The cheapest times to fly from SAT to KEF are
- April 2nd to June 17th
- July 9th to October 21st
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SAT to KEF is early September. Prices can be as high as $1607 for Friday flights during mid February, or as low as $597 for Tuesday flights around early September.
When to Fly to Reykjavík
Flying from San Antonio, TX (SAT) to Keflavik/Reykjavik (KEF) will usually cost between $606 to $1364 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $607. Due to high demand the most expensive time to fly is mid February, with an average price of $1400. Planning your trip to low-cost times can easily save you $793 on economy flights and even more on first-class flights. Generally, any price below $853 can be considered a good price for a round-trip SAT to KEF flight.
See below for a graph of average weekly prices for the SAT to KEF route. All prices are for round-trip tickets in USD.
Compared to other flights, the SAT to KEF flight is cheaper than the average and costs about as much as the average flight leaving from San Antonio. The average price per mile (for a direct flight) is $0.13, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to fly to KEF, and Monday the cheapest day to fly back into SAT. Fridays are the most expensive days to fly to Reykjavík, and Saturdays are the most expensive days to return to San Antonio. Selecting flights on the least expensive days could save you up to $200 (17%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $800. Return trip prices are from the KEF to SAT flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from SAT to KEF can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 8 minutes may not be realistic.
Flight Hacking SAT to KEF
Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SAT to KEF — but Champion Traveler does!
- Price for both tickets: $663
- Average savings: $191 (22.33%)
- Price for both tickets: $687
- Average savings: $166 (19.46%)
- Price for both tickets: $714
- Average savings: $139 (16.3%)
Flight Questions Answered
Still have questions about flying from SAT to KEF? We’ve got answers.
Which airlines fly this route?
You can find 13 major airlines flying this route most often: Air Canada, Air France, Alaska, American, Austrian, British Airways, Delta, Finnair, Icelandair, KLM, Lufthansa, Singapore Airlines, United, and potentially more during busy seasons.
How far away is it from Keflavik International Airport to San Antonio International Airport?
The distance between the two airports is roughly 3977 miles or 6400 kilometers.
How long does it take to fly from SAT to KEF?
The real-world flight time for a nonstop SAT to KEF flight is about 8 hour 8 minutes.
How many flights go between San Antonio, TX and Keflavik/Reykjavik?
It depends on the day of the week and the date, but a typical day might have around 39 available flights from SAT to KEF.
Airport Location Info
|Origination airport name||San Antonio International Airport|
|City||San Antonio, TX|
|Country||the United States|
|Destination airport name||Keflavik International Airport|
Flights to KEF
Flights from KEF
Flights to SAT
Flights from SAT
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.