$370+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — KEF
Jul 12 — Jul 191
Round-trip
1 adult, Economy
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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 June 12, 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 June 12, 2026.
This Icelandair deal was found by Cheapflights users on 6/8. 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
AUS
- KEF
1 stop12h 40m
Multiple Airlines
Wed 9/234:50 pm
KEF
- AUS
1 stop20h 40m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$647
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 9/65:30 pm
AUS
- KEF
1 stop33h 10m
WestJet
Thu 9/109:00 am
KEF
- AUS
1 stop12h 40m
WestJet
Deal found 6/8![WestJet logo]()
$699
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 8/308:15 pm
AUS
- KEF
2 stops30h 25m
Multiple Airlines
Thu 9/109:00 am
KEF
- AUS
1 stop12h 40m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$703
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:30 pm
AUS
- KEF
1 stop31h 35m
Icelandair
Mon 10/197:55 pm
KEF
- AUS
1 stop25h 40m
Icelandair
Deal found 6/10![Icelandair logo]()
$712
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.
Fri 11/65:35 pm
AUS
- KEF
1 stop30h 30m
Icelandair
Sat 11/145:00 pm
KEF
- AUS
1 stop26h 10m
Icelandair
Deal found 6/11![Icelandair logo]()
$714
This Icelandair deal was found by Cheapflights users on 6/8. 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 9/13:45 pm
AUS
- KEF
1 stop12h 40m
Multiple Airlines
Tue 9/87:55 pm
KEF
- AUS
1 stop22h 45m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$720
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:21 pm
AUS
- KEF
1 stop32h 44m
Icelandair
Mon 9/217:55 pm
KEF
- AUS
1 stop22h 45m
Icelandair
Deal found 6/9![Icelandair logo]()
$723
This oojo deal was found by Cheapflights users on 6/8. 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 9/210:15 am
AUS
- KEF
1 stop14h 50m
Icelandair
Wed 9/97:55 pm
KEF
- AUS
1 stop22h 45m
Icelandair
Deal found 6/8![Icelandair logo]()
$724
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.
Sat 8/225:20 pm
AUS
- KEF
1 stop11h 05m
Multiple Airlines
Sat 8/2910:45 am
KEF
- AUS
1 stop14h 30m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$728
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 June 12, 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 June 12, 2026.
This Icelandair deal was found by Cheapflights users on 6/7. 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 8/263:45 pm
AUS
- KEF
1 stop12h 40m
Multiple Airlines
Tue 9/110:45 am
KEF
- AUS
1 stop17h 20m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$647
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.
Tue 9/11:00 pm
AUS
- KEF
1 stop14h 50m
United Airlines
Tue 9/810:00 am
KEF
- AUS
2 stops32h 48m
United Airlines
Deal found 6/12![United Airlines logo]()
$979
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 7/151:31 pm
AUS
- KEF
2 stops13h 09m
Delta
Wed 7/228:45 am
KEF
- AUS
1 stop14h 56m
Delta
Deal found 6/10![Delta logo]()
$998
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 8/244:35 pm
AUS
- KEF
1 stop11h 50m
Multiple Airlines
Wed 9/210:45 am
KEF
- AUS
1 stop17h 20m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$647
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.
Tue 9/13:45 pm
AUS
- KEF
1 stop12h 40m
Multiple Airlines
Tue 9/87:55 pm
KEF
- AUS
1 stop22h 45m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$720
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.
Sat 8/2912:05 pm
AUS
- KEF
1 stop12h 55m
Multiple Airlines
Tue 9/87:55 pm
KEF
- AUS
1 stop22h 45m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$720
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/612:15 pm
AUS
- KEF
2 stops15h 35m
United Airlines
Tue 7/1411:00 am
KEF
- AUS
2 stops15h 25m
United Airlines
Deal found 6/7![United Airlines logo]()
$999
This Delta deal was found by Cheapflights users on 6/8. 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 9/13:46 pm
AUS
- KEF
1 stop12h 44m
Delta
Fri 9/1111:25 am
KEF
- AUS
2 stops15h 30m
Delta
Deal found 6/8![Delta logo]()
$999
This Delta deal was found by Cheapflights users on 6/8. 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.
Sun 8/301:34 pm
AUS
- KEF
2 stops14h 56m
Delta
Wed 9/911:25 am
KEF
- AUS
2 stops13h 57m
Delta
Deal found 6/8![Delta logo]()
$999
This United Airlines deal was found by Cheapflights users on 6/7. 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 10/78:45 am
AUS
- KEF
1 stop19h 05m
United Airlines
Mon 10/1210:00 am
KEF
- AUS
2 stops32h 18m
United Airlines
Deal found 6/7![United Airlines logo]()
$1,025
Last-minute flights from Austin to Keflavik IntlDiscover last-minute flight deals from Austin to Keflavik Intl. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Keflavik Intl. Data last updated June 12, 2026 and is based on user searches.
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:05 pm
AUS
- KEF
1 stop33h 05m
Icelandair
Wed 6/245:10 pm
KEF
- AUS
1 stop21h 14m
Icelandair
Deal found 6/9![Icelandair logo]()
$830
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:15 am
AUS
- KEF
1 stop14h 50m
Icelandair
Thu 6/257:55 pm
KEF
- AUS
1 stop18h 29m
Icelandair
Deal found 6/10![Icelandair logo]()
$846
This oojo deal was found by Cheapflights users on 6/8. 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 7/66:05 pm
AUS
- KEF
1 stop31h 00m
Icelandair
Tue 7/145:10 pm
KEF
- AUS
1 stop21h 12m
Icelandair
Deal found 6/8![Icelandair logo]()
$757
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:12 am
AUS
- KEF
1 stop14h 53m
Icelandair
Wed 7/225:10 pm
KEF
- AUS
1 stop21h 12m
Icelandair
Deal found 6/9![Icelandair logo]()
$749
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/266:30 am
AUS
- KEF
1 stop18h 30m
Multiple Airlines
Thu 8/64:50 pm
KEF
- AUS
1 stop12h 17m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$766
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/265:30 pm
AUS
- KEF
1 stop33h 10m
Multiple Airlines
Sat 8/89:00 am
KEF
- AUS
2 stops44h 07m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$779
This oojo deal was found by Cheapflights users on 6/8. 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 7/276:42 pm
AUS
- KEF
1 stop30h 23m
Icelandair
Thu 8/65:10 pm
KEF
- AUS
1 stop21h 12m
Icelandair
Deal found 6/8![Icelandair logo]()
$759
This Trip.com deal was found by Cheapflights users on 6/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:30 am
AUS
- KEF
1 stop18h 30m
Multiple Airlines
Sat 8/810:45 am
KEF
- AUS
1 stop18h 22m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$836
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.
Tue 7/285:15 pm
AUS
- KEF
1 stop11h 10m
Multiple Airlines
Wed 8/2610:45 am
KEF
- AUS
1 stop17h 20m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$734
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 June 12, 2026.
Search for one-way flight options from Austin to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
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.
Fri 8/218:15 pm
AUS
- KEF
2 stops30h 25m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$370
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.
Mon 8/172:25 pm
AUS
- KEF
2 stops36h 15m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$371
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.
Sun 8/165:30 pm
AUS
- KEF
1 stop33h 10m
WestJet
Deal found 6/12![WestJet logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 8/228:15 pm
AUS
- KEF
2 stops30h 25m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Tue 7/76:30 am
AUS
- KEF
3 stops45h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$411
This Expedia deal was found by Cheapflights users on 6/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:40 am
AUS
- KEF
1 stop16h 05m
Air Canada
Deal found 6/8![Air Canada logo]()
$449
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.
Sun 8/167:07 pm
AUS
- KEF
3 stops31h 33m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$457
This KLM deal was found by Cheapflights users on 6/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:00 pm
AUS
- KEF
2 stops11h 40m
KLM
Deal found 6/8![KLM logo]()
$465
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 8/208:15 pm
AUS
- KEF
2 stops30h 25m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$512
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 June 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $647 (Icelandair) |
One-way from | $407 (Kiwi.com) |
Popular in | April |
Cheapest in | March |
Average price | $966 |
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 2,558,603 searches. Data last updated June 12, 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 - KEF
AUSKEF
Austin Bergstrom
Wed 8/26
3:45 pm-9:25 am
1 stop12h 40m
Reykjavik Keflavik Intl
Tue 9/1
10:45 am-11:05 pm
1 stop17h 20m
$647
AustinReykjavik
AUS - KEF
AUSKEF
Austin Bergstrom
Mon 8/24
4:35 pm-9:25 am
1 stop11h 50m
Reykjavik Keflavik Intl
Wed 9/2
10:45 am-11:05 pm
1 stop17h 20m
$647
AustinReykjavik
AUS - KEF
AUSKEF
Austin Bergstrom
Tue 9/1
3:45 pm-9:25 am
1 stop12h 40m
Reykjavik Keflavik Intl
Tue 9/8
7:55 pm-1:40 pm
1 stop22h 45m
$720
AustinReykjavik
AUS - KEF
AUSKEF
Austin Bergstrom
Sat 8/29
12:05 pm-6:00 am
1 stop12h 55m
Reykjavik Keflavik Intl
Tue 9/8
7:55 pm-1:40 pm
1 stop22h 45m
$720
AustinReykjavik
AUS - KEF
AUSKEF
Austin Bergstrom
Tue 9/1
1:00 pm-8:50 am
1 stop14h 50m
Reykjavik Keflavik Intl
Tue 9/8
10:00 am-1:48 pm
2 stops32h 48m
$979
Quickest round-trip
AustinReykjavik
AUS - KEF
AUSKEF
Austin Bergstrom
Wed 7/15
1:31 pm-7:40 am
2 stops13h 09m
Reykjavik Keflavik Intl
Wed 7/22
8:45 am-6:41 pm
1 stop14h 56m
$998
AustinReykjavik
AUS - KEF
AUSKEF
Austin Bergstrom
Mon 7/6
12:15 pm-8:50 am
2 stops15h 35m
Reykjavik Keflavik Intl
Tue 7/14
11:00 am-9:25 pm
2 stops15h 25m
$999
AustinReykjavik
AUS - KEF
AUSKEF
Austin Bergstrom
Tue 9/1
3:46 pm-9:30 am
1 stop12h 44m
Reykjavik Keflavik Intl
Fri 9/11
11:25 am-9:55 pm
2 stops15h 30m
$999
AustinReykjavik
AUS - KEF
AUSKEF
Austin Bergstrom
Sun 8/30
1:34 pm-9:30 am
2 stops14h 56m
Reykjavik Keflavik Intl
Wed 9/9
11:25 am-8:22 pm
2 stops13h 57m
$999
AustinReykjavik
AUS - KEF
AUSKEF
Austin Bergstrom
Wed 10/7
8:45 am-8:50 am
1 stop19h 05m
Reykjavik Keflavik Intl
Mon 10/12
10:00 am-1:18 pm
2 stops32h 18m
$1,025
Showing 1-10 of 21 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 June.
| 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 June 12, 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.
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$680 | Average$900 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$729 | Average$1,098 | FlexibilityNo cancel fee | On-time69% |