Cheap flights from San Antonio to Iceland from $400

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 7/25. 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.
Virgin Atlantic Logo
1:20 pm - 9:30 am
SAT
-
KEF
15h 10m
1 stop
Virgin Atlantic Logo
9:30 am - 9:22 pm
KEF
-
SAT
16h 52m
1 stop
$456Virgin Atlantic
Sat, Sep 26 - Mon, Oct 5
Virgin Atlantic Logo
2:00 pm - 9:30 am
SAT
-
KEF
14h 30m
2 stops
Virgin Atlantic Logo
9:30 am - 12:10 am
KEF
-
SAT
19h 40m
2 stops
$458Virgin Atlantic
Sat, Sep 26 - Mon, Oct 5
Virgin Atlantic Logo
2:22 pm - 7:00 am
SAT
-
KEF
11h 38m
1 stop
Virgin Atlantic Logo
9:30 am - 9:29 pm
KEF
-
SAT
16h 59m
1 stop
$542Virgin Atlantic
Sat, Aug 22 - Mon, Aug 31
Virgin Atlantic Logo
7:55 am - 7:40 am
SAT
-
KEF
18h 45m
2 stops
Virgin Atlantic Logo
9:30 am - 9:04 pm
KEF
-
SAT
16h 34m
2 stops
$544Virgin Atlantic
Sat, Aug 22 - Mon, Aug 31
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
$835United Airlines
Fri, Oct 16 - Fri, Oct 23
Multiple Airlines Logo
8:26 pm - 6:00 am
SAT
-
KEF
28h 34m
1 stop
Multiple Airlines Logo
10:45 am - 7:31 pm
KEF
-
SAT
13h 46m
1 stop
$836Multiple Airlines
Sat, Aug 22 - Mon, Aug 31
Air Canada Logo
7:38 pm - 8:45 am
SAT
-
KEF
32h 07m
2 stops
Air Canada Logo
10:00 am - 7:20 pm
KEF
-
SAT
38h 20m
2 stops
$843Air Canada
Sat, Sep 26 - Mon, Oct 5
United Airlines Logo
5:58 pm - 8:45 am
SAT
-
KEF
33h 47m
3 stops
United Airlines Logo
10:00 am - 3:53 pm
KEF
-
SAT
34h 53m
2 stops
$844United Airlines
Sat, Sep 26 - Mon, Oct 5
Air Canada Logo
7:38 pm - 8:45 am
SAT
-
KEF
32h 07m
2 stops
Air Canada Logo
10:00 am - 9:13 pm
KEF
-
SAT
16h 13m
1 stop
$852Air Canada
Sat, Sep 26 - Mon, Oct 5

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Air Canada flights from San Antonio to Iceland

Our best Air Canada deals on San Antonio to Iceland flight tickets
Air Canada
Sep 26
SAT7:38 pmSan Antonio
32h 07m
2 stops
KEF8:45 amReykjavik Keflavik Intl
Oct 5
KEF10:00 amReykjavik Keflavik Intl
38h 20m
2 stops
SAT7:20 pmSan Antonio
$843
Air Canada
Sep 26
SAT7:38 pmSan Antonio
32h 07m
2 stops
KEF8:45 amReykjavik Keflavik Intl
Oct 5
KEF10:00 amReykjavik Keflavik Intl
16h 13m
1 stop
SAT9:13 pmSan Antonio
$852
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
$893

United Airlines flights from San Antonio to Iceland

Our best United Airlines deals on San Antonio to Iceland flight tickets
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
$835
United Airlines
Oct 1
SAT7:00 amSan Antonio
19h 55m
2 stops
KEF7:55 amReykjavik Keflavik Intl
Oct 7
KEF9:15 amReykjavik Keflavik Intl
40h 27m
2 stops
SAT8:42 pmSan Antonio
$864

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 30, 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

Sat 9/26

1:20 pm-9:30 am

1 stop15h 10m

Reykjavik Keflavik Intl

Mon 10/5

9:30 am-9:22 pm

1 stop16h 52m

$456

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sat 9/26

2:00 pm-9:30 am

2 stops14h 30m

Reykjavik Keflavik Intl

Mon 10/5

9:30 am-12:10 am

2 stops19h 40m

$458
Quickest round-trip

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sat 8/22

2:22 pm-7:00 am

1 stop11h 38m

Reykjavik Keflavik Intl

Mon 8/31

9:30 am-9:29 pm

1 stop16h 59m

$542

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sat 8/22

7:55 am-7:40 am

2 stops18h 45m

Reykjavik Keflavik Intl

Mon 8/31

9:30 am-9:04 pm

2 stops16h 34m

$544

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

$835

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sat 8/22

8:26 pm-6:00 am

1 stop28h 34m

Reykjavik Keflavik Intl

Mon 8/31

10:45 am-7:31 pm

1 stop13h 46m

$836

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sat 9/26

7:38 pm-8:45 am

2 stops32h 07m

Reykjavik Keflavik Intl

Mon 10/5

10:00 am-7:20 pm

2 stops38h 20m

$843

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sat 9/26

5:58 pm-8:45 am

3 stops33h 47m

Reykjavik Keflavik Intl

Mon 10/5

10:00 am-3:53 pm

2 stops34h 53m

$844

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sat 9/26

7:38 pm-8:45 am

2 stops32h 07m

Reykjavik Keflavik Intl

Mon 10/5

10:00 am-9:13 pm

1 stop16h 13m

$852

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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?

WestJet, Air France, 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 20m

Direct flights

None
The fastest flight from San Antonio to Iceland takes 10h 20m
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 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.

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
Thu 7/30
Thu 8/6

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