Cheap flights from San Antonio to Iceland from $635

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 Iceland departing on 7/31. 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
0 bags

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Find the cheapest flights from San Antonio to Iceland

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
12:10 pm - 9:30 am
SAT
-
KEF
16h 20m
1 stop
KLM Logo
9:30 am - 9:28 pm
KEF
-
SAT
16h 58m
1 stop
$915KLM
Sun, Aug 16 - Sat, Aug 29
KLM Logo
12:10 pm - 9:30 am
SAT
-
KEF
16h 20m
1 stop
KLM Logo
8:45 am - 11:12 pm
KEF
-
SAT
19h 27m
1 stop
$916KLM
Sun, Aug 16 - Sat, Aug 29
KLM Logo
12:10 pm - 9:30 am
SAT
-
KEF
16h 20m
1 stop
KLM Logo
8:45 am - 8:10 pm
KEF
-
SAT
16h 25m
2 stops
$920KLM
Sun, Aug 16 - Sat, Aug 29
Multiple Airlines Logo
11:45 am - 9:10 am
SAT
-
KEF
16h 25m
1 stop
Multiple Airlines Logo
5:00 pm - 11:00 am
KEF
-
SAT
23h 00m
1 stop
$922Multiple Airlines
Thu, Oct 1 - Wed, Oct 7
United Airlines Logo
8:55 am - 7:55 am
SAT
-
KEF
18h 00m
2 stops
United Airlines Logo
9:15 am - 9:07 pm
KEF
-
SAT
40h 52m
2 stops
$924United Airlines
Tue, Oct 13 - Wed, Oct 21
Multiple Airlines Logo
11:45 am - 9:10 am
SAT
-
KEF
16h 25m
1 stop
Multiple Airlines Logo
5:00 pm - 1:35 pm
KEF
-
SAT
25h 35m
2 stops
$927Multiple Airlines
Thu, Oct 1 - Wed, Oct 7
United Airlines Logo
5:45 am - 8:45 am
SAT
-
KEF
46h 00m
3 stops
United Airlines Logo
9:15 am - 9:07 pm
KEF
-
SAT
40h 52m
2 stops
$929United Airlines
Tue, Oct 13 - Wed, Oct 21
Multiple Airlines Logo
6:08 am - 7:40 am
SAT
-
KEF
20h 32m
1 stop
Multiple Airlines Logo
9:30 am - 9:32 pm
KEF
-
SAT
17h 02m
1 stop
$934Multiple Airlines
Sun, May 17 - Tue, May 26
Multiple Airlines Logo
7:51 pm - 9:25 am
SAT
-
KEF
32h 34m
1 stop
Multiple Airlines Logo
10:45 am - 6:56 pm
KEF
-
SAT
13h 11m
1 stop
$935Multiple Airlines
Tue, Jun 23 - Thu, Jul 2
Multiple Airlines Logo
8:56 pm - 6:00 am
SAT
-
KEF
28h 04m
2 stops
Multiple Airlines Logo
10:45 am - 6:56 pm
KEF
-
SAT
13h 11m
1 stop
$938Multiple Airlines
Tue, Jul 7 - Thu, Jul 16

United Airlines flights from San Antonio to Iceland

Our best United Airlines deals on San Antonio to Iceland flight tickets
United Airlines
Oct 13
SAT8:55 amSan Antonio
18h 00m
2 stops
KEF7:55 amReykjavik Keflavik Intl
Oct 21
KEF9:15 amReykjavik Keflavik Intl
40h 52m
2 stops
SAT9:07 pmSan Antonio
$924
United Airlines
Oct 13
SAT5:45 amSan Antonio
46h 00m
3 stops
KEF8:45 amReykjavik Keflavik Intl
Oct 21
KEF9:15 amReykjavik Keflavik Intl
40h 52m
2 stops
SAT9:07 pmSan Antonio
$929
United Airlines
Aug 21
SAT12:07 pmSan Antonio
15h 23m
1 stop
KEF8:30 amReykjavik Keflavik Intl
Aug 28
KEF11:30 amReykjavik Keflavik Intl
17h 19m
2 stops
SAT11:49 pmSan Antonio
$1,004

Scandinavian Airlines flights from San Antonio to Iceland

Our best Scandinavian Airlines deals on San Antonio to Iceland flight tickets
Scandinavian Airlines
Oct 1
SAT12:15 pmSan Antonio
38h 25m
2 stops
KEF7:40 amReykjavik Keflavik Intl
Oct 7
KEF10:30 amReykjavik Keflavik Intl
42h 58m
2 stops
SAT12:28 amSan Antonio
$1,000
Scandinavian Airlines
Oct 1
SAT12:15 pmSan Antonio
23h 00m
2 stops
KEF4:15 pmReykjavik Keflavik Intl
Oct 7
KEF10:30 amReykjavik Keflavik Intl
42h 58m
2 stops
SAT12:28 amSan Antonio
$1,021

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Iceland 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 April 17, 2026.
Use the filters below to find and compare flights from San Antonio to Iceland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sun 8/16

12:10 pm-9:30 am

1 stop16h 20m

Reykjavik Keflavik Intl

Sat 8/29

9:30 am-9:28 pm

1 stop16h 58m

$915

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sun 8/16

12:10 pm-9:30 am

1 stop16h 20m

Reykjavik Keflavik Intl

Sat 8/29

8:45 am-11:12 pm

1 stop19h 27m

$916
Quickest round-trip

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sun 8/16

12:10 pm-9:30 am

1 stop16h 20m

Reykjavik Keflavik Intl

Sat 8/29

8:45 am-8:10 pm

2 stops16h 25m

$920

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Thu 10/1

11:45 am-9:10 am

1 stop16h 25m

Reykjavik Keflavik Intl

Wed 10/7

5:00 pm-11:00 am

1 stop23h 00m

$922

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Tue 10/13

8:55 am-7:55 am

2 stops18h 00m

Reykjavik Keflavik Intl

Wed 10/21

9:15 am-9:07 pm

2 stops40h 52m

$924

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Thu 10/1

11:45 am-9:10 am

1 stop16h 25m

Reykjavik Keflavik Intl

Wed 10/7

5:00 pm-1:35 pm

2 stops25h 35m

$927

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Tue 10/13

5:45 am-8:45 am

3 stops46h 00m

Reykjavik Keflavik Intl

Wed 10/21

9:15 am-9:07 pm

2 stops40h 52m

$929

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sun 5/17

6:08 am-7:40 am

1 stop20h 32m

Reykjavik Keflavik Intl

Tue 5/26

9:30 am-9:32 pm

1 stop17h 02m

$934

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Tue 6/23

7:51 pm-9:25 am

1 stop32h 34m

Reykjavik Keflavik Intl

Thu 7/2

10:45 am-6:56 pm

1 stop13h 11m

$935

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Tue 7/7

8:56 pm-6:00 am

2 stops28h 04m

Reykjavik Keflavik Intl

Thu 7/16

10:45 am-6:56 pm

1 stop13h 11m

$938

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Iceland from

How to get the cheapest flight ticket from San Antonio to Iceland

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 Iceland?

Delta and Air Canada are the most popular carriers operating from San Antonio to Iceland

Cheap San Antonio to Iceland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Iceland

Fastest flight time

10h 15m

Direct flights

None
The fastest flight from San Antonio to Iceland takes 10h 15m
There are no direct flights from San Antonio to Iceland. There are no popular flight routes from San Antonio to Iceland.

Frequently asked questions about flying from San Antonio to Iceland

  • When did momondo last update prices for flights from San Antonio Airport to Iceland?

    Prices for flights from San Antonio Airport to Iceland refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Iceland?

  • How old do you have to be to fly from San Antonio Airport to Iceland?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Iceland.

  • What documentation or ID do you need to fly to Iceland?

    The necessary travel and health documents for your Iceland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Antonio to Iceland

Compare and see reviews for airlines that fly from San Antonio to Iceland with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $628Free CancellationRating
7.9
8,408 reviews
Search Delta flights

Why use momondo?

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

It is quick and easy to find San Antonio to Iceland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Iceland that suits you.

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

Flights from San Antonio to Iceland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for San Antonio to Iceland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Iceland, momondo offers a useful price alert feature which will track prices for flights to Iceland from San Antonio and alert you when they change.

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1 adult
Sun 5/17
Sun 5/24

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