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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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — REK
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
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 December 22, 2025.

This Trip.com deal was found by Cheapflights users on 12/20. 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.
Wed 12/246:45 amONT - KEF
1 stop15h 20mMultiple Airlines
Fri 12/264:55 pmKEF - ONT
1 stop15h 04mMultiple Airlines
Deal found 12/20$1,335
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 amONT - KEF
2 stops44h 45mBritish Airways
Mon 12/2910:00 amKEF - ONT
2 stops44h 14mBritish Airways
Deal found 12/21$1,734
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:45 pmONT - KEF
2 stops62h 10mBritish Airways
Mon 12/2910:00 amKEF - ONT
2 stops45h 46mBritish Airways
Deal found 12/21$1,749
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:50 amONT - KEF
2 stops40h 05mBritish Airways
Sun 12/2811:50 amKEF - ONT
2 stops42h 02mBritish Airways
Deal found 12/21$1,813
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:45 pmONT - KEF
2 stops62h 10mBritish Airways
Sun 12/2811:50 amKEF - ONT
2 stops43h 56mBritish Airways
Deal found 12/21$1,828
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:42 pmONT - KEF
2 stops36h 13mBritish Airways
Tue 12/3010:00 amKEF - ONT
2 stops40h 16mBritish Airways
Deal found 12/21$1,833
This Icelandair deal was found by Cheapflights users on 12/21. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:44 amONT - KEF
1 stop11h 31mMultiple Airlines
Thu 1/84:55 pmKEF - ONT
1 stop12h 50mMultiple Airlines
Deal found 12/21$1,837
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:45 pmONT - KEF
2 stops62h 10mBritish Airways
Tue 12/3010:00 amKEF - ONT
2 stops40h 16mBritish Airways
Deal found 12/21$1,848
This Icelandair deal was found by Cheapflights users on 12/21. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:45 amONT - KEF
1 stop16h 20mMultiple Airlines
Mon 12/294:55 pmKEF - ONT
1 stop24h 15mMultiple Airlines
Deal found 12/21$1,863
This Icelandair deal was found by Cheapflights users on 12/20. 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.
Tue 12/239:30 amONT - KEF
1 stop13h 00mMultiple Airlines
Thu 12/255:00 pmKEF - ONT
1 stop15h 14mMultiple Airlines
Deal found 12/20$1,920
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:42 pmONT - KEF
2 stops60h 13mBritish Airways
Mon 12/2910:00 amKEF - ONT
2 stops44h 14mBritish Airways
Deal found 12/21$2,163

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 December 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$721
(Kiwi.com)

One-way from

$536
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$1,062
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. 8% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 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 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 December 22, 2025.
Use the filters below to find and compare flights from Ontario to Reykjavik that are best for you.

Fly from

Ontario

Fly to

Reykjavik

Route

Depart

Return

Price

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Tue 1/20

3:07 pm-6:05 am

2 stops30h 58m

Reykjavik Keflavik Intl

Tue 1/27

4:55 pm-3:07 pm

1 stop30h 12m

$721

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Wed 3/4

1:45 pm-1:10 am

2 stops27h 25m

Reykjavik Keflavik Intl

Tue 3/10

3:20 pm-5:41 pm

2 stops33h 21m

$749

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Wed 3/4

6:14 am-6:15 am

1 stop16h 01m

Reykjavik Keflavik Intl

Tue 3/10

5:00 pm-10:44 pm

1 stop12h 44m

$796

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sun 5/17

11:05 am-8:30 am

2 stops14h 25m

Reykjavik Keflavik Intl

Mon 6/1

11:30 am-10:26 pm

2 stops17h 56m

$858

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Wed 5/13

11:05 am-8:30 am

2 stops14h 25m

Reykjavik Keflavik Intl

Fri 5/22

12:00 pm-10:26 pm

1 stop17h 26m

$862

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Wed 3/4

6:14 am-6:15 am

1 stop16h 01m

Reykjavik Keflavik Intl

Tue 3/10

5:00 pm-10:44 pm

1 stop12h 44m

$882

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Fri 6/5

12:01 pm-9:00 am

1 stop13h 59m

Reykjavik Keflavik Intl

Sun 6/14

12:45 pm-11:56 pm

1 stop18h 11m

$884

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sat 3/28

6:15 am-6:05 am

1 stop16h 50m

Reykjavik Keflavik Intl

Sun 4/5

4:50 pm-11:59 pm

1 stop14h 09m

$909

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Fri 5/15

6:05 am-8:30 am

2 stops43h 25m

Reykjavik Keflavik Intl

Sun 5/31

12:00 pm-10:26 pm

1 stop17h 26m

$935

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Tue 6/9

5:00 am-8:30 am

2 stops20h 30m

Reykjavik Keflavik Intl

Fri 6/19

11:30 am-10:26 pm

2 stops17h 56m

$958

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 22 results
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Compare providers for flights from Ontario to Reykjavik

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 Ontario to Reykjavik in December.
ProviderPrice AccuracyTrust Score*
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 Ontario-Reykjavik flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Reykjavik flight deals on Cheapflights vs. eDreams >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 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 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 $493). 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.

What is the cheapest time of day to fly from ONT to REK?

Find hourly flight availability from Ontario to Reykjavik. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2025.

It’s typically best to fly out from Ontario to Reykjavik in the afternoon. Doing so could potentially save you 55% on the flight price compared to flying in the evening, which is usually more expensive.

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 14h 25m. The distance from Ontario to Reykjavik is about 4271 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $493). 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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