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Frankfurt am Main

$380+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FRA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Air Canada deal was found by Cheapflights users on 12/11. 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.
Mon 12/295:05 amONT - FRA
2 stops45h 05mAir Canada
Wed 1/145:10 pmFRA - ONT
2 stops36h 48mAir Canada
Deal found 12/11$709
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:05 amONT - FRA
1 stop19h 15mUnited Airlines
Mon 1/128:15 amFRA - ONT
2 stops23h 38mUnited Airlines
Deal found 12/11$716
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:05 amONT - FRA
1 stop16h 35mDelta
Fri 1/1611:50 amFRA - ONT
2 stops42h 58mDelta
Deal found 12/11$717
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:05 amONT - FRA
1 stop16h 35mDelta
Thu 1/159:50 amFRA - ONT
1 stop20h 15mDelta
Deal found 12/11$719
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:05 amONT - FRA
1 stop19h 15mUnited Airlines
Fri 1/168:15 amFRA - ONT
2 stops37h 02mUnited Airlines
Deal found 12/11$722
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:05 amONT - FRA
2 stops25h 55mUnited Airlines
Mon 1/128:15 amFRA - ONT
2 stops23h 38mUnited Airlines
Deal found 12/11$723
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/241:40 pmONT - FRA
1 stop34h 40mUnited Airlines
Sun 1/1112:15 pmFRA - ONT
2 stops32h 03mUnited Airlines
Deal found 12/10$728
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:05 amONT - FRA
1 stop19h 15mUnited Airlines
Sun 1/113:10 pmFRA - ONT
2 stops35h 33mUnited Airlines
Deal found 12/11$734
This Air Canada deal was found by Cheapflights users on 12/11. 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.
Mon 12/295:05 amONT - FRA
2 stops45h 05mAir Canada
Thu 1/155:10 pmFRA - ONT
2 stops52h 37mAir Canada
Deal found 12/11$737
This Air Canada deal was found by Cheapflights users on 12/11. 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 12/305:05 amONT - FRA
2 stops40h 35mAir Canada
Mon 1/121:30 pmFRA - ONT
2 stops40h 28mAir Canada
Deal found 12/11$738
This Finnair deal was found by Cheapflights users on 12/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:10 amONT - FRA
2 stops17h 40mMultiple Airlines
Sun 1/1110:15 amFRA - ONT
2 stops32h 53mMultiple Airlines
Deal found 12/10$740
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:05 amONT - FRA
2 stops25h 55mUnited Airlines
Sat 1/1010:20 amFRA - ONT
2 stops33h 58mUnited Airlines
Deal found 12/11$741

Find 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 December 12, 2025.

Round-trip from

$692
(Flighttix)

One-way from

$380
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$934
From Ontario to Frankfurt am Main
Search Deals
One-way flight from Ontario to Frankfurt am Main
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($307 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 12, 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

Wed 1/28

6:00 am-7:25 am

2 stops16h 25m

Frankfurt am Main

Sun 2/1

10:40 am-5:43 pm

2 stops40h 03m

$699

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 12/30

5:05 am-6:40 am

2 stops40h 35m

Frankfurt am Main

Fri 1/16

10:05 am-12:47 pm

2 stops35h 42m

$709

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Wed 3/11

1:50 pm-11:30 am

1 stop13h 40m

Frankfurt am Main

Tue 4/14

5:30 pm-11:06 pm

1 stop14h 36m

$710

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 3/10

1:50 pm-11:30 am

1 stop13h 40m

Frankfurt am Main

Tue 4/14

5:30 pm-11:06 pm

1 stop14h 36m

$710

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 2/2

12:41 pm-8:40 am

1 stop34h 59m

Frankfurt am Main

Wed 2/18

9:50 am-9:05 pm

1 stop20h 15m

$711

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sun 12/28

5:05 am-9:20 am

1 stop19h 15m

Frankfurt am Main

Wed 1/14

10:15 am-10:53 pm

2 stops21h 38m

$716

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sun 12/28

5:05 am-9:20 am

1 stop19h 15m

Frankfurt am Main

Mon 1/12

8:15 am-10:53 pm

2 stops23h 38m

$716

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 12/29

5:05 am-9:20 am

1 stop19h 15m

Frankfurt am Main

Wed 1/14

12:15 pm-10:53 pm

2 stops19h 38m

$716

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 12/29

5:05 am-9:20 am

1 stop19h 15m

Frankfurt am Main

Mon 1/12

8:15 am-10:53 pm

2 stops23h 38m

$716

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 2/12

6:10 am-7:15 am

1 stop16h 05m

Frankfurt am Main

Tue 2/17

10:15 am-10:49 pm

1 stop21h 34m

$719

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 20 results
1
2

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 $322). 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 December 12, 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 December 12, 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
9,095 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

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
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

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
7,573 reviews
United Airlines
7.4
Good
9,095 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

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?

    Air Canada, United Airlines, and Delta can get you from Ontario to Frankfurt am Main in just under 13h 40m. Your travel time can differ by up to 21h 19m. 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 $700 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 $322). 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$700Average$809FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$719Average$830FlexibilityNo cancel feeOn-time70%

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