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754 € Cheap Flights from Ontario International to Frankfurt

Compare Ontario International to Frankfurt flight deals

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Flight deals from Ontario International to Frankfurt

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Frankfurt? If you want to travel next month, return fares start from 807 €. Find the lowest prices on one-way and return tickets right here.
Frankfurt.754 € per passenger.Departing Wed, 23 Sep, returning Wed, 30 Sep.Return flight with KLM.Outbound indirect flight with KLM, departs from Ontario International on Wed, 23 Sep, arriving in Frankfurt am Main.Inbound indirect flight with KLM, departs from Frankfurt am Main on Wed, 30 Sep, arriving in Ontario International.Price includes taxes and charges.From 754 €, select.
Frankfurt.761 € per passenger.Departing Tue, 6 Oct, returning Tue, 13 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Tue, 6 Oct, arriving in Frankfurt am Main.Inbound indirect flight with Delta, departs from Frankfurt am Main on Tue, 13 Oct, arriving in Ontario International.Price includes taxes and charges.From 761 €, select.
Frankfurt.807 € per passenger.Departing Tue, 14 Jul, returning Tue, 28 Jul.Return flight with Frontier Airlines and Icelandair.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Tue, 14 Jul, arriving in Frankfurt am Main.Inbound indirect flight with Icelandair, departs from Frankfurt am Main on Tue, 28 Jul, arriving in Ontario International.Price includes taxes and charges.From 807 €, select.
Frankfurt.819 € per passenger.Departing Thu, 13 Aug, returning Fri, 28 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 Fri, 28 Aug, arriving in Ontario International.Price includes taxes and charges.From 819 €, select.
Frankfurt.864 € per passenger.Departing Tue, 27 Oct, returning Tue, 10 Nov.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Tue, 27 Oct, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Tue, 10 Nov, arriving in Ontario International.Price includes taxes and charges.From 864 €, select.
Frankfurt.864 € per passenger.Departing Sun, 26 Jul, returning Tue, 11 Aug.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Sun, 26 Jul, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Tue, 11 Aug, arriving in Ontario International.Price includes taxes and charges.From 864 €, select.
Frankfurt.867 € per passenger.Departing Sun, 21 Jun, returning Tue, 14 Jul.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Ontario International on Sun, 21 Jun, arriving in Frankfurt am Main.Inbound indirect flight with KLM, departs from Frankfurt am Main on Tue, 14 Jul, arriving in Ontario International.Price includes taxes and charges.From 867 €, select.
Frankfurt.873 € per passenger.Departing Mon, 11 Jan, returning Mon, 25 Jan.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Ontario International on Mon, 11 Jan, arriving in Frankfurt am Main.Inbound indirect flight with Iberia, departs from Frankfurt am Main on Mon, 25 Jan, arriving in Ontario International.Price includes taxes and charges.From 873 €, select.
Frankfurt.873 € per passenger.Departing Thu, 26 Nov, returning Thu, 10 Dec.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Thu, 26 Nov, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Thu, 10 Dec, arriving in Ontario International.Price includes taxes and charges.From 873 €, select.
Frankfurt.873 € per passenger.Departing Tue, 23 Mar, returning Tue, 6 Apr.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Tue, 23 Mar, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Tue, 6 Apr, arriving in Ontario International.Price includes taxes and charges.From 873 €, select.
Frankfurt.873 € per passenger.Departing Fri, 21 Aug, returning Mon, 7 Sep.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Fri, 21 Aug, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Mon, 7 Sep, arriving in Ontario International.Price includes taxes and charges.From 873 €, select.
Frankfurt.873 € per passenger.Departing Sat, 4 Jul, returning Sun, 20 Sep.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Sat, 4 Jul, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Sun, 20 Sep, arriving in Ontario International.Price includes taxes and charges.From 873 €, select.
Frankfurt.873 € per passenger.Departing Sat, 7 Nov, returning Sat, 21 Nov.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Sat, 7 Nov, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Sat, 21 Nov, arriving in Ontario International.Price includes taxes and charges.From 873 €, select.
Frankfurt.873 € per passenger.Departing Sat, 26 Dec, returning Sat, 9 Jan.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Sat, 26 Dec, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Sat, 9 Jan, arriving in Ontario International.Price includes taxes and charges.From 873 €, select.
Frankfurt.873 € per passenger.Departing Mon, 21 Sep, returning Mon, 5 Oct.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Mon, 21 Sep, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Mon, 5 Oct, arriving in Ontario International.Price includes taxes and charges.From 873 €, select.
Frankfurt.873 € per passenger.Departing Fri, 9 Apr, returning Tue, 20 Apr.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Ontario International on Fri, 9 Apr, arriving in Frankfurt am Main.Inbound indirect flight with British Airways, departs from Frankfurt am Main on Tue, 20 Apr, arriving in Ontario International.Price includes taxes and charges.From 873 €, select.

Find the cheapest month to fly from Ontario International to Frankfurt

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Frankfurt flights are currently cheapest in September.
Jun
from 874 €
Jul
from 807 €
Aug
from 819 €
Sep
from 754 €
Oct
from 761 €
Nov
from 873 €
Dec
from 963 €
Jan
from 873 €
Feb
from 874 €
Mar
from 879 €
Apr
from 873 €
May
Find prices

Alternative Ontario International to Frankfurt routes

Looking for the cheapest, fastest or easiest route from Ontario International to Frankfurt? You could fly into the following airports instead.

Frankfurt am Main

12km from central Frankfurt
ClosestCheapest
from 754 €
Search flights

Mannheim

72km from central Frankfurt
Search flights

Hahn

103km from central Frankfurt
from 855 €
Search flights

Ontario to Frankfurt: Flight information

The things to know before you go.
Cheapest flight found754 €
Cheapest month to flySeptember

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

There are 3 airports in Frankfurt: Frankfurt am Main, Mannheim and Hahn.
The best price we found for a return flight from Ontario International to Frankfurt is 754 €. 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. But we found flights with one or more stops from 754 €.
As of June 2026, there are no flights flying from Ontario International to Frankfurt.
The cheapest month to fly from Ontario International to Frankfurt is usually September.
If you're flying from Ontario International Airport, the cheapest airport near Frankfurt is Frankfurt am Main – which is 11.8 km away from the centre of Frankfurt. We've found flights into this airport from 754 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Frankfurt on Wednesday, 23 September 2026.
No airlines currently offer direct flights between Ontario International Airport and Frankfurt. 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 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.
In June, the average temperature is usually around 16°C. July is typically the warmest month in Frankfurt, when it usually averages around 25°C. You can expect the least rain in April. The coldest month is January, with temperatures averaging -3°C. The rainiest month is July.
Currently, KLM offers the cheapest flight tickets to Frankfurt.

Travelling from Ontario International Airport (ONT) to Frankfurt: what you need to know

  • Ontario International Airport is located in Ontario. Based in the UTC+1 timezone, Frankfurt is nine hours ahead of Ontario.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. That way, you can comfortably board your ONT to Frankfurt flight.

  • Flying during a peak time like July? Public holidays and other popular seasons can lead to longer lines at security. Be extra cautious and get there up to four hours before an international flight and two hours before domestic departures.

  • Stopovers are the ideal opportunity to break up your trip and maybe even explore another city. When searching for plane tickets from ONT to Frankfurt, deselect the 'Direct flights only' box to see where you can stop along the way. Some popular options include:

    • Denver International Airport (DEN)

    • Seattle-Tacoma International Airport (SEA)

    • Austin-Bergstrom International Airport (AUS)

  • ONT is about 5 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 traffic. If you're planning to take public transport, expect the travel time to be around 45 minutes.

  • Looking for a hotel close to ONT? If you're boarding an early flight from Ontario International Airport to Frankfurt, these accommodation options will put you moments from your departure gate:

  • 83% of flights departing from Ontario International Airport touch down at their destination according to schedule. Given its solid on-time performance, you're unlikely to experience delays when setting off from ONT.

  • ONT's address is 2900 E. Airport Drive.

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

  • 475 € is the cheapest price we've found for a one-way Ontario International Airport to Frankfurt flight. A return ticket right now is 754 €. Depending on how early you book and the availability, these fares can change.

  • Don't leave things to the last moment. You're more likely to pick up cheap flights from ONT to Frankfurt if you book early. Airlines often have some great early bird discounts.

  • The 'Whole month' search tool will show you the cheapest tickets from Ontario International Airport to Frankfurt throughout the month. It's a great way to find a bargain if your travel dates are flexible.

  • Locking in a cheap flight from ONT to Frankfurt is easy with Price Alerts. Simply set up one of these automatic notifications and we'll notify you when there's a better deal.

  • Choose your ideal departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Ontario International Airport to Frankfurt by 'Cheapest,' 'Fastest' or 'Best.'

Airports in Frankfurt

Frankfurt Airport (FRA)

  • Frankfurt Airport (FRA) to the centre of Frankfurt takes about 25 minutes to reach by car. The centre is roughly 11 kilometres away.

  • Getting to the centre on public transport takes around 20 minutes.

  • The last thing you want is a long journey to your hotel if you're landing late on a flight from Ontario International Airport to Frankfurt. Book one of these accommodation options near FRA instead:

  • To secure the lowest price, reserve your vehicle from Frankfurt Airport about three weeks ahead of your flight from ONT to Frankfurt.

Frankfurt Hahn Airport (HHN)

  • Once your flight from Ontario International Airport to Frankfurt has hit the runway, you can get to the city centre in around 1 hour 25 minutes by car. Central Frankfurt is roughly 121 kilometres from Frankfurt Hahn Airport (HHN).

  • If you choose to travel on public transport, you'll reach the centre in 2 hours 10 minutes or so.

  • You'll find some comfortable places to rest your head close to HHN. Unwind and get cosy after your ONT to Frankfurt flight at one of these well-located options:

  • Get the lowest price by reserving your ride from HHN four weeks ahead of time. You can also expect to have a bigger selection of vehicles.

Best time to go to Frankfurt

  • January is the quietest month for flights from Ontario International Airport to Frankfurt, while September is the most popular. Work out the ideal time to go to Frankfurt based on whether you want a laid-back vibe or a more bustling atmosphere.

  • Lock in a Ontario International Airport to Frankfurt plane ticket with a departure in August if you want to visit the city during its warmest month. You can expect temperatures to range from 12ºC (54ºF) to 29ºC (84ºF).

  • If you want cooler conditions, look for a cheap ticket from ONT to Frankfurt in January when temperatures average between -4ºC (25ºF) and 7ºC (45ºF).

More about Frankfurt

  • Once you've booked your flight from Ontario International Airport to Frankfurt, choose a hotel that puts you right where the action is. Make one of these options your base for exploring Frankfurt:

  • All great adventures should include a little sightseeing. Bildungsstatte Anne Frank, Van Gogh Alive Frankfurt and Main Tower are must-do's during your Frankfurt adventure.

Explore more of Germany

  • Frankfurt is easy to fall in love with, but there are so many other corners of Germany you should also see. Around 418 kilometres northeast of Frankfurt, a trip to Berlin will fill your itinerary to the brim. Start with attractions like Brandenburg Gate, Berlin Wall and Parliament Building.

  • Hamburg is another essential stop in Germany and is around 386 kilometres north of Frankfurt. No trip is complete without seeing Miniatur Wunderland, Elbphilharmonie Hamburg and Port of Hamburg.

Plan the rest of your trip from Ontario to Frankfurt

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.