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Frankfurt am Main

$544+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FRA
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 3, 2026.

This Billigflug deal was found by Cheapflights users on 2/1. 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 2/235:00 am
ONT
-
FRA
1 stop19h 20m
Air Canada
Mon 3/911:10 am
FRA
-
ONT
1 stop33h 39m
Air Canada
Deal found 2/1$878
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/176:15 am
ONT
-
FRA
2 stops20h 50m
United Airlines
Sun 4/269:55 am
FRA
-
ONT
2 stops45h 31m
United Airlines
Deal found 2/2$901
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 2/167:00 am
ONT
-
FRA
1 stop15h 15m
American Airlines
Mon 3/210:15 am
FRA
-
ONT
1 stop17h 27m
American Airlines
Deal found 2/1$906
This Air Canada deal was found by Cheapflights users on 2/1. 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 5/56:00 am
ONT
-
FRA
2 stops17h 05m
Multiple Airlines
Fri 5/159:55 am
FRA
-
ONT
3 stops43h 41m
Multiple Airlines
Deal found 2/1$912
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
ONT
-
FRA
1 stop17h 45m
British Airways
Thu 4/3010:55 am
FRA
-
ONT
1 stop16h 42m
British Airways
Deal found 2/2$913
This Iberia deal was found by Cheapflights users on 2/1. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:00 am
ONT
-
FRA
1 stop15h 15m
Iberia
Thu 3/1210:15 am
FRA
-
ONT
1 stop20h 15m
Iberia
Deal found 2/1$915
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/101:50 pm
ONT
-
FRA
2 stops16h 15m
United Airlines
Thu 3/198:15 am
FRA
-
ONT
2 stops22h 42m
United Airlines
Deal found 2/2$919
This Iberia deal was found by Cheapflights users on 2/2. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:56 am
ONT
-
FRA
2 stops22h 14m
Multiple Airlines
Mon 4/1310:55 am
FRA
-
ONT
1 stop21h 51m
Multiple Airlines
Deal found 2/2$922
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/171:40 pm
ONT
-
FRA
1 stop17h 15m
United Airlines
Wed 4/1510:25 am
FRA
-
ONT
1 stop16h 22m
United Airlines
Deal found 2/1$924
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/61:34 pm
ONT
-
FRA
1 stop34h 46m
United Airlines
Tue 4/2110:50 am
FRA
-
ONT
1 stop20h 36m
United Airlines
Deal found 2/2$931

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 3, 2026.

Round-trip from

$878
(Billigflug)

One-way from

$544
(Mytrip)

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 ($337 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($47 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 3, 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

6:15 am-12:05 pm

2 stops21h 50m

Frankfurt am Main

Sun 4/26

9:55 am-10:26 pm

2 stops45h 31m

$901

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Wed 3/18

1:40 pm-4:05 pm

2 stops18h 25m

Frankfurt am Main

Wed 3/25

1:50 pm-10:36 pm

1 stop16h 46m

$921

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 4/14

7:30 am-8:45 am

1 stop16h 15m

Frankfurt am Main

Thu 4/23

10:55 am-11:46 pm

1 stop21h 51m

$924

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sun 5/3

7:00 am-6:30 am

1 stop14h 30m

Frankfurt am Main

Thu 5/14

1:55 pm-9:58 pm

1 stop17h 03m

$924

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 3/16

1:50 pm-11:30 am

1 stop13h 40m

Frankfurt am Main

Thu 4/16

11:20 am-8:36 pm

1 stop18h 16m

$924

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 3/23

1:40 pm-2:55 pm

1 stop17h 15m

Frankfurt am Main

Thu 4/2

12:55 pm-10:45 pm

1 stop18h 50m

$924

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 3/17

5:15 am-9:20 am

1 stop20h 05m

Frankfurt am Main

Wed 4/1

1:55 pm-9:50 pm

1 stop16h 55m

$924

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 3/24

1:50 pm-11:30 am

1 stop13h 40m

Frankfurt am Main

Wed 4/1

1:55 pm-9:50 pm

1 stop16h 55m

$924

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 3/10

1:40 pm-2:55 pm

1 stop17h 15m

Frankfurt am Main

Tue 4/14

12:40 pm-10:26 pm

1 stop18h 46m

$924

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 3/23

1:40 pm-2:55 pm

1 stop17h 15m

Frankfurt am Main

Wed 4/1

1:55 pm-9:50 pm

1 stop16h 55m

$924

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 21 results
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2
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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 3, 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
9,236 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

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
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

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
7,712 reviews
United Airlines
7.4
Good
9,236 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

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 21h 50m. 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 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$700Average$875FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$719Average$934FlexibilityNo cancel feeOn-time70%

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