HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$480+ Cheap flights from Oakland, CA (OAK) 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — KEF
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oakland 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 Oakland to Keflavik Intl

Cheapest flights from Oakland to Keflavik Intl
Explore the most affordable flight options available from Oakland to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 27, 2025.

This oojo deal was found by Cheapflights users on 12/26. 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.
Mon 12/299:49 amOAK - KEF
1 stop12h 26mIcelandair
Mon 1/55:00 pmKEF - OAK
1 stop14h 59mIcelandair
Deal found 12/26$2,264
This Icelandair deal was found by Cheapflights users on 12/26. 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.
Fri 12/269:49 amOAK - KEF
1 stop12h 26mMultiple Airlines
Sat 1/105:00 pmKEF - OAK
1 stop25h 28mMultiple Airlines
Deal found 12/26$2,525
This FlightHub deal was found by Cheapflights users on 12/24. 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.
Thu 12/259:49 amOAK - KEF
1 stop12h 26mIcelandair
Fri 1/25:00 pmKEF - OAK
1 stop14h 59mIcelandair
Deal found 12/24$3,000
This oojo deal was found by Cheapflights users on 12/26. 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.
Sat 12/273:01 pmOAK - KEF
1 stop31h 14mIcelandair
Fri 1/25:00 pmKEF - OAK
1 stop14h 59mIcelandair
Deal found 12/26$3,107
This FlightHub deal was found by Cheapflights users on 12/24. 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.
Fri 12/269:49 amOAK - KEF
1 stop12h 26mIcelandair
Fri 1/25:00 pmKEF - OAK
1 stop14h 59mIcelandair
Deal found 12/24$3,450
This British Airways deal was found by Cheapflights users on 12/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:01 pmOAK - KEF
2 stops35h 54mBritish Airways
Fri 1/26:10 pmKEF - OAK
2 stops37h 49mBritish Airways
Deal found 12/24$8,924
This British Airways deal was found by Cheapflights users on 12/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:49 amOAK - KEF
2 stops40h 51mBritish Airways
Fri 1/26:10 pmKEF - OAK
2 stops37h 49mBritish Airways
Deal found 12/24$13,607

Find flight deals from Oakland to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) 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 December 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$882
(SmartFares)

One-way from

$480
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,243
Provider with most accurate pricing for Oakland-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oakland-Reykjavik Keflavik Intl flights.
Search Deals
From Oakland to Reykjavik Keflavik Intl
Search Deals
One-way flight from Oakland to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland 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 December 27, 2025.
Use the filters below to find and compare flights from Oakland to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Oakland

Fly to

Keflavik Intl

Route

Depart

Return

Price

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Wed 2/25

6:15 am-6:15 am

1 stop16h 00m

Reykjavik Keflavik Intl

Sat 2/28

5:00 pm-10:49 pm

1 stop13h 49m

$882

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Sat 4/18

9:43 am-6:05 am

1 stop13h 22m

Reykjavik Keflavik Intl

Sat 4/25

4:50 pm-10:32 pm

1 stop12h 42m

$908

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Wed 5/20

7:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Thu 6/11

4:50 pm-10:02 pm

1 stop12h 12m

$923

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Mon 6/15

7:50 pm-2:00 pm

1 stop11h 10m

Reykjavik Keflavik Intl

Thu 6/25

4:50 pm-10:02 pm

1 stop12h 12m

$923

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Sat 3/14

5:31 pm-6:15 am

1 stop29h 44m

Reykjavik Keflavik Intl

Fri 3/20

5:00 pm-11:43 pm

1 stop13h 43m

$938

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Mon 2/2

8:10 am-6:15 am

1 stop14h 05m

Reykjavik Keflavik Intl

Fri 2/6

5:00 pm-10:28 am

1 stop25h 28m

$942

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Mon 3/23

6:40 pm-6:15 am

1 stop28h 35m

Reykjavik Keflavik Intl

Thu 4/2

4:50 pm-11:43 pm

1 stop13h 53m

$944

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Fri 6/5

7:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Sat 6/13

7:45 pm-9:36 am

1 stop20h 51m

$949

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Tue 6/9

7:59 pm-2:00 pm

1 stop11h 01m

Reykjavik Keflavik Intl

Wed 6/17

7:45 pm-10:02 pm

1 stop33h 17m

$980

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Wed 4/15

11:01 am-6:15 am

1 stop12h 14m

Reykjavik Keflavik Intl

Tue 4/21

4:50 pm-11:43 pm

1 stop13h 53m

$991

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 16 results
1
2

Compare providers for flights from Oakland 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 Oakland to Keflavik Intl in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Oakland, California-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Oakland, California-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Oakland, California-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oakland, California-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Oakland, California-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 Oakland to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Oakland 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 Oakland to Reykjavik Keflavik Intl Airport

What is the cheapest month to book a flight from Oakland, California to Reykjavik Keflavik Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Oakland, California to Reykjavik Keflavik Intl Airport (average of $167). Flying from Oakland, California to Reykjavik Keflavik Intl Airport in January is currently the most expensive (average of $784). 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.

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

Find hourly flight availability from Oakland 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 December 27, 2025.

When flying from Oakland, California to Reykjavik Keflavik Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 27% versus a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Oakland 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 airport do you fly from for flights from Oakland to Reykjavik Keflavik Intl?

    Oakland (OAK) is the airport you will fly out of if you book a flight from Oakland to Reykjavik Keflavik Intl. You should not have trouble finding flights to Reykjavik Keflavik Intl from Oakland; the airport handles an average of 0 outbound flights to Reykjavik Keflavik Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Oakland airport to Reykjavik Keflavik Intl. It is only a 7.0 mi journey to Oakland (OAK) from Oakland’s city center.

  • How long is the flight from Oakland, California to Reykjavik Keflavik Intl Airport?

    Departing from Oakland, California to Reykjavik Keflavik Intl Airport will take you 16h. Airlines will cover a distance of 4180 mi.

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

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

  • How can I find direct flights from Oakland to Keflavik Intl?

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

  • Can I find deals for business class flights from Oakland to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Oakland 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 Oakland, California to Reykjavik Keflavik Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Oakland, California to Reykjavik Keflavik Intl Airport (average of $167). Flying from Oakland, California to Reykjavik Keflavik Intl Airport in January is currently the most expensive (average of $784). 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

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.

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.