$409+ Cheap flights from Austin (AUS) 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — KEF
Sep 30 — Oct 71
Round-trip
1 adult, Economy
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Find cheap flights from Austin 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 Austin to Keflavik Intl
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Cheapest flights from Austin to Keflavik IntlExplore the most affordable flight options available from Austin to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 31, 2026.
Explore the most affordable flight options available from Austin to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 31, 2026.
This Icelandair deal was found by Cheapflights users on 8/28. 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.
Tue 10/2012:05 pm -
1 stop12h 55m
Tue 10/274:55 pm -
1 stop21h 50m
Deal found 8/28![Multiple Airlines logo]()
$634
This Icelandair deal was found by Cheapflights users on 8/26. 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.
Sat 8/293:25 pm -
1 stop13h 00m
Fri 9/44:50 pm -
1 stop12h 05m
Deal found 8/26![Multiple Airlines logo]()
$648
This oojo deal was found by Cheapflights users on 8/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:40 pm -
1 stop31h 25m
Fri 12/115:00 pm -
1 stop28h 40m
Deal found 8/27![Icelandair logo]()
$714
This oojo deal was found by Cheapflights users on 8/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:40 pm -
1 stop31h 25m
Wed 11/115:00 pm -
1 stop26h 10m
Deal found 8/28![Icelandair logo]()
$719
This oojo deal was found by Cheapflights users on 8/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:35 pm -
1 stop30h 30m
Sat 11/145:00 pm -
1 stop26h 10m
Deal found 8/27![Icelandair logo]()
$720
This United Airlines deal was found by Cheapflights users on 8/31. 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 12/91:32 pm -
1 stop14h 28m
Thu 12/1712:00 pm -
1 stop16h 50m
Deal found 8/31![United Airlines logo]()
$732
This Icelandair deal was found by Cheapflights users on 8/30. 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.
Sat 10/179:50 am -
1 stop15h 35m
Fri 10/304:55 pm -
1 stop12h 15m
Deal found 8/30![Multiple Airlines logo]()
$759
This Icelandair deal was found by Cheapflights users on 8/28. 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.
Mon 9/212:19 pm -
1 stop12h 51m
Mon 9/287:55 pm -
1 stop22h 32m
Deal found 8/28![Multiple Airlines logo]()
$782
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Mon 12/76:05 pm -
2 stops57h 55m
Mon 12/2112:00 pm -
2 stops26h 35m
Deal found 8/28![United Airlines logo]()
$798
This Icelandair deal was found by Cheapflights users on 8/26. 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.
Sat 9/123:25 pm -
1 stop13h 00m
Wed 9/165:00 pm -
1 stop22h 50m
Deal found 8/26![Multiple Airlines logo]()
$799
Best flights from Austin to Keflavik IntlDiscover carefully curated flight deals from Austin to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
Discover carefully curated flight deals from Austin to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
This Icelandair deal was found by Cheapflights users on 8/28. 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 10/179:50 am -
1 stop15h 35m
Fri 10/304:55 pm -
1 stop12h 15m
Deal found 8/28![Multiple Airlines logo]()
$772
This United Airlines deal was found by Cheapflights users on 8/31. 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 11/63:49 pm -
1 stop12h 11m
Sat 11/1412:00 pm -
1 stop13h 04m
Deal found 8/31![United Airlines logo]()
$832
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:20 am -
2 stops20h 40m
Thu 12/1712:00 pm -
1 stop16h 50m
Deal found 8/27![United Airlines logo]()
$916
This Icelandair deal was found by Cheapflights users on 8/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:55 am -
1 stop13h 05m
Sat 10/105:00 pm -
1 stop22h 35m
Deal found 8/29![Multiple Airlines logo]()
$936
This Icelandair deal was found by Cheapflights users on 8/31. 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 1/281:30 pm -
1 stop10h 35m
Wed 2/35:15 pm -
2 stops27h 30m
Deal found 8/31![Multiple Airlines logo]()
$937
Last-minute flights from Austin to Keflavik IntlDiscover last-minute flight deals from Austin to Keflavik Intl. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Keflavik Intl. Data last updated August 31, 2026 and is based on user searches.
This Icelandair deal was found by Cheapflights users on 8/26. 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.
Sat 8/293:25 pm -
1 stop13h 00m
Fri 9/44:50 pm -
1 stop12h 05m
Deal found 8/26![Multiple Airlines logo]()
$648
This Icelandair deal was found by Cheapflights users on 8/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:20 am -
1 stop13h 40m
Tue 9/224:45 pm -
1 stop25h 40m
Deal found 8/27![Multiple Airlines logo]()
$833
This Icelandair deal was found by Cheapflights users on 8/31. 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.
Wed 9/93:45 pm -
1 stop12h 40m
Wed 9/235:10 pm -
1 stop19h 35m
Deal found 8/31![Multiple Airlines logo]()
$821
This Icelandair deal was found by Cheapflights users on 8/26. 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.
Sat 9/123:25 pm -
1 stop13h 00m
Wed 9/165:00 pm -
1 stop22h 50m
Deal found 8/26![Multiple Airlines logo]()
$799
This oojo deal was found by Cheapflights users on 8/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:19 pm -
1 stop12h 51m
Wed 9/167:55 pm -
1 stop22h 32m
Deal found 8/27![Icelandair logo]()
$818
This Icelandair deal was found by Cheapflights users on 8/28. 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.
Mon 9/212:19 pm -
1 stop12h 51m
Mon 9/287:55 pm -
1 stop22h 32m
Deal found 8/28![Multiple Airlines logo]()
$782
This Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:40 am -
1 stop16h 20m
Tue 10/611:25 am -
1 stop16h 45m
Deal found 8/26![Delta logo]()
$822
One-way flights from Austin to Keflavik IntlSearch for one-way flight options from Austin to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
Search for one-way flight options from Austin to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Mytrip deal was found by Cheapflights users on 8/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:25 am -
2 stops20h 30m
Deal found 8/31![Air Canada logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Sat 9/54:14 pm -
2 stops34h 26m
Deal found 8/31![Multiple Airlines logo]()
$564
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/37:10 pm -
3 stops31h 30m
Deal found 8/31![Multiple Airlines logo]()
$627
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:51 pm -
3 stops53h 49m
Deal found 8/30![Multiple Airlines logo]()
$633
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/410:40 am -
1 stop15h 20m
Deal found 8/31![United Airlines logo]()
$690
Find flight deals from Austin to Keflavik Intl
Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) 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 August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $634 (Icelandair) |
One-way from | $409 (Mytrip) |
Popular in | April |
Cheapest in | March |
Average price | $1,304 |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin 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 August 31, 2026.
Use the filters below to find and compare flights from Austin to Reykjavik Keflavik Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Sat 10/17
9:50 am-6:25 am
1 stop15h 35m
Reykjavik Keflavik Intl
Fri 10/30
4:55 pm-12:10 am
1 stop12h 15m
$772
Quickest round-trip
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Fri 11/6
3:49 pm-10:00 am
1 stop12h 11m
Reykjavik Keflavik Intl
Sat 11/14
12:00 pm-7:04 pm
1 stop13h 04m
$832
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Wed 12/9
7:20 am-10:00 am
2 stops20h 40m
Reykjavik Keflavik Intl
Thu 12/17
12:00 pm-10:50 pm
1 stop16h 50m
$916
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Mon 9/28
11:55 am-6:00 am
1 stop13h 05m
Reykjavik Keflavik Intl
Sat 10/10
5:00 pm-10:35 am
1 stop22h 35m
$936
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Thu 1/28
1:30 pm-6:05 am
1 stop10h 35m
Reykjavik Keflavik Intl
Wed 2/3
5:15 pm-2:45 pm
2 stops27h 30m
$937
Cheapest one-way
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Tue 10/20
11:40 am-7:55 am
3 stops15h 15m
$410
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Mon 12/14
9:07 pm-4:15 pm
2 stops37h 08m
$452
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Fri 10/30
4:17 pm-10:00 am
3 stops60h 43m
$496
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Sat 9/5
4:14 pm-7:40 am
2 stops34h 26m
$564
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Sun 1/10
7:30 am-10:50 am
2 stops21h 20m
$622
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Austin 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 Austin to Keflavik Intl in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | 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 Austin-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 Austin-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-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 Austin-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 Austin to Keflavik Intl
Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Austin with our price prediction graph.
AUS-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.
Reviews of airlines servicing Keflavik Intl
Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated August 31, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Austin to Reykjavik Keflavik Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Related info for your journey
Find useful and relevant information for your journey from Austin 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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Other flights to Keflavik Intl
Explore flights to Keflavik Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.
Austin and Keflavik Intl flights
Browse other Austin and Keflavik Intl flight options. Last updated on August 31, 2026.
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Austin to Keflavik Intl
Discover the top 2 airlines that operate flights from Austin to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$779 | Average$1,264 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$783 | Average$1,211 | FlexibilityNo cancel fee | On-timeN/A |