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Keflavik Intl

$347+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — KEF
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$1,195
(WestJet)

One-way from

$493
(Kiwi.com)
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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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 May 1, 2025.

This Expedia deal was found by Cheapflights users on 4/30. 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.
Sun 11/211:45 pmHNL - KEF
2 stops49h 05mBritish Airways
Wed 11/1211:45 amKEF - HNL
2 stops41h 52mBritish Airways
Deal found 4/30$809
This United Airlines deal was found by Cheapflights users on 4/30. 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 8/309:40 pmHNL - KEF
2 stops24h 50mUnited Airlines
Tue 9/910:00 amKEF - HNL
2 stops40h 05mUnited Airlines
Deal found 4/30$834
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Thu 8/710:05 pmHNL - KEF
2 stops24h 15mAir Canada
Thu 8/219:30 amKEF - HNL
2 stops45h 20mAir Canada
Deal found 4/29$850
This Delta deal was found by Cheapflights users on 4/30. 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 10/58:55 pmHNL - KEF
2 stops26h 35mDelta
Wed 10/158:45 amKEF - HNL
2 stops21h 05mDelta
Deal found 4/30$877
This Gurufare deal was found by Cheapflights users on 4/29. 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.
Sat 11/17:00 amHNL - KEF
2 stops44h 20mMultiple Airlines
Sat 11/812:30 amKEF - HNL
2 stops30h 40mMultiple Airlines
Deal found 4/29$1,005
This WestJet deal was found by Cheapflights users on 4/29. 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.
Sun 6/2910:45 pmHNL - KEF
2 stops47h 30mWestJet
Mon 7/79:35 amKEF - HNL
2 stops22h 02mWestJet
Deal found 4/29$1,195
This CheapOair deal was found by Cheapflights users on 4/30. 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 stops29h 00mLufthansa
Wed 8/2012:25 amKEF - HNL
2 stops30h 25mLufthansa
Deal found 4/30$1,250
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 11/42:20 pmHNL - KEF
2 stops29h 55mAlaska Airlines
Wed 11/125:05 pmKEF - HNL
1 stop15h 54mAlaska Airlines
Deal found 4/29$1,372

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 May 1, 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

Sat 8/30

9:40 pm-8:30 am

2 stops24h 50m

Reykjavik Keflavik Intl

Tue 9/9

10:00 am-4:05 pm

2 stops40h 05m

$834

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Thu 8/7

10:05 pm-8:20 am

2 stops24h 15m

Reykjavik Keflavik Intl

Thu 8/21

9:30 am-8:50 pm

2 stops45h 20m

$850

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Sun 10/5

8:55 pm-9:30 am

2 stops26h 35m

Reykjavik Keflavik Intl

Wed 10/15

8:45 am-7:50 pm

2 stops21h 05m

$877

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Thu 8/7

10:45 pm-9:25 am

1 stop24h 40m

Reykjavik Keflavik Intl

Thu 8/21

10:15 am-9:37 pm

1 stop21h 22m

$1,121

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Sun 6/29

10:45 pm-8:15 am

2 stops47h 30m

Reykjavik Keflavik Intl

Mon 7/7

9:35 am-9:37 pm

2 stops22h 02m

$1,195

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Thu 8/7

10:05 pm-1:05 pm

2 stops29h 00m

Reykjavik Keflavik Intl

Wed 8/20

12:25 am-8:50 pm

2 stops30h 25m

$1,250

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Mon 10/6

3:35 pm-9:40 am

2 stops56h 05m

Reykjavik Keflavik Intl

Sun 10/12

10:20 am-9:59 pm

2 stops45h 39m

$1,359

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Mon 10/6

10:35 pm-9:25 am

2 stops24h 50m

Reykjavik Keflavik Intl

Sun 10/12

7:45 pm-11:05 am

1 stop25h 20m

$1,777

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Sat 8/16

9:05 pm-8:15 am

1 stop25h 10m

$347

HonoluluReykjavik

HNL - KEF

HNLKEF

Honolulu

Sun 7/13

11:55 pm-8:15 am

2 stops46h 20m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 16 results
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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 May 1, 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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,826 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Icelandair
7.0
Good
487 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $675 on United Airlines. Other airlines that offer cheap prices include Delta from $698 and Icelandair from $3,171 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?

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Keflavik

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$1,325Average$1,752FlexibilityNo cancel feeOn-time76%

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