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$591+ Cheap flights from Ontario (ONT) to Iceland

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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KEF
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
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 10, 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 12/86:00 amONT - KEF
1 stop16h 15mMultiple Airlines
Mon 12/155:00 pmKEF - ONT
1 stop14h 29mMultiple Airlines
Deal found 11/9$661
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:00 amONT - KEF
2 stops16h 15mAlaska Airlines
Mon 12/154:50 pmKEF - ONT
2 stops26h 29mAlaska Airlines
Deal found 11/10$1,044
This Trip.com deal was found by Cheapflights users on 11/7. 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 11/118:45 amONT - KEF
1 stop13h 20mMultiple Airlines
Thu 11/134:55 pmKEF - ONT
2 stops22h 34mMultiple Airlines
Deal found 11/7$1,121
This Icelandair 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:15 amONT - KEF
1 stop10h 50mMultiple Airlines
Tue 12/164:55 pmKEF - ONT
1 stop13h 10mMultiple Airlines
Deal found 11/9$1,291
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:59 amONT - KEF
1 stop11h 16mMultiple Airlines
Mon 11/174:50 pmKEF - ONT
1 stop15h 06mMultiple Airlines
Deal found 11/10$1,307
This American Airlines deal was found by Cheapflights users on 11/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:47 pmONT - KEF
2 stops34h 03mAmerican Airlines
Mon 12/1511:50 amKEF - ONT
2 stops30h 04mAmerican Airlines
Deal found 11/8$1,402

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 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$661
(Kiwi.com)

One-way from

$591
(Delta)

Popular in

December

Cheapest in

September

Average price

$1,002
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
One-way flight from Ontario to Iceland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($80 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 10, 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

Mon 12/8

6:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Mon 12/15

5:00 pm-11:29 pm

1 stop14h 29m

$661

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Fri 1/16

9:45 am-6:05 am

1 stop12h 20m

Reykjavik Keflavik Intl

Tue 1/20

4:55 pm-9:45 pm

1 stop12h 50m

$965

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Fri 1/23

8:55 am-6:05 am

1 stop13h 10m

Reykjavik Keflavik Intl

Mon 1/26

5:00 pm-11:56 pm

1 stop14h 56m

$1,015

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Mon 12/8

6:00 am-6:15 am

2 stops16h 15m

Reykjavik Keflavik Intl

Mon 12/15

4:50 pm-11:19 am

2 stops26h 29m

$1,044

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sun 3/29

10:30 pm-9:30 am

2 stops28h 00m

$591

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Thu 3/26

11:30 am-6:15 am

1 stop11h 45m

$678

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sun 12/14

5:50 am-6:05 am

1 stop16h 15m

$700

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sat 3/28

10:30 pm-9:30 am

2 stops28h 00m

$710

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Fri 3/27

10:30 pm-9:30 am

2 stops52h 00m

$716

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Mon 12/22

4:05 pm-6:05 am

1 stop30h 00m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 16 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 10, 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.

  • 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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