FRA - ONT

422€ 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
567 €
Typical prices: 607 €-783 €
British Airways
Fri 16.11.Sat 1.12.
FRA - ONT • 1 stop
Cheapest one-way flight
431 €
Typical prices: 505 €-713 €
British Airways
Sun 8.4.
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 • 19% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Denver Intl (DEN)
Cheapest • Avg 624 € (return)
San Francisco (SFO)
Shortest trip • 16h 08m (one-way)
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Insights
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We hope you enjoy your trip to Ontario!
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Booking Insights
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

Mon, 16. Nov - Tue, 1. Dec
British Airways Logo
10:50 - 22:12FRA  Frankfurt am Main-ONT Ontario
20h 22m1 stop Charlotte Douglas
British Airways Logo
14:09 - 19:40ONT  Ontario-FRA Frankfurt am Main
20h 31m2 stops Dallas/Fort Worth London Heathrow
567 €British Airways
Sat, 14. Nov - Sun, 29. Nov
British Airways Logo
10:50 - 18:42FRA  Frankfurt am Main-ONT Ontario
40h 52m2 stops Charlotte Douglas Dallas/Fort Worth
British Airways Logo
23:59 - 7:15ONT  Ontario-FRA Frankfurt am Main
22h 16m1 stop Dallas/Fort Worth
568 €British Airways
Wed, 17. Feb - Sun, 21. Feb
British Airways Logo
10:50 - 22:55FRA  Frankfurt am Main-ONT Ontario
21h 05m1 stop Charlotte Douglas
British Airways Logo
16:25 - 22:05ONT  Ontario-FRA Frankfurt am Main
20h 40m2 stops Phoenix Sky Harbor Intl London Heathrow
569 €British Airways
Sat, 7. Nov - Mon, 23. 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
570 €British Airways
Wed, 17. Feb - Sun, 21. Feb
Multiple Airlines Logo
6:30 - 23:34FRA  Frankfurt am Main-ONT Ontario
26h 04m2 stops Madrid Barajas Chicago O'Hare Intl
Multiple Airlines Logo
10:34 - 16:55ONT  Ontario-FRA Frankfurt am Main
21h 21m2 stops Dallas/Fort Worth London Heathrow
571 €Multiple Airlines
Fri, 6. Nov - Tue, 10. 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
571 €British Airways
Fri, 13. Nov - Mon, 16. Nov
British Airways Logo
10:15 - 18:42FRA  Frankfurt am Main-ONT Ontario
17h 27m1 stop Dallas/Fort Worth
British Airways Logo
7:00 - 7:15ONT  Ontario-FRA Frankfurt am Main
15h 15m1 stop Dallas/Fort Worth
572 €British Airways
Sat, 14. Nov - Mon, 30. Nov
British Airways Logo
10:15 - 18:42FRA  Frankfurt am Main-ONT Ontario
17h 27m1 stop Dallas/Fort Worth
British Airways Logo
23:59 - 7:15ONT  Ontario-FRA Frankfurt am Main
22h 16m1 stop Dallas/Fort Worth
572 €British Airways
Sun, 13. Dec - Mon, 11. Jan
United Airlines Logo
7:20 - 20:38FRA  Frankfurt am Main-ONT Ontario
22h 18m2 stops Zurich San Francisco
United Airlines Logo
18:37 - 5:20ONT  Ontario-FRA Frankfurt am Main
25h 43m2 stops San Francisco Boston Logan Intl
643 €United Airlines
Tue, 15. Dec - Sun, 10. Jan
United Airlines Logo
9:50 - 9:38FRA  Frankfurt am Main-ONT Ontario
32h 48m2 stops Zurich San Francisco
United Airlines Logo
5:00 - 9:20ONT  Ontario-FRA Frankfurt am Main
19h 20m1 stop Denver Intl
643 €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 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 typically range from 607 € to 783 €. The lowest price found in the past 5 days was 567 € on British Airways.

What's the cheapest day of the week to fly from Frankfurt am Main Airport to Ontario?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Frankfurt am Main Airport to Ontario. It's 32% cheaper than the average day, while Saturday is the most expensive, with prices 51% higher.

Find deals

Key details for Frankfurt am Main Airport to Ontario flights

Low season

February

Cheapest flight

431 €
Beat the crowds with an average 91% drop in travellers.
The most popular month to fly with an average 55% increase in travellers.
One-way flight 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 answers about this route, including flight times, airports, airlines, and booking tips.

  • 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

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

    A direct flight from Frankfurt am Main Airport to Ontario takes 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 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 607 € to 783 €, with an average of 735 € over the past 12 months. Anything below 607 € counts as a good deal.

  • 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 lower than usual. Average one-way flight prices are about 583 €, which is 10% below the typical average for this route.

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

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around 16 € for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • 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 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:

    • San Francisco (SFO) – 61% of one-stop connections
    • Dallas/Fort Worth (DFW) – 29% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 2% of one-stop connections
    • Denver Intl (DEN) – 2% of one-stop connections

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

    Yes. Flexible dates can save you up to 55% on flights from Frankfurt am Main Airport to Ontario. Monday is the cheapest departure day at 504 € return on average, while Saturday is the most expensive at 1.117 €, a difference of 613 €.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • 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 08m via San Francisco (SFO) and 16h 43m via Dallas/Fort Worth (DFW).

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

    Ontario is 8 hours behind Frankfurt am Main Airport (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

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 and avoid flying on Saturday. On this route, Monday flights average 504 €, which is about 613 € less than Saturday fares (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 593 € return in that month – typically 784 € 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.

    • Ontario Airport Inn
    • Holiday Inn Ontario Airport By IHG
    • Azure Hotel & Suites, Trademark Collection by Wyndham

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