Peruse reviews from past customers who have flown with SWISS, Icelandair, and PLAY from Prague to Reykjavik Keflavik Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.6
Good
1,699 reviews

Entertainment

6.8

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.6
Good
1,699 reviews
SWISS
7.6
Good
1,699 reviews

Entertainment

6.8

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Icelandair
7.0
Good
526 reviews
SWISS
7.6
Good
1,699 reviews

Entertainment

6.8

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
PLAY
7.0
Good
103 reviews
SWISS
7.6
Good
1,699 reviews

Entertainment

6.8

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Related info for your journey

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

  • What airport do you fly from for flights from Prague to Reykjavik Keflavik Intl?

    If you book a flight to Reykjavik Keflavik Intl from Prague, you will be flying from Václav Havel Prague, which is the city’s only airport. Václav Havel Prague (PRG) is located 6.9 mi from the center of Prague. There are 0 flights from Václav Havel Prague to Reykjavik Keflavik Intl per day from 3 different airlines.

  • What are the cheapest airlines flying from Prague to Reykjavik Keflavik Intl Airport round-trip?

    Cheapflights users have booked flights from Prague to Reykjavik Keflavik Intl Airport round-trip from $153. Other airlines that can offer you cheap pricing are PLAY, from $266, and Icelandair, from $368. Users have found that SWISS is 54% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Prague to Reykjavik Keflavik Intl Airport one-way?

    For one-way options, check prices for Transavia France. According to our data, you can fly for as low as $112. Users have also found prices from $113 and $121 on Lufthansa and SWISS, respectively.

  • What are the most reliable airlines from Prague to Reykjavik Keflavik Intl Airport?

    Before booking your flight to Reykjavik Keflavik Intl Airport from Prague, check out the most reliable airlines to get you to your destination on time: PLAY (100%), Icelandair (77%), Emirates( 0%).

  • What are the cheapest flights from Prague to Reykjavik Keflavik Intl Airport?

    On average you can expect to pay $822 for a flight from Prague to Reykjavik Keflavik Intl Airport. The cheapest flight overall is $267 while the most popular route, (Václav Havel Prague - Reykjavik Keflavik Intl) is currently priced at $263.

  • Can I find deals for flights from Prague to Keflavik Intl that include hotel bookings?

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

  • How can I find direct flights from Prague to Keflavik Intl?

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

  • Can I find deals for business class flights from Prague to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Prague to Keflavik Intl 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 Prague to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Prague to Reykjavik Keflavik Intl Airport (average of $328). Flying from Prague to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). 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

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Prague to Keflavik Intl

Discover the top 3 airlines that operate flights from Prague to Keflavik Intl. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$153Average$297FlexibilityNo cancel feeOn-time79%
PLAYCheapest$266Average$331FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$368Average$458FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.