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Cheap flights from San Antonio to Reykjavik from $528

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 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from San Antonio to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:26 pm - 6:00 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
28h 34m1 stop Denver Intl
Multiple Airlines Logo
10:45 am - 7:31 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
13h 46m1 stop Denver Intl
$775Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
9:55 am - 6:40 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
15h 45m1 stop Raleigh-Durham
Multiple Airlines Logo
4:45 pm - 8:45 amKEF  Reykjavik Keflavik Intl-SAT San Antonio
21h 00m1 stop Raleigh-Durham
$802Multiple Airlines
Sun, Sep 6 - Sat, Sep 12
Multiple Airlines Logo
9:55 am - 6:40 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
15h 45m1 stop Raleigh-Durham
Multiple Airlines Logo
4:45 pm - 11:58 amKEF  Reykjavik Keflavik Intl-SAT San Antonio
24h 13m2 stops Raleigh-Durham Memphis
$809Multiple Airlines
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
8:26 pm - 6:00 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
28h 34m1 stop Denver Intl
Multiple Airlines Logo
10:45 am - 7:31 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
13h 46m1 stop Denver Intl
$822Multiple Airlines
Tue, Aug 25 - Wed, Sep 2
Multiple Airlines Logo
10:24 pm - 6:00 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
26h 36m2 stops Las Vegas Harry Reid Intl Denver Intl
Multiple Airlines Logo
10:45 am - 7:31 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
13h 46m1 stop Denver Intl
$823Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
United Airlines Logo
5:30 pm - 8:50 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
10h 20m1 stop Chicago O'Hare Intl
United Airlines Logo
9:15 am - 4:30 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
36h 15m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$831United Airlines
Fri, Oct 16 - Fri, Oct 23
United Airlines Logo
5:30 pm - 8:50 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
10h 20m1 stop Chicago O'Hare Intl
United Airlines Logo
9:15 am - 4:30 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
36h 15m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$832United Airlines
Fri, Oct 16 - Fri, Oct 23
United Airlines Logo
1:17 pm - 8:50 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
14h 33m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
9:15 am - 12:06 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
31h 51m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$836United Airlines
Fri, Oct 16 - Fri, Oct 23
United Airlines Logo
5:30 am - 7:55 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
21h 25m2 stops Houston George Bush Intcntl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
9:15 am - 8:42 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
40h 27m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl
$865United Airlines
Thu, Oct 1 - Wed, Oct 7
United Airlines Logo
5:30 pm - 8:50 amSAT  San Antonio-KEF Reykjavik Keflavik Intl
10h 20m1 stop Chicago O'Hare Intl
United Airlines Logo
10:00 am - 12:11 pmKEF  Reykjavik Keflavik Intl-SAT San Antonio
31h 11m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$866United Airlines
Fri, Oct 16 - Tue, Oct 20

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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
Oct 1
SAT5:30 amSan Antonio
21h 25m
2 stops
KEF7:55 amReykjavik Keflavik Intl
Oct 7
KEF9:15 amReykjavik Keflavik Intl
16h 58m
2 stops
SAT9:13 pmSan Antonio
$886
Air Canada
Oct 1
SAT9:48 amSan Antonio
17h 07m
3 stops
KEF7:55 amReykjavik Keflavik Intl
Oct 7
KEF9:15 amReykjavik Keflavik Intl
16h 58m
2 stops
SAT9:13 pmSan Antonio
$894
Air Canada
Oct 1
SAT9:48 amSan Antonio
17h 07m
3 stops
KEF7:55 amReykjavik Keflavik Intl
Oct 7
KEF9:15 amReykjavik Keflavik Intl
18h 35m
3 stops
SAT10:50 pmSan Antonio
$904

Scandinavian Airlines flights from San Antonio to Reykjavik Keflavik Intl Airport

Our best Scandinavian Airlines deals on San Antonio to Reykjavik Keflavik Intl Airport flight tickets
Scandinavian Airlines
Aug 17
SAT2:43 pmSan Antonio
20h 32m
2 stops
KEF4:15 pmReykjavik Keflavik Intl
Aug 21
KEF5:50 pmReykjavik Keflavik Intl
32h 14m
2 stops
SAT9:04 pmSan Antonio
$1,016
Scandinavian Airlines
Sep 24
SAT10:59 amSan Antonio
24h 46m
2 stops
KEF4:45 pmReykjavik Keflavik Intl
Sep 27
KEF5:35 pmReykjavik Keflavik Intl
32h 39m
2 stops
SAT9:14 pmSan Antonio
$1,089
Scandinavian Airlines
Aug 16
SAT12:05 pmSan Antonio
23h 10m
2 stops
KEF4:15 pmReykjavik Keflavik Intl
Aug 29
KEF5:10 pmReykjavik Keflavik Intl
36h 18m
2 stops
SAT12:28 amSan Antonio
$1,149

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 7, 2026.
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

Cheapest round-trip

San AntonioReykjavik

SAT San Antonio - KEF Reykjavik Keflavik Intl

SATKEF

San Antonio

Wed 8/26

8:26 pm-6:00 am

1 stop28h 34m

Reykjavik Keflavik Intl

Tue 9/1

10:45 am-7:31 pm

1 stop13h 46m

$775
Quickest round-trip

San AntonioReykjavik

SAT San Antonio - KEF Reykjavik Keflavik Intl

SATKEF

San Antonio

Sun 9/6

9:55 am-6:40 am

1 stop15h 45m

Reykjavik Keflavik Intl

Sat 9/12

4:45 pm-8:45 am

1 stop21h 00m

$802

San AntonioReykjavik

SAT San Antonio - KEF Reykjavik Keflavik Intl

SATKEF

San Antonio

Sun 9/6

9:55 am-6:40 am

1 stop15h 45m

Reykjavik Keflavik Intl

Sun 9/13

4:45 pm-11:58 am

2 stops24h 13m

$809

San AntonioReykjavik

SAT San Antonio - KEF Reykjavik Keflavik Intl

SATKEF

San Antonio

Tue 8/25

8:26 pm-6:00 am

1 stop28h 34m

Reykjavik Keflavik Intl

Wed 9/2

10:45 am-7:31 pm

1 stop13h 46m

$822

San AntonioReykjavik

SAT San Antonio - KEF Reykjavik Keflavik Intl

SATKEF

San Antonio

Wed 8/26

10:24 pm-6:00 am

2 stops26h 36m

Reykjavik Keflavik Intl

Tue 9/1

10:45 am-7:31 pm

1 stop13h 46m

$823

San AntonioReykjavik

SAT San Antonio - KEF Reykjavik Keflavik Intl

SATKEF

San Antonio

Fri 10/16

5:30 pm-8:50 am

1 stop10h 20m

Reykjavik Keflavik Intl

Fri 10/23

9:15 am-4:30 pm

2 stops36h 15m

$831

San AntonioReykjavik

SAT San Antonio - KEF Reykjavik Keflavik Intl

SATKEF

San Antonio

Fri 10/16

5:30 pm-8:50 am

1 stop10h 20m

Reykjavik Keflavik Intl

Fri 10/23

9:15 am-4:30 pm

2 stops36h 15m

$832

San AntonioReykjavik

SAT San Antonio - KEF Reykjavik Keflavik Intl

SATKEF

San Antonio

Fri 10/16

1:17 pm-8:50 am

2 stops14h 33m

Reykjavik Keflavik Intl

Fri 10/23

9:15 am-12:06 pm

2 stops31h 51m

$836

San AntonioReykjavik

SAT San Antonio - KEF Reykjavik Keflavik Intl

SATKEF

San Antonio

Thu 10/1

5:30 am-7:55 am

2 stops21h 25m

Reykjavik Keflavik Intl

Wed 10/7

9:15 am-8:42 pm

2 stops40h 27m

$865

San AntonioReykjavik

SAT San Antonio - KEF Reykjavik Keflavik Intl

SATKEF

San Antonio

Fri 10/16

5:30 pm-8:50 am

1 stop10h 20m

Reykjavik Keflavik Intl

Tue 10/20

10:00 am-12:11 pm

2 stops31h 11m

$866

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 cheapest airline that flies from San Antonio to Reykjavik Keflavik Intl?

United Airlines, WestJet, and Delta are the most popular carriers operating from San Antonio to Reykjavik Keflavik Intl

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

Fastest flight time

10h 20m

Direct flights

None
The fastest flight from San Antonio to Reykjavik Keflavik Intl Airport takes 10h 20m
There are no direct flights from San Antonio to Reykjavik Keflavik Intl Airport. There are no popular flight routes from San Antonio to Reykjavik Keflavik Intl Airport.
Search flight deals

Frequently asked questions about flying from San Antonio to Reykjavik Keflavik Intl Airport

  • 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 10h 20m.

  • 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 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.

Traveling to a place near Reykjavik?

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

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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