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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 8/27. 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
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
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 JetBlue flights from Ontario to Keflavik Intl

Explore cheap flight options specifically provided by JetBlue 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 2,740,132 searches. Data last updated May 28, 2024.
Find some of the cheapest JetBlue flights traveling from Ontario to Reykjavik. It's recommended that users confirm their flight details before booking.
Sun 7/2111:47 pmONT - KEF
1 stop15h 48mJetBlue
Tue 8/69:40 amKEF - ONT
1 stop19h 52mJetBlue
Deal found 5/27$1,368
Sun 7/2111:47 pmONT - KEF
1 stop15h 48mJetBlue
Tue 8/69:40 amKEF - ONT
1 stop19h 52mJetBlue
Deal found 5/28$1,369
Sun 7/2111:47 pmONT - KEF
1 stop15h 48mJetBlue
Tue 8/610:00 amKEF - ONT
2 stops19h 32mJetBlue
Deal found 5/27$1,548
Wed 8/1411:47 pmONT - KEF
1 stop15h 48mJetBlue
Sun 8/189:40 amKEF - ONT
1 stop19h 52mJetBlue
Deal found 5/26$3,483
Fri 8/211:47 pmONT - KEF
1 stop15h 48mJetBlue
Sat 8/109:40 amKEF - ONT
1 stop19h 52mJetBlue
Deal found 5/27$3,673

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 2,740,132 searches. Data last updated May 28, 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.
Wed 8/2110:49 amONT - KEF
2 stops14h 41mUnited Airlines
Thu 8/2911:00 amKEF - ONT
2 stops17h 31mUnited Airlines
Deal found 5/27$646
Tue 8/2710:49 amONT - KEF
2 stops14h 41mUnited Airlines
Thu 9/1912:00 pmKEF - ONT
2 stops16h 31mUnited Airlines
Deal found 5/27$846
Wed 8/146:35 pmONT - KEF
2 stops30h 55mUnited Airlines
Sun 8/1812:00 pmKEF - ONT
2 stops29h 07mUnited Airlines
Deal found 5/26$932
Sun 7/216:00 amONT - KEF
2 stops18h 00mUnited Airlines
Tue 8/611:00 amKEF - ONT
2 stops18h 45mUnited Airlines
Deal found 5/28$979
Sun 7/216:00 amONT - KEF
2 stops18h 00mUnited Airlines
Tue 8/611:00 amKEF - ONT
2 stops17h 11mUnited Airlines
Deal found 5/27$983
Sun 7/216:00 amONT - KEF
2 stops18h 00mUnited Airlines
Wed 7/3111:00 amKEF - ONT
2 stops18h 45mUnited Airlines
Deal found 5/28$987
Sat 7/66:20 amONT - KEF
2 stops19h 10mUnited Airlines
Sat 7/1312:00 pmKEF - ONT
2 stops15h 48mUnited Airlines
Deal found 5/27$1,087
Thu 8/226:45 pmONT - KEF
2 stops30h 45mUnited Airlines
Mon 8/2612:00 pmKEF - ONT
2 stops19h 45mUnited Airlines
Deal found 5/27$1,102
Fri 8/26:35 pmONT - KEF
2 stops30h 55mUnited Airlines
Sat 8/1012:00 pmKEF - ONT
2 stops15h 48mUnited Airlines
Deal found 5/27$1,214

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 2,740,132 searches. Prices were last updated on May 28, 2024.
Scroll through some of the best deals on flights from Ontario to Reykjavik in 2024. Check back regularly for other flight deals.
Sun 6/235:50 amONT - KEF
2 stops19h 45mMultiple Airlines
Wed 7/1010:00 amKEF - ONT
2 stops33h 33mMultiple Airlines
Deal found 5/28$777
Tue 6/256:10 amONT - KEF
2 stops19h 25mMultiple Airlines
Wed 7/1010:00 amKEF - ONT
2 stops33h 15mMultiple Airlines
Deal found 5/28$796
Mon 6/246:10 amONT - KEF
2 stops19h 25mAir Canada
Mon 7/110:00 amKEF - ONT
2 stops38h 53mAir Canada
Deal found 5/27$798
Sun 6/235:50 amONT - KEF
2 stops19h 45mMultiple Airlines
Wed 7/1010:00 amKEF - ONT
3 stops17h 48mMultiple Airlines
Deal found 5/28$804
Tue 6/256:10 amONT - KEF
2 stops19h 25mMultiple Airlines
Wed 7/1010:00 amKEF - ONT
3 stops17h 48mMultiple Airlines
Deal found 5/28$823
Thu 6/276:10 amONT - KEF
2 stops19h 25mMultiple Airlines
Wed 7/1010:00 amKEF - ONT
2 stops33h 33mMultiple Airlines
Deal found 5/28$846
Thu 6/276:10 amONT - KEF
2 stops19h 25mMultiple Airlines
Wed 7/1010:00 amKEF - ONT
3 stops17h 48mMultiple Airlines
Deal found 5/28$873
Sun 6/239:45 pmONT - KEF
2 stops27h 30mMultiple Airlines
Wed 7/1010:25 amKEF - ONT
1 stop20h 14mMultiple Airlines
Deal found 5/28$883
Tue 6/258:29 amONT - KEF
1 stop14h 31mMultiple Airlines
Wed 7/1010:25 amKEF - ONT
1 stop20h 14mMultiple Airlines
Deal found 5/28$980

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 2,740,132 searches. Data last updated May 28, 2024.
Scroll through some of the best deals on flights from Ontario to Reykjavik in 2024. Check back regularly for other flight deals.
Sun 8/186:20 amONT - KEF
2 stops19h 15mMultiple Airlines
Thu 8/299:45 amKEF - ONT
2 stops38h 37mMultiple Airlines
Deal found 5/28$645
Wed 8/2110:49 amONT - KEF
2 stops14h 41mUnited Airlines
Thu 8/2911:00 amKEF - ONT
2 stops17h 31mUnited Airlines
Deal found 5/27$646
Sun 7/76:20 amONT - KEF
2 stops19h 15mMultiple Airlines
Thu 7/1810:00 amKEF - ONT
2 stops38h 28mMultiple Airlines
Deal found 5/28$671
Sun 8/185:10 amONT - KEF
2 stops20h 25mMultiple Airlines
Wed 8/2810:00 amKEF - ONT
2 stops18h 31mMultiple Airlines
Deal found 5/28$673
Fri 9/277:18 amONT - KEF
2 stops18h 17mAir Canada
Fri 10/410:00 amKEF - ONT
2 stops41h 32mAir Canada
Deal found 5/27$692
Fri 8/236:00 amONT - KEF
2 stops19h 35mMultiple Airlines
Thu 8/299:45 amKEF - ONT
2 stops38h 37mMultiple Airlines
Deal found 5/28$695
Sun 7/76:20 amONT - KEF
2 stops19h 15mMultiple Airlines
Fri 7/1910:00 amKEF - ONT
2 stops33h 15mMultiple Airlines
Deal found 5/28$696
Thu 8/226:00 amONT - KEF
2 stops19h 35mMultiple Airlines
Tue 8/279:45 amKEF - ONT
2 stops33h 47mMultiple Airlines
Deal found 5/28$715
Sun 8/185:10 amONT - KEF
2 stops20h 25mMultiple Airlines
Sat 8/319:45 amKEF - ONT
2 stops22h 00mMultiple Airlines
Deal found 5/28$717

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 2,740,132 searches. Data last updated May 28, 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.
Wed 6/512:49 pmONT - KEF
2 stops37h 56mAmerican Airlines
Sat 6/810:10 amKEF - ONT
2 stops20h 49mAmerican Airlines
Deal found 5/27$2,675
Wed 6/512:49 pmONT - KEF
2 stops37h 56mBritish Airways
Mon 6/1010:50 amKEF - ONT
2 stops20h 09mBritish Airways
Deal found 5/27$3,581
Mon 6/311:59 pmONT - KEF
2 stops27h 06mBritish Airways
Fri 6/1410:35 amKEF - ONT
2 stops20h 24mBritish Airways
Deal found 5/27$10,368

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 2,740,132 searches. Data last updated May 28, 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.
Tue 8/276:00 amONT - KEF
2 stops18h 00mUnited Airlines
Deal found 5/27$573
Tue 10/16:35 pmONT - KEF
2 stops31h 00mUnited Airlines
Deal found 5/26$578
Mon 8/126:00 amONT - KEF
2 stops19h 30mUnited Airlines
Deal found 5/27$655
Tue 10/111:30 pmONT - KEF
2 stops22h 15mMultiple Airlines
Deal found 5/27$658
Thu 7/256:00 amONT - KEF
2 stops19h 30mUnited Airlines
Deal found 5/27$660
Sat 8/311:47 pmONT - KEF
1 stop15h 48mJetBlue
Deal found 5/27$683
Wed 7/2411:47 pmONT - KEF
1 stop15h 48mJetBlue
Deal found 5/27$719
Mon 8/1211:47 pmONT - KEF
1 stop15h 48mJetBlue
Deal found 5/27$738
Tue 6/116:00 amONT - KEF
2 stops19h 30mUnited Airlines
Deal found 5/28$784

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 2,740,132 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$646 - $1,372

Route

Depart

Return

Price

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Wed 8/21

2 stops14h 41m

Reykjavik Keflavik Intl

Thu 8/29

2 stops17h 31m

$646

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Fri 9/27

2 stops18h 17m

Reykjavik Keflavik Intl

Fri 10/4

2 stops41h 32m

$692

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Mon 6/24

2 stops19h 25m

Reykjavik Keflavik Intl

Mon 7/1

2 stops38h 53m

$798

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Tue 8/27

2 stops14h 41m

Reykjavik Keflavik Intl

Thu 9/19

2 stops16h 31m

$846

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Fri 9/27

3 stops20h 20m

Reykjavik Keflavik Intl

Fri 10/4

2 stops31h 03m

$858

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Sun 8/25

2 stops18h 50m

Reykjavik Keflavik Intl

Tue 9/3

2 stops19h 05m

$1,074

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Wed 7/10

2 stops30h 20m

Reykjavik Keflavik Intl

Wed 7/24

2 stops22h 09m

$1,088

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Sun 7/21

1 stop15h 48m

Reykjavik Keflavik Intl

Tue 8/6

1 stop19h 52m

$1,368

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Mon 8/26

2 stops60h 06m

Reykjavik Keflavik Intl

Mon 9/2

2 stops38h 58m

$1,372

Flights are sorted by cheapest first

Deals found on 5/27

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 26, 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

Best time to book a flight from Ontario to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap 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 28, 2024.
Get a feel of what it's like to fly with JetBlue, United Airlines and Air Canada 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.
KLM
7.9
Good
1,528 reviews
Check prices

Boarding

7.9

Food

7.4

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,528 reviews
KLM
7.9
Good
1,528 reviews
Check prices

Boarding

7.9

Food

7.4

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

JetBlue
7.6
Good
4,370 reviews
KLM
7.9
Good
1,528 reviews
Check prices

Boarding

7.9

Food

7.4

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

United Airlines
7.4
Good
10,799 reviews
KLM
7.9
Good
1,528 reviews
Check prices

Boarding

7.9

Food

7.4

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

American Airlines
7.3
Good
14,316 reviews
KLM
7.9
Good
1,528 reviews
Check prices

Boarding

7.9

Food

7.4

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Air Canada
7.0
Good
6,988 reviews
KLM
7.9
Good
1,528 reviews
Check prices

Boarding

7.9

Food

7.4

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

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 $646, but on average you can expect to pay $942.

  • Are there last-minute flights available from Ontario to Reykjavik Keflavik Intl Airport for under $2,700?

    There are currently 3+ open flights from Ontario to Reykjavik Keflavik Intl Airport within the next 7 days for less than $2,700.

  • 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 JetBlue from $683 and British Airways from $922 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 5/28.

  • When is the best time to book a flight from Ontario to Reykjavik Keflavik Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Reykjavik Keflavik Intl Airport (average of $339). Flying from Ontario to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $710). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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