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Frankfurt

$342+ Cheap flights from Ontario (ONT) to Frankfurt (FRA)

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FRA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Frankfurt

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Frankfurt (FRA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$592
(flugladen.de)

One-way from

$342
(Trip.com)

Popular in

May

Cheapest in

August

Average price

$1,030
From Ontario to Frankfurt am Main
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One-way flight from Ontario to Frankfurt am Main
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Highest demand for flights based on searches. 16% potential increase in price ($179 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Frankfurt

Cheapest flights from Ontario to Frankfurt
Explore the most affordable flight options available from Ontario to Frankfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This flugladen.de deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:38 amONT - FRA
1 stop15h 37mIberia
Tue 11/2510:15 amFRA - ONT
1 stop22h 30mIberia
Deal found 6/11$592
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1211:29 pmONT - FRA
1 stop22h 51mAmerican Airlines
Thu 8/2110:55 amFRA - ONT
1 stop16h 30mAmerican Airlines
Deal found 6/10$604
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:20 pmONT - FRA
1 stop14h 35mUnited Airlines
Wed 12/241:10 pmFRA - ONT
1 stop16h 07mUnited Airlines
Deal found 6/10$654
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:40 amONT - FRA
2 stops16h 45mAir Canada
Tue 1/65:10 pmFRA - ONT
2 stops28h 23mAir Canada
Deal found 6/11$668
This KLM deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:05 amONT - FRA
1 stop16h 50mKLM
Wed 8/1310:40 amFRA - ONT
1 stop20h 40mKLM
Deal found 6/10$677
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:05 amONT - FRA
1 stop16h 50mDelta
Fri 9/2610:40 amFRA - ONT
1 stop18h 02mDelta
Deal found 6/10$684
This British Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:10 amONT - FRA
1 stop17h 35mBritish Airways
Wed 8/2010:55 amFRA - ONT
1 stop16h 29mBritish Airways
Deal found 6/10$697
This Finnair deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:48 amONT - FRA
1 stop13h 27mMultiple Airlines
Mon 12/2210:15 amFRA - ONT
1 stop16h 33mMultiple Airlines
Deal found 6/11$815
This Kissandfly.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/71:34 pmONT - FRA
1 stop12h 56mLufthansa
Sat 8/161:30 pmFRA - ONT
1 stop16h 24mLufthansa
Deal found 6/12$841

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Frankfurt 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Ontario to Frankfurt am Main Airport that are best for you.

Fly from

Ontario

Fly to

Frankfurt

Route

Depart

Return

Price

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 11/11

6:38 am-7:15 am

1 stop15h 37m

Frankfurt am Main

Tue 11/25

10:15 am-11:45 pm

1 stop22h 30m

$592

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 8/12

11:29 pm-7:20 am

1 stop22h 51m

Frankfurt am Main

Thu 8/21

10:55 am-6:25 pm

1 stop16h 30m

$604

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Wed 11/12

7:00 am-8:40 am

1 stop16h 40m

Frankfurt am Main

Wed 11/26

9:50 am-10:41 pm

1 stop21h 51m

$654

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sat 11/22

7:00 am-7:25 am

2 stops39h 25m

Frankfurt am Main

Mon 12/8

9:45 am-10:26 pm

2 stops45h 41m

$661

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 12/9

5:40 am-7:25 am

2 stops16h 45m

Frankfurt am Main

Tue 1/6

5:10 pm-12:33 pm

2 stops28h 23m

$668

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 9/1

7:05 am-8:55 am

1 stop16h 50m

Frankfurt am Main

Fri 9/26

10:40 am-7:42 pm

1 stop18h 02m

$684

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 8/4

6:10 am-8:45 am

1 stop17h 35m

Frankfurt am Main

Wed 8/20

10:55 am-6:24 pm

1 stop16h 29m

$697

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 12/8

8:48 am-7:15 am

1 stop13h 27m

Frankfurt am Main

Mon 12/22

10:15 am-5:48 pm

1 stop16h 33m

$815

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 8/7

1:34 pm-11:30 am

1 stop12h 56m

Frankfurt am Main

Sat 8/16

1:30 pm-8:54 pm

1 stop16h 24m

$841

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sat 7/5

6:51 pm-12:10 pm

1 stop32h 19m

Frankfurt am Main

Wed 7/23

1:45 pm-11:05 am

1 stop30h 20m

$1,059

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 21 results
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Best time to book a flight from Ontario to Frankfurt

Have a flexible travel schedule? Discover the best time to fly to Frankfurt 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Frankfurt am Main Airport

What is the cheapest month to book a flight from Ontario to Frankfurt am Main Airport?

Currently, January is the cheapest month in which you can book a flight from Ontario to Frankfurt am Main Airport (average of $729). Flying from Ontario to Frankfurt am Main Airport in June is currently the most expensive (average of $1,088). 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.

What is the cheapest time of day to fly from ONT to FRA?

Find hourly flight availability from Ontario to Frankfurt. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Ontario to Frankfurt am Main Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 24% versus a flight in the afternoon.

Rainfall in Frankfurt by month

Plan your trip to Frankfurt by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Frankfurt am Main Airport ranges from 1.6 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Frankfurt am Main Airport when rainfall is around 1.6 in.

Temperature in Frankfurt by month

Plan your trip to Frankfurt by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Frankfurt am Main Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Frankfurt

Get insights into the airlines that provide service to Frankfurt. 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 Frankfurt. Reviews last updated June 12, 2025.
See what other customers who have flown with China Airlines, Delta and KLM from Ontario to Frankfurt am Main have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very good
738 reviews

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Overall

8.3

Food

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very good
738 reviews
China Airlines
8.3
Very good
738 reviews

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Overall

8.3

Food

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Delta
8.0
Very good
7,946 reviews
China Airlines
8.3
Very good
738 reviews

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Overall

8.3

Food

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
KLM
7.8
Good
1,358 reviews
China Airlines
8.3
Very good
738 reviews

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Overall

8.3

Food

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
United Airlines
7.4
Good
8,790 reviews
China Airlines
8.3
Very good
738 reviews

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Overall

8.3

Food

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
American Airlines
7.2
Good
10,000 reviews
China Airlines
8.3
Very good
738 reviews

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Overall

8.3

Food

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Related info for your journey

Find useful and relevant information for your journey from Ontario to Frankfurt. 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 Frankfurt am Main?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Frankfurt am Main. 2 airlines have flights from Ontario to Frankfurt am Main on a regular basis. Booking flights from Ontario to Frankfurt am Main should not be difficult; the airport handles an average of 0 outbound flights to Frankfurt am Main per day.

  • What are the cheapest airlines flying from Ontario to Frankfurt am Main Airport round-trip?

    Iberia, at $592, was found to be the cheapest airline from Ontario to Frankfurt am Main Airport.Alternate airlines to your destination round-trip include American Airlines and KLM. These flights start at 35% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Frankfurt am Main Airport one-way?

    For one-way options, check prices for Iberia. According to our data, you can fly for as low as $419. Users have also found prices from $436 and $441 on British Airways and KLM, respectively.

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

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

  • How can I find direct flights from Ontario to Frankfurt?

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

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

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

  • What is the cheapest month to book a flight from Ontario to Frankfurt am Main Airport?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Frankfurt am Main Airport (average of $729). Flying from Ontario to Frankfurt am Main Airport in June is currently the most expensive (average of $1,088). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Koblenz
Wurzburg
Wiesbaden
Speyer
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Trier
Baden-Baden
Boppard
Darmstadt
Cochem

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Top 2 airlines flying from Ontario to Frankfurt

Discover the top 2 airlines that operate flights from Ontario to Frankfurt. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$745Average$977FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$751Average$831FlexibilityNo cancel feeOn-time70%

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