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Cheap flights from Ontario to Frankfurt am Main from $298

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Frankfurt am Main departing on 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Frankfurt am Main

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 12:05 pm
ONT
-
FRA
44h 05m
2 stops
United Airlines Logo
10:05 am - 8:51 pm
FRA
-
ONT
43h 46m
2 stops
$733United Airlines
Mon, Nov 9 - Thu, Nov 12
Multiple Airlines Logo
7:12 am - 10:50 am
ONT
-
FRA
18h 38m
1 stop
Multiple Airlines Logo
11:55 am - 8:24 pm
FRA
-
ONT
17h 29m
1 stop
$778Multiple Airlines
Mon, Aug 24 - Thu, Sep 3
Delta Logo
7:00 am - 7:50 am
ONT
-
FRA
15h 50m
1 stop
Delta Logo
10:40 am - 7:41 pm
FRA
-
ONT
18h 01m
1 stop
$808Delta
Fri, Nov 13 - Thu, Nov 26
American Airlines Logo
7:16 am - 7:15 am
ONT
-
FRA
14h 59m
1 stop
American Airlines Logo
10:15 am - 6:45 pm
FRA
-
ONT
17h 30m
1 stop
$810American Airlines
Wed, Jan 20 - Wed, Feb 3
United Airlines Logo
7:00 am - 12:05 pm
ONT
-
FRA
44h 05m
2 stops
United Airlines Logo
10:10 am - 12:29 pm
FRA
-
ONT
35h 19m
1 stop
$816United Airlines
Mon, Nov 9 - Thu, Nov 12
Delta Logo
7:05 am - 7:50 am
ONT
-
FRA
15h 45m
1 stop
Delta Logo
10:40 am - 10:14 pm
FRA
-
ONT
20h 34m
1 stop
$819Delta
Sun, Nov 1 - Fri, Jan 22
British Airways Logo
6:00 am - 7:15 am
ONT
-
FRA
16h 15m
1 stop
British Airways Logo
10:15 am - 6:45 pm
FRA
-
ONT
17h 30m
1 stop
$820British Airways
Tue, Jan 19 - Tue, Feb 2
Delta Logo
7:05 am - 7:50 am
ONT
-
FRA
15h 45m
1 stop
Delta Logo
9:50 am - 10:14 pm
FRA
-
ONT
21h 24m
2 stops
$823Delta
Sun, Nov 1 - Sun, Jan 24
British Airways Logo
1:27 pm - 7:40 pm
ONT
-
FRA
21h 13m
2 stops
British Airways Logo
11:25 am - 11:55 pm
FRA
-
ONT
21h 30m
2 stops
$832British Airways
Tue, Dec 1 - Tue, Dec 8
British Airways Logo
8:25 am - 8:45 am
ONT
-
FRA
15h 20m
1 stop
British Airways Logo
10:55 am - 6:53 pm
FRA
-
ONT
16h 58m
1 stop
$837British Airways
Sun, Sep 13 - Tue, Sep 29

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United Airlines flights from Ontario to Frankfurt am Main Airport

Our best United Airlines deals on Ontario to Frankfurt am Main Airport flight tickets
United Airlines
Nov 9
ONT7:00 amOntario
44h 05m
2 stops
FRA12:05 pmFrankfurt am Main
Nov 12
FRA10:05 amFrankfurt am Main
43h 46m
2 stops
ONT8:51 pmOntario
$733
United Airlines
Nov 9
ONT7:00 amOntario
44h 05m
2 stops
FRA12:05 pmFrankfurt am Main
Nov 12
FRA10:10 amFrankfurt am Main
35h 19m
1 stop
ONT12:29 pmOntario
$816
United Airlines
Nov 30
ONT4:17 pmOntario
13h 38m
1 stop
FRA2:55 pmFrankfurt am Main
Dec 8
FRA5:25 pmFrankfurt am Main
14h 41m
1 stop
ONT11:06 pmOntario
$901

Delta flights from Ontario to Frankfurt am Main Airport

Our best Delta deals on Ontario to Frankfurt am Main Airport flight tickets
Delta
Nov 13
ONT7:00 amOntario
15h 50m
1 stop
FRA7:50 amFrankfurt am Main
Nov 26
FRA10:40 amFrankfurt am Main
18h 01m
1 stop
ONT7:41 pmOntario
$808
Delta
Nov 1
ONT7:05 amOntario
15h 45m
1 stop
FRA7:50 amFrankfurt am Main
Jan 22
FRA10:40 amFrankfurt am Main
20h 34m
1 stop
ONT10:14 pmOntario
$819
Delta
Nov 1
ONT7:05 amOntario
15h 45m
1 stop
FRA7:50 amFrankfurt am Main
Jan 24
FRA9:50 amFrankfurt am Main
21h 24m
2 stops
ONT10:14 pmOntario
$823

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Frankfurt am Main Airport 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, momondo users made 832,500 searches. Data last updated July 27, 2026.
Use the filters below to find and compare flights from Ontario to Frankfurt am Main Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 11/9

7:00 am-12:05 pm

2 stops44h 05m

Frankfurt am Main

Thu 11/12

10:05 am-8:51 pm

2 stops43h 46m

$733

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 8/24

7:12 am-10:50 am

1 stop18h 38m

Frankfurt am Main

Thu 9/3

11:55 am-8:24 pm

1 stop17h 29m

$778

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Fri 11/13

7:00 am-7:50 am

1 stop15h 50m

Frankfurt am Main

Thu 11/26

10:40 am-7:41 pm

1 stop18h 01m

$808

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Wed 1/20

7:16 am-7:15 am

1 stop14h 59m

Frankfurt am Main

Wed 2/3

10:15 am-6:45 pm

1 stop17h 30m

$810

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 11/9

7:00 am-12:05 pm

2 stops44h 05m

Frankfurt am Main

Thu 11/12

10:10 am-12:29 pm

1 stop35h 19m

$816

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sun 11/1

7:05 am-7:50 am

1 stop15h 45m

Frankfurt am Main

Fri 1/22

10:40 am-10:14 pm

1 stop20h 34m

$819

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 1/19

6:00 am-7:15 am

1 stop16h 15m

Frankfurt am Main

Tue 2/2

10:15 am-6:45 pm

1 stop17h 30m

$820

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sun 11/1

7:05 am-7:50 am

1 stop15h 45m

Frankfurt am Main

Sun 1/24

9:50 am-10:14 pm

2 stops21h 24m

$823

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 12/1

1:27 pm-7:40 pm

2 stops21h 13m

Frankfurt am Main

Tue 12/8

11:25 am-11:55 pm

2 stops21h 30m

$832
Quickest round-trip

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sun 9/13

8:25 am-8:45 am

1 stop15h 20m

Frankfurt am Main

Tue 9/29

10:55 am-6:53 pm

1 stop16h 58m

$837

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Frankfurt am Main from

How to get the cheapest flight ticket from Ontario to Frankfurt am Main Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Ontario and Frankfurt am Main Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $776 to $954.
The lowest price recently found on this route was $733.

What is the cheapest month to fly to Frankfurt am Main Airport?

In general, February is the cheapest month to fly from Ontario to Frankfurt am Main Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Frankfurt am Main Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $0.

What is the cheapest day to depart on your flight to Frankfurt am Main Airport?

On average, the least expensive day to fly to Frankfurt am Main Airport from Ontario is on a Monday. momondo users have found tickets for Monday departures for as low as $923. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Ontario to Frankfurt am Main Airport on a Friday will generally be more expensive and average around $1,060. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Frankfurt am Main Airport?

According to our data, the cheapest time of day to fly to Frankfurt am Main Airport is at noon. momondo users have found flights departing from Ontario to Frankfurt am Main Airport at noon for as low as $830. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Frankfurt am Main Airport is in the afternoon when prices are around $975.

Can stopping save me money on Ontario to Frankfurt am Main Airport flights?

You could potentially save up to 4% on your flight if you consider stops on a Ontario to Frankfurt am Main Airport flight.

When to book flights from Ontario to Frankfurt am Main Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Frankfurt am Main Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Frankfurt am Main Airport (ONT to FRA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Frankfurt am Main Airport

Fastest flight time

13h 20m

Direct flights

None
The fastest flight from Ontario to Frankfurt am Main Airport takes 13h 20m
There are no direct flights from Ontario to Frankfurt am Main Airport. There are no popular flight routes from Ontario to Frankfurt am Main Airport.
Search flight deals

Frequently asked questions about flying from Ontario to Frankfurt am Main Airport

  • How far is Ontario to Frankfurt am Main by plane?

    Ontario and Frankfurt am Main are 5758.0 mi apart from one another. 13h 20m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Ontario Airport to Frankfurt am Main Airport?

    Prices for flights from Ontario Airport to Frankfurt am Main Airport were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Frankfurt am Main Airport?

  • How old do you have to be to fly from Ontario Airport to Frankfurt am Main Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Frankfurt am Main Airport.

  • What documentation or ID do you need to fly to Frankfurt am Main Airport?

    The travel and health documents required for your trip to Frankfurt am Main Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Frankfurt am Main Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Frankfurt am Main Airport?

Best airlines flying from Ontario to Frankfurt am Main Airport

Compare and see reviews for airlines that fly from Ontario to Frankfurt am Main Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $695Free CancellationRating
7.4
10,043 reviews
Search United Airlines flights
British AirwaysPriceFrom $719Free CancellationRating
6.7
8,130 reviews
Search British Airways flights

Traveling to a place near Frankfurt am Main?

Book flights to Frankfurt am Main if you plan to visit one of these locations
Heidelberg
Baden-Baden
Wurzburg
Koblenz
Darmstadt
Mainz
Nuerburg
Kaiserslautern
Rothenburg ob der Tauber
Aschaffenburg
Trier
Cochem
Fulda
Wiesbaden
Ludwigsburg
Heilbronn
Rüdesheim am Rhein
Marburg
Hofheim
Schwäbisch Hall

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Frankfurt am Main?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Frankfurt am Main. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Frankfurt am Main with flexible booking policies on momondo?

All flight searches from Ontario to Frankfurt am Main on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Frankfurt am Main?

momondo helps you find the best flight between Ontario and Frankfurt am Main by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Frankfurt am Main right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Frankfurt am Main from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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