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ONT - KEF

$655 Find cheap flights from Ontario to Reykjavik Keflavik Intl Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Keflavik Intl departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sun 5/26
Sun 6/2

Search hundreds of travel sites at once for deals on flights to Reykjavik

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Reykjavik, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Reykjavik, as well as popular online travel agencies
In the last 7 days travelers have searched 44,335,567 times on KAYAK, and here is why:

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Cheap flight deals from Ontario to Keflavik Intl (ONT-KEF)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Keflavik Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
10:49 am - 8:30 amONT-KEF
14h 41m2 stops
10:00 am - 9:31 pmKEF-ONT
18h 31m2 stops
$842United Airlines
Find Deal
Tue, Aug 20 - Fri, Aug 30
5:15 am - 8:35 amONT-KEF
44h 20m2 stops
10:00 am - 12:32 pmKEF-ONT
33h 32m2 stops
$856Air Canada
Find Deal
Thu, Sep 5 - Fri, Sep 13
6:00 am - 7:00 amONT-KEF
18h 00m3 stops
11:00 am - 9:31 pmKEF-ONT
17h 31m2 stops
$875United Airlines
Find Deal
Fri, Sep 6 - Tue, Sep 10
6:00 am - 9:30 amONT-KEF
20h 30m2 stops
11:25 am - 8:06 pmKEF-ONT
15h 41m2 stops
$876KLM
Find Deal
Thu, May 16 - Fri, May 24
5:15 am - 8:35 amONT-KEF
20h 20m2 stops
10:00 am - 12:33 pmKEF-ONT
33h 33m2 stops
$1,041
Find Deal
Sat, Jun 8 - Wed, Jun 19
6:00 am - 9:15 amONT-KEF
20h 15m1 stop
10:30 am - 7:25 pmKEF-ONT
15h 55m1 stop
$1,075
Find Deal
Sat, Jun 8 - Wed, Jun 19
12:45 pm - 9:45 amONT-KEF
38h 00m2 stops
11:05 am - 5:33 pmKEF-ONT
37h 28m2 stops
$1,251British Airways
Find Deal
Wed, Sep 11 - Wed, Sep 25
11:45 pm - 10:35 pmONT-KEF
15h 50m1 stop
9:40 am - 10:28 pmKEF-ONT
19h 48m1 stop
$1,325JetBlue
Find Deal
Mon, Aug 5 - Mon, Aug 12
11:40 pm - 10:35 pmONT-KEF
15h 55m1 stop
9:40 am - 10:09 pmKEF-ONT
19h 29m1 stop
$1,363JetBlue
Find Deal
Tue, May 7 - Wed, May 15
11:59 pm - 10:05 amONT-KEF
27h 06m2 stops
10:50 am - 11:26 pmKEF-ONT
19h 36m2 stops
$1,476British Airways
Find Deal
Mon, Sep 30 - Mon, Oct 21

Flights from Ontario to Keflavik Intl - Travel Insights & Trends

Get data-powered insights and trends into flights from Ontario to Keflavik Intl to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Ontario to Reykjavik Keflavik Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Ontario to Reykjavik Keflavik Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Ontario to Reykjavik Keflavik Intl Airport is February, where tickets cost $691 on average. On the other hand, the most expensive months are July and December, where the average cost of tickets is $1,193 and $1,182 respectively.

How far in advance should I book a flight from Ontario to Reykjavik Keflavik Intl Airport?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Ontario to Reykjavik Keflavik Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Ontario to Reykjavik Keflavik Intl Airport, you should book around 1 day before departure. For the absolute cheapest price, our data suggests you should book 70 days before departure.

Which airlines provide the cheapest flights from Ontario to Reykjavik?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Ontario to Reykjavik were found on United Airlines ($842) and Air Canada ($856). United Airlines proposed the cheapest one-way flight at $655.

Good to know

Cheapest flight

$655
Flight from Ontario to Reykjavik

When to book flights from Ontario to Keflavik Intl

Are your dates flexible? Find out the best times to travel from Ontario to Keflavik Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Ontario to Reykjavik flights

  • What is the cheapest flight from Ontario to Reykjavik Keflavik Intl Airport?

    In the last 3 days, the lowest price for a flight from Ontario to Reykjavik Keflavik Intl Airport was $655 for a one-way ticket and $842 for a round-trip.

  • Do I need a passport to fly between Ontario and Reykjavik?

    Yes

  • Which aircraft models fly most regularly from Ontario to Reykjavik?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to Reykjavik?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Ontario and Reykjavik, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Ontario to Reykjavik?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Reykjavik.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Reykjavik?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reykjavik from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Reykjavik?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Reykjavik with an airline and back to Ontario with another airline. Booking your flights between Ontario and KEF can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Reykjavik?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Reykjavik from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Ontario to Reykjavik

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Ontario to Reykjavik found on KAYAK in the last 72 hours.
7/10Wed
2 stopsUnited Airlines
19h 30mONT-KEF
$655
9/26Thu
2 stopsUnited Airlines
34h 30mONT-KEF
$686
7/10Wed
1 stopJetBlue
15h 50mONT-KEF
$719
9/4Wed
1 stopJetBlue
15h 46mONT-KEF
$738
7/10Wed
1 stopJetBlue
15h 50mONT-KEF
$762
10/1Tue
2 stopsBritish Airways
18h 24mONT-KEF
$807
9/27Fri
1 stop
13h 05mONT-KEF
$812
6/30Sun
2 stops
27h 00mONT-KEF
$1,313
7/15Mon
2 stopsBritish Airways
27h 06mONT-KEF
$1,774
9/23Mon
2 stopsAmerican Airlines
40h 15mONT-KEF
$11,573

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Last minute flights from Ontario to Keflavik Intl

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Ontario to Reykjavik that are departing in the next 10 days.
4/28Sun
multi-stopKLM
20h 20mONT-KEF
5/10Fri
multi-stopKLM
18h 22mKEF-ONT
$876
4/28Sun
multi-stop
15h 59mONT-KEF
5/10Fri
multi-stop
33h 19mKEF-ONT
$1,083
5/1Wed
multi-stop
17h 15mONT-KEF
5/6Mon
multi-stop
19h 29mKEF-ONT
$1,434
4/28Sun
multi-stopAmerican Airlines
40h 20mONT-KEF
5/10Fri
multi-stopAmerican Airlines
29h 10mKEF-ONT
$1,501
4/28Sun
multi-stopAmerican Airlines
30h 40mONT-KEF
5/10Fri
multi-stopAmerican Airlines
29h 10mKEF-ONT
$1,515
4/28Sun
multi-stop
42h 37mONT-KEF
5/10Fri
multi-stop
20h 48mKEF-ONT
$1,548
5/1Wed
multi-stopAmerican Airlines
54h 40mONT-KEF
5/6Mon
multi-stopAmerican Airlines
31h 57mKEF-ONT
$2,233
5/1Wed
multi-stopAmerican Airlines
52h 00mONT-KEF
5/6Mon
multi-stopAmerican Airlines
31h 57mKEF-ONT
$2,304

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Ontario - Reykjavik Flights

Departure:

Ontario (ONT)United States

Destination:

Reykjavik (KEF)Iceland

Cabin classes: