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Reykjavik

$536+ Cheap flights from Ontario (ONT) to Reykjavik (REK)

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — REK
Apr 25 — May 21
Sat 4/25
Sat 5/2
1 adult, Economy
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Cheap flight deals from Ontario to Reykjavik

Cheapest flights from Ontario to Reykjavik
Explore the most affordable flight options available from Ontario to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:00 am
ONT
-
KEF
1 stop20h 00m
Alaska Airlines
Fri 6/512:45 pm
KEF
-
ONT
1 stop18h 13m
Alaska Airlines
Deal found 3/24$694
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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.
Sat 5/304:03 pm
ONT
-
KEF
1 stop33h 57m
Alaska Airlines
Thu 6/1112:45 pm
KEF
-
ONT
1 stop17h 26m
Alaska Airlines
Deal found 3/23$700
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/224:00 pm
ONT
-
KEF
1 stop34h 00m
Alaska Airlines
Thu 8/2712:45 pm
KEF
-
ONT
1 stop12h 28m
Alaska Airlines
Deal found 3/24$701
This Expedia deal was found by Cheapflights users on 3/23. 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.
Mon 6/88:11 pm
ONT
-
KEF
1 stop29h 49m
Alaska Airlines
Wed 6/1712:45 pm
KEF
-
ONT
1 stop31h 28m
Alaska Airlines
Deal found 3/23$707
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 7/82:09 pm
ONT
-
KEF
1 stop11h 51m
Alaska Airlines
Thu 7/1612:45 pm
KEF
-
ONT
1 stop17h 26m
Alaska Airlines
Deal found 3/25$714
This Trip.com deal was found by Cheapflights users on 3/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:39 am
ONT
-
KEF
1 stop15h 46m
Multiple Airlines
Tue 5/127:45 pm
KEF
-
ONT
1 stop22h 27m
Multiple Airlines
Deal found 3/21$717
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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.
Sat 5/304:03 pm
ONT
-
KEF
1 stop33h 57m
Alaska Airlines
Sun 6/712:45 pm
KEF
-
ONT
1 stop18h 13m
Alaska Airlines
Deal found 3/23$760
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 7/42:09 pm
ONT
-
KEF
1 stop11h 51m
Alaska Airlines
Tue 7/1412:45 pm
KEF
-
ONT
1 stop17h 26m
Alaska Airlines
Deal found 3/25$765
This Alaska Airlines deal was found by Cheapflights users on 3/22. 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 7/62:09 pm
ONT
-
KEF
1 stop11h 51m
Alaska Airlines
Mon 7/1312:45 pm
KEF
-
ONT
1 stop29h 29m
Alaska Airlines
Deal found 3/22$772
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 8/224:00 pm
ONT
-
KEF
1 stop34h 00m
Alaska Airlines
Sat 8/2912:45 pm
KEF
-
ONT
1 stop12h 28m
Alaska Airlines
Deal found 3/25$797
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 7/92:09 pm
ONT
-
KEF
1 stop11h 51m
Alaska Airlines
Tue 7/1412:45 pm
KEF
-
ONT
1 stop17h 26m
Alaska Airlines
Deal found 3/25$800
This Icelandair deal was found by Cheapflights users on 3/25. 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 5/214:03 pm
ONT
-
KEF
1 stop14h 57m
Multiple Airlines
Wed 5/274:50 pm
KEF
-
ONT
1 stop12h 00m
Multiple Airlines
Deal found 3/25$802

Find flight deals from Ontario to Reykjavik

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Reykjavik (REK). 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 March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$694
(Alaska Airlines)

One-way from

$536
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$842
Provider with most accurate pricing for Ontario-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Reykjavik (REK) flights.
Search Deals
From Ontario to Reykjavik (REK)
Search Deals
One-way flight from Ontario to Reykjavik (REK)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Reykjavik 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 March 26, 2026.
Use the filters below to find and compare flights from Ontario to Reykjavik that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Tue 6/2

6:00 am-9:00 am

1 stop20h 00m

Reykjavik Keflavik Intl

Fri 6/5

12:45 pm-11:58 pm

1 stop18h 13m

$694

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Fri 7/17

9:13 pm-9:00 am

1 stop28h 47m

Reykjavik Keflavik Intl

Tue 7/28

12:45 pm-11:11 pm

1 stop17h 26m

$772

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Wed 8/19

12:00 pm-9:00 am

1 stop14h 00m

Reykjavik Keflavik Intl

Sat 8/29

12:45 pm-10:39 pm

1 stop16h 54m

$865

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sat 7/25

9:13 pm-9:00 am

1 stop28h 47m

Reykjavik Keflavik Intl

Sun 8/9

12:45 pm-1:13 pm

1 stop31h 28m

$891
Quickest round-trip

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Mon 7/13

2:09 pm-9:00 am

1 stop11h 51m

Reykjavik Keflavik Intl

Sat 7/25

12:45 pm-11:11 pm

1 stop17h 26m

$955

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sat 8/22

7:00 am-7:40 am

2 stops17h 40m

Reykjavik Keflavik Intl

Sat 8/29

8:45 am-6:01 pm

2 stops16h 16m

$968

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Wed 8/26

12:00 pm-9:00 am

1 stop14h 00m

Reykjavik Keflavik Intl

Sat 9/5

12:45 pm-10:39 pm

1 stop16h 54m

$976

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sat 8/22

12:00 pm-9:00 am

1 stop14h 00m

Reykjavik Keflavik Intl

Sat 9/5

12:45 pm-10:39 pm

1 stop16h 54m

$1,005

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Wed 8/26

7:00 am-8:50 am

1 stop18h 50m

Reykjavik Keflavik Intl

Thu 9/3

12:00 pm-6:19 pm

1 stop13h 19m

$1,010

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Thu 8/27

7:00 am-8:50 am

1 stop18h 50m

Reykjavik Keflavik Intl

Mon 9/7

9:15 am-6:19 pm

2 stops40h 04m

$1,035

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3
  • Most accurate provider: When it comes to deals on Ontario-Reykjavik flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Reykjavik flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Reykjavik flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Reykjavik flights, Cheapflights users trust FlightHub the most. FlightHub 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 Ontario-Reykjavik 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 Ontario to Reykjavik

Have a flexible travel schedule? Discover the best time to fly to Reykjavik from Ontario 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 Ontario to Reykjavik

What is the cheapest month to book a flight from Ontario to Reykjavik?

Currently, January is the cheapest month in which you can book a flight from Ontario to Reykjavik (average of $369). Flying from Ontario to Reykjavik in December is currently the most expensive (average of $885). 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 Ontario to Reykjavik. 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 Ontario to Reykjavik?

    For a flight from Ontario to Reykjavik, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to Reykjavik per day. 0 airlines have flights to Reykjavik from Ontario on a regular basis.

  • How long is the flight from Ontario to Reykjavik?

    Departing from Ontario to Reykjavik will take you 20h. The distance from Ontario to Reykjavik is about 4271 mi.

  • Can I find deals for flights from Ontario to Reykjavik that include hotel bookings?

    Yes. In addition to deals on Ontario to Reykjavik flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Reykjavik?

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

  • Can I find deals for business class flights from Ontario to Reykjavik?

    Yes. Cheapflights offers flight deals from Ontario to Reykjavik 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 Ontario to Reykjavik?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Reykjavik (average of $369). Flying from Ontario to Reykjavik in December is currently the most expensive (average of $885). 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

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