Cheap flights from San Antonio to Iceland from $315

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 9/26. 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

 Logo
10:13 am - 6:05 amSAT-KEF
13h 52m1 stop
 Logo
4:55 pm - 12:17 amKEF-SAT
13h 22m1 stop
Mon, Dec 8 - Thu, Dec 18
Lufthansa Logo
2:22 pm - 2:20 pmSAT-KEF
17h 58m2 stops
Lufthansa Logo
3:20 pm - 8:53 pmKEF-SAT
35h 33m2 stops
$632Lufthansa
Find Deal
Mon, Dec 8 - Tue, Dec 16
 Logo
12:55 pm - 5:15 pmSAT-KEF
22h 20m2 stops
 Logo
10:00 am - 5:50 pmKEF-SAT
37h 50m2 stops
Fri, Nov 7 - Tue, Nov 11
 Logo
6:32 am - 6:15 amSAT-KEF
17h 43m1 stop
 Logo
5:00 pm - 5:55 pmKEF-SAT
30h 55m1 stop
Fri, Nov 7 - Tue, Nov 11
 Logo
8:37 pm - 6:15 amSAT-KEF
28h 38m2 stops
 Logo
5:00 pm - 6:18 pmKEF-SAT
30h 18m2 stops
Mon, Sep 29 - Wed, Oct 8
Finnair Logo
2:36 pm - 9:15 amSAT-KEF
36h 39m2 stops
Finnair Logo
10:00 am - 5:50 pmKEF-SAT
37h 50m2 stops
$679Finnair
Find Deal
Tue, Jan 6 - Tue, Jan 13
Virgin Atlantic Logo
11:35 am - 9:30 amSAT-KEF
16h 55m1 stop
Virgin Atlantic Logo
11:25 am - 5:16 pmKEF-SAT
34h 51m2 stops
$804Virgin Atlantic
Find Deal
Sat, Sep 27 - Mon, Oct 13
Virgin Atlantic Logo
11:35 am - 9:30 amSAT-KEF
16h 55m1 stop
Virgin Atlantic Logo
11:25 am - 10:51 amKEF-SAT
28h 26m1 stop
$808Virgin Atlantic
Find Deal
Sat, Sep 27 - Mon, Oct 13
KLM Logo
11:35 am - 9:30 amSAT-KEF
16h 55m1 stop
KLM Logo
8:45 am - 3:56 pmKEF-SAT
12h 11m1 stop
$959KLM
Find Deal
Mon, Sep 29 - Wed, Oct 8
United Airlines Logo
1:45 pm - 7:00 amSAT-KEF
12h 15m1 stop
United Airlines Logo
11:00 am - 3:30 pmKEF-SAT
33h 30m1 stop
$1,051United Airlines
Find Deal
Sat, Sep 13 - Wed, Sep 17

United Airlines flights from San Antonio to Iceland

Our best United Airlines deals on San Antonio to Iceland flight tickets
United Airlines
Sep 3
SAT1:20 pmSan Antonio
12h 40m
1 stop
KEF7:00 amReykjavik Keflavik Intl
Sep 10
KEF9:30 amReykjavik Keflavik Intl
35h 48m
2 stops
SAT4:18 pmSan Antonio
United Airlines
Sep 3
SAT12:00 pmSan Antonio
14h 00m
2 stops
KEF7:00 amReykjavik Keflavik Intl
Sep 10
KEF9:30 amReykjavik Keflavik Intl
31h 31m
2 stops
SAT12:01 pmSan Antonio
United Airlines
Sep 13
SAT1:45 pmSan Antonio
12h 15m
1 stop
KEF7:00 amReykjavik Keflavik Intl
Sep 17
KEF11:00 amReykjavik Keflavik Intl
33h 30m
1 stop
SAT3:30 pmSan Antonio

Lufthansa flights from San Antonio to Iceland

Our best Lufthansa deals on San Antonio to Iceland flight tickets
Lufthansa
Dec 8
SAT2:22 pmSan Antonio
17h 58m
2 stops
KEF2:20 pmReykjavik Keflavik Intl
Dec 16
KEF3:20 pmReykjavik Keflavik Intl
35h 33m
2 stops
SAT8:53 pmSan Antonio
Lufthansa
Sep 3
SAT11:45 amSan Antonio
20h 20m
2 stops
KEF1:05 pmReykjavik Keflavik Intl
Sep 9
KEF1:15 amReykjavik Keflavik Intl
26h 43m
2 stops
SAT10:58 pmSan Antonio
Lufthansa
Sep 9
SAT1:20 pmSan Antonio
12h 40m
1 stop
KEF7:00 amReykjavik Keflavik Intl
Sep 11
KEF1:15 amReykjavik Keflavik Intl
26h 43m
2 stops
SAT10:58 pmSan Antonio

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 August 28, 2025.
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

Mon 12/8

10:13 am-6:05 am

1 stop13h 52m

Reykjavik Keflavik Intl

Thu 12/18

4:55 pm-12:17 am

1 stop13h 22m

$594

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Mon 12/8

2:22 pm-2:20 pm

2 stops17h 58m

Reykjavik Keflavik Intl

Tue 12/16

3:20 pm-8:53 pm

2 stops35h 33m

$632

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Fri 11/7

12:55 pm-5:15 pm

2 stops22h 20m

Reykjavik Keflavik Intl

Tue 11/11

10:00 am-5:50 pm

2 stops37h 50m

$654

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Fri 11/7

6:32 am-6:15 am

1 stop17h 43m

Reykjavik Keflavik Intl

Tue 11/11

5:00 pm-5:55 pm

1 stop30h 55m

$668

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Mon 9/29

8:37 pm-6:15 am

2 stops28h 38m

Reykjavik Keflavik Intl

Wed 10/8

5:00 pm-6:18 pm

2 stops30h 18m

$669

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Tue 1/6

2:36 pm-9:15 am

2 stops36h 39m

Reykjavik Keflavik Intl

Tue 1/13

10:00 am-5:50 pm

2 stops37h 50m

$679

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sat 9/27

11:35 am-9:30 am

1 stop16h 55m

Reykjavik Keflavik Intl

Mon 10/13

11:25 am-5:16 pm

2 stops34h 51m

$804

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sat 9/27

11:35 am-9:30 am

1 stop16h 55m

Reykjavik Keflavik Intl

Mon 10/13

11:25 am-10:51 am

1 stop28h 26m

$808

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Mon 9/29

11:35 am-9:30 am

1 stop16h 55m

Reykjavik Keflavik Intl

Wed 10/8

8:45 am-3:56 pm

1 stop12h 11m

$959

San AntonioReykjavik

SAT - KEF

SATKEF

San Antonio

Sat 9/13

1:45 pm-7:00 am

1 stop12h 15m

Reykjavik Keflavik Intl

Wed 9/17

11:00 am-3:30 pm

1 stop33h 30m

$1,051

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 day to depart on your flight to Iceland?

The cheapest day to depart from San Antonio to Iceland is on a Tuesday when prices can be found for as low as $773. Flights from San Antonio to Iceland on a Thursday will generally be more expensive and average around $1,060. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Iceland?

According to our data, the cheapest time of day to fly to Iceland is in the afternoon. momondo users have found flights departing from San Antonio to Iceland in the afternoon for as low as $818. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $1,071. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights

None
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
KLMPriceFrom $474Free CancellationRating
7.8
1,382 reviews
Search KLM flights
United AirlinesPriceFrom $636Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
DeltaPriceFrom $732Free CancellationRating
7.9
7,977 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
Tue 9/2
Tue 9/9

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