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$501+ Cheap flights from Ontario (ONT) to Iceland

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KEF
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Find flight deals from Ontario to Iceland

Cheapest flights from Ontario to Iceland
Explore the most affordable flight options available from Ontario to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This Trip.com deal was found by Cheapflights users on 11/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:58 amONT - KEF
1 stop21h 07mMultiple Airlines
Tue 1/134:55 pmKEF - ONT
1 stop14h 04mMultiple Airlines
Deal found 11/24$786
This Trip.com deal was found by Cheapflights users on 11/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:45 amONT - KEF
1 stop15h 20mMultiple Airlines
Sat 12/274:55 pmKEF - ONT
1 stop15h 04mMultiple Airlines
Deal found 11/26$849
This Trip.com deal was found by Cheapflights users on 11/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:45 amONT - KEF
1 stop15h 20mMultiple Airlines
Sun 12/284:55 pmKEF - ONT
1 stop15h 04mMultiple Airlines
Deal found 11/24$959
This Icelandair deal was found by Cheapflights users on 11/26. 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.
Sat 12/610:45 amONT - KEF
1 stop11h 20mMultiple Airlines
Wed 12/104:55 pmKEF - ONT
1 stop13h 10mMultiple Airlines
Deal found 11/26$1,160
This Trip.com deal was found by Cheapflights users on 11/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:45 amONT - KEF
2 stops15h 50mMultiple Airlines
Fri 12/264:55 pmKEF - ONT
1 stop15h 04mMultiple Airlines
Deal found 11/26$1,254
This Icelandair deal was found by Cheapflights users on 11/26. 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.
Thu 12/411:15 amONT - KEF
1 stop10h 50mMultiple Airlines
Mon 12/84:55 pmKEF - ONT
1 stop13h 10mMultiple Airlines
Deal found 11/26$1,308
This oojo deal was found by Cheapflights users on 11/26. 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.
Thu 12/117:10 amONT - KEF
1 stop15h 05mIcelandair
Mon 12/154:50 pmKEF - ONT
1 stop27h 56mIcelandair
Deal found 11/26$1,337

Cheap flight deals from Ontario to Iceland

Keep the following information in mind while searching for Ontario to Iceland flight deals. Data was last updated November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$501
(flugladen.de)

Popular in

December

Cheapest in

September

Average price

$1,059
Provider with most accurate pricing for Los Angeles-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Reykjavik (REK) flights.
Search Deals
From Ontario to Iceland
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($94 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 November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Iceland 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 26, 2025.
Use the filters below to find and compare flights from Ontario to Iceland that are best for you.

Fly from

Ontario

Fly to

Iceland

Route

Depart

Return

Price

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sun 1/18

6:10 am-6:05 am

1 stop15h 55m

Reykjavik Keflavik Intl

Sat 1/31

4:55 pm-11:24 pm

1 stop14h 29m

$501

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Fri 2/6

6:20 am-6:05 am

1 stop15h 45m

Reykjavik Keflavik Intl

Sat 2/14

4:55 pm-11:59 pm

1 stop15h 04m

$519

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Thu 3/5

6:00 am-6:05 am

1 stop16h 05m

Reykjavik Keflavik Intl

Thu 3/12

4:55 pm-11:59 pm

1 stop14h 04m

$623

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sat 1/10

4:03 pm-6:15 am

1 stop30h 12m

Reykjavik Keflavik Intl

Fri 1/16

5:00 pm-1:06 pm

2 stops28h 06m

$651

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Thu 5/14

7:00 am-8:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

Mon 5/18

12:00 pm-10:26 pm

1 stop17h 26m

$770

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sun 3/29

10:30 pm-9:30 am

2 stops28h 00m

Reykjavik Keflavik Intl

Sun 4/5

11:25 am-11:35 am

2 stops31h 10m

$778

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Mon 5/11

4:15 pm-8:30 am

2 stops33h 15m

Reykjavik Keflavik Intl

Tue 5/19

12:00 pm-12:20 pm

2 stops31h 20m

$788

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Fri 3/6

6:14 am-6:15 am

1 stop16h 01m

Reykjavik Keflavik Intl

Tue 3/10

5:00 pm-10:44 pm

1 stop12h 44m

$806

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Tue 12/23

6:45 am-6:05 am

1 stop15h 20m

Reykjavik Keflavik Intl

Sat 12/27

4:55 pm-7:24 am

2 stops22h 29m

$879

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sat 2/14

12:02 pm-6:15 am

1 stop34h 13m

Reykjavik Keflavik Intl

Wed 2/18

5:00 pm-10:44 pm

1 stop13h 44m

$924

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 21 results
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Best time to book a flight from Ontario to Iceland

Have a flexible travel schedule? Discover the best time to fly to Iceland 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 Iceland

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

Currently, June is the cheapest month in which you can book a flight from Ontario to Iceland (average of $532). Flying from Ontario to Iceland 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 IS?

Find hourly flight availability from Ontario to Iceland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.

When flying from Ontario to Iceland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 55% versus a flight in the evening.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Iceland. 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 Iceland?

    Most people fly from Ontario (ONT) if they book a flight from Ontario to Iceland. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Ontario to Iceland?

    For as low as $770, United Airlines can have you in Iceland from Ontario in 18h 30m. Ontario and Iceland are separated by a distance of 4271 mi.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Ontario to Iceland (average of $532). Flying from Ontario to Iceland 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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