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Cheap flights from Ontario (ONT) to Keflavik Intl (KEF) from $573

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 9/25. 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.
ONT — KEF
May 9 — May 161
From?
To?
Thu 5/9
Thu 5/16
1 adult, Economy
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How far in advance should I book a flight from Ontario to Reykjavik Keflavik Intl Airport?

Find a great deal and save up to 25% by booking at least 19 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Reykjavik Keflavik Intl Airport within the next two weeks, with the cheapest ticket starting at $848.

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

Flights from Ontario to Reykjavik Keflavik Intl Airport lean towards being more expensive in December. Prices are generally better when you fly from Ontario to Reykjavik Keflavik Intl Airport in April, with the cheapest ticket starting at $564.

When is the cheapest time to fly from Ontario to Reykjavik Keflavik Intl Airport (ONT - KEF)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Reykjavik Keflavik Intl Airport as you normally would.

Cheap Air Canada flights from Ontario to Keflavik Intl

Explore cheap flight options specifically provided by Air Canada for the route between Ontario and Keflavik Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
Find some of the cheapest Air Canada flights traveling from Ontario to Reykjavik. It's recommended that users confirm their flight details before booking.
Sat 7/206:25 pmONT - KEF
2 stops31h 10mAir Canada
Mon 7/2910:00 amKEF - ONT
2 stops33h 33mAir Canada
Deal found 5/3$777
Fri 9/205:15 amONT - KEF
3 stops20h 20mAir Canada
Sat 9/2810:00 amKEF - ONT
3 stops17h 32mAir Canada
Deal found 5/3$1,403
Sat 9/215:15 amONT - KEF
3 stops20h 20mAir Canada
Sat 9/2810:00 amKEF - ONT
3 stops17h 32mAir Canada
Deal found 5/3$1,423
Fri 9/205:15 amONT - KEF
3 stops20h 20mAir Canada
Thu 9/2610:00 amKEF - ONT
3 stops17h 32mAir Canada
Deal found 5/3$1,428
Tue 9/175:15 amONT - KEF
3 stops20h 20mAir Canada
Thu 9/2610:00 amKEF - ONT
3 stops17h 32mAir Canada
Deal found 5/3$1,478
Fri 7/195:20 amONT - KEF
3 stops20h 15mAir Canada
Mon 7/2910:00 amKEF - ONT
3 stops17h 48mAir Canada
Deal found 5/3$1,497

Cheap United Airlines flights from Ontario to Keflavik Intl

Explore cheap flight options specifically provided by United Airlines for the route between Ontario and Keflavik Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from Ontario to Reykjavik. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Fri 9/66:00 amONT - KEF
3 stops18h 00mUnited Airlines
Tue 9/1011:00 amKEF - ONT
2 stops20h 45mUnited Airlines
Deal found 5/2$784
Fri 9/65:15 amONT - KEF
2 stops20h 15mUnited Airlines
Tue 9/1011:00 amKEF - ONT
2 stops20h 45mUnited Airlines
Deal found 5/2$785
Sat 5/1110:42 amONT - KEF
2 stops14h 48mUnited Airlines
Sun 5/1912:00 pmKEF - ONT
2 stops18h 04mUnited Airlines
Deal found 5/4$829
Thu 5/161:36 pmONT - KEF
2 stops35h 54mUnited Airlines
Fri 5/3112:00 pmKEF - ONT
2 stops16h 14mUnited Airlines
Deal found 5/3$1,109
Fri 5/1010:42 amONT - KEF
2 stops14h 48mUnited Airlines
Tue 5/1412:00 pmKEF - ONT
2 stops18h 04mUnited Airlines
Deal found 5/3$1,111
Thu 7/116:00 amONT - KEF
2 stops18h 00mUnited Airlines
Sat 7/2012:00 pmKEF - ONT
2 stops15h 48mUnited Airlines
Deal found 5/3$1,196
Sun 6/166:00 amONT - KEF
2 stops18h 00mUnited Airlines
Sat 6/2212:00 pmKEF - ONT
2 stops17h 27mUnited Airlines
Deal found 5/4$1,216
Sun 6/166:00 amONT - KEF
2 stops18h 00mUnited Airlines
Sat 6/2212:00 pmKEF - ONT
2 stops17h 27mUnited Airlines
Deal found 5/3$1,231
Fri 5/1010:42 amONT - KEF
2 stops14h 48mUnited Airlines
Tue 5/2112:00 pmKEF - ONT
2 stops18h 04mUnited Airlines
Deal found 5/3$5,466

Cheap Ontario to Keflavik Intl flights in May & June 2024

Find cheap flight options from Ontario to Keflavik Intl specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Prices were last updated on May 4, 2024.
Scroll through some of the best deals on flights from Ontario to Reykjavik in 2024. Check back regularly for other flight deals.
Sat 5/1110:42 amONT - KEF
2 stops14h 48mUnited Airlines
Sun 5/1912:00 pmKEF - ONT
2 stops18h 04mUnited Airlines
Deal found 5/4$829
Sun 6/25:45 amONT - KEF
2 stops17h 35mDelta
Sun 6/98:50 amKEF - ONT
2 stops17h 52mDelta
Deal found 5/3$976
Sat 6/14:20 pmONT - KEF
1 stop14h 05mMultiple Airlines
Wed 6/510:30 amKEF - ONT
1 stop15h 44mMultiple Airlines
Deal found 5/4$1,047
Thu 5/161:36 pmONT - KEF
2 stops35h 54mUnited Airlines
Fri 5/3112:00 pmKEF - ONT
2 stops16h 14mUnited Airlines
Deal found 5/3$1,109
Fri 5/1010:42 amONT - KEF
2 stops14h 48mUnited Airlines
Tue 5/1412:00 pmKEF - ONT
2 stops18h 04mUnited Airlines
Deal found 5/3$1,111
Sun 6/166:00 amONT - KEF
2 stops18h 00mUnited Airlines
Sat 6/2212:00 pmKEF - ONT
2 stops17h 27mUnited Airlines
Deal found 5/4$1,216
Sun 6/166:00 amONT - KEF
2 stops18h 00mUnited Airlines
Sat 6/2212:00 pmKEF - ONT
2 stops17h 27mUnited Airlines
Deal found 5/3$1,231
Mon 5/62:50 pmONT - KEF
2 stops36h 15mAmerican Airlines
Fri 5/1710:35 amKEF - ONT
2 stops20h 21mAmerican Airlines
Deal found 5/4$1,438
Sat 6/111:59 pmONT - KEF
2 stops27h 01mMultiple Airlines
Sat 6/81:05 amKEF - ONT
2 stops24h 52mMultiple Airlines
Deal found 5/3$1,468

Ontario to Keflavik Intl 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Keflavik Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
Scroll through some of the best deals on flights from Ontario to Reykjavik in 2024. Check back regularly for other flight deals.
Mon 9/165:15 amONT - KEF
2 stops20h 20mMultiple Airlines
Wed 9/2510:00 amKEF - ONT
2 stops18h 02mMultiple Airlines
Deal found 5/3$652
Mon 9/167:40 amONT - KEF
2 stops17h 55mMultiple Airlines
Mon 9/3010:00 amKEF - ONT
2 stops30h 58mMultiple Airlines
Deal found 5/3$697
Wed 9/186:00 amONT - KEF
2 stops19h 35mMultiple Airlines
Mon 9/3010:00 amKEF - ONT
2 stops19h 56mMultiple Airlines
Deal found 5/3$702
Tue 9/176:45 pmONT - KEF
2 stops30h 50mMultiple Airlines
Wed 9/2510:00 amKEF - ONT
2 stops18h 31mMultiple Airlines
Deal found 5/3$733
Tue 9/175:15 amONT - KEF
2 stops20h 20mMultiple Airlines
Mon 9/3010:00 amKEF - ONT
2 stops30h 58mMultiple Airlines
Deal found 5/3$746
Sat 9/216:00 amONT - KEF
2 stops19h 35mMultiple Airlines
Mon 9/3010:00 amKEF - ONT
2 stops30h 58mMultiple Airlines
Deal found 5/3$747
Fri 9/207:40 amONT - KEF
2 stops17h 55mMultiple Airlines
Mon 9/3010:00 amKEF - ONT
2 stops30h 58mMultiple Airlines
Deal found 5/3$766
Mon 9/167:40 amONT - KEF
2 stops17h 55mMultiple Airlines
Tue 10/110:00 amKEF - ONT
2 stops38h 17mMultiple Airlines
Deal found 5/3$775
Sat 7/206:25 pmONT - KEF
2 stops31h 10mAir Canada
Mon 7/2910:00 amKEF - ONT
2 stops33h 33mAir Canada
Deal found 5/3$777

Ontario to Keflavik Intl flights leaving soon

Find last-minute flight options from Ontario to Keflavik Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
Have a look at some of the flights available from Ontario to Reykjavik departing last-minute. It's wise to confirm all flight details are correct before booking.
Sat 5/1110:42 amONT - KEF
2 stops14h 48mUnited Airlines
Sun 5/1912:00 pmKEF - ONT
2 stops18h 04mUnited Airlines
Deal found 5/4$829
Fri 5/1010:42 amONT - KEF
2 stops14h 48mUnited Airlines
Tue 5/1412:00 pmKEF - ONT
2 stops18h 04mUnited Airlines
Deal found 5/3$1,111
Fri 5/1010:42 amONT - KEF
2 stops14h 48mUnited Airlines
Tue 5/2112:00 pmKEF - ONT
2 stops18h 04mUnited Airlines
Deal found 5/3$5,466

One-way flights to Keflavik Intl from Ontario

Search for one-way flight options from Ontario to Keflavik Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
Take a look at some of the best available options we've come across on one-way flights from Ontario to Reykjavik. Those needing a return flight from Ontario to Reykjavik can use the search form above.
Wed 9/256:00 amONT - KEF
2 stops18h 00mUnited Airlines
Deal found 5/2$573
Sun 6/97:59 amONT - KEF
2 stops17h 16mMultiple Airlines
Deal found 5/4$586
Sun 6/97:23 pmONT - KEF
3 stops53h 57mMultiple Airlines
Deal found 5/4$594
Sun 6/93:10 pmONT - KEF
1 stop31h 45mMultiple Airlines
Deal found 5/4$595
Wed 10/235:15 amONT - KEF
2 stops24h 40mMultiple Airlines
Deal found 5/3$607
Sat 6/2912:50 amONT - KEF
1 stop22h 10mMultiple Airlines
Deal found 5/3$637
Wed 7/176:00 amONT - KEF
2 stops18h 00mUnited Airlines
Deal found 5/3$652
Thu 7/116:00 amONT - KEF
2 stops18h 00mUnited Airlines
Deal found 5/3$655
Wed 9/255:15 amONT - KEF
2 stops20h 20mAir Canada
Deal found 5/2$682

Find flights from Ontario to Keflavik Intl within your budget

Customize your flight search to find flights from Ontario to Keflavik Intl 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 2,795,183 searches. Data last updated May 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$652 - $1,425

Route

Depart

Return

Price

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Mon 9/16

2 stops20h 20m

Reykjavik Keflavik Intl

Wed 9/25

2 stops18h 02m

$652

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Mon 9/16

2 stops17h 55m

Reykjavik Keflavik Intl

Mon 9/30

2 stops30h 58m

$697

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Wed 9/18

2 stops19h 35m

Reykjavik Keflavik Intl

Mon 9/30

2 stops19h 56m

$702

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Sat 7/20

2 stops31h 10m

Reykjavik Keflavik Intl

Mon 7/29

2 stops33h 33m

$777

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Fri 9/6

3 stops18h 00m

Reykjavik Keflavik Intl

Tue 9/10

2 stops20h 45m

$784

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Thu 7/25

2 stops16h 15m

Reykjavik Keflavik Intl

Thu 8/1

2 stops20h 07m

$947

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Fri 8/9

1 stop15h 50m

Reykjavik Keflavik Intl

Mon 8/12

1 stop19h 48m

$1,362

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Mon 9/2

2 stops38h 25m

Reykjavik Keflavik Intl

Fri 9/13

2 stops19h 51m

$1,363

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Tue 10/1

2 stops18h 24m

Reykjavik Keflavik Intl

Tue 10/8

2 stops20h 16m

$1,425

Flights are sorted by cheapest first

Deals found on 5/3

When is the cheapest time to fly from Ontario to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Keflavik Intl. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Reykjavik Keflavik Intl Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated May 4, 2024.
Get a feel of what it's like to fly with Air Canada, United Airlines and Delta from Ontario to Reykjavik by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.1

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,137 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.1

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,838 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.1

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

JetBlue
7.6
Good
4,545 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.1

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,125 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.1

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,728 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.1

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Keflavik Intl. 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 Reykjavik Keflavik Intl?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Reykjavik Keflavik Intl. 0 airlines have flights from Ontario to Reykjavik Keflavik Intl on a regular basis. Booking flights from Ontario to Reykjavik Keflavik Intl should not be difficult; the airport handles an average of 0 outbound flights to Reykjavik Keflavik Intl per day.

  • Can I find flights from Ontario to Reykjavik Keflavik Intl Airport for under $700 on Cheapflights?

    Yes, there are multiple flights from Ontario to Reykjavik Keflavik Intl Airport for under $700. The cheapest flight booked recently is on Multiple Airlines for just $652, but on average you can expect to pay $785.

  • Are there last-minute flights available from Ontario to Reykjavik Keflavik Intl Airport for under $900?

    There are currently 3+ open flights from Ontario to Reykjavik Keflavik Intl Airport within the next 7 days for less than $900.

  • What are the cheapest airlines to fly from Ontario to Reykjavik Keflavik Intl Airport one-way?

    One-way options have recently been found by users for as low as $573 on United Airlines. Other airlines that offer cheap prices include Air Canada from $682 and JetBlue from $719 one-way.

  • What does ONT to KEF mean?

    Great question - ONT to KEF just means Ontario Airport to Reykjavik Keflavik Intl Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Ontario to Keflavik Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Keflavik Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Keflavik Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Keflavik Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Ontario to Keflavik Intl?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Keflavik Intl that allow pets onboard?

    Many airlines flying from Ontario to Keflavik Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Keflavik Intl?

    Yes, you can often find last-minute deals on Ontario to Keflavik Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Reykjavik Keflavik Intl Airport flight deals updated?

    The Ontario to Reykjavik Keflavik Intl Airport flight deals you see on this page were last updated on 5/3.

See more FAQs

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Alternative routes for Ontario to Keflavik Intl
See prices for flight routes from nearby airports that may be better suited for you.

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Search flights from Ontario to Keflavik Intl by cabin class

Find flights from Ontario to Keflavik Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Keflavik Intl?

When you search for this flight from Ontario to Keflavik Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Keflavik Intl?

Cheapflights helps you find that perfect flight to Keflavik Intl from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Keflavik Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Keflavik Intl, users can toggle the no change fees filter when performing a flight search.

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Of course! You can now track prices for flights from Ontario to Keflavik Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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