Cheap flights from Ontario (ONT) to Keflavik Intl (KEF) from $588

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 6/7. 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
Apr 21 — Apr 281

How far in advance should I book a flight from Ontario to Reykjavik Keflavik Intl Airport?

Find a great deal and save up to 29% by booking at least 42 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 June. Prices are generally better when you fly from Ontario to Reykjavik Keflavik Intl Airport in April, with the cheapest ticket starting at $565.

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 American Airlines flights from Ontario to Keflavik Intl

Explore cheap flight options specifically provided by American 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 3,185,007 searches. Data last updated April 16, 2024.
Find some of the cheapest American Airlines flights traveling from Ontario to Reykjavik. It's recommended that users confirm their flight details before booking.
Sun 10/66:32 amONT - KEF
2 stops20h 28mAmerican Airlines
Sun 10/1310:25 amKEF - ONT
2 stops44h 01mAmerican Airlines
Deal found 4/14$1,380
Sun 8/118:41 amONT - KEF
2 stops18h 19mAmerican Airlines
Mon 8/1910:50 amKEF - ONT
2 stops43h 36mAmerican Airlines
Deal found 4/15$1,391
Thu 9/262:52 pmONT - KEF
2 stops59h 38mAmerican Airlines
Mon 10/710:50 amKEF - ONT
2 stops37h 43mAmerican Airlines
Deal found 4/15$1,440
Thu 8/2210:50 amONT - KEF
2 stops39h 30mAmerican Airlines
Tue 8/2710:10 amKEF - ONT
2 stops20h 16mAmerican Airlines
Deal found 4/15$1,443
Wed 8/2111:59 pmONT - KEF
2 stops50h 21mAmerican Airlines
Sun 8/2510:25 amKEF - ONT
2 stops38h 08mAmerican Airlines
Deal found 4/15$1,451
Mon 5/611:59 pmONT - KEF
2 stops27h 06mAmerican Airlines
Fri 5/1710:35 amKEF - ONT
2 stops38h 47mAmerican Airlines
Deal found 4/16$1,463
Mon 5/62:50 pmONT - KEF
2 stops36h 15mAmerican Airlines
Fri 5/1710:35 amKEF - ONT
2 stops38h 47mAmerican Airlines
Deal found 4/15$1,464
Thu 4/2512:53 pmONT - KEF
2 stops37h 27mAmerican Airlines
Sun 6/210:25 amKEF - ONT
2 stops20h 31mAmerican Airlines
Deal found 4/16$1,757
Sun 8/188:41 amONT - KEF
2 stops18h 19mAmerican Airlines
Sat 8/2410:10 amKEF - ONT
2 stops44h 16mAmerican Airlines
Deal found 4/15$1,950

Cheap British Airways flights from Ontario to Keflavik Intl

Explore cheap flight options specifically provided by British Airways 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 3,185,007 searches. Data last updated April 16, 2024.
Take a gander at the lowest prices we've found on British Airways 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 4/2211:59 pmONT - KEF
2 stops27h 06mBritish Airways
Tue 4/3010:10 amKEF - ONT
2 stops20h 47mBritish Airways
Deal found 4/15$746
Tue 9/248:41 amONT - KEF
2 stops18h 24mBritish Airways
Tue 10/110:10 amKEF - ONT
2 stops18h 42mBritish Airways
Deal found 4/15$1,576
Fri 5/1012:50 pmONT - KEF
2 stops37h 40mBritish Airways
Fri 5/1710:35 amKEF - ONT
2 stops20h 21mBritish Airways
Deal found 4/15$1,707
Sat 9/2811:59 pmONT - KEF
2 stops27h 01mBritish Airways
Sat 10/510:10 amKEF - ONT
2 stops18h 42mBritish Airways
Deal found 4/15$1,799
Wed 5/812:50 pmONT - KEF
2 stops37h 55mBritish Airways
Sun 5/1210:25 amKEF - ONT
2 stops20h 31mBritish Airways
Deal found 4/15$1,804
Tue 8/138:41 amONT - KEF
2 stops18h 24mBritish Airways
Thu 8/2210:35 amKEF - ONT
2 stops19h 51mBritish Airways
Deal found 4/14$2,262
Sun 7/288:10 amONT - KEF
2 stops18h 50mBritish Airways
Sat 8/310:10 amKEF - ONT
2 stops19h 30mBritish Airways
Deal found 4/15$2,529
Tue 7/308:10 amONT - KEF
2 stops18h 55mBritish Airways
Thu 8/810:35 amKEF - ONT
2 stops19h 51mBritish Airways
Deal found 4/15$2,568
Sun 6/238:10 amONT - KEF
2 stops18h 50mBritish Airways
Sun 6/3010:25 amKEF - ONT
2 stops20h 34mBritish Airways
Deal found 4/15$3,968

Cheap Ontario to Keflavik Intl flights in April & May 2024

Find cheap flight options from Ontario to Keflavik Intl specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,185,007 searches. Prices were last updated on April 16, 2024.
Scroll through some of the best deals on flights from Ontario to Reykjavik in 2024. Check back regularly for other flight deals.
Mon 4/2211:59 pmONT - KEF
2 stops27h 06mBritish Airways
Tue 4/3010:10 amKEF - ONT
2 stops20h 47mBritish Airways
Deal found 4/15$746
Thu 5/95:15 amONT - KEF
2 stops44h 15mUnited Airlines
Sun 5/1212:00 pmKEF - ONT
2 stops18h 04mUnited Airlines
Deal found 4/15$860
Wed 5/155:15 amONT - KEF
2 stops20h 15mUnited Airlines
Wed 5/2212:00 pmKEF - ONT
2 stops16h 34mUnited Airlines
Deal found 4/15$877
Wed 5/155:15 amONT - KEF
2 stops20h 15mUnited Airlines
Wed 5/2212:00 pmKEF - ONT
2 stops16h 34mUnited Airlines
Deal found 4/16$890
Thu 4/186:10 amONT - KEF
2 stops20h 20mDelta
Fri 4/2611:25 amKEF - ONT
2 stops18h 32mDelta
Deal found 4/15$1,029
Fri 5/2411:40 pmONT - KEF
1 stop15h 55mMultiple Airlines
Wed 5/2910:30 amKEF - ONT
1 stop11h 56mMultiple Airlines
Deal found 4/14$1,079
Fri 5/245:15 amONT - KEF
2 stops20h 15mUnited Airlines
Wed 5/2912:00 pmKEF - ONT
2 stops16h 14mUnited Airlines
Deal found 4/14$1,139
Mon 4/2911:59 pmONT - KEF
2 stops33h 56mMultiple Airlines
Mon 5/68:45 amKEF - ONT
2 stops42h 23mMultiple Airlines
Deal found 4/15$1,258
Fri 5/2411:40 pmONT - KEF
1 stop15h 55mJetBlue
Tue 5/289:40 amKEF - ONT
1 stop19h 29mJetBlue
Deal found 4/15$1,335

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 3,185,007 searches. Data last updated April 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 11/121:28 pmONT - KEF
2 stops37h 12mBritish Airways
Mon 11/1811:50 amKEF - ONT
2 stops44h 17mBritish Airways
Deal found 4/15$713
Mon 4/2211:59 pmONT - KEF
2 stops27h 06mBritish Airways
Tue 4/3010:10 amKEF - ONT
2 stops20h 47mBritish Airways
Deal found 4/15$746
Wed 7/316:00 amONT - KEF
2 stops18h 00mUnited Airlines
Wed 8/1412:00 pmKEF - ONT
2 stops31h 33mUnited Airlines
Deal found 4/15$757
Sun 7/75:20 amONT - KEF
2 stops20h 15mMultiple Airlines
Mon 7/1510:00 amKEF - ONT
2 stops19h 45mMultiple Airlines
Deal found 4/16$764
Sun 8/116:00 amONT - KEF
2 stops19h 30mUnited Airlines
Sun 8/1812:00 pmKEF - ONT
2 stops32h 21mUnited Airlines
Deal found 4/15$772
Sun 11/1710:56 amONT - KEF
2 stops38h 19mMultiple Airlines
Sat 11/2310:00 amKEF - ONT
2 stops46h 07mMultiple Airlines
Deal found 4/15$780
Fri 7/56:00 amONT - KEF
2 stops19h 35mMultiple Airlines
Mon 7/1510:00 amKEF - ONT
2 stops33h 15mMultiple Airlines
Deal found 4/16$814
Thu 9/56:25 pmONT - KEF
2 stops31h 10mAir Canada
Sat 9/1410:00 amKEF - ONT
2 stops31h 07mAir Canada
Deal found 4/15$832
Thu 5/95:15 amONT - KEF
2 stops44h 15mUnited Airlines
Sun 5/1212:00 pmKEF - ONT
2 stops18h 04mUnited Airlines
Deal found 4/15$860

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 3,185,007 searches. Data last updated April 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.
Mon 4/2211:59 pmONT - KEF
2 stops27h 06mBritish Airways
Tue 4/3010:10 amKEF - ONT
2 stops20h 47mBritish Airways
Deal found 4/15$746
Thu 4/2512:53 pmONT - KEF
2 stops37h 27mAmerican Airlines
Sun 6/210:25 amKEF - ONT
2 stops20h 31mAmerican Airlines
Deal found 4/16$1,757

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 3,185,007 searches. Data last updated April 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.
Fri 6/712:49 amONT - KEF
2 stops22h 36mMultiple Airlines
Deal found 4/14$588
Tue 7/166:10 amONT - KEF
2 stops19h 20mUnited Airlines
Deal found 4/15$640
Mon 7/226:00 amONT - KEF
2 stops19h 30mUnited Airlines
Deal found 4/15$645
Sun 6/306:25 pmONT - KEF
2 stops31h 10mAir Canada
Deal found 4/15$672
Mon 5/201:36 pmONT - KEF
2 stops35h 54mUnited Airlines
Deal found 4/14$677
Sat 6/86:00 amONT - KEF
2 stops19h 30mUnited Airlines
Deal found 4/14$693
Sat 5/186:00 amONT - KEF
2 stops19h 30mUnited Airlines
Deal found 4/14$700
Mon 7/111:45 pmONT - KEF
1 stop15h 50mJetBlue
Deal found 4/15$715
Mon 7/2211:45 pmONT - KEF
1 stop15h 50mJetBlue
Deal found 4/15$733

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 3,185,007 searches. Data last updated April 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$757 - $1,576

Route

Depart

Return

Price

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Wed 7/31

2 stops18h 00m

Reykjavik Keflavik Intl

Wed 8/14

2 stops31h 33m

$757

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Sun 7/7

2 stops20h 15m

Reykjavik Keflavik Intl

Mon 7/15

2 stops19h 45m

$764

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Sun 8/11

2 stops19h 30m

Reykjavik Keflavik Intl

Sun 8/18

2 stops32h 21m

$772

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Fri 7/5

2 stops19h 35m

Reykjavik Keflavik Intl

Mon 7/15

2 stops33h 15m

$814

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Thu 9/5

2 stops31h 10m

Reykjavik Keflavik Intl

Sat 9/14

2 stops31h 07m

$832

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Thu 5/9

2 stops44h 15m

Reykjavik Keflavik Intl

Sun 5/12

2 stops18h 04m

$860

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Fri 5/24

1 stop15h 55m

Reykjavik Keflavik Intl

Tue 5/28

1 stop19h 29m

$1,335

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Sun 10/6

2 stops20h 28m

Reykjavik Keflavik Intl

Sun 10/13

2 stops44h 01m

$1,380

OntarioReykjavik Keflavik Intl

ONT - KEF

ONTKEF

Ontario

Tue 9/24

2 stops18h 24m

Reykjavik Keflavik Intl

Tue 10/1

2 stops18h 42m

$1,576

Flights are sorted by cheapest first

Deals found on 4/15

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 April 14, 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 April 16, 2024.
Get a feel of what it's like to fly with American Airlines, British Airways and United Airlines 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.
7.7
Good
4,685 reviews

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.9

Crew

8.3

Entertainment

7.5

Reviews

1 / 10

It was a good flight. The crew were very nice. The delay in the takeoff was not JetBlue’s fault. However, the choice of snacks needs to change. Whatever happened to Animal Crackers or Popcorners, chocolate chip cookies, etc. The old choices were better. The deplaning process is always a mess. I wish JetBlue could fix it.

7.7
Good
4,685 reviews
7.7
Good
4,685 reviews

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.9

Crew

8.3

Entertainment

7.5

Reviews

1 / 10

It was a good flight. The crew were very nice. The delay in the takeoff was not JetBlue’s fault. However, the choice of snacks needs to change. Whatever happened to Animal Crackers or Popcorners, chocolate chip cookies, etc. The old choices were better. The deplaning process is always a mess. I wish JetBlue could fix it.

7.4
Good
11,360 reviews
7.7
Good
4,685 reviews

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.9

Crew

8.3

Entertainment

7.5

Reviews

1 / 10

It was a good flight. The crew were very nice. The delay in the takeoff was not JetBlue’s fault. However, the choice of snacks needs to change. Whatever happened to Animal Crackers or Popcorners, chocolate chip cookies, etc. The old choices were better. The deplaning process is always a mess. I wish JetBlue could fix it.

7.3
Good
14,952 reviews
7.7
Good
4,685 reviews

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.9

Crew

8.3

Entertainment

7.5

Reviews

1 / 10

It was a good flight. The crew were very nice. The delay in the takeoff was not JetBlue’s fault. However, the choice of snacks needs to change. Whatever happened to Animal Crackers or Popcorners, chocolate chip cookies, etc. The old choices were better. The deplaning process is always a mess. I wish JetBlue could fix it.

7.0
Good
6,833 reviews
7.7
Good
4,685 reviews

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.9

Crew

8.3

Entertainment

7.5

Reviews

1 / 10

It was a good flight. The crew were very nice. The delay in the takeoff was not JetBlue’s fault. However, the choice of snacks needs to change. Whatever happened to Animal Crackers or Popcorners, chocolate chip cookies, etc. The old choices were better. The deplaning process is always a mess. I wish JetBlue could fix it.

6.9
Okay
6,927 reviews
7.7
Good
4,685 reviews

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.9

Crew

8.3

Entertainment

7.5

Reviews

1 / 10

It was a good flight. The crew were very nice. The delay in the takeoff was not JetBlue’s fault. However, the choice of snacks needs to change. Whatever happened to Animal Crackers or Popcorners, chocolate chip cookies, etc. The old choices were better. The deplaning process is always a mess. I wish JetBlue could fix it.

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 $800 on Cheapflights?

    Yes, there are multiple flights from Ontario to Reykjavik Keflavik Intl Airport for under $800. The cheapest flight booked recently is on United Airlines for just $757, but on average you can expect to pay $920.

  • Are there last-minute flights available from Ontario to Reykjavik Keflavik Intl Airport for under $800?

    There are currently 2+ open flights from Ontario to Reykjavik Keflavik Intl Airport within the next 7 days for less than $800.

  • 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 $640 on United Airlines. Other airlines that offer cheap prices include Air Canada from $672 and JetBlue from $715 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 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 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 see available direct flights.

  • 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 do 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 4/16.

See more FAQs

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