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Keflavik Intl

$569+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — KEF
Feb 3 — Feb 101
Tue 2/3
Tue 2/10
1 adult, Economy
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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 January 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/3. 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.
Wed 2/186:15 amOAK - KEF
1 stop16h 00mMultiple Airlines
Wed 2/255:00 pmKEF - OAK
1 stop13h 49mMultiple Airlines
Deal found 1/3$665
This Kiwi.com deal was found by Cheapflights users on 1/1. 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 2/166:15 amOAK - KEF
1 stop16h 00mMultiple Airlines
Mon 2/235:00 pmKEF - OAK
1 stop13h 52mMultiple Airlines
Deal found 1/1$816
This SmartFares deal was found by Cheapflights users on 1/3. 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.
Sun 2/226:15 amOAK - KEF
1 stop16h 00mAlaska Airlines
Sat 2/285:00 pmKEF - OAK
1 stop13h 49mAlaska Airlines
Deal found 1/3$883
This SmartFares deal was found by Cheapflights users on 1/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/278:10 amOAK - KEF
1 stop14h 05mAlaska Airlines
Tue 2/105:00 pmKEF - OAK
1 stop25h 28mAlaska Airlines
Deal found 1/2$893
This SmartFares deal was found by Cheapflights users on 1/3. 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.
Sat 5/161:00 pmOAK - KEF
1 stop13h 25mAlaska Airlines
Wed 5/204:50 pmKEF - OAK
1 stop14h 04mAlaska Airlines
Deal found 1/3$898
This SmartFares deal was found by Cheapflights users on 1/3. 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 10/12:38 pmOAK - KEF
1 stop11h 47mAlaska Airlines
Tue 10/134:50 pmKEF - OAK
1 stop14h 09mAlaska Airlines
Deal found 1/3$910
This Delta deal was found by Cheapflights users on 1/1. 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.
Tue 9/225:55 amOAK - KEF
2 stops18h 05mDelta
Tue 9/299:30 amKEF - OAK
2 stops14h 01mDelta
Deal found 1/1$919
This SmartFares deal was found by Cheapflights users on 1/1. 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.
Fri 5/17:00 amOAK - KEF
1 stop16h 15mAlaska Airlines
Sun 5/107:45 pmKEF - OAK
1 stop20h 28mAlaska Airlines
Deal found 1/1$924
This Delta deal was found by Cheapflights users on 1/1. 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 9/125:05 pmOAK - KEF
2 stops30h 55mDelta
Mon 9/219:30 amKEF - OAK
2 stops21h 19mDelta
Deal found 1/1$925
This Delta deal was found by Cheapflights users on 1/1. 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.
Wed 9/165:05 pmOAK - KEF
2 stops30h 55mDelta
Wed 9/309:30 amKEF - OAK
2 stops14h 01mDelta
Deal found 1/1$934
This Alaska Airlines deal was found by Cheapflights users on 1/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/28:10 amOAK - KEF
1 stop14h 05mAlaska Airlines
Fri 2/65:00 pmKEF - OAK
1 stop31h 28mAlaska Airlines
Deal found 1/2$943
This SmartFares deal was found by Cheapflights users on 1/3. 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.
Mon 6/297:50 pmOAK - KEF
1 stop11h 10mAlaska Airlines
Mon 7/137:45 pmKEF - OAK
1 stop20h 51mAlaska Airlines
Deal found 1/3$950

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 January 4, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$665
(Kiwi.com)

One-way from

$569
(Alaska Airlines)

Popular in

December

Cheapest in

August

Average price

$943
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. 3% potential increase in price ($39 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 January 2026
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 January 4, 2026.
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

Sun 2/22

6:15 am-6:15 am

1 stop16h 00m

Reykjavik Keflavik Intl

Sat 2/28

5:00 pm-10:49 pm

1 stop13h 49m

$883

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Tue 1/27

8:10 am-6:15 am

1 stop14h 05m

Reykjavik Keflavik Intl

Tue 2/10

5:00 pm-10:28 am

1 stop25h 28m

$893

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Sat 5/16

1:00 pm-9:25 am

1 stop13h 25m

Reykjavik Keflavik Intl

Wed 5/20

4:50 pm-11:54 pm

1 stop14h 04m

$898

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Tue 6/9

1:00 pm-9:25 am

1 stop13h 25m

Reykjavik Keflavik Intl

Tue 6/16

4:50 pm-10:02 pm

1 stop12h 12m

$924

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Mon 6/29

7:50 pm-2:00 pm

1 stop11h 10m

Reykjavik Keflavik Intl

Mon 7/13

7:45 pm-9:36 am

1 stop20h 51m

$950

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-8:40 pm

1 stop11h 40m

$953

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Wed 2/18

5:31 pm-9:45 pm

2 stops20h 14m

Reykjavik Keflavik Intl

Wed 2/25

5:00 pm-10:49 pm

1 stop13h 49m

$962

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Tue 6/2

1:00 pm-2:00 pm

1 stop18h 00m

Reykjavik Keflavik Intl

Tue 6/9

10:40 am-11:54 pm

1 stop20h 14m

$972

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Thu 4/23

2:09 pm-9:25 am

1 stop12h 16m

Reykjavik Keflavik Intl

Tue 4/28

4:50 pm-10:32 pm

1 stop12h 42m

$977

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Mon 2/16

6:15 am-6:15 am

1 stop16h 00m

Reykjavik Keflavik Intl

Mon 2/23

5:15 pm-4:37 pm

2 stops31h 22m

$989

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/2

Showing 1-10 of 21 results
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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 January.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 May is currently the most expensive (average of $807). 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.

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 May is currently the most expensive (average of $807). 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

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