HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$671+ Cheap flights from Oakland, CA (OAK) 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — KEF
Dec 11 — Dec 181
Thu 12/11
Thu 12/18
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

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 November 11, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$671
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$854
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
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 ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 November 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:40 amOAK - KEF
1 stop15h 35mMultiple Airlines
Mon 12/155:00 pmKEF - OAK
1 stop14h 59mMultiple Airlines
Deal found 11/9$671
This Icelandair deal was found by Cheapflights users on 11/11. 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.
Thu 12/119:00 amOAK - KEF
1 stop13h 05mMultiple Airlines
Thu 12/185:00 pmKEF - OAK
2 stops26h 35mMultiple Airlines
Deal found 11/11$1,011
This oojo deal was found by Cheapflights users on 11/9. 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.
Wed 12/1011:21 amOAK - KEF
1 stop10h 54mIcelandair
Wed 12/175:00 pmKEF - OAK
1 stop14h 59mIcelandair
Deal found 11/9$1,042
This SmartFares deal was found by Cheapflights users on 11/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:30 amOAK - KEF
1 stop12h 45mAlaska Airlines
Thu 12/45:00 pmKEF - OAK
1 stop14h 59mAlaska Airlines
Deal found 11/10$1,061
This Icelandair deal was found by Cheapflights users on 11/10. 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.
Sun 12/145:35 amOAK - KEF
1 stop16h 30mMultiple Airlines
Sat 12/205:00 pmKEF - OAK
2 stops26h 35mMultiple Airlines
Deal found 11/10$1,071
This Alaska Airlines deal was found by Cheapflights users on 11/9. 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.
Mon 12/86:40 amOAK - KEF
2 stops15h 35mAlaska Airlines
Mon 12/154:50 pmKEF - OAK
2 stops15h 09mAlaska Airlines
Deal found 11/9$1,076
This oojo deal was found by Cheapflights users on 11/10. 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.
Thu 12/1111:21 amOAK - KEF
1 stop10h 54mIcelandair
Wed 12/175:00 pmKEF - OAK
1 stop14h 59mIcelandair
Deal found 11/10$1,310

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 November 11, 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

Mon 12/8

6:40 am-6:15 am

2 stops15h 35m

Reykjavik Keflavik Intl

Mon 12/15

4:50 pm-8:46 am

1 stop23h 56m

$876

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Mon 1/5

6:10 am-6:15 am

1 stop16h 05m

Reykjavik Keflavik Intl

Mon 1/19

5:00 pm-9:46 am

2 stops24h 46m

$887

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Fri 2/27

6:15 am-6:15 am

1 stop16h 00m

Reykjavik Keflavik Intl

Mon 3/9

5:00 pm-10:49 pm

1 stop12h 49m

$910

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Sun 4/19

7:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Sat 4/25

4:50 pm-11:39 pm

1 stop13h 49m

$945

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Sun 1/18

8:10 am-6:15 am

1 stop14h 05m

Reykjavik Keflavik Intl

Sat 1/24

5:00 pm-10:28 am

1 stop25h 28m

$946

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Wed 2/4

8:40 am-6:05 am

2 stops13h 25m

Reykjavik Keflavik Intl

Mon 2/9

5:00 pm-4:23 pm

1 stop31h 23m

$979

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Wed 2/4

11:08 am-6:15 am

1 stop11h 07m

Reykjavik Keflavik Intl

Mon 2/23

5:00 pm-11:38 pm

1 stop14h 38m

$988

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Thu 12/11

9:00 am-6:05 am

1 stop13h 05m

Reykjavik Keflavik Intl

Thu 12/18

5:00 pm-11:35 am

2 stops26h 35m

$1,011

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Wed 12/10

11:21 am-6:15 am

1 stop10h 54m

Reykjavik Keflavik Intl

Wed 12/17

5:00 pm-11:59 pm

1 stop14h 59m

$1,042

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Sat 3/7

9:54 am-6:15 am

1 stop12h 21m

Reykjavik Keflavik Intl

Thu 3/12

5:00 pm-10:49 pm

1 stop12h 49m

$1,046

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 20 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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 $851). 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 November 11, 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.

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 November 11, 2025.
Read reviews from past customers who have flown Icelandair from Oakland to Reykjavik Keflavik Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.1
Good
578 reviews

Crew

8.0

Comfort

6.9

Boarding

7.2

Entertainment

7.0

Food

6.2

Overall

7.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
Icelandair
7.1
Good
578 reviews
Icelandair
7.1
Good
578 reviews

Crew

8.0

Comfort

6.9

Boarding

7.2

Entertainment

7.0

Food

6.2

Overall

7.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

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 1 airline has 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.

  • What is the cheapest airline to fly from Oakland, California to Reykjavik Keflavik Intl Airport round-trip?

    Icelandair, at $906, was found to be the cheapest airline from Oakland, California to Reykjavik Keflavik Intl Airport..

  • 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 $851). 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.

Top airline flying from Oakland to Keflavik Intl

Discover the top airline that operate flights from Oakland 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 November 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$906Average$1,137FlexibilityNo 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.