$745+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — KEF
Nov 2 — Nov 91
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 October 3, 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 3, 2026.
This KAYAK deal was found by Cheapflights users on 9/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:24 pm -
2 stops20h 01m
Thu 12/33:10 pm -
2 stops35h 24m
Deal found 9/29![Lufthansa logo]()
$774
This KAYAK deal was found by Cheapflights users on 9/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:19 pm -
2 stops40h 06m
Thu 12/33:10 pm -
2 stops35h 24m
Deal found 9/29![Lufthansa logo]()
$780
This KAYAK deal was found by Cheapflights users on 9/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:24 pm -
2 stops20h 01m
Tue 12/13:20 pm -
2 stops36h 06m
Deal found 9/29![Lufthansa logo]()
$794
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/284:19 pm -
2 stops35h 41m
Mon 12/712:00 pm -
1 stop16h 57m
Deal found 9/29![United Airlines logo]()
$798
This American Airlines deal was found by Cheapflights users on 9/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:18 am -
2 stops24h 47m
Fri 12/411:35 am -
2 stops18h 20m
Deal found 9/29![American Airlines logo]()
$799
This KAYAK deal was found by Cheapflights users on 9/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:34 pm -
2 stops38h 51m
Tue 12/13:20 pm -
2 stops36h 06m
Deal found 9/29![Lufthansa logo]()
$800
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/255:34 pm -
1 stop10h 26m
Thu 12/312:00 pm -
1 stop16h 57m
Deal found 9/29![United Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 11/275:34 pm -
1 stop10h 26m
Thu 12/312:00 pm -
1 stop16h 57m
Deal found 9/29![United Airlines logo]()
$812
This FlightHub deal was found by Cheapflights users on 9/29. 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.
Wed 11/251:44 pm -
2 stops39h 06m
Sat 12/511:35 am -
2 stops43h 00m
Deal found 9/29![Scandinavian Airlines logo]()
$813
This Scandinavian Airlines deal was found by Cheapflights users on 9/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:44 pm -
2 stops39h 06m
Mon 12/76:05 pm -
2 stops36h 00m
Deal found 9/29![Scandinavian Airlines logo]()
$817
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:19 pm -
2 stops36h 41m
Thu 11/512:00 pm -
2 stops29h 39m
Deal found 9/30![United Airlines logo]()
$829
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 3, 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 3, 2026.
This Finnair deal was found by Cheapflights users on 9/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/22:05 pm -
2 stops21h 10m
Mon 3/226:00 pm -
2 stops34h 27m
Deal found 9/30![Multiple Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/282:20 pm -
2 stops37h 40m
Mon 12/712:00 pm -
2 stops14h 34m
Deal found 9/29![United Airlines logo]()
$798
This Scandinavian Airlines deal was found by Cheapflights users on 10/2. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:45 pm -
2 stops39h 05m
Mon 12/711:35 am -
2 stops42h 30m
Deal found 10/2![Scandinavian Airlines logo]()
$817
This Finnair deal was found by Cheapflights users on 10/2. 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.
Wed 3/249:18 am -
2 stops26h 57m
Tue 3/305:15 pm -
2 stops35h 43m
Deal found 10/2![Multiple Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 11/275:34 pm -
1 stop10h 26m
Sat 12/512:00 pm -
1 stop16h 57m
Deal found 9/29![United Airlines logo]()
$832
This Scandinavian Airlines deal was found by Cheapflights users on 9/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:44 pm -
2 stops21h 36m
Sat 12/511:35 am -
2 stops40h 44m
Deal found 9/29![Scandinavian Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/264:00 pm -
2 stops36h 00m
Mon 12/712:00 pm -
1 stop16h 57m
Deal found 9/29![United Airlines logo]()
$849
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/255:34 pm -
1 stop10h 26m
Sat 12/512:00 pm -
1 stop16h 57m
Deal found 9/29![United Airlines logo]()
$853
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Fri 12/41:40 pm -
1 stop14h 20m
Mon 12/712:00 pm -
1 stop16h 52m
Deal found 10/2![United Airlines logo]()
$949
Last-minute flights from San Antonio to Keflavik IntlDiscover last-minute flight deals from San Antonio to Keflavik Intl. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Keflavik Intl. Data last updated October 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:19 pm -
2 stops36h 41m
Thu 11/512:00 pm -
2 stops29h 39m
Deal found 9/30![United Airlines logo]()
$829
This Scandinavian Airlines deal was found by Cheapflights users on 9/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:44 pm -
2 stops39h 06m
Mon 12/76:05 pm -
2 stops36h 00m
Deal found 9/29![Scandinavian Airlines logo]()
$817
This KAYAK deal was found by Cheapflights users on 9/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:19 pm -
2 stops40h 06m
Thu 12/33:10 pm -
2 stops35h 24m
Deal found 9/29![Lufthansa logo]()
$780
This KAYAK deal was found by Cheapflights users on 9/29. 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 KAYAK is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Tue 11/245:34 pm -
2 stops38h 51m
Tue 12/13:20 pm -
2 stops36h 06m
Deal found 9/29![Lufthansa logo]()
$800
This KAYAK deal was found by Cheapflights users on 9/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:24 pm -
2 stops20h 01m
Thu 12/33:10 pm -
2 stops35h 24m
Deal found 9/29![Lufthansa logo]()
$774
This KAYAK deal was found by Cheapflights users on 9/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:24 pm -
2 stops20h 01m
Tue 12/13:20 pm -
2 stops36h 06m
Deal found 9/29![Lufthansa logo]()
$794
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/255:34 pm -
1 stop10h 26m
Thu 12/312:00 pm -
1 stop16h 57m
Deal found 9/29![United Airlines logo]()
$803
This FlightHub deal was found by Cheapflights users on 9/29. 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.
Wed 11/251:44 pm -
2 stops39h 06m
Sat 12/511:35 am -
2 stops43h 00m
Deal found 9/29![Scandinavian Airlines logo]()
$813
This American Airlines deal was found by Cheapflights users on 9/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:18 am -
2 stops24h 47m
Fri 12/411:35 am -
2 stops18h 20m
Deal found 9/29![American Airlines logo]()
$799
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 11/275:34 pm -
1 stop10h 26m
Thu 12/312:00 pm -
1 stop16h 57m
Deal found 9/29![United Airlines logo]()
$812
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/284:19 pm -
2 stops35h 41m
Mon 12/712:00 pm -
1 stop16h 57m
Deal found 9/29![United 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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $723 (Expedia) |
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 3, 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 3/2
2:05 pm-5:15 pm
2 stops21h 10m
Reykjavik Keflavik Intl
Mon 3/22
6:00 pm-11:27 pm
2 stops34h 27m
$745
San AntonioReykjavik
SAT San Antonio - KEF Reykjavik Keflavik Intl
SATKEF
San Antonio
Wed 3/24
9:18 am-5:15 pm
2 stops26h 57m
Reykjavik Keflavik Intl
Tue 3/30
5:15 pm-11:58 pm
2 stops35h 43m
$745
San AntonioReykjavik
SAT San Antonio - KEF Reykjavik Keflavik Intl
SATKEF
San Antonio
Sat 11/28
2:20 pm-10:00 am
2 stops37h 40m
Reykjavik Keflavik Intl
Mon 12/7
12:00 pm-8:34 pm
2 stops14h 34m
$798
San AntonioReykjavik
SAT San Antonio - KEF Reykjavik Keflavik Intl
SATKEF
San Antonio
Wed 12/2
1:45 pm-10:50 am
2 stops39h 05m
Reykjavik Keflavik Intl
Mon 12/7
11:35 am-12:05 am
2 stops42h 30m
$817
Quickest round-trip
San AntonioReykjavik
SAT San Antonio - KEF Reykjavik Keflavik Intl
SATKEF
San Antonio
Fri 11/27
5:34 pm-10:00 am
1 stop10h 26m
Reykjavik Keflavik Intl
Sat 12/5
12:00 pm-10:57 pm
1 stop16h 57m
$832
San AntonioReykjavik
SAT San Antonio - KEF Reykjavik Keflavik Intl
SATKEF
San Antonio
Mon 11/23
1:44 pm-5:20 pm
2 stops21h 36m
Reykjavik Keflavik Intl
Sat 12/5
11:35 am-10:19 pm
2 stops40h 44m
$847
San AntonioReykjavik
SAT San Antonio - KEF Reykjavik Keflavik Intl
SATKEF
San Antonio
Thu 11/26
4:00 pm-10:00 am
2 stops36h 00m
Reykjavik Keflavik Intl
Mon 12/7
12:00 pm-10:57 pm
1 stop16h 57m
$849
San AntonioReykjavik
SAT San Antonio - KEF Reykjavik Keflavik Intl
SATKEF
San Antonio
Wed 11/25
5:34 pm-10:00 am
1 stop10h 26m
Reykjavik Keflavik Intl
Sat 12/5
12:00 pm-10:57 pm
1 stop16h 57m
$853
San AntonioReykjavik
SAT San Antonio - KEF Reykjavik Keflavik Intl
SATKEF
San Antonio
Fri 12/4
1:40 pm-10:00 am
1 stop14h 20m
Reykjavik Keflavik Intl
Mon 12/7
12:00 pm-10:52 pm
1 stop16h 52m
$949
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 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
Hveragerdi
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