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$475+ Cheap flights from Frankfurt (FRA) to Ontario (ONT)

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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — ONT
Aug 7 — Aug 141
Fri 8/7
Fri 8/14
1 adult, Economy
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Cheap flight deals from Frankfurt to Ontario

Cheapest flights from Frankfurt to Ontario
Explore the most affordable flight options available from Frankfurt to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 8, 2026.

This AirNGo 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:55 am
FRA
-
ONT
1 stop16h 52m
British Airways
Sun 8/3012:33 pm
ONT
-
FRA
2 stops36h 02m
British Airways
Deal found 7/7$647
This AirNGo 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:55 am
FRA
-
ONT
1 stop31h 34m
British Airways
Wed 10/712:43 pm
ONT
-
FRA
1 stop35h 02m
British Airways
Deal found 7/7$650
This AirNGo 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:55 am
FRA
-
ONT
1 stop31h 34m
British Airways
Sat 10/1012:43 pm
ONT
-
FRA
1 stop35h 02m
British Airways
Deal found 7/7$651
This Flighttix 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:55 am
FRA
-
ONT
1 stop16h 52m
Multiple Airlines
Sun 8/307:05 am
ONT
-
FRA
1 stop16h 40m
Multiple Airlines
Deal found 7/7$652
This AirNGo 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:55 am
FRA
-
ONT
1 stop16h 58m
British Airways
Tue 9/298:25 am
ONT
-
FRA
1 stop15h 20m
British Airways
Deal found 7/7$654
This AirNGo 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:55 am
FRA
-
ONT
1 stop16h 58m
British Airways
Mon 10/510:25 am
ONT
-
FRA
1 stop13h 20m
British Airways
Deal found 7/7$655
This AirNGo deal was found by Cheapflights users on 7/3. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:55 am
FRA
-
ONT
1 stop19h 14m
British Airways
Thu 10/12:22 pm
ONT
-
FRA
1 stop33h 23m
British Airways
Deal found 7/3$656
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.
Sat 10/108:50 am
FRA
-
ONT
2 stops17h 56m
United Airlines
Sat 10/177:00 am
ONT
-
FRA
1 stop17h 55m
United Airlines
Deal found 7/7$657
This AirNGo deal was found by Cheapflights users on 7/4. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:55 am
FRA
-
ONT
1 stop16h 52m
British Airways
Tue 9/158:25 am
ONT
-
FRA
1 stop15h 20m
British Airways
Deal found 7/4$658
This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:40 am
FRA
-
ONT
2 stops25h 56m
Multiple Airlines
Fri 9/252:22 pm
ONT
-
FRA
2 stops22h 23m
Multiple Airlines
Deal found 7/7$659
This AirNGo deal was found by Cheapflights users on 7/4. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:55 am
FRA
-
ONT
1 stop16h 49m
British Airways
Tue 10/2010:25 am
ONT
-
FRA
1 stop13h 20m
British Airways
Deal found 7/4$661

Find flight deals from Frankfurt to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Frankfurt (FRA) to Ontario (ONT). 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 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$647
(AirNGo)

One-way from

$475
(Iberia)

Popular in

August

Cheapest in

April

Average price

$700
Provider with most accurate pricing for Frankfurt am Main-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Frankfurt am Main-Ontario flights.
Search Deals
From Frankfurt am Main to Ontario
Search Deals
One-way flight from Frankfurt am Main to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Frankfurt to Ontario 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 8, 2026.
Use the filters below to find and compare flights from Frankfurt am Main Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Thu 9/17

7:00 am-10:40 pm

2 stops24h 40m

Ontario

Thu 10/1

11:54 am-5:45 pm

2 stops20h 51m

$669

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Thu 10/1

10:55 am-11:36 pm

1 stop21h 41m

Ontario

Fri 10/16

10:25 am-8:45 am

1 stop13h 20m

$679

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 10/12

12:40 pm-10:59 pm

2 stops19h 19m

Ontario

Mon 10/19

11:10 am-9:45 am

1 stop13h 35m

$680

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Fri 8/21

10:55 am-10:59 pm

1 stop21h 04m

Ontario

Sun 9/6

6:00 am-8:45 am

1 stop17h 45m

$680

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Sun 9/27

5:30 pm-10:59 pm

1 stop14h 29m

Ontario

Sat 10/17

7:00 am-6:30 am

1 stop14h 30m

$680

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Sat 8/22

10:00 am-6:12 pm

1 stop17h 12m

Ontario

Sat 9/5

11:00 am-9:45 am

1 stop13h 45m

$680

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Wed 10/14

1:55 pm-9:59 pm

1 stop17h 04m

Ontario

Wed 10/21

4:03 pm-3:15 pm

1 stop14h 12m

$680
Quickest round-trip

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Sun 9/13

5:30 pm-10:51 pm

1 stop14h 21m

Ontario

Fri 9/25

11:10 am-9:45 am

1 stop13h 35m

$685

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 10/19

10:40 am-6:13 pm

1 stop16h 33m

Ontario

Fri 10/30

7:05 am-7:50 am

1 stop16h 45m

$695

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 10/5

10:40 am-6:09 pm

1 stop16h 29m

Ontario

Thu 10/29

7:05 am-7:50 am

1 stop16h 45m

$890

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 23 resultsSorted by cheapest first
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2
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  • Most accurate provider: When it comes to deals on Frankfurt am Main Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Frankfurt am Main Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Frankfurt am Main Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Frankfurt am Main Airport-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Frankfurt am Main Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Frankfurt to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Frankfurt 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.

Related info for your journey

Find useful and relevant information for your journey from Frankfurt to Ontario. 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 into for flights to Ontario from Frankfurt am Main?

    For a flight from Frankfurt am Main to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 inbound flights from Frankfurt am Main per day. 0 airlines have flights to Ontario from Frankfurt am Main on a regular basis.

  • How long is the flight from Frankfurt am Main Airport to Ontario?

    Delta, British Airways, and United Airlines can get you from Frankfurt am Main Airport to Ontario in just under 19h 19m. Your travel time can differ by up to 5h 21m. Frankfurt am Main Airport and Ontario are separated by a distance of 5757 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Frankfurt to Ontario that include hotel bookings?

    Yes. In addition to deals on Frankfurt to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Frankfurt to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Frankfurt to Ontario.

  • Can I find deals for business class flights from Frankfurt to Ontario?

    Yes. Cheapflights offers flight deals from Frankfurt to Ontario 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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