$463+ Cheap flights from San Antonio (SAT) to Keflavik Intl (KEF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — KEF
Jul 14 — Jul 211
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Keflavik Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Antonio to Keflavik Intl
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Cheapest flights from San Antonio to Keflavik IntlExplore the most affordable flight options available from San Antonio to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.
Explore the most affordable flight options available from San Antonio to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:16 pm
SAT
- KEF
1 stop12h 44m
Multiple Airlines
Mon 10/124:50 pm
KEF
- SAT
1 stop23h 31m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$885
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:25 am
SAT
- KEF
1 stop16h 15m
Multiple Airlines
Thu 10/14:45 pm
KEF
- SAT
2 stops24h 13m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$904
This Icelandair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:45 am
SAT
- KEF
1 stop13h 40m
Multiple Airlines
Fri 10/235:00 pm
KEF
- SAT
1 stop24h 15m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$921
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:25 am
SAT
- KEF
1 stop16h 15m
Multiple Airlines
Sat 9/194:45 pm
KEF
- SAT
1 stop21h 00m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$932
This Icelandair deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:50 am
SAT
- KEF
1 stop16h 20m
Multiple Airlines
Fri 9/185:00 pm
KEF
- SAT
1 stop28h 45m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$935
This Icelandair deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:45 am
SAT
- KEF
1 stop13h 40m
Multiple Airlines
Tue 10/67:50 pm
KEF
- SAT
1 stop20h 50m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$939
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/59:55 am
SAT
- KEF
1 stop15h 45m
Multiple Airlines
Thu 7/94:45 pm
KEF
- SAT
2 stops23h 05m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$940
This Icelandair deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:20 am
SAT
- KEF
1 stop20h 05m
Multiple Airlines
Mon 9/284:50 pm
KEF
- SAT
1 stop29h 35m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$946
Best flights from San Antonio to Keflavik IntlDiscover carefully curated flight deals from San Antonio to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 14, 2026.
Discover carefully curated flight deals from San Antonio to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 14, 2026.
This Icelandair deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:20 am
SAT
- KEF
1 stop20h 05m
Multiple Airlines
Mon 9/284:50 pm
KEF
- SAT
1 stop29h 35m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$946
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:07 am
SAT
- KEF
2 stops18h 23m
United Airlines
Thu 10/110:00 am
KEF
- SAT
2 stops31h 11m
United Airlines
Deal found 6/11![United Airlines logo]()
$955
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:10 pm
SAT
- KEF
2 stops14h 20m
Delta
Fri 10/1611:25 am
KEF
- SAT
2 stops18h 03m
Delta
Deal found 6/10![Delta logo]()
$975
This Icelandair deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:45 am
SAT
- KEF
1 stop16h 25m
Multiple Airlines
Wed 10/74:50 pm
KEF
- SAT
1 stop23h 40m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$963
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:10 pm
SAT
- KEF
1 stop15h 20m
United Airlines
Wed 9/309:15 am
KEF
- SAT
2 stops40h 27m
United Airlines
Deal found 6/11![United Airlines logo]()
$964
This Icelandair deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:35 am
SAT
- KEF
2 stops19h 50m
Multiple Airlines
Thu 10/17:50 pm
KEF
- SAT
2 stops22h 45m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$968
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:00 pm
SAT
- KEF
1 stop13h 00m
United Airlines
Thu 9/1711:30 am
KEF
- SAT
1 stop14h 08m
United Airlines
Deal found 6/12![United Airlines logo]()
$994
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:07 am
SAT
- KEF
2 stops18h 23m
United Airlines
Wed 9/169:15 am
KEF
- SAT
2 stops18h 29m
United Airlines
Deal found 6/12![United Airlines logo]()
$997
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
SAT
- KEF
2 stops20h 55m
United Airlines
Sat 8/2911:30 am
KEF
- SAT
1 stop14h 08m
United Airlines
Deal found 6/12![United Airlines logo]()
$997
Last-minute flights from San Antonio to Keflavik IntlDiscover last-minute flight deals from San Antonio to Keflavik Intl. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Keflavik Intl. Data last updated June 14, 2026 and is based on user searches.
This Icelandair deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:25 pm
SAT
- KEF
1 stop10h 15m
Multiple Airlines
Fri 7/35:25 pm
KEF
- SAT
1 stop12h 35m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,137
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:51 pm
SAT
- KEF
1 stop29h 09m
Multiple Airlines
Tue 7/79:00 am
KEF
- SAT
2 stops43h 54m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,228
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/59:55 am
SAT
- KEF
1 stop15h 45m
Multiple Airlines
Thu 7/94:45 pm
KEF
- SAT
2 stops23h 05m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$940
This Icelandair deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:25 pm
SAT
- KEF
1 stop10h 15m
Multiple Airlines
Tue 7/147:50 pm
KEF
- SAT
1 stop19h 55m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,017
This oojo deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/84:44 pm
SAT
- KEF
1 stop16h 16m
Icelandair
Wed 7/1510:40 am
KEF
- SAT
1 stop23h 20m
Icelandair
Deal found 6/14![Icelandair logo]()
$1,039
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:39 pm
SAT
- KEF
1 stop32h 46m
Multiple Airlines
Wed 7/159:00 am
KEF
- SAT
2 stops19h 54m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,184
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/271:25 pm
SAT
- KEF
1 stop14h 25m
United Airlines
Mon 8/310:00 am
KEF
- SAT
1 stop16h 13m
United Airlines
Deal found 6/12![United Airlines logo]()
$1,062
One-way flights from San Antonio to Keflavik IntlSearch for one-way flight options from San Antonio to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
Search for one-way flight options from San Antonio to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
This Orbitz deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:30 pm
SAT
- KEF
2 stops34h 15m
Air Canada
Deal found 6/12![Air Canada logo]()
$463
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:10 pm
SAT
- KEF
1 stop15h 20m
Delta
Deal found 6/12![Delta logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:30 am
SAT
- KEF
2 stops20h 10m
WestJet
Deal found 6/11![WestJet logo]()
$620
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:25 pm
SAT
- KEF
1 stop31h 10m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$720
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/259:37 am
SAT
- KEF
3 stops17h 53m
United Airlines
Deal found 6/11![United Airlines logo]()
$915
This Icelandair deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:25 am
SAT
- KEF
1 stop18h 35m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$2,383
This BusinessClass deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:45 pm
SAT
- KEF
2 stops37h 40m
British Airways
Deal found 6/11![British Airways logo]()
$2,868
Find flight deals from San Antonio to Keflavik Intl
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $885 (Kiwi.com) |
One-way from | $463 (Orbitz) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Keflavik Intl 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, Cheapflights users made 2,558,603 searches. Data last updated June 14, 2026.
Use the filters below to find and compare flights from San Antonio to Reykjavik Keflavik Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioReykjavik
SAT - KEF
SATKEF
San Antonio
Fri 9/25
5:20 am-6:25 am
1 stop20h 05m
Reykjavik Keflavik Intl
Mon 9/28
4:50 pm-5:25 pm
1 stop29h 35m
$946
San AntonioReykjavik
SAT - KEF
SATKEF
San Antonio
Tue 9/22
9:07 am-8:30 am
2 stops18h 23m
Reykjavik Keflavik Intl
Thu 10/1
10:00 am-12:11 pm
2 stops31h 11m
$955
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
4:50 pm-11:30 am
1 stop23h 40m
$963
San AntonioReykjavik
SAT - KEF
SATKEF
San Antonio
Tue 9/22
12:10 pm-8:30 am
1 stop15h 20m
Reykjavik Keflavik Intl
Wed 9/30
9:15 am-8:42 pm
2 stops40h 27m
$964
San AntonioReykjavik
SAT - KEF
SATKEF
San Antonio
Thu 9/24
5:35 am-6:25 am
2 stops19h 50m
Reykjavik Keflavik Intl
Thu 10/1
7:50 pm-1:35 pm
2 stops22h 45m
$968
San AntonioReykjavik
SAT - KEF
SATKEF
San Antonio
Wed 10/7
2:10 pm-9:30 am
2 stops14h 20m
Reykjavik Keflavik Intl
Fri 10/16
11:25 am-12:28 am
2 stops18h 03m
$975
Quickest round-trip
San AntonioReykjavik
SAT - KEF
SATKEF
San Antonio
Wed 9/9
1:00 pm-7:00 am
1 stop13h 00m
Reykjavik Keflavik Intl
Thu 9/17
11:30 am-8:38 pm
1 stop14h 08m
$994
San AntonioReykjavik
SAT - KEF
SATKEF
San Antonio
Wed 9/9
9:07 am-8:30 am
2 stops18h 23m
Reykjavik Keflavik Intl
Wed 9/16
9:15 am-10:44 pm
2 stops18h 29m
$997
San AntonioReykjavik
SAT - KEF
SATKEF
San Antonio
Sun 8/16
6:00 am-7:55 am
2 stops20h 55m
Reykjavik Keflavik Intl
Sat 8/29
11:30 am-8:38 pm
1 stop14h 08m
$997
Cheapest one-way
San AntonioReykjavik
SAT - KEF
SATKEF
San Antonio
Tue 9/22
5:30 pm-8:45 am
2 stops34h 15m
$463
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from San Antonio to Keflavik Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Keflavik Intl in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Antonio-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Antonio to Keflavik Intl
Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from San Antonio with our price prediction graph.
SAT-KEF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Reykjavik Keflavik Intl Airport?
Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locationsKeflavik
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