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Keflavik Intl

$374+ Cheap flights from O'ahu 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — KEF
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$792
(Booking.com)

One-way from

$374
(Trip.com)

Popular in

June

Cheapest in

July

Average price

$772
From O'ahu to Reykjavik Keflavik Intl
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One-way flight from O'ahu to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 13% potential increase in price ($184 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($88 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 3, 2025.

This Booking.com deal was found by Cheapflights users on 7/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/810:05 pmHNL - KEF
2 stops48h 10mAir Canada
Fri 8/229:30 amKEF - HNL
2 stops44h 19mAir Canada
Deal found 7/2$792
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/87:55 pmHNL - KEF
2 stops26h 15mUnited Airlines
Fri 8/2212:00 pmKEF - HNL
1 stop35h 26mUnited Airlines
Deal found 7/2$871
This CheapOair deal was found by Cheapflights users on 7/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/810:05 pmHNL - KEF
2 stops48h 10mMultiple Airlines
Fri 8/228:50 amKEF - HNL
3 stops46h 49mMultiple Airlines
Deal found 7/2$874
This Gurufare deal was found by Cheapflights users on 7/2. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:05 amHNL - KEF
2 stops41h 40mBritish Airways
Wed 11/1211:45 amKEF - HNL
2 stops41h 52mBritish Airways
Deal found 7/2$875
This WestJet deal was found by Cheapflights users on 7/2. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:45 pmHNL - KEF
2 stops23h 30mWestJet
Mon 9/229:35 amKEF - HNL
2 stops46h 01mWestJet
Deal found 7/2$978
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/234:09 pmHNL - KEF
1 stop28h 51mDelta
Sun 8/319:30 amKEF - HNL
2 stops20h 58mDelta
Deal found 7/2$996
This Ovago deal was found by Cheapflights users on 7/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/711:25 pmHNL - KEF
2 stops38h 10mLufthansa
Wed 8/2012:25 amKEF - HNL
2 stops28h 08mLufthansa
Deal found 7/2$1,059

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 July 3, 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

Fri 8/8

10:05 pm-8:15 am

2 stops48h 10m

Reykjavik Keflavik Intl

Fri 8/22

9:30 am-7:49 pm

2 stops44h 19m

$792

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Fri 8/8

7:55 pm-8:10 am

2 stops26h 15m

Reykjavik Keflavik Intl

Fri 8/22

12:00 pm-1:26 pm

1 stop35h 26m

$871

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Fri 8/8

10:05 pm-8:15 am

2 stops48h 10m

Reykjavik Keflavik Intl

Fri 8/22

8:50 am-9:39 pm

3 stops46h 49m

$874

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Tue 11/4

7:05 am-10:45 am

2 stops41h 40m

Reykjavik Keflavik Intl

Wed 11/12

11:45 am-7:37 pm

2 stops41h 52m

$875

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Thu 9/18

10:45 pm-8:15 am

2 stops23h 30m

Reykjavik Keflavik Intl

Mon 9/22

9:35 am-9:36 pm

2 stops46h 01m

$978

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Sat 8/23

4:09 pm-7:00 am

1 stop28h 51m

Reykjavik Keflavik Intl

Sun 8/31

9:30 am-8:28 pm

2 stops20h 58m

$996

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Thu 8/7

11:25 pm-11:35 pm

2 stops38h 10m

Reykjavik Keflavik Intl

Wed 8/20

12:25 am-6:33 pm

2 stops28h 08m

$1,059

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Sat 9/13

10:45 pm-8:15 am

2 stops23h 30m

$374

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Tue 8/19

10:06 pm-9:30 am

2 stops25h 24m

$605

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Tue 8/19

3:25 pm-9:30 am

1 stop32h 05m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 13 results
1
2

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 July 3, 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.

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 July 3, 2025.
Read reviews from past customers who have flown Delta, KLM, and United Airlines from O'ahu to Reykjavik Keflavik Intl Airport. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,917 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,678 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from O'ahu to Reykjavik Keflavik Intl Airport one-way?

    One-way options have recently been found by users for as low as $374 on WestJet. Other airlines that offer cheap prices include Delta from $605 and KLM from $646 one-way.

  • 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 $653). 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 O'ahu?

Book flights to O'ahu if you plan to visit one of these locations
Keflavik
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