Cheap flights from San Antonio to Iceland from $509

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 Iceland departing on 5/5. 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.
Multiple Airlines Logo
5:00 pm - 9:30 am
SAT
-
KEF
35h 30m
2 stops
Multiple Airlines Logo
9:30 am - 9:28 pm
KEF
-
SAT
16h 58m
1 stop
$509Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
1:15 pm - 9:30 am
SAT
-
KEF
15h 15m
1 stop
Multiple Airlines Logo
8:50 am - 11:12 pm
KEF
-
SAT
19h 22m
1 stop
$633Multiple Airlines
Tue, May 5 - Tue, May 12
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
$710KLM
Tue, May 12 - Sun, May 17
Delta Logo
2:10 pm - 9:30 am
SAT
-
KEF
14h 20m
2 stops
Delta Logo
8:50 am - 12:14 am
KEF
-
SAT
20h 24m
2 stops
$714Delta
Tue, May 12 - Sun, May 17
KLM Logo
10:45 am - 7:40 am
SAT
-
KEF
15h 55m
2 stops
KLM Logo
8:50 am - 11:12 pm
KEF
-
SAT
19h 22m
1 stop
$715KLM
Tue, May 12 - Sun, May 17
Multiple Airlines Logo
6:45 am - 6:05 am
SAT
-
KEF
18h 20m
1 stop
Multiple Airlines Logo
4:50 pm - 12:19 am
KEF
-
SAT
12h 29m
1 stop
$782Multiple Airlines
Thu, Mar 26 - Sun, Apr 5
United Airlines Logo
7:00 am - 8:30 am
SAT
-
KEF
20h 30m
1 stop
United Airlines Logo
9:15 am - 4:30 pm
KEF
-
SAT
36h 15m
2 stops
$819United Airlines
Mon, Jul 6 - Fri, Jul 17
Air Canada Logo
5:30 am - 7:55 am
SAT
-
KEF
21h 25m
2 stops
Air Canada Logo
9:15 am - 11:37 pm
KEF
-
SAT
43h 22m
2 stops
$822Air Canada
Mon, Jul 6 - Fri, Jul 17
Delta Logo
12:10 pm - 9:30 am
SAT
-
KEF
16h 20m
1 stop
Delta Logo
8:50 am - 2:57 pm
KEF
-
SAT
11h 07m
1 stop
$839Delta
Sun, Jul 5 - Fri, Jul 17
United Airlines Logo
7:30 am - 8:50 am
SAT
-
KEF
20h 20m
1 stop
United Airlines Logo
9:15 am - 10:33 pm
KEF
-
SAT
18h 18m
2 stops
$842United Airlines
Sun, Jul 5 - Fri, Jul 17

Delta flights from San Antonio to Iceland

Our best Delta deals on San Antonio to Iceland flight tickets
Delta
May 12
SAT2:10 pmSan Antonio
14h 20m
2 stops
KEF9:30 amReykjavik Keflavik Intl
May 17
KEF8:50 amReykjavik Keflavik Intl
20h 24m
2 stops
SAT12:14 amSan Antonio
$714
Delta
Jul 5
SAT12:10 pmSan Antonio
16h 20m
1 stop
KEF9:30 amReykjavik Keflavik Intl
Jul 17
KEF8:50 amReykjavik Keflavik Intl
11h 07m
1 stop
SAT2:57 pmSan Antonio
$839
Delta
Jul 4
SAT12:10 pmSan Antonio
16h 20m
1 stop
KEF9:30 amReykjavik Keflavik Intl
Jul 17
KEF8:50 amReykjavik Keflavik Intl
11h 07m
1 stop
SAT2:57 pmSan Antonio
$890

Alaska Airlines flights from San Antonio to Iceland

Our best Alaska Airlines deals on San Antonio to Iceland flight tickets
Alaska Airlines
Jun 2
SAT7:00 amSan Antonio
18h 15m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Jun 9
KEF10:40 amReykjavik Keflavik Intl
23h 49m
1 stop
SAT5:29 amSan Antonio
$949
Alaska Airlines
May 28
SAT7:00 amSan Antonio
21h 25m
1 stop
KEF9:25 amReykjavik Keflavik Intl
Jun 4
KEF10:40 amReykjavik Keflavik Intl
23h 49m
1 stop
SAT5:29 amSan Antonio
$984
Alaska Airlines
Jul 8
SAT7:00 amSan Antonio
21h 00m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Jul 17
KEF12:45 pmReykjavik Keflavik Intl
21h 28m
1 stop
SAT5:13 amSan Antonio
$1,565

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 January 29, 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

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Tue 5/5

5:00 pm-9:30 am

2 stops35h 30m

Reykjavik Keflavik Intl

Tue 5/12

9:30 am-9:28 pm

1 stop16h 58m

$509

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Tue 5/5

1:15 pm-9:30 am

1 stop15h 15m

Reykjavik Keflavik Intl

Tue 5/12

8:50 am-11:12 pm

1 stop19h 22m

$633

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Tue 5/12

12:10 pm-9:30 am

1 stop16h 20m

Reykjavik Keflavik Intl

Sun 5/17

9:30 am-9:28 pm

1 stop16h 58m

$710

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Tue 5/12

2:10 pm-9:30 am

2 stops14h 20m

Reykjavik Keflavik Intl

Sun 5/17

8:50 am-12:14 am

2 stops20h 24m

$714

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Tue 5/12

10:45 am-7:40 am

2 stops15h 55m

Reykjavik Keflavik Intl

Sun 5/17

8:50 am-11:12 pm

1 stop19h 22m

$715

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Thu 3/26

6:45 am-6:05 am

1 stop18h 20m

Reykjavik Keflavik Intl

Sun 4/5

4:50 pm-12:19 am

1 stop12h 29m

$782

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Mon 7/6

7:00 am-8:30 am

1 stop20h 30m

Reykjavik Keflavik Intl

Fri 7/17

9:15 am-4:30 pm

2 stops36h 15m

$819

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Mon 7/6

5:30 am-7:55 am

2 stops21h 25m

Reykjavik Keflavik Intl

Fri 7/17

9:15 am-11:37 pm

2 stops43h 22m

$822

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sun 7/5

12:10 pm-9:30 am

1 stop16h 20m

Reykjavik Keflavik Intl

Fri 7/17

8:50 am-2:57 pm

1 stop11h 07m

$839

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sun 7/5

7:30 am-8:50 am

1 stop20h 20m

Reykjavik Keflavik Intl

Fri 7/17

9:15 am-10:33 pm

2 stops18h 18m

$842

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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?

United Airlines is the most popular carrier operating from San Antonio to Iceland

What airlines fly to Iceland?

Delta, United Airlines and Virgin Atlantic are the top three most popular airlines that fly to Iceland 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 Iceland. Keep in mind that there are 3 different airlines that fly to Iceland on a routine basis, so you have a few additional options to choose from.

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

12h 40m

Direct flights

None
The fastest flight from San Antonio to Iceland takes 12h 40m
There are no direct flights from San Antonio to Iceland. There are no popular flight routes 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
United AirlinesPriceFrom $636Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
DeltaPriceFrom $703Free CancellationRating
7.9
8,127 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
Sat 2/28
Sat 3/7

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Popular flights according to clicks in the last 7 days on momondo