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Keflavik Intl

$833+ Cheap flights from O'ahu 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — KEF
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from O'ahu to Keflavik Intl

Keep the following information in mind while searching for O'ahu to Keflavik Intl flight deals. Data was last updated September 17, 2025.

Round-trip from

$833
(United Airlines)
From O'ahu to Reykjavik Keflavik Intl
Search Deals

Find flight deals from O'ahu to Keflavik Intl

Cheapest flights from O'ahu to Keflavik Intl
Explore the most affordable flight options available from O'ahu to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 10/199:40 pmHNL - KEF
3 stops29h 25mMultiple Airlines
Sat 11/112:30 amKEF - HNL
3 stops46h 23mMultiple Airlines
Deal found 9/15$833
This Ovago deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:05 pmHNL - KEF
2 stops29h 00mLufthansa
Sun 11/23:20 pmKEF - HNL
2 stops41h 07mLufthansa
Deal found 9/17$853
This KLM deal was found by Cheapflights users on 9/16. 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 10/73:25 pmHNL - KEF
1 stop32h 05mMultiple Airlines
Tue 10/148:45 amKEF - HNL
2 stops45h 41mMultiple Airlines
Deal found 9/16$949
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Tue 10/710:45 pmHNL - KEF
2 stops23h 30mWestJet
Tue 10/149:35 amKEF - HNL
2 stops22h 01mWestJet
Deal found 9/16$1,089
This Ovago deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/610:30 pmHNL - KEF
2 stops39h 05mLufthansa
Sat 10/111:15 amKEF - HNL
2 stops30h 15mLufthansa
Deal found 9/16$1,207

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'ahu 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 September 17, 2025.
Use the filters below to find and compare flights from O'ahu to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

O'ahu

Fly to

Keflavik Intl

Route

Depart

Return

Price

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Sun 10/19

9:40 pm-1:05 pm

3 stops29h 25m

Reykjavik Keflavik Intl

Sat 11/1

12:30 am-12:53 pm

3 stops46h 23m

$833

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Sun 10/19

10:05 pm-1:05 pm

2 stops29h 00m

Reykjavik Keflavik Intl

Sun 11/2

3:20 pm-10:27 pm

2 stops41h 07m

$853

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Tue 10/7

3:25 pm-9:30 am

1 stop32h 05m

Reykjavik Keflavik Intl

Tue 10/14

8:45 am-8:26 pm

2 stops45h 41m

$949

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Wed 1/14

3:55 pm-6:05 am

1 stop28h 10m

Reykjavik Keflavik Intl

Wed 1/21

5:00 pm-11:19 pm

1 stop16h 19m

$1,130

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Wed 10/15

8:00 am-6:40 am

2 stops36h 40m

$1,617

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Sun 10/12

3:05 pm-6:35 am

2 stops29h 30m

$1,734

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Wed 10/15

8:00 am-9:25 am

1 stop15h 25m

$2,151

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Sun 10/12

3:05 pm-9:25 am

1 stop32h 20m

$2,302

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from O'ahu to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from O'ahu with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from O'ahu to Reykjavik Keflavik Intl Airport

What is the cheapest time of day to fly from FUW to KEF?

Find hourly flight availability from O'ahu to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from O'ahu to Reykjavik Keflavik Intl Airport as you normally would.

Related info for your journey

Find useful and relevant information for your journey from O'ahu to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from O'ahu to Reykjavik Keflavik Intl Airport?

    Airlines like Lufthansa fly from O'ahu to Reykjavik Keflavik Intl Airport in about 29h. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 6070 mi.

  • Can I find deals for flights from O'ahu to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on O'ahu to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'ahu to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'ahu to Keflavik Intl.

  • Can I find deals for business class flights from O'ahu to Keflavik Intl?

    Yes. Cheapflights offers flight deals from O'ahu to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from O'ahu to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from O'ahu to Reykjavik Keflavik Intl Airport (average of $328). Flying from O'ahu to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $656). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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