SAT - KEF

$613 Find Cheap Flights from San Antonio to Reykjavik - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$613
Typical prices: $931-$1,216
Multiple Airlines
Sat 10/20Sat 10/27
SAT - KEF • 1 stop
Cheapest one-way
$728
Typical prices: $544-$700
British Airways
Tue 12/18
SAT - KEF • 2 stops
Nonstop flights
Not available
There are currently no direct flights between San Antonio and Reykjavik Keflavik Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
October
Cheapest • 13% price drop
October
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Denver Intl (DEN)
Cheapest • Avg $941 (round-trip)
Detroit Metropolitan Wayne County (DTW)
Shortest trip • 11h 35m (one-way)
Insights
Insights
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We hope you love your trip to Reykjavik Keflavik Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Antonio to Keflavik Intl (SAT-KEF)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Antonio to Keflavik Intl

Tue, Oct 20 - Tue, Oct 27
Multiple Airlines Logo
8:21 pm - 6:00 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
28h 39m1 stop Denver Intl
Multiple Airlines Logo
4:55 pm - 7:25 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
31h 30m1 stop Denver Intl
$613Multiple Airlines
Tue, Nov 10 - Mon, Nov 16
Multiple Airlines Logo
8:20 pm - 6:05 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
27h 45m1 stop Denver Intl
Multiple Airlines Logo
4:55 pm - 7:25 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
32h 30m1 stop Denver Intl
$622Multiple Airlines
Tue, Nov 10 - Mon, Nov 16
Multiple Airlines Logo
10:29 pm - 6:05 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
25h 36m2 stops Las Vegas Harry Reid Intl Denver Intl
Multiple Airlines Logo
4:55 pm - 7:25 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
32h 30m1 stop Denver Intl
$676Multiple Airlines
Sun, Oct 18 - Sat, Oct 24
Multiple Airlines Logo
9:25 am - 6:40 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
16h 15m1 stop Raleigh-Durham
Multiple Airlines Logo
4:45 pm - 8:45 amKEF  Reykjavik Keflavik Intl-SAT San Antonio
21h 00m1 stop Raleigh-Durham
$682Multiple Airlines
Sun, Jan 3 - Sat, Jan 9
Multiple Airlines Logo
9:25 am - 6:40 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
15h 15m1 stop Raleigh-Durham
Multiple Airlines Logo
4:45 pm - 9:10 amKEF  Reykjavik Keflavik Intl-SAT San Antonio
22h 25m1 stop Raleigh-Durham
$742Multiple Airlines
Tue, Nov 10 - Mon, Nov 16
Multiple Airlines Logo
2:55 pm - 9:15 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
36h 20m2 stops Dallas/Fort Worth Helsinki-Vantaa
Multiple Airlines Logo
10:00 am - 7:22 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
39h 22m2 stops Helsinki-Vantaa Dallas/Fort Worth
$749Multiple Airlines
Thu, Dec 10 - Wed, Dec 16
Multiple Airlines Logo
8:47 pm - 6:05 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
27h 18m1 stop Denver Intl
Multiple Airlines Logo
4:55 pm - 8:26 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
33h 31m2 stops Denver Intl Las Vegas Harry Reid Intl
$762Multiple Airlines
Fri, Oct 30 - Thu, Nov 12
United Airlines Logo
5:30 pm - 10:00 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
11h 30m1 stop Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 11:37 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
17h 37m1 stop Chicago O'Hare Intl
$782United Airlines
Fri, Oct 30 - Thu, Nov 12
United Airlines Logo
2:20 pm - 10:00 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
14h 40m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 10:51 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
16h 51m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$787United Airlines
Sun, Jan 10 - Sat, Jan 16
Multiple Airlines Logo
5:10 am - 9:15 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
46h 05m2 stops Miami Helsinki-Vantaa
Multiple Airlines Logo
10:00 am - 7:46 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
39h 46m2 stops Helsinki-Vantaa Dallas/Fort Worth
$796Multiple Airlines
Booking Insights

Price, demand and travel trends for San Antonio to Reykjavik Keflavik Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from San Antonio to Reykjavik Keflavik Intl Airport with more confidence.

What's the cheapest day of the week to fly from San Antonio to Reykjavik Keflavik Intl Airport?

Thursday is the cheapest day of the week to fly from San Antonio to Reykjavik Keflavik Intl Airport, it is 8% cheaper than the average day. Saturday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from San Antonio to Reykjavik Keflavik Intl Airport?

•October is the cheapest month to fly from San Antonio to Reykjavik Keflavik Intl Airport at $921 round-trip.
•February ($1,274) and May ($1,272) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 38% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for San Antonio to Reykjavik Keflavik Intl Airport flights

Low season

January

Cheapest flight

$728
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from San Antonio to Reykjavik Keflavik Intl Airport

When to book flights from San Antonio to Keflavik Intl

Are your dates flexible? Find out the best times to travel from San Antonio to Keflavik Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Antonio to Reykjavik Keflavik Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from San Antonio to Reykjavik Keflavik Intl Airport?

    Flights from San Antonio to Reykjavik Keflavik Intl Airport usually depart from San Antonio (SAT) and arrive at Reykjavik Keflavik Intl (KEF).

  • What cabin classes can I book on flights from San Antonio to Reykjavik Keflavik Intl Airport?

    Two cabin classes are available on flights from San Antonio to Reykjavik Keflavik Intl Airport:

    • Economy Class
    • First Class

  • Which airports do connecting flights from San Antonio to Reykjavik Keflavik Intl Airport pass through?

    One-stop flights from San Antonio to Reykjavik Keflavik Intl Airport most commonly connect through:

    • Seattle/Tacoma Intl (SEA) - 24% of one-stop connections
    • Baltimore/Washington (BWI) - 22% of one-stop connections
    • Nashville Intl (BNA) - 17% of one-stop connections
    • Minneapolis St Paul (MSP) - 17% of one-stop connections

    Seattle/Tacoma Intl (SEA) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from San Antonio to Reykjavik Keflavik Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 18% on the San Antonio to Reykjavik Keflavik Intl Airport route. Thursday is the cheapest departure day at $983 round-trip on average, while Saturday is the most expensive at $1,192, a difference of $209. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Reykjavik Keflavik Intl Airport?

    Some of the most popular sights in Reykjavik Keflavik Intl Airport are Harpa, Laugardalsholl and The Settlement Exhibition: Reykjavík 871±2. These are among the most viewed places in Reykjavik Keflavik Intl Airport on KAYAK.

  • How long is a flight from San Antonio to Reykjavik Keflavik Intl Airport?

    A nonstop flight from San Antonio to Reykjavik Keflavik Intl Airport takes 0h 00m, covering 3,975 miles.

  • Do I need a passport to fly from San Antonio to Reykjavik Keflavik Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from San Antonio to Reykjavik Keflavik Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $613 to $4,767. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from San Antonio to Reykjavik Keflavik Intl Airport looking right now?

    One-way fares from San Antonio to Reykjavik Keflavik Intl Airport are currently higher than usual. Average one-way flight prices are about $820, which is 25% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from San Antonio to Reykjavik Keflavik Intl Airport?

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 11h 35m, compared with 12h 00m via Nashville Intl (BNA) and 12h 36m via Minneapolis St Paul (MSP).

  • What is the time difference between San Antonio and Reykjavik Keflavik Intl Airport?

    Reykjavik Keflavik Intl Airport is 5 hours ahead of San Antonio (Greenwich Mean Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Reykjavik Keflavik Intl Airport (KEF)?

    Reykjavik Keflavik Intl Airport (KEF) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:
    • Ice Rental 4x4
    • Fair Car
    • Budget
    • Europcar
    • Alamo

  • How much should I expect to pay for a San Antonio to Reykjavik Keflavik Intl Airport flight?

    Round-trip flights from San Antonio to Reykjavik Keflavik Intl Airport range from $931 to $1,216, with an average of $1,062 over the past 12 months. Anything below $931 counts as a good deal.

Your guide to booking San Antonio to Reykjavik Keflavik Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Saturday. On this route, Thursday flights average $983 - about $209 less than Saturday (18% savings) based on the last 12 months.
  • If you can choose when to travel, plan your San Antonio to Reykjavik Keflavik Intl Airport trip for October. Fares historically average $921 round-trip in that month - typically $353 less than the most expensive month, which is February (based on the last 12 months).

More options for your flight from San Antonio to Keflavik Intl

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