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Frankfurt am Main

$382+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FRA
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
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 February 13, 2026.

This Billigflug deal was found by Cheapflights users on 2/12. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:00 am
ONT
-
FRA
1 stop19h 20m
Air Canada
Tue 11/245:25 pm
FRA
-
ONT
1 stop14h 41m
Air Canada
Deal found 2/12$885
This Billigflug deal was found by Cheapflights users on 2/11. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:00 am
ONT
-
FRA
1 stop19h 20m
Air Canada
Mon 11/235:25 pm
FRA
-
ONT
1 stop14h 41m
Air Canada
Deal found 2/11$887
This United Airlines deal was found by Cheapflights users on 2/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:15 am
ONT
-
FRA
2 stops26h 50m
United Airlines
Sun 4/269:55 am
FRA
-
ONT
2 stops45h 31m
United Airlines
Deal found 2/12$900
This flugladen.de deal was found by Cheapflights users on 2/11. 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.
Mon 4/67:00 am
ONT
-
FRA
2 stops21h 00m
Multiple Airlines
Tue 4/1410:55 am
FRA
-
ONT
1 stop18h 59m
Multiple Airlines
Deal found 2/11$901
This Expedia deal was found by Cheapflights users on 2/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
ONT
-
FRA
1 stop16h 15m
British Airways
Tue 3/1710:15 am
FRA
-
ONT
1 stop16h 27m
British Airways
Deal found 2/11$906
This Expedia deal was found by Cheapflights users on 2/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:00 am
ONT
-
FRA
1 stop16h 15m
British Airways
Wed 3/1110:15 am
FRA
-
ONT
1 stop16h 27m
British Airways
Deal found 2/10$908
This Expedia deal was found by Cheapflights users on 2/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:00 am
ONT
-
FRA
1 stop16h 15m
British Airways
Fri 3/1310:50 am
FRA
-
ONT
1 stop18h 34m
British Airways
Deal found 2/12$914
This Billigflug deal was found by Cheapflights users on 2/12. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/511:05 am
ONT
-
FRA
1 stop13h 40m
Multiple Airlines
Tue 4/211:55 pm
FRA
-
ONT
1 stop16h 55m
Multiple Airlines
Deal found 2/12$915
This American Airlines deal was found by Cheapflights users on 2/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:00 am
ONT
-
FRA
1 stop15h 15m
American Airlines
Sun 3/1510:15 am
FRA
-
ONT
1 stop16h 27m
American Airlines
Deal found 2/11$916

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 February 13, 2026.

Round-trip from

$900
(United Airlines)

One-way from

$382
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$745
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. 26% potential increase in price ($331 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 February 13, 2026.
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

Tue 3/17

1:50 pm-11:05 am

2 stops37h 15m

Frankfurt am Main

Sun 4/26

5:05 pm-10:26 pm

2 stops38h 21m

$904

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 4/6

1:34 pm-9:20 am

1 stop34h 46m

Frankfurt am Main

Tue 4/21

1:55 pm-9:50 pm

1 stop16h 55m

$914

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 3/12

6:15 am-1:05 pm

2 stops22h 50m

Frankfurt am Main

Thu 3/19

12:50 pm-10:18 pm

1 stop17h 28m

$920

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 5/7

1:30 pm-3:15 pm

1 stop16h 45m

Frankfurt am Main

Fri 5/15

12:55 pm-10:59 pm

1 stop19h 04m

$922

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 5/7

1:30 pm-3:15 pm

1 stop16h 45m

Frankfurt am Main

Thu 5/14

12:55 pm-10:59 pm

1 stop19h 04m

$922

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sat 4/25

10:49 am-9:45 am

1 stop13h 56m

Frankfurt am Main

Fri 5/15

5:30 pm-10:59 pm

1 stop14h 29m

$922

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Wed 3/4

8:00 am-11:40 am

1 stop18h 40m

Frankfurt am Main

Wed 3/18

10:10 am-10:57 pm

1 stop20h 47m

$922

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sat 4/11

11:59 pm-8:45 am

1 stop23h 46m

Frankfurt am Main

Tue 4/21

10:55 am-10:36 pm

1 stop20h 41m

$923

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 4/16

11:05 am-9:45 am

1 stop13h 40m

Frankfurt am Main

Fri 4/24

12:40 pm-10:26 pm

1 stop18h 46m

$923

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 3/24

1:40 pm-2:55 pm

1 stop17h 15m

Frankfurt am Main

Mon 4/13

1:55 pm-9:50 pm

1 stop16h 55m

$923

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 24 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 $528). Flying from Ontario to Frankfurt am Main in June is currently the most expensive (average of $743). 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.

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 February 13, 2026.
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
9,286 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

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
9,286 reviews
United Airlines
7.4
Good
9,286 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

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
7,737 reviews
United Airlines
7.4
Good
9,286 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

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?

    United Airlines can get you from Ontario to Frankfurt am Main in just under 37h 15m. Your travel time can differ by up to . There are 5757 mi between Ontario and Frankfurt am Main.

  • 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 24% 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 $528). Flying from Ontario to Frankfurt am Main in June is currently the most expensive (average of $743). 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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Alternative routes for Ontario to Frankfurt am Main

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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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$700Average$875FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$719Average$934FlexibilityNo cancel feeOn-time70%

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