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709 € Cheap Flights from Ontario International to Frankfurt am Main

Compare Ontario International to Frankfurt am Main flight deals

Find the cheapest month or even day of the year to fly to Frankfurt am Main

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Flight deals from Ontario International to Frankfurt am Main

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Frankfurt am Main Airport? If you want to travel next month, return fares start from 722 €. Find the lowest prices on one-way and return tickets right here.
Frankfurt.709 € per passenger.Departing Tue, 12 Jan, returning Tue, 26 Jan.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Ontario International on Tue, 12 Jan, arriving in Frankfurt am Main.Inbound indirect flight with Iberia, departs from Frankfurt am Main on Tue, 26 Jan, arriving in Ontario International.Price includes taxes and charges.From 709 €, select.
Frankfurt.711 € per passenger.Departing Mon, 9 Nov, returning Wed, 18 Nov.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Ontario International on Mon, 9 Nov, arriving in Frankfurt am Main.Inbound indirect flight with Iberia, departs from Frankfurt am Main on Wed, 18 Nov, arriving in Ontario International.Price includes taxes and charges.From 711 €, select.
Frankfurt.711 € per passenger.Departing Mon, 1 Feb, returning Tue, 16 Feb.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Mon, 1 Feb, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Tue, 16 Feb, arriving in Ontario International.Price includes taxes and charges.From 711 €, select.
Frankfurt.716 € per passenger.Departing Tue, 26 Jan, returning Wed, 3 Feb.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Ontario International on Tue, 26 Jan, arriving in Frankfurt am Main.Inbound indirect flight with Iberia, departs from Frankfurt am Main on Wed, 3 Feb, arriving in Ontario International.Price includes taxes and charges.From 716 €, select.
Frankfurt.716 € per passenger.Departing Wed, 17 Feb, returning Wed, 3 Mar.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Wed, 17 Feb, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Wed, 3 Mar, arriving in Ontario International.Price includes taxes and charges.From 716 €, select.
Frankfurt.717 € per passenger.Departing Tue, 20 Apr, returning Tue, 4 May.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Ontario International on Tue, 20 Apr, arriving in Frankfurt am Main.Inbound indirect flight with Iberia, departs from Frankfurt am Main on Tue, 4 May, arriving in Ontario International.Price includes taxes and charges.From 717 €, select.
Frankfurt.718 € per passenger.Departing Mon, 7 Sep, returning Thu, 24 Sep.Return flight with Frontier Airlines and Condor.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Mon, 7 Sep, arriving in Frankfurt am Main.Inbound indirect flight with Condor, departs from Frankfurt am Main on Thu, 24 Sep, arriving in Ontario International.Price includes taxes and charges.From 718 €, select.
Frankfurt.721 € per passenger.Departing Fri, 2 Oct, returning Sun, 18 Oct.Return flight with Frontier Airlines and Aer Lingus.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Fri, 2 Oct, arriving in Frankfurt am Main.Inbound indirect flight with Aer Lingus, departs from Frankfurt am Main on Sun, 18 Oct, arriving in Ontario International.Price includes taxes and charges.From 721 €, select.
Frankfurt.722 € per passenger.Departing Thu, 13 Aug, returning Thu, 20 Aug.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Ontario International on Thu, 13 Aug, arriving in Frankfurt am Main.Inbound indirect flight with KLM, departs from Frankfurt am Main on Thu, 20 Aug, arriving in Ontario International.Price includes taxes and charges.From 722 €, select.
Frankfurt.737 € per passenger.Departing Wed, 18 Nov, returning Wed, 2 Dec.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Ontario International on Wed, 18 Nov, arriving in Frankfurt am Main.Inbound indirect flight with Iberia, departs from Frankfurt am Main on Wed, 2 Dec, arriving in Ontario International.Price includes taxes and charges.From 737 €, select.
Frankfurt.740 € per passenger.Departing Mon, 19 Oct, returning Tue, 3 Nov.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Mon, 19 Oct, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Tue, 3 Nov, arriving in Ontario International.Price includes taxes and charges.From 740 €, select.
Frankfurt.741 € per passenger.Departing Thu, 27 Aug, returning Fri, 25 Sep.Return flight with Alaska Airlines and Condor.Outbound indirect flight with Alaska Airlines, departs from Ontario International on Thu, 27 Aug, arriving in Frankfurt am Main.Inbound indirect flight with Condor, departs from Frankfurt am Main on Fri, 25 Sep, arriving in Ontario International.Price includes taxes and charges.From 741 €, select.
Frankfurt.743 € per passenger.Departing Sun, 23 Aug, returning Tue, 27 Oct.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Ontario International on Sun, 23 Aug, arriving in Frankfurt am Main.Inbound indirect flight with Iberia, departs from Frankfurt am Main on Tue, 27 Oct, arriving in Ontario International.Price includes taxes and charges.From 743 €, select.
Frankfurt.744 € per passenger.Departing Mon, 5 Apr, returning Tue, 13 Apr.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Mon, 5 Apr, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Tue, 13 Apr, arriving in Ontario International.Price includes taxes and charges.From 744 €, select.
Frankfurt.759 € per passenger.Departing Wed, 24 Mar, returning Thu, 1 Apr.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Ontario International on Wed, 24 Mar, arriving in Frankfurt am Main.Inbound indirect flight with Iberia, departs from Frankfurt am Main on Thu, 1 Apr, arriving in Ontario International.Price includes taxes and charges.From 759 €, select.
Frankfurt.768 € per passenger.Departing Tue, 9 Mar, returning Tue, 23 Mar.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Ontario International on Tue, 9 Mar, arriving in Frankfurt am Main.Inbound indirect flight with Iberia, departs from Frankfurt am Main on Tue, 23 Mar, arriving in Ontario International.Price includes taxes and charges.From 768 €, select.

Find the cheapest month to fly from Ontario International to Frankfurt am Main

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Frankfurt am Main flights are currently cheapest in January.
Jul
Find prices
Aug
from 722 €
Sep
from 718 €
Oct
from 721 €
Nov
from 711 €
Dec
from 798 €
Jan
from 709 €
Feb
from 711 €
Mar
from 768 €
Apr
from 744 €
May
from 807 €
Jun
from 2.679 €

Ontario International to Frankfurt am Main: Alternative routes

Compare routes from Ontario International to Frankfurt below. You may find an airport to fly into that's cheaper, faster, or easier than Frankfurt am Main.

Frankfurt am Main

12km from central Frankfurt
ClosestCheapest
from 709 €
Search flights

Mannheim

72km from central Frankfurt
Search flights

Hahn

103km from central Frankfurt
from 751 €
Search flights

Ontario to Frankfurt: Flight information

The things to know before you go.
Cheapest flight found709 €
Cheapest month to flyJanuary

Finding cheap flights from Ontario International to Frankfurt am Main: Frequently asked questions

The best price we found for a return flight from Ontario International to Frankfurt am Main is 709 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ontario International to Frankfurt am Main. But we found flights with one or more stops from 709 €.
As of July 2026, there are no flights flying from Ontario International to Frankfurt am Main.
The cheapest month to fly from Ontario International to Frankfurt am Main is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Frankfurt am Main Airport on Tuesday, 12 January 2027.
No airlines currently offer direct flights between Ontario International Airport and Frankfurt am Main Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Frankfurt am Main but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Frankfurt is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Iberia offers the cheapest flight tickets to Frankfurt am Main.

Flying from Ontario International Airport (ONT) to Frankfurt am Main Airport (FRA): what you need to know

  • Frankfurt's timezone is UTC+1, making Frankfurt nine hours ahead of Ontario.

  • Your ONT to FRA flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • During popular months like July, it's a good idea to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead of international flights when you fly during a peak period in general.

  • If you'd like to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Ontario International Airport to Frankfurt am Main Airport. These are the most popular stopovers between ONT and FRA:

    • Denver International Airport

    • Seattle / Tacoma International Airport

    • Austin-Bergstrom Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Frankfurt am Main Airport (FRA)

  • 267 € is the best price for a one-way Ontario International Airport to Frankfurt am Main Airport flight. A return flight starts from 709 €. These prices can change depending on demand.

  • To find cheap tickets from ONT to FRA, book early. Airlines usually offer the most competitive fares when flights are first released.

  • If you're flexible with your travel plans, try using the 'Whole month' search function. It'll show you the cheapest price across every month when looking for a flight from Ontario International Airport to Frankfurt am Main Airport.

  • Save time searching for cheap flights from ONT to FRA by creating a Price Alert. We'll send you an email or push notification on the app when fares go down.

  • Pick your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Ontario International Airport to Frankfurt am Main Airport.

Handy information about Ontario International Airport (ONT)

  • You'll find ONT at 2900 E. Airport Drive.

  • Ontario International Airport maintains a solid on-time record, reducing your chances of a delayed flight. Departures from ONT arrive on schedule 83% of the time.

  • Ontario International Airport is about 10 kilometres from central Ontario. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 15 minutes or so to get there, depending on the traffic.

  • Expect a journey time of around 45 minutes when using public transport.

  • Get your trip off to a hassle-free start by staying near ONT. Whether you're taking an early flight from Ontario International Airport to Frankfurt am Main Airport or want to avoid feeling rushed, these stays are the answer:

Arriving at Frankfurt am Main Airport (FRA)

Getting from Frankfurt am Main Airport (FRA) to central Frankfurt

  • From Frankfurt am Main Airport, Frankfurt is approximately 11 kilometres away. It takes around 25 minutes to drive to the centre.

  • It'll take around 20 minutes if you're travelling on public transport.

When to fly to Frankfurt am Main Airport (FRA)

  • It's time to pick your travel dates for your flight from Ontario International Airport to Frankfurt am Main Airport. September is the most popular month to head to Frankfurt. If you'd like a more laid-back vibe, go in March.

  • Book your flight from Ontario International Airport to Frankfurt am Main Airport for August if you want to visit Frankfurt during its warmest month. Expect temperatures of between 12ºC (54ºF) and 29ºC (84ºF).

  • January has average temperatures of between -4ºC (25ºF) and 7ºC (45ºF). Search for cheap tickets from ONT to FRA around that time if you like travelling in cooler conditions.

Explore more of Germany

  • Berlin is just one of the many places in Germany waiting to be explored after you've seen Frankfurt. Around 418 kilometres away to the north-east, its best attractions include Brandenburg Gate, Berlin Wall and Parliament Building.

  • If there's time to check out another major stop in Germany, consider Hamburg, roughly 386 kilometres north of Frankfurt. Miniatur Wunderland, Elbphilharmonie Hamburg and Port of Hamburg are the start of reasons to visit.

Plan the rest of your trip from Ontario to Frankfurt

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.