FRA - ONT

379€ Find Cheap Flights from Frankfurt am Main to Ontario – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
557 €
Typical prices: 552 €-920 €
British Airways
Tue 6.11.Tue 13.11.
FRA - ONT • 1 stop
Cheapest one-way flight
379 €
Typical prices: 466 €-653 €
Multiple Airlines
Mon 22.10.
FRA - ONT • 1 stop
Direct flights
Not available
There are currently no direct flights between Frankfurt am Main Airport and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
November
Cheapest • 10% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Denver Intl (DEN)
Cheapest • Avg 602 € (return)
Dallas/Fort Worth (DFW)
Shortest trip • 16h 45m (one-way)
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Insights
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We hope you enjoy your trip to Ontario!
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Flight Deals

Cheap Flights from Frankfurt am Main to Ontario (FRA-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Frankfurt to Ontario

Fri, 6. Nov - Fri, 13. Nov
British Airways Logo
10:15 - 18:42FRA  Frankfurt am Main-ONT Ontario
17h 27m1 stop Dallas/Fort Worth
British Airways Logo
13:23 - 9:50ONT  Ontario-FRA Frankfurt am Main
35h 27m2 stops Phoenix Sky Harbor Intl London Heathrow
557 €British Airways
Fri, 6. Nov - Fri, 13. Nov
British Airways Logo
10:50 - 23:46FRA  Frankfurt am Main-ONT Ontario
21h 56m2 stops Charlotte Douglas Dallas/Fort Worth
British Airways Logo
6:00 - 7:15ONT  Ontario-FRA Frankfurt am Main
16h 15m1 stop Dallas/Fort Worth
559 €British Airways
Fri, 6. Nov - Fri, 13. Nov
British Airways Logo
10:50 - 23:01FRA  Frankfurt am Main-ONT Ontario
21h 11m1 stop Charlotte Douglas
British Airways Logo
7:00 - 7:15ONT  Ontario-FRA Frankfurt am Main
15h 15m1 stop Dallas/Fort Worth
563 €British Airways
Fri, 6. Nov - Fri, 13. Nov
British Airways Logo
10:15 - 18:42FRA  Frankfurt am Main-ONT Ontario
17h 27m1 stop Dallas/Fort Worth
British Airways Logo
13:23 - 9:50ONT  Ontario-FRA Frankfurt am Main
35h 27m2 stops Phoenix Sky Harbor Intl London Heathrow
565 €British Airways
Fri, 6. Nov - Sun, 8. Nov
British Airways Logo
10:15 - 9:40FRA  Frankfurt am Main-ONT Ontario
32h 25m1 stop Dallas/Fort Worth
British Airways Logo
16:25 - 22:05ONT  Ontario-FRA Frankfurt am Main
20h 40m2 stops Phoenix Sky Harbor Intl London Heathrow
566 €British Airways
Sat, 21. Nov - Mon, 30. Nov
British Airways Logo
10:15 - 9:47FRA  Frankfurt am Main-ONT Ontario
32h 32m1 stop Dallas/Fort Worth
British Airways Logo
16:25 - 18:10ONT  Ontario-FRA Frankfurt am Main
16h 45m2 stops Phoenix Sky Harbor Intl London Heathrow
567 €British Airways
Fri, 6. Nov - Fri, 13. Nov
British Airways Logo
10:50 - 23:01FRA  Frankfurt am Main-ONT Ontario
21h 11m1 stop Charlotte Douglas
British Airways Logo
7:00 - 7:15ONT  Ontario-FRA Frankfurt am Main
15h 15m1 stop Dallas/Fort Worth
568 €British Airways
Fri, 6. Nov - Sun, 8. Nov
British Airways Logo
10:15 - 18:42FRA  Frankfurt am Main-ONT Ontario
17h 27m1 stop Dallas/Fort Worth
British Airways Logo
6:00 - 7:15ONT  Ontario-FRA Frankfurt am Main
16h 15m1 stop Dallas/Fort Worth
569 €British Airways
Fri, 6. Nov - Fri, 13. Nov
United Airlines Logo
11:25 - 22:48FRA  Frankfurt am Main-ONT Ontario
20h 23m2 stops Zurich San Francisco
United Airlines Logo
6:00 - 9:20ONT  Ontario-FRA Frankfurt am Main
18h 20m2 stops San Francisco Denver Intl
576 €United Airlines
Mon, 19. Oct - Fri, 30. Oct
United Airlines Logo
9:30 - 20:31FRA  Frankfurt am Main-ONT Ontario
20h 01m2 stops Zurich San Francisco
United Airlines Logo
6:59 - 6:35ONT  Ontario-FRA Frankfurt am Main
15h 36m1 stop Chicago O'Hare Intl
576 €United Airlines
Booking Insights

Price, demand, and travel trends for Frankfurt am Main Airport to Ontario flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Frankfurt am Main Airport to Ontario with more confidence.

How much is a return flight from Frankfurt am Main Airport to Ontario?

Return flights from Frankfurt am Main Airport to Ontario start at 557 €. Prices are typical for this route right now, with typical return fares ranging from 552 € to 920 €. The lowest price found in the past 5 days was 557 € on British Airways.

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Key details for Frankfurt am Main Airport to Ontario flights

Low season

February

Cheapest flight

379 €
Most popular time to fly and prices are also 10% lower on average.
Flights from Frankfurt am Main Airport to Ontario

When to book flights from Frankfurt to Ontario

Are your dates flexible? Find out the best times to travel from Frankfurt to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Frankfurt am Main Airport to Ontario flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Frankfurt am Main Airport to Ontario?

    Flights from Frankfurt am Main Airport to Ontario usually depart from Frankfurt am Main (FRA) and arrive at Ontario (ONT).

  • Which cabin classes can I book on flights from Frankfurt am Main Airport to Ontario?

    Two cabin classes are available on flights from Frankfurt am Main Airport to Ontario:

    • Economy class
    • Premium Economy Class

  • Which airports do connecting flights from Frankfurt am Main Airport to Ontario pass through?

    One-stop flights from Frankfurt am Main Airport to Ontario most commonly connect through:

    • Dallas/Fort Worth (DFW) – 42% of one-stop connections
    • San Francisco (SFO) – 42% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 4% of one-stop connections
    • Denver Intl (DEN) – 4% of one-stop connections

    Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Frankfurt am Main Airport to Ontario?

    Yes. Being flexible with your travel dates can save you up to 55% on the Frankfurt am Main Airport to Ontario route. Monday is the cheapest departure day at 486 € return on average, while Saturday is the most expensive at 1.077 €, a difference of 591 €. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    A direct flight from Frankfurt am Main Airport to Ontario takes 0h 00m, covering 14.910 km.

  • Do I need a passport to fly from Frankfurt am Main Airport to Ontario?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Frankfurt am Main Airport to Ontario looking right now?

    One-way fares from Frankfurt am Main Airport to Ontario are currently higher than usual. Average one-way flight prices are about 677 €, which is 32% above the typical average for this route.

  • How much time can I save by choosing a different stopover airport from Frankfurt am Main Airport to Ontario?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time of 15h 39m, compared to 16h 45m via Dallas/Fort Worth (DFW) and 16h 46m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between Frankfurt am Main Airport and Ontario?

    Ontario is 9 hours behind Frankfurt am Main Airport (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car hire companies, with daily rates starting from around 15 € for economy cars. Top options include:
    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • How much should I expect to pay for a Frankfurt am Main Airport to Ontario flight?

    Return flights from Frankfurt am Main Airport to Ontario range from 552 € to 920 €, with an average of 602 € over the past 12 months. Anything below 552 € counts as a good deal.

Your guide to booking Frankfurt am Main Airport to Ontario flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure instead of Saturday. On this route, Monday flights average 486 € – about 591 € less than Saturday (55% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Frankfurt am Main Airport to Ontario trip for November. Fares historically average 540 € return in that month – typically 787 € less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.
    - Azure Hotel & Suites, Trademark Collection by Wyndham
    - La Quinta Inn & Suites by Wyndham Ontario Airport
    - Holiday Inn Ontario Airport By IHG

More options for your flight from Frankfurt to Ontario

Complete your trip to Ontario with a hotel stay or car hire

Car rentals in Ontario
Vacations in Ontario