$798+ Cheap flights from San Antonio (SAT) to Keflavik Intl (KEF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — KEF
Nov 29 — Dec 61
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
Cheapest
Best
Last-minute
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 October 30, 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 October 30, 2026.
This Finnair deal was found by Cheapflights users on 10/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:54 pm -
2 stops36h 21m
Tue 12/110:00 am -
2 stops38h 22m
Deal found 10/27![Multiple Airlines logo]()
$798
This FlightHub deal was found by Cheapflights users on 10/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:45 am -
2 stops20h 40m
Sun 11/153:20 pm -
2 stops35h 33m
Deal found 10/26![Lufthansa logo]()
$905
This Ovago deal was found by Cheapflights users on 10/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:47 am -
2 stops20h 38m
Sat 12/1912:00 pm -
1 stop16h 59m
Deal found 10/28![Lufthansa logo]()
$1,005
This Finnair deal was found by Cheapflights users on 10/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:55 pm -
2 stops18h 10m
Tue 11/176:00 pm -
2 stops31h 22m
Deal found 10/28![Multiple Airlines logo]()
$1,126
This Icelandair deal was found by Cheapflights users on 10/28. 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.
Sat 12/125:30 pm -
1 stop30h 35m
Sat 12/195:00 pm -
1 stop12h 05m
Deal found 10/28![Multiple Airlines logo]()
$1,212
This Icelandair deal was found by Cheapflights users on 10/26. 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 11/95:15 am -
1 stop19h 15m
Sun 11/154:55 pm -
1 stop27h 10m
Deal found 10/26![Multiple Airlines logo]()
$1,264
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 12/124:10 pm -
3 stops35h 50m
Sat 12/1912:00 pm -
2 stops26h 30m
Deal found 10/28![United Airlines logo]()
$1,314
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 October 30, 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 October 30, 2026.
This Finnair deal was found by Cheapflights users on 10/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:54 pm -
2 stops36h 21m
Tue 12/110:00 am -
2 stops38h 22m
Deal found 10/27![Multiple Airlines logo]()
$798
This FlightHub deal was found by Cheapflights users on 10/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:45 am -
2 stops20h 40m
Sun 11/153:20 pm -
2 stops35h 33m
Deal found 10/26![Lufthansa logo]()
$905
This Finnair deal was found by Cheapflights users on 10/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/411:34 am -
2 stops23h 41m
Wed 3/106:00 pm -
2 stops32h 41m
Deal found 10/27![Multiple Airlines logo]()
$834
This Icelandair deal was found by Cheapflights users on 10/30. 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 3/55:15 am -
1 stop19h 15m
Fri 3/125:00 pm -
1 stop12h 20m
Deal found 10/30![Multiple Airlines logo]()
$984
This Icelandair deal was found by Cheapflights users on 10/28. 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.
Sat 12/125:30 pm -
1 stop30h 35m
Sat 12/195:00 pm -
1 stop12h 05m
Deal found 10/28![Multiple Airlines logo]()
$1,212
Last-minute flights from San Antonio to Keflavik IntlDiscover last-minute flight deals from San Antonio to Keflavik Intl. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Keflavik Intl. Data last updated October 30, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:45 am -
2 stops20h 40m
Sun 11/153:20 pm -
2 stops35h 33m
Deal found 10/26![Lufthansa logo]()
$905
This Icelandair deal was found by Cheapflights users on 10/26. 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 11/95:15 am -
1 stop19h 15m
Sun 11/154:55 pm -
1 stop27h 10m
Deal found 10/26![Multiple Airlines logo]()
$1,264
This Finnair deal was found by Cheapflights users on 10/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:55 pm -
2 stops18h 10m
Tue 11/176:00 pm -
2 stops31h 22m
Deal found 10/28![Multiple Airlines logo]()
$1,126
This British Airways deal was found by Cheapflights users on 10/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:50 pm -
2 stops20h 10m
Sat 11/284:05 pm -
2 stops36h 57m
Deal found 10/27![British Airways logo]()
$1,499
This Finnair deal was found by Cheapflights users on 10/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:54 pm -
2 stops36h 21m
Tue 12/110:00 am -
2 stops38h 22m
Deal found 10/27![Multiple Airlines logo]()
$798
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $798 (Finnair) |
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 7,457,451 searches. Data last updated October 30, 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 San Antonio - KEF Reykjavik Keflavik Intl
SATKEF
San Antonio
Tue 11/24
2:54 pm-9:15 am
2 stops36h 21m
Reykjavik Keflavik Intl
Tue 12/1
10:00 am-6:22 pm
2 stops38h 22m
$798
San AntonioReykjavik
SAT San Antonio - KEF Reykjavik Keflavik Intl
SATKEF
San Antonio
Thu 3/4
11:34 am-5:15 pm
2 stops23h 41m
Reykjavik Keflavik Intl
Wed 3/10
6:00 pm-8:41 pm
2 stops32h 41m
$834
San AntonioReykjavik
SAT San Antonio - KEF Reykjavik Keflavik Intl
SATKEF
San Antonio
Mon 11/9
11:45 am-2:25 pm
2 stops20h 40m
Reykjavik Keflavik Intl
Sun 11/15
3:20 pm-8:53 pm
2 stops35h 33m
$905
Quickest round-trip
San AntonioReykjavik
SAT San Antonio - KEF Reykjavik Keflavik Intl
SATKEF
San Antonio
Fri 3/5
5:15 am-6:30 am
1 stop19h 15m
Reykjavik Keflavik Intl
Fri 3/12
5:00 pm-11:20 pm
1 stop12h 20m
$984
San AntonioReykjavik
SAT San Antonio - KEF Reykjavik Keflavik Intl
SATKEF
San Antonio
Sat 12/12
5:30 pm-6:05 am
1 stop30h 35m
Reykjavik Keflavik Intl
Sat 12/19
5:00 pm-11:05 pm
1 stop12h 05m
$1,212
Sorted 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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 locationsHveragerdi
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