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Cheap flights from Ontario to Reykjavik from $300

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 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:02 am - 9:00 am
ONT
-
KEF
19h 58m
1 stop
Alaska Airlines Logo
10:40 am - 7:03 pm
KEF
-
ONT
15h 23m
1 stop
$552Alaska Airlines
Thu, Aug 27 - Wed, Sep 9
Alaska Airlines Logo
6:02 am - 9:00 am
ONT
-
KEF
19h 58m
1 stop
Alaska Airlines Logo
10:40 am - 7:03 pm
KEF
-
ONT
15h 23m
1 stop
$560Alaska Airlines
Thu, Aug 27 - Wed, Sep 9
Alaska Airlines Logo
6:02 am - 9:00 am
ONT
-
KEF
19h 58m
1 stop
Alaska Airlines Logo
10:40 am - 7:03 pm
KEF
-
ONT
15h 23m
1 stop
$561Alaska Airlines
Thu, Aug 27 - Wed, Sep 9
Alaska Airlines Logo
7:59 pm - 9:00 am
ONT
-
KEF
30h 01m
1 stop
Alaska Airlines Logo
12:45 pm - 7:03 pm
KEF
-
ONT
13h 18m
1 stop
$643Alaska Airlines
Mon, Aug 24 - Thu, Aug 27
Alaska Airlines Logo
12:00 pm - 9:00 am
ONT
-
KEF
14h 00m
1 stop
Alaska Airlines Logo
12:45 pm - 11:04 am
KEF
-
ONT
29h 19m
1 stop
$647Alaska Airlines
Tue, Aug 25 - Sat, Aug 29
Alaska Airlines Logo
7:59 pm - 9:00 am
ONT
-
KEF
30h 01m
1 stop
Alaska Airlines Logo
12:45 pm - 7:03 pm
KEF
-
ONT
13h 18m
1 stop
$663Alaska Airlines
Mon, Aug 24 - Thu, Aug 27
Multiple Airlines Logo
1:00 pm - 9:25 am
ONT
-
KEF
13h 25m
1 stop
Multiple Airlines Logo
10:45 am - 7:20 pm
KEF
-
ONT
15h 35m
1 stop
$674Multiple Airlines
Sat, Aug 22 - Fri, Aug 28
Multiple Airlines Logo
1:00 pm - 9:25 am
ONT
-
KEF
13h 25m
1 stop
Multiple Airlines Logo
10:45 am - 4:25 pm
KEF
-
ONT
12h 40m
1 stop
$675Multiple Airlines
Sat, Aug 22 - Sat, Aug 29
Multiple Airlines Logo
9:25 am - 6:00 am
ONT
-
KEF
13h 35m
1 stop
Multiple Airlines Logo
4:50 pm - 10:05 am
KEF
-
ONT
24h 15m
1 stop
$682Multiple Airlines
Sat, Aug 29 - Sat, Sep 5
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
$716Alaska Airlines
Sat, Aug 15 - Wed, Aug 26

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Icelandair flights from Ontario to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on Ontario to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
Oct 24
ONT2:13 pmOntario
33h 02m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Nov 1
KEF4:50 pmReykjavik Keflavik Intl
32h 08m
1 stop
ONT4:58 pmOntario
$849
Icelandair
Oct 28
ONT11:13 amOntario
12h 02m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Nov 4
KEF4:50 pmReykjavik Keflavik Intl
32h 08m
1 stop
ONT4:58 pmOntario
$854
Icelandair
Nov 1
ONT6:00 amOntario
16h 15m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Nov 8
KEF4:50 pmReykjavik Keflavik Intl
32h 08m
1 stop
ONT4:58 pmOntario
$857

Alaska Airlines flights from Ontario to Reykjavik Keflavik Intl Airport

Our best Alaska Airlines deals on Ontario to Reykjavik Keflavik Intl Airport flight tickets
Alaska Airlines
Aug 27
ONT6:02 amOntario
19h 58m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Sep 9
KEF10:40 amReykjavik Keflavik Intl
15h 23m
1 stop
ONT7:03 pmOntario
$552
Alaska Airlines
Aug 27
ONT6:02 amOntario
19h 58m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Sep 9
KEF10:40 amReykjavik Keflavik Intl
15h 23m
1 stop
ONT7:03 pmOntario
$560
Alaska Airlines
Aug 27
ONT6:02 amOntario
19h 58m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Sep 10
KEF10:40 amReykjavik Keflavik Intl
19h 44m
1 stop
ONT11:24 pmOntario
$561

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 August 2, 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

Thu 8/27

6:02 am-9:00 am

1 stop19h 58m

Reykjavik Keflavik Intl

Wed 9/9

10:40 am-7:03 pm

1 stop15h 23m

$552

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Thu 8/27

6:02 am-9:00 am

1 stop19h 58m

Reykjavik Keflavik Intl

Wed 9/9

10:40 am-7:03 pm

1 stop15h 23m

$560

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Thu 8/27

6:02 am-9:00 am

1 stop19h 58m

Reykjavik Keflavik Intl

Wed 9/9

10:40 am-7:03 pm

1 stop15h 23m

$561

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Mon 8/24

7:59 pm-9:00 am

1 stop30h 01m

Reykjavik Keflavik Intl

Thu 8/27

12:45 pm-7:03 pm

1 stop13h 18m

$643

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Tue 8/25

12:00 pm-9:00 am

1 stop14h 00m

Reykjavik Keflavik Intl

Sat 8/29

12:45 pm-11:04 am

1 stop29h 19m

$647

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Mon 8/24

7:59 pm-9:00 am

1 stop30h 01m

Reykjavik Keflavik Intl

Thu 8/27

12:45 pm-7:03 pm

1 stop13h 18m

$663

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sat 8/22

1:00 pm-9:25 am

1 stop13h 25m

Reykjavik Keflavik Intl

Fri 8/28

10:45 am-7:20 pm

1 stop15h 35m

$674

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sat 8/22

1:00 pm-9:25 am

1 stop13h 25m

Reykjavik Keflavik Intl

Sat 8/29

10:45 am-4:25 pm

1 stop12h 40m

$675

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sat 8/29

9:25 am-6:00 am

1 stop13h 35m

Reykjavik Keflavik Intl

Sat 9/5

4:50 pm-10:05 am

1 stop24h 15m

$682
Quickest round-trip

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sat 8/15

2:05 pm-9:00 am

1 stop11h 55m

Reykjavik Keflavik Intl

Wed 8/26

12:45 pm-7:03 pm

1 stop13h 18m

$716

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 8% 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 15m

Direct flights

None
The fastest flight from Ontario to Reykjavik Keflavik Intl Airport takes 11h 15m
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 15m 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 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.

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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