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Frankfurt am Main

$395+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FRA
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
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 July 11, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 7/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:54 am
ONT
-
FRA
1 stop14h 56m
Multiple Airlines
Mon 8/3111:30 am
FRA
-
ONT
1 stop14h 40m
Multiple Airlines
Deal found 7/8$747
This United Airlines deal was found by Cheapflights users on 7/7. 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 11/101:52 pm
ONT
-
FRA
1 stop35h 38m
United Airlines
Thu 11/124:10 pm
FRA
-
ONT
2 stops35h 19m
United Airlines
Deal found 7/7$767
This Billigflug deal was found by Cheapflights users on 7/9. 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.
Sat 11/77:05 am
ONT
-
FRA
1 stop15h 45m
Multiple Airlines
Sat 11/2110:40 am
FRA
-
ONT
1 stop33h 47m
Multiple Airlines
Deal found 7/9$804
This Billigflug deal was found by Cheapflights users on 7/8. 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 11/17:05 am
ONT
-
FRA
1 stop15h 45m
Multiple Airlines
Tue 11/1710:40 am
FRA
-
ONT
1 stop33h 47m
Multiple Airlines
Deal found 7/8$805
This Billigflug deal was found by Cheapflights users on 7/10. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:18 pm
ONT
-
FRA
1 stop34h 32m
Air France
Sun 11/2210:40 am
FRA
-
ONT
1 stop20h 34m
Air France
Deal found 7/10$806
This Delta deal was found by Cheapflights users on 7/9. 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.
Wed 11/187:00 am
ONT
-
FRA
1 stop15h 50m
Delta
Fri 11/276:50 am
FRA
-
ONT
2 stops24h 53m
Delta
Deal found 7/9$811
This Booking.com deal was found by Cheapflights users on 7/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:12 am
ONT
-
FRA
1 stop18h 38m
Multiple Airlines
Mon 8/3111:30 am
FRA
-
ONT
1 stop17h 54m
Multiple Airlines
Deal found 7/11$812
This FlightHub deal was found by Cheapflights users on 7/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:54 am
ONT
-
FRA
1 stop14h 56m
Multiple Airlines
Tue 8/2511:40 am
FRA
-
ONT
1 stop19h 57m
Multiple Airlines
Deal found 7/9$818
This Air France deal was found by Cheapflights users on 7/9. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:05 am
ONT
-
FRA
1 stop16h 50m
Multiple Airlines
Fri 8/2110:40 am
FRA
-
ONT
1 stop16h 50m
Multiple Airlines
Deal found 7/9$834

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 July 11, 2026.

Round-trip from

$747
(Cheapflightsfares)

One-way from

$395
(Cheapflightsfares)

Popular in

June

Cheapest in

March

Average price

$1,367
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 ($323 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($65 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 11, 2026.
Use the filters below to find and compare flights from Ontario to Frankfurt am Main that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 12/1

4:03 pm-2:55 pm

1 stop13h 52m

Frankfurt am Main

Thu 12/10

5:25 pm-11:06 pm

1 stop14h 41m

$904

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Fri 9/18

6:00 am-8:45 am

1 stop17h 45m

Frankfurt am Main

Wed 9/30

10:55 am-10:37 pm

1 stop20h 42m

$997

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 12/3

4:03 pm-2:55 pm

1 stop13h 52m

Frankfurt am Main

Mon 12/14

1:50 pm-9:21 pm

1 stop16h 31m

$1,004

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 9/1

9:15 am-11:15 am

1 stop17h 00m

Frankfurt am Main

Sat 10/31

1:30 pm-8:06 pm

1 stop14h 36m

$1,004

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Wed 7/22

7:05 am-8:55 am

1 stop16h 50m

Frankfurt am Main

Mon 8/3

10:40 am-6:30 pm

1 stop16h 50m

$1,191

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 9/21

9:10 pm-9:15 pm

2 stops39h 05m

Frankfurt am Main

Mon 9/28

7:00 pm-8:13 pm

2 stops34h 13m

$1,231

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sun 8/9

10:40 am-1:00 pm

2 stops17h 20m

Frankfurt am Main

Tue 8/25

2:00 pm-10:00 pm

2 stops17h 00m

$1,320

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 12/1

10:05 am-12:10 pm

2 stops17h 05m

Frankfurt am Main

Tue 12/8

1:05 pm-10:39 pm

2 stops18h 34m

$1,322

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 11/10

6:10 am-7:15 am

1 stop16h 05m

Frankfurt am Main

Thu 11/12

10:15 am-11:57 pm

1 stop22h 42m

$1,325

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 8/4

7:05 am-8:55 am

1 stop16h 50m

Frankfurt am Main

Fri 8/14

10:40 am-6:30 pm

1 stop16h 50m

$1,354

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 24 resultsSorted by cheapest first
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
No data available for this route at this time. Please check back soon.

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 July 11, 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
9,977 reviews

Comfort

7.3

Boarding

7.7

Food

6.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,977 reviews
United Airlines
7.4
Good
9,977 reviews

Comfort

7.3

Boarding

7.7

Food

6.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
British Airways
6.7
Okay
8,107 reviews
United Airlines
7.4
Good
9,977 reviews

Comfort

7.3

Boarding

7.7

Food

6.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 35h 38m. 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 $695 on this airline. An additional option worth looking into is British Airways, starting at $719. These flights start at 30% 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.

See more FAQs

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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 July 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$695Average$754FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$719Average$918FlexibilityNo cancel feeOn-time70%

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