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Frankfurt am Main

$414+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FRA
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
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 May 12, 2026.

This Travelocity deal was found by Cheapflights users on 5/12. 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 Travelocity 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
Thu 8/2711:55 am
FRA
-
ONT
1 stop17h 29m
Multiple Airlines
Deal found 5/12$733
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:00 am
ONT
-
FRA
1 stop18h 50m
Multiple Airlines
Thu 6/1111:55 am
FRA
-
ONT
1 stop20h 56m
Multiple Airlines
Deal found 5/11$748
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:15 am
ONT
-
FRA
1 stop14h 35m
Multiple Airlines
Sat 6/1311:25 am
FRA
-
ONT
1 stop21h 26m
Multiple Airlines
Deal found 5/11$755
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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 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 stop17h 54m
Multiple Airlines
Deal found 5/12$758
This Justfly.com deal was found by Cheapflights users on 5/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:00 am
ONT
-
FRA
1 stop18h 30m
Multiple Airlines
Sat 6/1311:25 am
FRA
-
ONT
1 stop21h 26m
Multiple Airlines
Deal found 5/8$795
This Billigflug deal was found by Cheapflights users on 5/12. 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.
Thu 11/57:00 am
ONT
-
FRA
1 stop15h 50m
Multiple Airlines
Wed 11/1810:40 am
FRA
-
ONT
1 stop33h 47m
Multiple Airlines
Deal found 5/12$819
This Billigflug deal was found by Cheapflights users on 5/9. 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.
Fri 11/612:00 pm
ONT
-
FRA
1 stop34h 50m
Air France
Fri 11/2010:40 am
FRA
-
ONT
1 stop20h 34m
Air France
Deal found 5/9$820
This Billigflug deal was found by Cheapflights users on 5/11. 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.
Sun 11/87:00 am
ONT
-
FRA
1 stop15h 50m
Multiple Airlines
Sun 11/2210:40 am
FRA
-
ONT
1 stop33h 47m
Multiple Airlines
Deal found 5/11$821
This Billigflug deal was found by Cheapflights users on 5/7. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:00 am
ONT
-
FRA
1 stop15h 50m
Air France
Tue 12/810:40 am
FRA
-
ONT
1 stop16h 38m
Air France
Deal found 5/7$822
This Billigflug deal was found by Cheapflights users on 5/8. 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 11/812:00 pm
ONT
-
FRA
1 stop34h 50m
Air France
Sun 11/2210:40 am
FRA
-
ONT
1 stop16h 38m
Air France
Deal found 5/8$823
This American Airlines deal was found by Cheapflights users on 5/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:30 am
ONT
-
FRA
1 stop16h 15m
American Airlines
Thu 5/1410:55 am
FRA
-
ONT
1 stop16h 43m
American Airlines
Deal found 5/10$825
This oojo deal was found by Cheapflights users on 5/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am
ONT
-
FRA
1 stop15h 15m
British Airways
Wed 11/2510:15 am
FRA
-
ONT
1 stop17h 07m
British Airways
Deal found 5/11$826

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 May 12, 2026.

Round-trip from

$733
(Travelocity)

One-way from

$414
(Trip.com)

Popular in

June

Cheapest in

March

Average price

$1,022
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 ($352 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 12, 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

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 8/4

6:00 am-9:50 am

2 stops18h 50m

Frankfurt am Main

Thu 8/13

7:00 am-10:45 pm

2 stops24h 45m

$957

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sat 9/5

7:00 am-6:30 am

1 stop14h 30m

Frankfurt am Main

Sat 9/19

10:50 am-6:19 pm

1 stop16h 29m

$1,020

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 10/5

7:20 am-8:45 am

1 stop16h 25m

Frankfurt am Main

Mon 10/19

10:55 am-9:08 pm

1 stop19h 13m

$1,020

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 10/8

6:00 am-8:45 am

1 stop17h 45m

Frankfurt am Main

Thu 10/22

10:55 am-9:08 pm

1 stop19h 13m

$1,020

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 6/4

7:05 am-8:55 am

1 stop16h 50m

Frankfurt am Main

Sun 6/14

10:40 am-9:48 pm

1 stop20h 08m

$1,021

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 6/4

5:45 am-8:15 am

1 stop17h 30m

Frankfurt am Main

Sun 6/14

8:50 am-10:51 pm

1 stop23h 01m

$1,021
Quickest round-trip

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sun 8/16

7:00 am-6:30 am

1 stop14h 30m

Frankfurt am Main

Wed 12/23

5:25 pm-11:06 pm

1 stop14h 41m

$1,021

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Wed 7/15

6:00 am-9:50 am

2 stops18h 50m

Frankfurt am Main

Sat 7/25

11:00 am-10:38 am

2 stops32h 38m

$1,026

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Wed 7/15

5:34 am-8:45 am

1 stop18h 11m

Frankfurt am Main

Tue 7/21

9:20 am-10:34 pm

1 stop22h 14m

$1,162
Cheapest one-way

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sun 9/27

6:12 pm-8:25 pm

3 stops41h 13m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Showing 1-10 of 21 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

How much does it cost to fly round-trip from Ontario to Frankfurt am Main?

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 May 12, 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
9,701 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

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
9,701 reviews
United Airlines
7.4
Good
9,701 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

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
7,972 reviews
United Airlines
7.4
Good
9,701 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

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?

    Delta, United Airlines, and British Airways can get you from Ontario to Frankfurt am Main in just under 14h 30m. Your travel time can differ by up to 4h 20m. 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 $695 on this airline. An additional option worth looking into is British Airways, starting at $719. These flights start at 29% 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 May 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$695Average$754FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$719Average$918FlexibilityNo cancel feeOn-time70%

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