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Cheap flights from San Antonio to Reykjavik from $544

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Reykjavik departing on 4/9. 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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0 bags

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Find the cheapest flights from San Antonio to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:00 pm - 9:30 am
SAT
-
KEF
15h 30m1 stop
Delta Logo
11:25 am - 10:27 pm
KEF
-
SAT
16h 02m2 stops
$544Delta
Thu, Apr 9 - Fri, Apr 17
Lufthansa Logo
1:25 pm - 11:30 pm
SAT
-
KEF
29h 05m2 stops
Lufthansa Logo
12:20 am - 8:42 pm
KEF
-
SAT
25h 22m2 stops
$572Lufthansa
Thu, Apr 9 - Mon, Apr 13
Delta Logo
1:00 pm - 9:30 am
SAT
-
KEF
15h 30m1 stop
Delta Logo
11:25 am - 12:34 am
KEF
-
SAT
18h 09m2 stops
$594Delta
Thu, Apr 9 - Sat, Apr 18
Delta Logo
1:00 pm - 9:30 am
SAT
-
KEF
15h 30m1 stop
Delta Logo
11:25 am - 12:17 pm
KEF
-
SAT
29h 52m1 stop
$597Delta
Thu, Apr 9 - Sat, Apr 18
Delta Logo
6:17 pm - 9:30 am
SAT
-
KEF
34h 13m2 stops
Delta Logo
11:25 am - 12:34 am
KEF
-
SAT
18h 09m2 stops
$606Delta
Fri, Apr 10 - Sat, Apr 18
KLM Logo
1:37 pm - 9:30 am
SAT
-
KEF
14h 53m2 stops
KLM Logo
11:25 am - 12:34 am
KEF
-
SAT
18h 09m2 stops
$694KLM
Fri, Apr 10 - Fri, Apr 17
Delta Logo
1:00 pm - 9:30 am
SAT
-
KEF
15h 30m1 stop
Delta Logo
11:25 am - 12:17 pm
KEF
-
SAT
29h 52m1 stop
$695Delta
Fri, Apr 10 - Thu, Apr 16
Lufthansa Logo
12:15 pm - 2:20 pm
SAT
-
KEF
20h 05m2 stops
Lufthansa Logo
3:20 pm - 8:56 pm
KEF
-
SAT
35h 36m2 stops
$737Lufthansa
Thu, Jan 29 - Tue, Feb 3
Delta Logo
1:00 pm - 9:30 am
SAT
-
KEF
15h 30m1 stop
Delta Logo
11:25 am - 12:17 pm
KEF
-
SAT
29h 52m1 stop
$747Delta
Fri, Apr 10 - Sat, Apr 18
Air Europa Logo
1:00 pm - 9:30 am
SAT
-
KEF
15h 30m1 stop
Air Europa Logo
11:25 am - 12:17 pm
KEF
-
SAT
29h 52m1 stop
$767Air Europa
Fri, Apr 10 - Mon, Apr 13

Virgin Atlantic flights from San Antonio to Reykjavik Keflavik Intl Airport

Our best Virgin Atlantic deals on San Antonio to Reykjavik Keflavik Intl Airport flight tickets
Virgin Atlantic
Apr 7
SAT7:00 amSan Antonio
21h 30m
2 stops
KEF9:30 amReykjavik Keflavik Intl
Apr 17
KEF11:25 amReykjavik Keflavik Intl
16h 43m
2 stops
SAT11:08 pmSan Antonio
$644
Virgin Atlantic
Apr 10
SAT12:24 pmSan Antonio
16h 06m
2 stops
KEF9:30 amReykjavik Keflavik Intl
Apr 13
KEF11:25 amReykjavik Keflavik Intl
16h 02m
2 stops
SAT10:27 pmSan Antonio
$893

Air Europa flights from San Antonio to Reykjavik Keflavik Intl Airport

Our best Air Europa deals on San Antonio to Reykjavik Keflavik Intl Airport flight tickets
Air Europa
Apr 7
SAT10:50 amSan Antonio
17h 40m
2 stops
KEF9:30 amReykjavik Keflavik Intl
Apr 17
KEF11:25 amReykjavik Keflavik Intl
16h 02m
2 stops
SAT10:27 pmSan Antonio
$744
Air Europa
Apr 10
SAT1:00 pmSan Antonio
15h 30m
1 stop
KEF9:30 amReykjavik Keflavik Intl
Apr 13
KEF11:25 amReykjavik Keflavik Intl
29h 52m
1 stop
SAT12:17 pmSan Antonio
$767

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 January 8, 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

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Thu 4/9

1:00 pm-9:30 am

1 stop15h 30m

Reykjavik Keflavik Intl

Fri 4/17

11:25 am-10:27 pm

2 stops16h 02m

$544

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Thu 4/9

1:25 pm-11:30 pm

2 stops29h 05m

Reykjavik Keflavik Intl

Mon 4/13

12:20 am-8:42 pm

2 stops25h 22m

$572

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Thu 4/9

1:00 pm-9:30 am

1 stop15h 30m

Reykjavik Keflavik Intl

Sat 4/18

11:25 am-12:34 am

2 stops18h 09m

$594

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Thu 4/9

1:00 pm-9:30 am

1 stop15h 30m

Reykjavik Keflavik Intl

Sat 4/18

11:25 am-12:17 pm

1 stop29h 52m

$597

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Fri 4/10

6:17 pm-9:30 am

2 stops34h 13m

Reykjavik Keflavik Intl

Sat 4/18

11:25 am-12:34 am

2 stops18h 09m

$606

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Fri 4/10

1:37 pm-9:30 am

2 stops14h 53m

Reykjavik Keflavik Intl

Fri 4/17

11:25 am-12:34 am

2 stops18h 09m

$694

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Fri 4/10

1:00 pm-9:30 am

1 stop15h 30m

Reykjavik Keflavik Intl

Thu 4/16

11:25 am-12:17 pm

1 stop29h 52m

$695

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Thu 1/29

12:15 pm-2:20 pm

2 stops20h 05m

Reykjavik Keflavik Intl

Tue 2/3

3:20 pm-8:56 pm

2 stops35h 36m

$737

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Fri 4/10

1:00 pm-9:30 am

1 stop15h 30m

Reykjavik Keflavik Intl

Sat 4/18

11:25 am-12:17 pm

1 stop29h 52m

$747

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Fri 4/10

1:00 pm-9:30 am

1 stop15h 30m

Reykjavik Keflavik Intl

Mon 4/13

11:25 am-12:17 pm

1 stop29h 52m

$767

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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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 is the most popular carrier operating from San Antonio to Reykjavik Keflavik Intl

What airlines fly to Reykjavik Keflavik Intl Airport?

Delta, United Airlines and Virgin Atlantic are the top three most popular airlines that fly to Reykjavik Keflavik Intl Airport from San Antonio according to our data. Delta is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Reykjavik Keflavik Intl Airport. Keep in mind that there are 3 different airlines that fly to Reykjavik Keflavik Intl Airport on a routine basis, so you have a few additional options to choose from.

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 30m

Direct flights

None
The fastest flight from San Antonio to Reykjavik Keflavik Intl Airport takes 10h 30m
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

  • 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 30m.

  • 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
United AirlinesPriceFrom $636Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
DeltaPriceFrom $746Free CancellationRating
7.9
8,025 reviews
Search Delta flights

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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