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Frankfurt am Main

$302+ Cheap flights from Ontario (ONT) to Frankfurt am Main

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FRA
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheap flight deals from Ontario to Frankfurt am Main

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Frankfurt am Main (FK0). 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 October 16, 2025.

Round-trip from

$680
(Billigflug)

One-way from

$302
(Kiwi.com)

Popular in

May

Cheapest in

September

Average price

$964
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. 23% potential increase in price ($290 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Ontario to Frankfurt am Main

Cheapest flights from Ontario to Frankfurt am Main
Explore the most affordable flight options available from Ontario to Frankfurt am Main. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Billigflug deal was found by Cheapflights users on 10/15. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:05 amONT - FRA
1 stop20h 15mAir Canada
Tue 11/115:25 pmFRA - ONT
1 stop14h 26mAir Canada
Deal found 10/15$680
This Billigflug deal was found by Cheapflights users on 10/16. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:05 amONT - FRA
1 stop20h 15mAir Canada
Sun 11/95:25 pmFRA - ONT
1 stop28h 12mAir Canada
Deal found 10/16$682
This Billigflug deal was found by Cheapflights users on 10/16. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:05 amONT - FRA
1 stop19h 15mAir Canada
Tue 11/1811:10 amFRA - ONT
1 stop18h 34mAir Canada
Deal found 10/16$683
This Booking.com deal was found by Cheapflights users on 10/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:15 amONT - FRA
1 stop15h 00mBritish Airways
Wed 11/1210:15 amFRA - ONT
1 stop17h 06mBritish Airways
Deal found 10/15$708
This Finnair deal was found by Cheapflights users on 10/16. 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.
Thu 10/308:15 amONT - FRA
1 stop15h 00mMultiple Airlines
Thu 11/1310:15 amFRA - ONT
1 stop17h 07mMultiple Airlines
Deal found 10/16$711
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Thu 12/46:00 amONT - FRA
1 stop23h 55mUnited Airlines
Tue 12/1610:10 amFRA - ONT
1 stop21h 39mUnited Airlines
Deal found 10/16$717
This Air Canada deal was found by Cheapflights users on 10/15. 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.
Thu 11/205:05 amONT - FRA
2 stops17h 20mAir Canada
Thu 11/275:10 pmFRA - ONT
2 stops28h 23mAir Canada
Deal found 10/15$730
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 11/296:00 amONT - FRA
2 stops20h 05mUnited Airlines
Sat 12/68:15 amFRA - ONT
2 stops21h 27mUnited Airlines
Deal found 10/15$746
This Delta deal was found by Cheapflights users on 10/14. 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.
Thu 12/257:05 amONT - FRA
1 stop16h 35mDelta
Mon 12/299:50 amFRA - ONT
1 stop22h 33mDelta
Deal found 10/14$747
This Booking.com deal was found by Cheapflights users on 10/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:00 amONT - FRA
1 stop16h 15mBritish Airways
Tue 12/2310:15 amFRA - ONT
1 stop17h 01mBritish Airways
Deal found 10/16$751
This Delta deal was found by Cheapflights users on 10/14. 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.
Thu 12/257:05 amONT - FRA
1 stop16h 35mDelta
Wed 1/710:40 amFRA - ONT
2 stops21h 12mDelta
Deal found 10/14$752

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Frankfurt am Main 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 October 16, 2025.
Use the filters below to find and compare flights from Ontario to Frankfurt am Main that are best for you.

Fly from

Ontario

Fly to

Frankfurt am Main

Route

Depart

Return

Price

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 4/2

6:02 am-8:15 am

1 stop17h 13m

Frankfurt am Main

Mon 4/6

9:55 am-10:26 pm

2 stops45h 31m

$694

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sun 2/15

6:47 am-7:15 am

1 stop15h 28m

Frankfurt am Main

Sun 3/1

10:15 am-5:51 pm

1 stop16h 36m

$708

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Wed 3/18

10:30 pm-8:40 am

1 stop26h 10m

Frankfurt am Main

Wed 4/1

10:40 am-9:14 pm

1 stop19h 34m

$711

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 12/4

1:50 pm-2:55 pm

1 stop16h 05m

Frankfurt am Main

Tue 12/16

8:40 am-10:49 pm

2 stops23h 09m

$717

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Fri 2/13

6:00 am-7:15 am

1 stop16h 15m

Frankfurt am Main

Fri 2/27

10:15 am-5:51 pm

1 stop16h 36m

$717

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 12/2

5:05 am-11:30 am

1 stop21h 25m

Frankfurt am Main

Wed 1/28

1:20 pm-10:53 pm

1 stop18h 33m

$717

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Wed 11/19

7:00 am-9:55 am

1 stop17h 55m

Frankfurt am Main

Tue 12/9

12:50 pm-10:49 pm

2 stops18h 59m

$717

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Fri 11/28

7:00 am-9:55 am

1 stop17h 55m

Frankfurt am Main

Wed 12/3

1:20 pm-10:49 pm

1 stop18h 29m

$717

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 11/6

1:40 pm-2:55 pm

1 stop16h 15m

Frankfurt am Main

Thu 11/20

11:30 am-10:51 pm

2 stops20h 21m

$717

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Wed 12/3

1:34 pm-11:30 am

1 stop12h 56m

Frankfurt am Main

Wed 12/10

8:40 am-10:49 pm

2 stops23h 09m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Ontario to Frankfurt am Main

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

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

Currently, February is the cheapest month in which you can book a flight from Ontario to Frankfurt am Main (average of $439). Flying from Ontario to Frankfurt am Main in June is currently the most expensive (average of $775). 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 am Main. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

When flying from Ontario to Frankfurt am Main, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 34% versus a flight in the afternoon.

Reviews of airlines servicing Frankfurt am Main

Get insights into the airlines that provide service to Frankfurt am Main. 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 am Main. Reviews last updated October 16, 2025.
Get a feel of what it's like to fly with United Airlines and British Airways from Ontario to Frankfurt am Main by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,982 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,982 reviews
United Airlines
7.4
Good
8,982 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,457 reviews
United Airlines
7.4
Good
8,982 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

  • How long is the flight from Ontario to Frankfurt am Main?

    United Airlines and Air France can get you from Ontario to Frankfurt am Main in just under 17h 13m. Your travel time can differ by up to 8h 57m. There are 5757 mi between Ontario and Frankfurt am Main. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Our cheapest airline available from Ontario to Frankfurt am Main is United Airlines. Our recent data shows that you can find tickets from as low as $712 on this airline. An additional option worth looking into is British Airways, starting at $719. These flights start at 26% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Frankfurt am Main 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?

    Currently, February is the cheapest month in which you can book a flight from Ontario to Frankfurt am Main (average of $439). Flying from Ontario to Frankfurt am Main in June is currently the most expensive (average of $775). 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.

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Top 2 airlines flying from Ontario to Frankfurt am Main

Discover the top 2 airlines that operate flights from Ontario to Frankfurt am Main. 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$712Average$917FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$719Average$830FlexibilityNo cancel feeOn-time70%

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