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Cheap flights from Ontario (ONT) to Keflavik Intl (KEF) from $560

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 10/23. 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 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
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 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 2,637,452 searches. Data last updated May 16, 2024.
Find some of the cheapest United Airlines flights traveling from Ontario to Reykjavik. It's recommended that users confirm their flight details before booking.
Tue 9/246:00 amONT - KEF
3 stops18h 00mUnited Airlines
Tue 10/111:00 amKEF - ONT
2 stops18h 56mUnited Airlines
Deal found 5/15$634
Tue 9/247:40 amONT - KEF
2 stops16h 20mUnited Airlines
Tue 10/111:00 amKEF - ONT
2 stops18h 56mUnited Airlines
Deal found 5/15$685
Mon 9/1610:49 amONT - KEF
2 stops14h 41mUnited Airlines
Mon 9/2312:00 pmKEF - ONT
2 stops16h 31mUnited Airlines
Deal found 5/15$807
Wed 10/166:00 amONT - KEF
3 stops18h 00mUnited Airlines
Sat 10/2611:00 amKEF - ONT
2 stops18h 56mUnited Airlines
Deal found 5/15$820
Wed 10/166:00 amONT - KEF
2 stops18h 00mUnited Airlines
Sat 10/2611:00 amKEF - ONT
2 stops18h 56mUnited Airlines
Deal found 5/15$821
Tue 5/286:00 amONT - KEF
2 stops18h 00mUnited Airlines
Tue 6/412:00 pmKEF - ONT
2 stops16h 14mUnited Airlines
Deal found 5/14$927
Sat 7/66:35 pmONT - KEF
2 stops30h 55mUnited Airlines
Fri 7/1912:00 pmKEF - ONT
2 stops31h 15mUnited Airlines
Deal found 5/16$978
Tue 7/306:20 amONT - KEF
2 stops19h 10mUnited Airlines
Wed 8/711:00 amKEF - ONT
2 stops16h 48mUnited Airlines
Deal found 5/15$987
Wed 8/146:35 pmONT - KEF
2 stops30h 55mUnited Airlines
Sun 9/112:00 pmKEF - ONT
2 stops29h 07mUnited Airlines
Deal found 5/16$991

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 2,637,452 searches. Data last updated May 16, 2024.
Take a gander at the lowest prices we've found on Air Canada 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.
Mon 6/176:20 amONT - KEF
2 stops19h 15mAir Canada
Mon 7/810:00 amKEF - ONT
2 stops38h 28mAir Canada
Deal found 5/15$767
Sun 6/165:15 amONT - KEF
3 stops20h 20mAir Canada
Wed 7/1010:00 amKEF - ONT
3 stops17h 48mAir Canada
Deal found 5/15$1,171
Tue 9/245:15 amONT - KEF
3 stops20h 20mAir Canada
Tue 10/110:00 amKEF - ONT
3 stops17h 32mAir Canada
Deal found 5/15$1,202
Sat 9/145:15 amONT - KEF
3 stops20h 20mAir Canada
Thu 9/1910:00 amKEF - ONT
3 stops18h 02mAir Canada
Deal found 5/14$1,271

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 2,637,452 searches. Prices were last updated on May 16, 2024.
Scroll through some of the best deals on flights from Ontario to Reykjavik in 2024. Check back regularly for other flight deals.
Sun 6/165:50 amONT - KEF
2 stops19h 45mMultiple Airlines
Thu 7/1110:00 amKEF - ONT
2 stops38h 28mMultiple Airlines
Deal found 5/15$696
Mon 6/176:20 amONT - KEF
2 stops19h 15mMultiple Airlines
Tue 7/910:00 amKEF - ONT
2 stops33h 15mMultiple Airlines
Deal found 5/15$718
Sun 6/165:50 amONT - KEF
2 stops19h 45mMultiple Airlines
Tue 7/910:00 amKEF - ONT
2 stops33h 15mMultiple Airlines
Deal found 5/15$737
Sat 6/156:03 amONT - KEF
2 stops19h 32mMultiple Airlines
Thu 7/1110:00 amKEF - ONT
2 stops38h 28mMultiple Airlines
Deal found 5/15$746
Mon 6/176:20 amONT - KEF
2 stops19h 15mAir Canada
Mon 7/810:00 amKEF - ONT
2 stops38h 28mAir Canada
Deal found 5/15$767
Tue 6/186:25 pmONT - KEF
2 stops31h 10mMultiple Airlines
Thu 7/1110:00 amKEF - ONT
2 stops33h 33mMultiple Airlines
Deal found 5/15$771
Sun 6/165:50 amONT - KEF
2 stops19h 45mMultiple Airlines
Mon 7/810:00 amKEF - ONT
2 stops33h 15mMultiple Airlines
Deal found 5/15$774
Tue 6/185:15 amONT - KEF
3 stops20h 20mMultiple Airlines
Mon 7/810:00 amKEF - ONT
2 stops33h 15mMultiple Airlines
Deal found 5/15$799
Sat 6/155:15 amONT - KEF
2 stops20h 20mMultiple Airlines
Mon 7/810:00 amKEF - ONT
2 stops33h 15mMultiple Airlines
Deal found 5/15$824

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 2,637,452 searches. Data last updated May 16, 2024.
Scroll through some of the best deals on flights from Ontario to Reykjavik in 2024. Check back regularly for other flight deals.
Tue 9/246:00 amONT - KEF
3 stops18h 00mUnited Airlines
Tue 10/111:00 amKEF - ONT
2 stops18h 56mUnited Airlines
Deal found 5/15$634
Tue 9/247:40 amONT - KEF
2 stops16h 20mUnited Airlines
Tue 10/111:00 amKEF - ONT
2 stops18h 56mUnited Airlines
Deal found 5/15$685
Sun 6/165:50 amONT - KEF
2 stops19h 45mMultiple Airlines
Thu 7/1110:00 amKEF - ONT
2 stops38h 28mMultiple Airlines
Deal found 5/15$696
Mon 6/176:20 amONT - KEF
2 stops19h 15mMultiple Airlines
Tue 7/910:00 amKEF - ONT
2 stops33h 15mMultiple Airlines
Deal found 5/15$718
Sun 6/165:50 amONT - KEF
2 stops19h 45mMultiple Airlines
Tue 7/910:00 amKEF - ONT
2 stops33h 15mMultiple Airlines
Deal found 5/15$737
Sat 6/156:03 amONT - KEF
2 stops19h 32mMultiple Airlines
Thu 7/1110:00 amKEF - ONT
2 stops38h 28mMultiple Airlines
Deal found 5/15$746
Mon 6/176:20 amONT - KEF
2 stops19h 15mAir Canada
Mon 7/810:00 amKEF - ONT
2 stops38h 28mAir Canada
Deal found 5/15$767
Tue 6/186:25 pmONT - KEF
2 stops31h 10mMultiple Airlines
Thu 7/1110:00 amKEF - ONT
2 stops33h 33mMultiple Airlines
Deal found 5/15$771
Sun 6/165:50 amONT - KEF
2 stops19h 45mMultiple Airlines
Mon 7/810:00 amKEF - ONT
2 stops33h 15mMultiple Airlines
Deal found 5/15$774

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 2,637,452 searches. Data last updated May 16, 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.
Tue 5/286:00 amONT - KEF
2 stops18h 00mUnited Airlines
Tue 6/412:00 pmKEF - ONT
2 stops16h 14mUnited Airlines
Deal found 5/14$927
Tue 5/2810:00 amONT - KEF
1 stop16h 15mMultiple Airlines
Tue 6/410:30 amKEF - ONT
1 stop15h 44mMultiple Airlines
Deal found 5/14$1,075
Wed 5/2910:00 amONT - KEF
1 stop20h 25mMultiple Airlines
Wed 6/510:30 amKEF - ONT
1 stop15h 44mMultiple Airlines
Deal found 5/15$1,132
Mon 5/2710:29 pmONT - KEF
2 stops52h 16mAmerican Airlines
Wed 6/1211:05 amKEF - ONT
2 stops43h 54mAmerican Airlines
Deal found 5/15$1,903
Sat 5/1811:59 pmONT - KEF
2 stops50h 21mBritish Airways
Thu 5/3010:35 amKEF - ONT
2 stops40h 33mBritish Airways
Deal found 5/14$2,675
Tue 5/281:29 pmONT - KEF
2 stops27h 01mMultiple Airlines
Mon 6/312:25 amKEF - ONT
2 stops27h 23mMultiple Airlines
Deal found 5/14$3,774
Tue 5/286:00 amONT - KEF
2 stops21h 05mBritish Airways
Mon 6/310:50 amKEF - ONT
2 stops20h 06mBritish Airways
Deal found 5/14$4,943
Mon 5/2711:59 pmONT - KEF
2 stops27h 06mBritish Airways
Fri 5/3110:35 amKEF - ONT
2 stops20h 21mBritish Airways
Deal found 5/15$5,400

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 2,637,452 searches. Data last updated May 16, 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 10/236:02 amONT - KEF
3 stops17h 58mUnited Airlines
Deal found 5/16$560
Wed 10/237:00 amONT - KEF
2 stops19h 30mKLM
Deal found 5/16$562
Mon 9/26:00 amONT - KEF
2 stops19h 30mUnited Airlines
Deal found 5/15$573
Sat 7/136:35 pmONT - KEF
2 stops30h 55mUnited Airlines
Deal found 5/16$578
Tue 7/306:20 amONT - KEF
2 stops19h 10mUnited Airlines
Deal found 5/15$644
Tue 7/96:00 amONT - KEF
2 stops19h 30mUnited Airlines
Deal found 5/15$655
Tue 6/116:25 pmONT - KEF
2 stops31h 10mMultiple Airlines
Deal found 5/14$684
Wed 6/125:15 amONT - KEF
2 stops20h 20mAir Canada
Deal found 5/15$706
Sat 7/1311:45 pmONT - KEF
1 stop15h 50mMultiple Airlines
Deal found 5/16$724

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$634 - $1,523

Route

Depart

Return

Price

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Tue 9/24

3 stops18h 00m

Reykjavik Keflavik Intl

Tue 10/1

2 stops18h 56m

$634

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Tue 9/24

2 stops16h 20m

Reykjavik Keflavik Intl

Tue 10/1

2 stops18h 56m

$685

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Sun 6/16

2 stops19h 45m

Reykjavik Keflavik Intl

Thu 7/11

2 stops38h 28m

$696

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Mon 6/17

2 stops19h 15m

Reykjavik Keflavik Intl

Tue 7/9

2 stops33h 15m

$718

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Mon 6/17

2 stops19h 15m

Reykjavik Keflavik Intl

Mon 7/8

2 stops38h 28m

$767

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Fri 9/6

2 stops20h 30m

Reykjavik Keflavik Intl

Tue 9/10

2 stops18h 08m

$786

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Wed 8/14

1 stop15h 50m

Reykjavik Keflavik Intl

Sun 9/1

1 stop19h 48m

$1,386

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Wed 10/2

2 stops50h 21m

Reykjavik Keflavik Intl

Wed 10/9

2 stops43h 21m

$1,485

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Mon 7/8

2 stops44h 55m

Reykjavik Keflavik Intl

Tue 7/16

2 stops39h 40m

$1,523

Flights are sorted by cheapest first

Deals found on 5/15

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 May 12, 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 16, 2024.
Get a feel of what it's like to fly with United Airlines, Air Canada and JetBlue 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.
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta
8.0
Very good
10,673 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

KLM
7.9
Good
1,568 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

JetBlue
7.6
Good
4,472 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

United Airlines
7.4
Good
10,924 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

American Airlines
7.3
Good
14,514 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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 United Airlines for just $634, but on average you can expect to pay $792.

  • Are there last-minute flights available from Ontario to Reykjavik Keflavik Intl Airport for under $1,000?

    There are currently 8+ open flights from Ontario to Reykjavik Keflavik Intl Airport within the next 7 days for less than $1,000.

  • 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 $560 on United Airlines. Other airlines that offer cheap prices include KLM from $562 and Air Canada from $706 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 5/15.

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.

Can Cheapflights notify me if prices for flights from Ontario to Keflavik Intl become cheaper?

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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