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Cheap flights from San Antonio to Reykjavik from $407

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Reykjavik departing on 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Antonio to Reykjavik (SAT-KEF)

Cheap round-trip flights

Logo
11:35 am - 9:30 amSAT-KEF
16h 55m1 stop
Logo
11:25 am - 10:42 pmKEF-SAT
16h 17m2 stops
$554
Find Deal
Sun, Sep 21 - Tue, Oct 7
United Airlines Logo
11:45 am - 7:00 amSAT-KEF
14h 15m2 stops
United Airlines Logo
9:30 am - 4:18 pmKEF-SAT
35h 48m2 stops
$557United Airlines
Find Deal
Sun, Aug 31 - Wed, Sep 10
Logo
4:05 pm - 9:30 amSAT-KEF
36h 25m2 stops
Logo
8:45 am - 5:16 pmKEF-SAT
13h 31m2 stops
$562
Find Deal
Sun, Sep 21 - Tue, Oct 7
Air Canada Logo
12:57 pm - 8:15 amSAT-KEF
14h 18m2 stops
Air Canada Logo
9:30 am - 4:18 pmKEF-SAT
35h 48m2 stops
$572Air Canada
Find Deal
Wed, Sep 3 - Wed, Sep 10
KLM Logo
4:31 pm - 9:30 amSAT-KEF
11h 59m1 stop
KLM Logo
11:25 am - 11:57 pmKEF-SAT
17h 32m2 stops
$580KLM
Find Deal
Sun, Aug 31 - Wed, Sep 10
KLM Logo
11:26 am - 6:20 amSAT-KEF
13h 54m1 stop
KLM Logo
8:45 am - 10:42 pmKEF-SAT
18h 57m1 stop
$606KLM
Find Deal
Sun, Sep 21 - Tue, Oct 7
Air Canada Logo
5:30 am - 8:10 amSAT-KEF
21h 40m2 stops
Air Canada Logo
9:50 am - 10:58 pmKEF-SAT
18h 08m2 stops
$647Air Canada
Find Deal
Thu, Sep 4 - Mon, Sep 15
Lufthansa Logo
12:00 pm - 12:10 amSAT-KEF
31h 10m2 stops
Lufthansa Logo
12:25 am - 8:33 pmKEF-SAT
25h 08m2 stops
$755Lufthansa
Find Deal
Wed, Sep 10 - Fri, Sep 19
Delta Logo
5:14 am - 6:20 amSAT-KEF
20h 06m2 stops
Delta Logo
8:45 am - 11:07 pmKEF-SAT
19h 22m2 stops
$815Delta
Find Deal
Sat, Oct 11 - Mon, Oct 20
Lufthansa Logo
5:15 pm - 11:35 pmSAT-KEF
25h 20m2 stops
Lufthansa Logo
12:25 am - 10:55 pmKEF-SAT
27h 30m2 stops
$854Lufthansa
Find Deal
Sun, Sep 21 - Mon, Oct 6

Air Canada flights from San Antonio to Reykjavik Keflavik Intl Airport

Our best Air Canada deals on San Antonio to Reykjavik Keflavik Intl Airport flight tickets
Air Canada
Sep 3
SAT12:57 pmSan Antonio
14h 18m
2 stops
KEF8:15 amReykjavik Keflavik Intl
Sep 10
KEF9:30 amReykjavik Keflavik Intl
35h 48m
2 stops
SAT4:18 pmSan Antonio
$572
Find similar
Air Canada
Sep 4
SAT5:30 amSan Antonio
21h 40m
2 stops
KEF8:10 amReykjavik Keflavik Intl
Sep 15
KEF9:50 amReykjavik Keflavik Intl
18h 08m
2 stops
SAT10:58 pmSan Antonio
$647
Find similar
Air Canada
Sep 4
SAT1:25 pmSan Antonio
13h 45m
2 stops
KEF8:10 amReykjavik Keflavik Intl
Sep 15
KEF9:50 amReykjavik Keflavik Intl
18h 08m
2 stops
SAT10:58 pmSan Antonio
$650
Find similar

United Airlines flights from San Antonio to Reykjavik Keflavik Intl Airport

Our best United Airlines deals on San Antonio to Reykjavik Keflavik Intl Airport flight tickets
United Airlines
Aug 31
SAT11:45 amSan Antonio
14h 15m
2 stops
KEF7:00 amReykjavik Keflavik Intl
Sep 10
KEF9:30 amReykjavik Keflavik Intl
35h 48m
2 stops
SAT4:18 pmSan Antonio
$557
Find similar
United Airlines
Sep 3
SAT1:20 pmSan Antonio
12h 40m
1 stop
KEF7:00 amReykjavik Keflavik Intl
Sep 10
KEF9:30 amReykjavik Keflavik Intl
35h 48m
2 stops
SAT4:18 pmSan Antonio
$565
Find similar
United Airlines
Sep 3
SAT1:20 pmSan Antonio
12h 40m
1 stop
KEF7:00 amReykjavik Keflavik Intl
Sep 10
KEF9:30 amReykjavik Keflavik Intl
42h 28m
2 stops
SAT10:58 pmSan Antonio
$566
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Reykjavik Keflavik Intl Airport 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, momondo users made 832,500 searches. Data last updated August 6, 2025.
Use the filters below to find and compare flights from San Antonio to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sun 9/21

11:35 am-9:30 am

1 stop16h 55m

Reykjavik Keflavik Intl

Tue 10/7

11:25 am-10:42 pm

2 stops16h 17m

$554

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sun 8/31

11:45 am-7:00 am

2 stops14h 15m

Reykjavik Keflavik Intl

Wed 9/10

9:30 am-4:18 pm

2 stops35h 48m

$557

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sun 9/21

4:05 pm-9:30 am

2 stops36h 25m

Reykjavik Keflavik Intl

Tue 10/7

8:45 am-5:16 pm

2 stops13h 31m

$562

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Wed 9/3

12:57 pm-8:15 am

2 stops14h 18m

Reykjavik Keflavik Intl

Wed 9/10

9:30 am-4:18 pm

2 stops35h 48m

$572

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sun 8/31

4:31 pm-9:30 am

1 stop11h 59m

Reykjavik Keflavik Intl

Wed 9/10

11:25 am-11:57 pm

2 stops17h 32m

$580

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sun 9/21

11:26 am-6:20 am

1 stop13h 54m

Reykjavik Keflavik Intl

Tue 10/7

8:45 am-10:42 pm

1 stop18h 57m

$606

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Thu 9/4

5:30 am-8:10 am

2 stops21h 40m

Reykjavik Keflavik Intl

Mon 9/15

9:50 am-10:58 pm

2 stops18h 08m

$647

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Wed 9/10

12:00 pm-12:10 am

2 stops31h 10m

Reykjavik Keflavik Intl

Fri 9/19

12:25 am-8:33 pm

2 stops25h 08m

$755

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sat 10/11

5:14 am-6:20 am

2 stops20h 06m

Reykjavik Keflavik Intl

Mon 10/20

8:45 am-11:07 pm

2 stops19h 22m

$815

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sun 9/21

5:15 pm-11:35 pm

2 stops25h 20m

Reykjavik Keflavik Intl

Mon 10/6

12:25 am-10:55 pm

2 stops27h 30m

$854

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Reykjavik from

How to get the cheapest flight ticket from San Antonio to Reykjavik Keflavik Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Antonio and Reykjavik Keflavik Intl Airport?

What is the cheapest day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest day to depart from San Antonio to Reykjavik Keflavik Intl Airport is on a Tuesday when prices can be found for as low as $761. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Thursday, with ticket prices averaging around $902.

What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest time of day to fly to Reykjavik Keflavik Intl Airport is in the afternoon when flights can be purchased for as low as $791. Flights at noon are often more expensive with an average ticket price of $868.

When to book flights from San Antonio to Reykjavik Keflavik Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Reykjavik Keflavik Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Reykjavik Keflavik Intl Airport (SAT to KEF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Reykjavik Keflavik Intl Airport

Best Price Found

$407

Fastest flight time

9h 45m

Direct flights

None
The best one-way flight to Reykjavik Keflavik Intl Airport from San Antonio in the past 72 hours is $407. The best round-trip flight deal from San Antonio to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $554.
The fastest flight from San Antonio to Reykjavik Keflavik Intl Airport takes 9h 45m
There are no direct flights from San Antonio to Reykjavik Keflavik Intl Airport. Popular non-direct route for this connection is San Antonio Airport - Reykjavik Keflavik Intl Airport.
Search flight deals

  • How far is San Antonio to Reykjavik Keflavik Intl by plane?

    There are 3982.6 mi between San Antonio and Reykjavik Keflavik Intl. By plane, this route typically takes 9h 45m.

  • When did momondo last update prices for flights from San Antonio Airport to Reykjavik Keflavik Intl Airport?

    Prices for flights from San Antonio Airport to Reykjavik Keflavik Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Antonio Airport to Reykjavik Keflavik Intl Airport?

  • How old do you have to be to fly from San Antonio Airport to Reykjavik Keflavik Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The travel and health documents you'll need for your trip to Reykjavik Keflavik Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Reykjavik Keflavik Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Antonio to Reykjavik Keflavik Intl Airport?

Best airlines flying from San Antonio to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from San Antonio to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $474Free CancellationRating
7.8
1,381 reviews
Search KLM flights
United AirlinesPriceFrom $636Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
DeltaPriceFrom $732Free CancellationRating
8.0
7,985 reviews
Search Delta flights

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Hveragerdi
Selfoss
Hella
Borgarnes
Kopavogur
Grindavik

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Reykjavik?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Antonio to Reykjavik. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Antonio to Reykjavik with flexible booking policies on momondo?

All flight searches from San Antonio to Reykjavik on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Antonio to Reykjavik?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to Reykjavik.

I’m not ready to book a flight from San Antonio to Reykjavik right now. Can momondo alert me if prices change?

Price alerts on flights to Reykjavik from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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