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Cheap flights from San Antonio to Iceland from $779

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 10/5. 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
1 adult, Economy, 0 bags

Find the cheapest flights from San Antonio to Iceland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:17 pm - 7:55 am
SAT
-
KEF
34h 38m
3 stops
United Airlines Logo
10:00 am - 12:11 pm
KEF
-
SAT
31h 11m
2 stops
$779United Airlines
Mon, Oct 5 - Tue, Oct 13
Air France Logo
1:20 pm - 9:30 am
SAT
-
KEF
15h 10m
1 stop
Air France Logo
11:25 am - 11:20 pm
KEF
-
SAT
16h 55m
2 stops
$796Air France
Mon, Oct 5 - Tue, Oct 13
Delta Logo
1:20 pm - 9:30 am
SAT
-
KEF
15h 10m
1 stop
Delta Logo
11:25 am - 10:56 am
KEF
-
SAT
28h 31m
1 stop
$797Delta
Mon, Oct 5 - Tue, Oct 13
United Airlines Logo
6:35 am - 8:50 am
SAT
-
KEF
21h 15m
1 stop
United Airlines Logo
9:15 am - 4:52 pm
KEF
-
SAT
36h 37m
2 stops
$831United Airlines
Fri, Oct 16 - Fri, Oct 23
United Airlines Logo
5:30 am - 8:50 am
SAT
-
KEF
22h 20m
2 stops
United Airlines Logo
9:15 am - 4:30 pm
KEF
-
SAT
36h 15m
2 stops
$836United Airlines
Fri, Oct 16 - Fri, Oct 23
Delta Logo
12:10 pm - 9:30 am
SAT
-
KEF
16h 20m
1 stop
Delta Logo
11:25 am - 10:56 am
KEF
-
SAT
28h 31m
1 stop
$857Delta
Fri, Oct 16 - Fri, Oct 23
United Airlines Logo
6:35 am - 7:55 am
SAT
-
KEF
20h 20m
2 stops
United Airlines Logo
9:15 am - 8:42 pm
KEF
-
SAT
40h 27m
2 stops
$865United Airlines
Thu, Oct 1 - Wed, Oct 7
Multiple Airlines Logo
7:49 pm - 6:00 am
SAT
-
KEF
29h 11m
1 stop
Multiple Airlines Logo
10:45 am - 6:54 pm
KEF
-
SAT
13h 09m
1 stop
$868Multiple Airlines
Sat, Aug 15 - Fri, Aug 21
Multiple Airlines Logo
7:00 am - 8:45 am
SAT
-
KEF
20h 45m
2 stops
Multiple Airlines Logo
9:15 am - 9:31 pm
KEF
-
SAT
17h 16m
3 stops
$871Multiple Airlines
Fri, Oct 16 - Fri, Oct 23
Delta Logo
1:10 pm - 9:30 am
SAT
-
KEF
15h 20m
1 stop
Delta Logo
11:25 am - 12:28 am
KEF
-
SAT
18h 03m
2 stops
$886Delta
Thu, Oct 1 - Wed, Oct 7

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United Airlines flights from San Antonio to Iceland

Our best United Airlines deals on San Antonio to Iceland flight tickets
United Airlines
Oct 5
SAT4:17 pmSan Antonio
34h 38m
3 stops
KEF7:55 amReykjavik Keflavik Intl
Oct 13
KEF10:00 amReykjavik Keflavik Intl
31h 11m
2 stops
SAT12:11 pmSan Antonio
$779
United Airlines
Oct 16
SAT6:35 amSan Antonio
21h 15m
1 stop
KEF8:50 amReykjavik Keflavik Intl
Oct 23
KEF9:15 amReykjavik Keflavik Intl
36h 37m
2 stops
SAT4:52 pmSan Antonio
$831
United Airlines
Oct 16
SAT5:30 amSan Antonio
22h 20m
2 stops
KEF8:50 amReykjavik Keflavik Intl
Oct 23
KEF9:15 amReykjavik Keflavik Intl
36h 15m
2 stops
SAT4:30 pmSan Antonio
$836

Air Canada flights from San Antonio to Iceland

Our best Air Canada deals on San Antonio to Iceland flight tickets
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
Air Canada
Aug 16
SAT7:00 amSan Antonio
19h 55m
2 stops
KEF7:55 amReykjavik Keflavik Intl
Aug 29
KEF9:15 amReykjavik Keflavik Intl
42h 36m
2 stops
SAT10:51 pmSan Antonio
$977

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 June 20, 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

Mon 10/5

4:17 pm-7:55 am

3 stops34h 38m

Reykjavik Keflavik Intl

Tue 10/13

10:00 am-12:11 pm

2 stops31h 11m

$779
Quickest round-trip

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Mon 10/5

1:20 pm-9:30 am

1 stop15h 10m

Reykjavik Keflavik Intl

Tue 10/13

11:25 am-11:20 pm

2 stops16h 55m

$796

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Mon 10/5

1:20 pm-9:30 am

1 stop15h 10m

Reykjavik Keflavik Intl

Tue 10/13

11:25 am-10:56 am

1 stop28h 31m

$797

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Fri 10/16

6:35 am-8:50 am

1 stop21h 15m

Reykjavik Keflavik Intl

Fri 10/23

9:15 am-4:52 pm

2 stops36h 37m

$831

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Fri 10/16

5:30 am-8:50 am

2 stops22h 20m

Reykjavik Keflavik Intl

Fri 10/23

9:15 am-4:30 pm

2 stops36h 15m

$836

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Fri 10/16

12:10 pm-9:30 am

1 stop16h 20m

Reykjavik Keflavik Intl

Fri 10/23

11:25 am-10:56 am

1 stop28h 31m

$857

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Thu 10/1

6:35 am-7:55 am

2 stops20h 20m

Reykjavik Keflavik Intl

Wed 10/7

9:15 am-8:42 pm

2 stops40h 27m

$865

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sat 8/15

7:49 pm-6:00 am

1 stop29h 11m

Reykjavik Keflavik Intl

Fri 8/21

10:45 am-6:54 pm

1 stop13h 09m

$868

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Fri 10/16

7:00 am-8:45 am

2 stops20h 45m

Reykjavik Keflavik Intl

Fri 10/23

9:15 am-9:31 pm

3 stops17h 16m

$871

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Thu 10/1

1:10 pm-9:30 am

1 stop15h 20m

Reykjavik Keflavik Intl

Wed 10/7

11:25 am-12:28 am

2 stops18h 03m

$886

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

14h 10m

Direct flights

None
The fastest flight from San Antonio to Iceland takes 14h 10m
There are no direct flights from San Antonio to Iceland. There are no popular flight routes from San Antonio to Iceland.
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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 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.

Frequently asked questions about flying from San Antonio to Iceland

  • How do I get Price Alerts for flights from San Antonio to Iceland?

    Price Alerts will notify you by email when the price for flights to Iceland from San Antonio decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from San Antonio to Iceland with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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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