HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$334+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — KEF
Apr 21 — Apr 281
Mon 4/21
Mon 4/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'ahu 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 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 April 16, 2025.

Round-trip from

$850
(Air Canada)

One-way from

$334
(Mytrip)
From O'ahu to Reykjavik Keflavik Intl
Search Deals
One-way flight 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 April 16, 2025.

This CheapOair deal was found by Cheapflights users on 4/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/710:05 pmHNL - KEF
2 stops24h 05mAir Canada
Thu 8/219:30 amKEF - HNL
2 stops21h 20mAir Canada
Deal found 4/16$850
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/308:05 pmHNL - KEF
2 stops26h 25mUnited Airlines
Tue 9/910:00 amKEF - HNL
2 stops43h 49mUnited Airlines
Deal found 4/16$884
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/74:10 pmHNL - KEF
1 stop28h 50mDelta
Thu 8/219:30 amKEF - HNL
2 stops21h 50mDelta
Deal found 4/15$889
This CheapOair deal was found by Cheapflights users on 4/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/110:45 pmHNL - KEF
2 stops23h 30mWestJet
Tue 8/129:35 amKEF - HNL
2 stops22h 02mWestJet
Deal found 4/16$896
This Gurufare deal was found by Cheapflights users on 4/16. 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 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 stops44h 30mBritish Airways
Deal found 4/16$911
This Booking.com deal was found by Cheapflights users on 4/14. 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.
Mon 7/2110:05 pmHNL - KEF
2 stops48h 05mMultiple Airlines
Sun 8/1712:45 amKEF - HNL
2 stops30h 59mMultiple Airlines
Deal found 4/14$1,063
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:00 pmHNL - KEF
1 stop29h 15mAlaska Airlines
Wed 11/124:50 pmKEF - HNL
2 stops31h 05mAlaska Airlines
Deal found 4/16$1,347
This Gurufare deal was found by Cheapflights users on 4/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/710:05 pmHNL - KEF
2 stops40h 05mLufthansa
Wed 8/2012:25 amKEF - HNL
2 stops29h 24mLufthansa
Deal found 4/16$1,409

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 April 16, 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

Thu 8/7

10:05 pm-8:10 am

2 stops24h 05m

Reykjavik Keflavik Intl

Thu 8/21

9:30 am-8:50 pm

2 stops21h 20m

$850

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Sat 8/30

8:05 pm-8:30 am

2 stops26h 25m

Reykjavik Keflavik Intl

Tue 9/9

10:00 am-7:49 pm

2 stops43h 49m

$884

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Thu 8/7

4:10 pm-7:00 am

1 stop28h 50m

Reykjavik Keflavik Intl

Thu 8/21

9:30 am-9:20 pm

2 stops21h 50m

$889

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Fri 8/1

10:45 pm-8:15 am

2 stops23h 30m

Reykjavik Keflavik Intl

Tue 8/12

9:35 am-9:37 pm

2 stops22h 02m

$896

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Mon 7/21

10:05 pm-8:10 am

2 stops48h 05m

Reykjavik Keflavik Intl

Sun 8/17

12:45 am-9:44 pm

2 stops30h 59m

$1,063

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Thu 8/7

10:05 pm-12:10 am

2 stops40h 05m

Reykjavik Keflavik Intl

Wed 8/20

12:25 am-7:49 pm

2 stops29h 24m

$1,409

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Tue 4/29

9:44 pm-5:55 am

1 stop22h 11m

Reykjavik Keflavik Intl

Fri 5/2

4:50 pm-11:56 pm

1 stop17h 06m

$1,505

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Tue 5/27

10:45 pm-8:15 am

2 stops23h 30m

$334

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Tue 8/19

10:30 pm-8:10 am

3 stops23h 40m

$556

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Tue 8/19

4:10 pm-7:00 am

1 stop28h 50m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 14 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 April 16, 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.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 April 16, 2025.
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,665 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
WestJet
7.2
Good
2,806 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Air Canada
7.0
Good
9,134 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 $334 on WestJet. Other airlines that offer cheap prices include Air Canada from $556 and Delta from $573 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 July is currently the most expensive (average of $651). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'ahu to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Honolulu to Keflavik Intl flights
Kahului to Keflavik Intl flights

Top airline flying from O'ahu to Keflavik Intl

Discover the top airline that operate flights from O'ahu 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 April 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$1,325Average$1,610FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.