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Cheap flights from Ontario to Reykjavik from $410

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Reykjavik departing on 8/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
2:05 pm - 9:00 am
ONT
-
KEF
11h 55m
1 stop
Alaska Airlines Logo
12:45 pm - 7:03 pm
KEF
-
ONT
13h 18m
1 stop
$751Alaska Airlines
Sun, Aug 16 - Tue, Aug 25
Multiple Airlines Logo
1:50 pm - 9:25 am
ONT
-
KEF
12h 35m
1 stop
Multiple Airlines Logo
10:45 am - 10:00 pm
KEF
-
ONT
18h 15m
1 stop
$752Multiple Airlines
Tue, Aug 18 - Wed, Aug 26
Alaska Airlines Logo
12:00 pm - 9:00 am
ONT
-
KEF
14h 00m
1 stop
Alaska Airlines Logo
12:45 pm - 11:24 pm
KEF
-
ONT
17h 39m
1 stop
$795Alaska Airlines
Mon, Aug 31 - Fri, Sep 4
Multiple Airlines Logo
2:05 pm - 9:25 am
ONT
-
KEF
12h 20m
1 stop
Multiple Airlines Logo
4:50 pm - 10:00 pm
KEF
-
ONT
12h 10m
1 stop
$802Multiple Airlines
Tue, Aug 18 - Wed, Aug 26
Alaska Airlines Logo
6:02 am - 9:00 am
ONT
-
KEF
19h 58m
1 stop
Alaska Airlines Logo
12:45 pm - 11:11 pm
KEF
-
ONT
17h 26m
1 stop
$816Alaska Airlines
Sun, Jun 21 - Wed, Jun 24
Multiple Airlines Logo
10:55 am - 6:00 am
ONT
-
KEF
12h 05m
1 stop
Multiple Airlines Logo
4:50 pm - 10:00 pm
KEF
-
ONT
12h 10m
1 stop
$819Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
10:55 am - 6:00 am
ONT
-
KEF
12h 05m
1 stop
Multiple Airlines Logo
4:50 pm - 10:10 pm
KEF
-
ONT
12h 20m
1 stop
$829Multiple Airlines
Wed, Aug 19 - Mon, Aug 31
Multiple Airlines Logo
5:52 pm - 6:15 am
ONT
-
KEF
28h 23m
1 stop
Multiple Airlines Logo
5:00 pm - 10:54 pm
KEF
-
ONT
13h 54m
1 stop
$832Multiple Airlines
Sun, Nov 1 - Sat, Nov 7
Multiple Airlines Logo
12:25 pm - 6:00 am
ONT
-
KEF
10h 35m
1 stop
Multiple Airlines Logo
4:50 pm - 10:10 pm
KEF
-
ONT
12h 20m
1 stop
$851Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Icelandair Logo
6:00 am - 6:15 am
ONT
-
KEF
16h 15m
1 stop
Icelandair Logo
5:00 pm - 10:39 pm
KEF
-
ONT
13h 39m
1 stop
$854Icelandair
Thu, Nov 19 - Sun, Nov 22

Icelandair flights from Ontario to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on Ontario to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
Nov 19
ONT6:00 amOntario
16h 15m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Nov 22
KEF5:00 pmReykjavik Keflavik Intl
13h 39m
1 stop
ONT10:39 pmOntario
$854
Icelandair
Oct 10
ONT2:14 pmOntario
12h 11m
1 stop
KEF9:25 amReykjavik Keflavik Intl
Oct 18
KEF4:50 pmReykjavik Keflavik Intl
14h 03m
1 stop
ONT11:53 pmOntario
$856
Icelandair
Jul 6
ONT9:20 pmOntario
33h 40m
1 stop
KEF2:00 pmReykjavik Keflavik Intl
Aug 10
KEF7:45 pmReykjavik Keflavik Intl
24h 24m
1 stop
ONT1:09 pmOntario
$868

British Airways flights from Ontario to Reykjavik Keflavik Intl Airport

Our best British Airways deals on Ontario to Reykjavik Keflavik Intl Airport flight tickets
British Airways
Jun 2
ONT5:44 amOntario
21h 16m
2 stops
KEF10:00 amReykjavik Keflavik Intl
Jun 4
KEF10:40 amReykjavik Keflavik Intl
29h 51m
2 stops
ONT9:31 amOntario
$3,611
British Airways
May 31
ONT11:59 pmOntario
26h 56m
2 stops
KEF9:55 amReykjavik Keflavik Intl
Jun 7
KEF10:20 amReykjavik Keflavik Intl
20h 39m
2 stops
ONT11:59 pmOntario
$5,487
British Airways
May 31
ONT11:59 pmOntario
26h 56m
2 stops
KEF9:55 amReykjavik Keflavik Intl
Jun 13
KEF10:20 amReykjavik Keflavik Intl
30h 11m
2 stops
ONT9:31 amOntario
$5,690

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Reykjavik Keflavik Intl Airport 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, momondo users made 832,500 searches. Data last updated May 30, 2026.
Use the filters below to find and compare flights from Ontario to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sun 8/16

2:05 pm-9:00 am

1 stop11h 55m

Reykjavik Keflavik Intl

Tue 8/25

12:45 pm-7:03 pm

1 stop13h 18m

$751

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Tue 8/18

1:50 pm-9:25 am

1 stop12h 35m

Reykjavik Keflavik Intl

Wed 8/26

10:45 am-10:00 pm

1 stop18h 15m

$752

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Mon 8/31

12:00 pm-9:00 am

1 stop14h 00m

Reykjavik Keflavik Intl

Fri 9/4

12:45 pm-11:24 pm

1 stop17h 39m

$795

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Tue 8/18

2:05 pm-9:25 am

1 stop12h 20m

Reykjavik Keflavik Intl

Wed 8/26

4:50 pm-10:00 pm

1 stop12h 10m

$802

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sun 6/21

6:02 am-9:00 am

1 stop19h 58m

Reykjavik Keflavik Intl

Wed 6/24

12:45 pm-11:11 pm

1 stop17h 26m

$816

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Tue 9/1

10:55 am-6:00 am

1 stop12h 05m

Reykjavik Keflavik Intl

Tue 9/8

4:50 pm-10:00 pm

1 stop12h 10m

$819

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Wed 8/19

10:55 am-6:00 am

1 stop12h 05m

Reykjavik Keflavik Intl

Mon 8/31

4:50 pm-10:10 pm

1 stop12h 20m

$829

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sun 11/1

5:52 pm-6:15 am

1 stop28h 23m

Reykjavik Keflavik Intl

Sat 11/7

5:00 pm-10:54 pm

1 stop13h 54m

$832
Quickest round-trip

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Mon 8/17

12:25 pm-6:00 am

1 stop10h 35m

Reykjavik Keflavik Intl

Mon 8/24

4:50 pm-10:10 pm

1 stop12h 20m

$851

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Thu 11/19

6:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Sun 11/22

5:00 pm-10:39 pm

1 stop13h 39m

$854

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Reykjavik from

How to get the cheapest flight ticket from Ontario to Reykjavik Keflavik Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Ontario to Reykjavik Keflavik Intl Airport flights?

You could potentially save up to 23% on your flight if you consider stops on a Ontario to Reykjavik Keflavik Intl Airport flight.

When to book flights from Ontario to Reykjavik Keflavik Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Reykjavik Keflavik Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Reykjavik Keflavik Intl Airport (ONT to KEF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Reykjavik Keflavik Intl Airport

Fastest flight time

11h 18m

Direct flights

None
The fastest flight from Ontario to Reykjavik Keflavik Intl Airport takes 11h 18m
There are no direct flights from Ontario to Reykjavik Keflavik Intl Airport. There are no popular flight routes from Ontario to Reykjavik Keflavik Intl Airport.
Search flight deals

Frequently asked questions about flying from Ontario to Reykjavik Keflavik Intl Airport

  • How far is Ontario to Reykjavik Keflavik Intl by plane?

    A flight from Ontario to Reykjavik Keflavik Intl will travel around 4272.1 mi. Typically, this will take 11h 18m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Reykjavik Keflavik Intl Airport?

    Prices for flights from Ontario Airport to Reykjavik Keflavik Intl Airport were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Reykjavik Keflavik Intl Airport?

  • How old do you have to be to fly from Ontario Airport to Reykjavik Keflavik Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The travel and health documents required for your trip to Reykjavik Keflavik Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Reykjavik Keflavik Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Reykjavik Keflavik Intl Airport?

Best airlines flying from Ontario to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from Ontario to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $714Free CancellationRating
7.9
12,433 reviews
Search Alaska Airlines flights

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Selfoss
Hella
Hveragerdi
Borgarnes
Grindavik
Kopavogur

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Reykjavik?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Reykjavik for you.

Can I find flights from Ontario to Reykjavik with flexible booking policies on momondo?

Flights from Ontario to Reykjavik with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Reykjavik?

Once you have performed a search for Ontario to Reykjavik flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Reykjavik right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Reykjavik flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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