$451+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — KEF
Sep 4 — Sep 111
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 5, 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 5, 2026.
This Icelandair deal was found by Cheapflights users on 8/5. 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 -
1 stop11h 05m
Sat 8/2910:45 am -
1 stop14h 30m
Deal found 8/5![Multiple Airlines logo]()
$647
This oojo deal was found by Cheapflights users on 8/1. 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 11/45:35 pm -
1 stop30h 30m
Sun 11/85:00 pm -
1 stop29h 40m
Deal found 8/1![Icelandair logo]()
$712
This Trip.com deal was found by Cheapflights users on 8/4. 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.
Tue 11/106:45 am -
1 stop17h 20m
Tue 11/174:55 pm -
1 stop13h 04m
Deal found 8/4![Multiple Airlines logo]()
$713
This oojo deal was found by Cheapflights users on 7/31. 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 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 7/31![Icelandair logo]()
$719
This Icelandair deal was found by Cheapflights users on 8/4. 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 9/167:55 pm -
1 stop22h 32m
Deal found 8/4![Multiple Airlines logo]()
$720
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:45 am -
1 stop18h 20m
Tue 11/34:55 pm -
1 stop13h 04m
Deal found 8/2![Multiple Airlines logo]()
$729
This United Airlines deal was found by Cheapflights users on 8/3. 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 12/910:34 am -
1 stop17h 26m
Thu 12/1712:00 pm -
1 stop12h 47m
Deal found 8/3![United Airlines logo]()
$731
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 11/96:45 am -
1 stop17h 20m
Mon 11/164:55 pm -
1 stop13h 04m
Deal found 8/4![Multiple Airlines logo]()
$741
This Icelandair deal was found by Cheapflights users on 8/3. 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 8/174:35 pm -
1 stop11h 50m
Mon 8/244:50 pm -
1 stop12h 00m
Deal found 8/3![Multiple Airlines logo]()
$742
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 5, 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 5, 2026.
This Icelandair deal was found by Cheapflights users on 8/4. 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 9/237:55 pm -
1 stop22h 32m
Deal found 8/4![Multiple Airlines logo]()
$720
This Delta deal was found by Cheapflights users on 8/4. 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.
Thu 9/246:05 pm -
1 stop10h 25m
Thu 10/111:25 am -
1 stop16h 45m
Deal found 8/4![Delta logo]()
$852
This United Airlines deal was found by Cheapflights users on 8/4. 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 10/163:37 pm -
1 stop12h 13m
Tue 10/2010:00 am -
2 stops31h 27m
Deal found 8/4![United Airlines logo]()
$866
This Icelandair deal was found by Cheapflights users on 7/31. 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.
Tue 10/132:20 pm -
1 stop10h 40m
Sat 10/177:50 pm -
1 stop19h 45m
Deal found 7/31![Multiple Airlines logo]()
$771
This Delta deal was found by Cheapflights users on 8/3. 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.
Mon 9/212:02 pm -
1 stop11h 58m
Mon 9/289:30 am -
1 stop12h 48m
Deal found 8/3![Delta logo]()
$865
This Icelandair deal was found by Cheapflights users on 8/5. 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 9/2111:55 am -
1 stop13h 05m
Sat 9/264:45 pm -
1 stop20h 20m
Deal found 8/5![Multiple Airlines logo]()
$840
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 9/15:20 pm -
1 stop10h 30m
Tue 9/810:00 am -
2 stops32h 12m
Deal found 8/2![United Airlines logo]()
$979
This Icelandair deal was found by Cheapflights users on 8/5. 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 9/810:15 am -
1 stop14h 50m
Sun 9/134:45 pm -
1 stop20h 35m
Deal found 8/5![Multiple Airlines logo]()
$888
This Icelandair deal was found by Cheapflights users on 8/1. 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 9/711:55 am -
1 stop13h 05m
Mon 9/217:55 pm -
1 stop22h 32m
Deal found 8/1![Multiple Airlines logo]()
$973
Last-minute flights from Austin to Keflavik IntlDiscover last-minute flight deals from Austin to Keflavik Intl. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Keflavik Intl. Data last updated August 5, 2026 and is based on user searches.
This Icelandair deal was found by Cheapflights users on 8/3. 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 8/174:35 pm -
1 stop11h 50m
Mon 8/244:50 pm -
1 stop12h 00m
Deal found 8/3![Multiple Airlines logo]()
$742
This Icelandair deal was found by Cheapflights users on 8/5. 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 -
1 stop11h 05m
Sat 8/2910:45 am -
1 stop14h 30m
Deal found 8/5![Multiple Airlines logo]()
$647
This oojo deal was found by Cheapflights users on 8/4. 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 9/810:15 am -
1 stop16h 55m
Tue 9/225:10 pm -
1 stop25h 17m
Deal found 8/4![Icelandair logo]()
$756
This oojo deal was found by Cheapflights users on 8/1. 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 9/92:19 pm -
1 stop12h 51m
Wed 9/237:55 pm -
1 stop22h 32m
Deal found 8/1![Icelandair logo]()
$731
This Icelandair deal was found by Cheapflights users on 8/4. 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 9/167:55 pm -
1 stop22h 32m
Deal found 8/4![Multiple Airlines logo]()
$720
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/216:34 am -
1 stop21h 16m
Thu 10/110:00 am -
1 stop29h 48m
Deal found 8/4![United Airlines logo]()
$777
This Air Canada deal was found by Cheapflights users on 8/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:34 am -
2 stops17h 21m
Thu 10/110:00 am -
2 stops30h 08m
Deal found 8/3![Air Canada logo]()
$779
This oojo deal was found by Cheapflights users on 8/3. 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 9/232:19 pm -
1 stop12h 51m
Mon 9/287:55 pm -
1 stop22h 32m
Deal found 8/3![Icelandair logo]()
$748
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/235:32 pm -
1 stop10h 18m
Thu 10/110:00 am -
2 stops30h 08m
Deal found 8/4![United Airlines logo]()
$776
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 5, 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 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 -
1 stop33h 10m
Deal found 8/4![WestJet logo]()
$451
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/67:00 am -
2 stops20h 50m
Deal found 8/4![United Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/67:10 pm -
3 stops57h 45m
Deal found 8/4![Multiple Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 8/4. 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 10/17:15 am -
2 stops19h 40m
Deal found 8/4![United Airlines logo]()
$528
This deal was found by Cheapflights users on 7/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:00 pm -
1 stop14h 50m
Deal found 7/31![United Airlines logo]()
$690
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 10/77:07 pm -
2 stops29h 58m
Deal found 8/1![Multiple Airlines logo]()
$1,901
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 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $647 (Icelandair) |
One-way from | $451 (Kiwi.com) |
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 2,558,603 searches. Data last updated August 5, 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
Wed 9/9
3:45 pm-9:25 am
1 stop12h 40m
Reykjavik Keflavik Intl
Wed 9/23
7:55 pm-1:27 pm
1 stop22h 32m
$720
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Tue 10/13
2:20 pm-6:00 am
1 stop10h 40m
Reykjavik Keflavik Intl
Sat 10/17
7:50 pm-10:35 am
1 stop19h 45m
$771
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Mon 9/21
11:55 am-6:00 am
1 stop13h 05m
Reykjavik Keflavik Intl
Sat 9/26
4:45 pm-8:05 am
1 stop20h 20m
$840
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Thu 9/24
6:05 pm-9:30 am
1 stop10h 25m
Reykjavik Keflavik Intl
Thu 10/1
11:25 am-11:10 pm
1 stop16h 45m
$852
Quickest round-trip
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Mon 9/21
2:02 pm-7:00 am
1 stop11h 58m
Reykjavik Keflavik Intl
Mon 9/28
9:30 am-5:18 pm
1 stop12h 48m
$865
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Fri 10/16
3:37 pm-8:50 am
1 stop12h 13m
Reykjavik Keflavik Intl
Tue 10/20
10:00 am-12:27 pm
2 stops31h 27m
$866
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Tue 9/8
10:15 am-6:05 am
1 stop14h 50m
Reykjavik Keflavik Intl
Sun 9/13
4:45 pm-8:20 am
1 stop20h 35m
$888
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Mon 9/7
11:55 am-6:00 am
1 stop13h 05m
Reykjavik Keflavik Intl
Mon 9/21
7:55 pm-1:27 pm
1 stop22h 32m
$973
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Tue 9/1
5:20 pm-8:50 am
1 stop10h 30m
Reykjavik Keflavik Intl
Tue 9/8
10:00 am-1:12 pm
2 stops32h 12m
$979
Cheapest one-way
AustinReykjavik
AUS Austin Bergstrom - KEF Reykjavik Keflavik Intl
AUSKEF
Austin Bergstrom
Sun 9/6
7:00 am-8:50 am
2 stops20h 50m
$465
Showing 1-10 of 14 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 5, 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.
Crew
8.5
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Crew
8.5
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Crew
8.5
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
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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Popular flight searches
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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 2,558,603 searches. Data last updated August 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$734 | Average$1,194 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$779 | Average$1,264 | FlexibilityNo cancel fee | On-time69% |