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$543+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — ONT
Jun 23 — Jun 301
Tue 6/23
Tue 6/30
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 May 24, 2026.

This Expedia deal was found by Cheapflights users on 5/22. 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.
Mon 6/110:55 am
FRA
-
ONT
1 stop22h 04m
British Airways
Mon 6/87:00 am
ONT
-
FRA
1 stop16h 45m
British Airways
Deal found 5/22$679
This Flighttix deal was found by Cheapflights users on 5/22. 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 6/19:20 am
FRA
-
ONT
2 stops19h 36m
Multiple Airlines
Mon 6/87:00 am
ONT
-
FRA
1 stop16h 45m
Multiple Airlines
Deal found 5/22$681
This AirNGo deal was found by Cheapflights users on 5/21. 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 6/110:55 am
FRA
-
ONT
1 stop18h 01m
British Airways
Mon 6/157:00 am
ONT
-
FRA
1 stop16h 45m
British Airways
Deal found 5/21$682
This AirNGo deal was found by Cheapflights users on 5/20. 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.
Wed 10/2110:55 am
FRA
-
ONT
1 stop17h 02m
British Airways
Wed 11/47:00 am
ONT
-
FRA
1 stop15h 15m
British Airways
Deal found 5/20$683
This lastminute.com deal was found by Cheapflights users on 5/20. 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.
Sat 11/712:15 pm
FRA
-
ONT
2 stops19h 08m
Multiple Airlines
Mon 11/1610:47 am
ONT
-
FRA
2 stops19h 43m
Multiple Airlines
Deal found 5/20$684
This Flightnetwork deal was found by Cheapflights users on 5/24. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:55 am
FRA
-
ONT
1 stop16h 52m
British Airways
Mon 9/146:00 am
ONT
-
FRA
1 stop17h 45m
British Airways
Deal found 5/24$685
This Flightnetwork deal was found by Cheapflights users on 5/24. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:55 am
FRA
-
ONT
1 stop17h 02m
British Airways
Wed 10/216:00 am
ONT
-
FRA
1 stop17h 45m
British Airways
Deal found 5/24$686
This American Airlines deal was found by Cheapflights users on 5/22. 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.
Wed 8/1212:10 pm
FRA
-
ONT
2 stops19h 48m
American Airlines
Tue 8/257:06 am
ONT
-
FRA
2 stops27h 39m
American Airlines
Deal found 5/22$687
This Air Canada deal was found by Cheapflights users on 5/23. 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 7/2810:15 am
FRA
-
ONT
2 stops45h 22m
Air Canada
Sun 8/96:00 am
ONT
-
FRA
2 stops41h 05m
Air Canada
Deal found 5/23$688
This Gotogate deal was found by Cheapflights users on 5/20. 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.
Tue 6/1610:55 am
FRA
-
ONT
1 stop18h 01m
British Airways
Sun 6/285:45 am
ONT
-
FRA
1 stop18h 00m
British Airways
Deal found 5/20$689
This Expedia deal was found by Cheapflights users on 5/24. 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.
Mon 6/810:55 am
FRA
-
ONT
1 stop18h 01m
British Airways
Mon 6/225:45 am
ONT
-
FRA
1 stop18h 00m
British Airways
Deal found 5/24$690
This American Airlines deal was found by Cheapflights users on 5/23. 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.
Wed 10/219:20 am
FRA
-
ONT
1 stop19h 44m
American Airlines
Sun 10/252:22 pm
ONT
-
FRA
2 stops18h 28m
American Airlines
Deal found 5/23$691

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 May 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$679
(AirNGo)

One-way from

$543
(Flightnetwork)

Popular in

July

Cheapest in

February

Average price

$814
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. 4% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 24, 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 10/1

10:55 am-11:06 pm

1 stop21h 11m

Ontario

Wed 10/14

6:00 am-8:45 am

1 stop17h 45m

$701

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Sat 7/11

1:55 pm-9:55 pm

1 stop17h 00m

Ontario

Sat 8/8

6:10 am-6:30 am

1 stop15h 20m

$701

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 6/15

10:55 am-10:39 pm

1 stop20h 44m

Ontario

Sun 6/28

7:00 am-8:45 am

1 stop16h 45m

$701

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 6/15

10:55 am-11:59 pm

1 stop22h 04m

Ontario

Sun 6/28

5:45 am-8:45 am

1 stop18h 00m

$701

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Tue 7/7

1:55 pm-9:55 pm

1 stop17h 00m

Ontario

Tue 7/21

4:20 pm-3:15 pm

1 stop13h 55m

$702

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 8/17

9:20 am-9:11 pm

1 stop20h 51m

Ontario

Sun 8/30

7:06 am-8:45 am

1 stop16h 39m

$702

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Wed 7/29

1:55 pm-9:55 pm

1 stop17h 00m

Ontario

Fri 8/14

9:01 am-9:45 am

1 stop15h 44m

$702

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 9/7

9:20 am-9:11 pm

1 stop20h 51m

Ontario

Sun 9/20

7:20 am-8:45 am

1 stop16h 25m

$702
Quickest round-trip

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Sat 10/17

5:30 pm-10:59 pm

1 stop14h 29m

Ontario

Thu 10/29

1:00 pm-9:20 am

1 stop12h 20m

$702

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Tue 8/11

10:55 am-9:34 am

1 stop31h 39m

Ontario

Thu 8/27

2:27 pm-8:45 am

1 stop33h 18m

$702

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3
  • 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?

    British Airways, United Airlines, and Iberia can get you from Frankfurt am Main Airport to Ontario in just under 17h. Your travel time can differ by up to 4h 11m. 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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