Which layover airport has the shortest travel time from Ontario to Frankfurt am Main Airport?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 13h 39m.

What is the cheapest airline that flies from Ontario to Frankfurt am Main?

Delta is the most popular carrier operating from Ontario to Frankfurt am Main

Which layover airport has the shortest connection time from Ontario to Frankfurt am Main Airport?

Denver (DEN) has the shortest average layover time for this route: 2h 36m.

What airlines fly to Frankfurt am Main Airport?

Condor, Lufthansa and United Airlines are the top three most popular airlines that fly to Frankfurt am Main Airport from Ontario according to our data. Condor is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Frankfurt am Main Airport. Keep in mind that there are 11 different airlines that fly to Frankfurt am Main Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Ontario to Frankfurt am Main Airport?

Flights via Denver (DEN) offer the lowest average round-trip price of $725.

Which airport is the most popular layover for flights between Ontario and Frankfurt am Main Airport?

San Francisco (SFO) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

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?

As of September 2026, there are 2 operators available to choose from 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.

$380 Cheap Flights from Ontario to Frankfurt am Main Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Frankfurt am Main

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:25 am - 9:55 amONT Ontario-FRA Frankfurt am Main

15h 30m1 stop San Francisco

8:15 am - 6:01 pmFRA Frankfurt am Main-ONT Ontario

18h 46m2 stops Munich Franz Josef Strauss San Francisco

$794Multiple Airlines

Sun, Nov 1 - Tue, Nov 10

7:00 am - 7:15 amONT Ontario-FRA Frankfurt am Main

15h 15m1 stop Dallas/Fort Worth

10:15 am - 6:53 pmFRA Frankfurt am Main-ONT Ontario

17h 38m1 stop Dallas/Fort Worth

$796British Airways

Tue, Jan 26 - Wed, Feb 3

6:00 am - 7:15 amONT Ontario-FRA Frankfurt am Main

16h 15m1 stop Dallas/Fort Worth

10:15 am - 6:53 pmFRA Frankfurt am Main-ONT Ontario

17h 38m1 stop Dallas/Fort Worth

$797British Airways

Tue, Jan 12 - Tue, Jan 26

9:25 am - 11:10 amONT Ontario-FRA Frankfurt am Main

16h 45m2 stops San Francisco Toronto Pearson Intl

8:15 am - 6:01 pmFRA Frankfurt am Main-ONT Ontario

18h 46m2 stops Munich Franz Josef Strauss San Francisco

$802Multiple Airlines

Sun, Nov 1 - Tue, Nov 10

9:25 am - 9:55 amONT Ontario-FRA Frankfurt am Main

15h 30m1 stop San Francisco

1:30 pm - 8:15 pmFRA Frankfurt am Main-ONT Ontario

15h 45m1 stop San Francisco

$805Lufthansa

Tue, Nov 3 - Tue, Nov 17

11:59 pm - 7:15 amONT Ontario-FRA Frankfurt am Main

22h 16m1 stop Dallas/Fort Worth

10:15 am - 9:40 amFRA Frankfurt am Main-ONT Ontario

32h 25m1 stop Dallas/Fort Worth

$805British Airways

Sun, Nov 1 - Tue, Nov 10

12:16 pm - 7:50 amONT Ontario-FRA Frankfurt am Main

35h 34m1 stop Atlanta Hartsfield-Jackson

10:40 am - 11:08 amFRA Frankfurt am Main-ONT Ontario

33h 28m1 stop Atlanta Hartsfield-Jackson

$807Multiple Airlines

Sat, Oct 31 - Sat, Nov 14

11:26 am - 9:55 amONT Ontario-FRA Frankfurt am Main

13h 29m1 stop San Francisco

5:25 pm - 10:53 pmFRA Frankfurt am Main-ONT Ontario

14h 28m1 stop San Francisco

$816United Airlines

Tue, Dec 8 - Tue, Dec 22

11:20 am - 9:55 amONT Ontario-FRA Frankfurt am Main

13h 35m1 stop San Francisco

1:30 pm - 8:26 pmFRA Frankfurt am Main-ONT Ontario

15h 56m1 stop San Francisco

$821United Airlines

Tue, Jan 5 - Wed, Jan 13

11:20 am - 9:55 amONT Ontario-FRA Frankfurt am Main

13h 35m1 stop San Francisco

1:30 pm - 8:26 pmFRA Frankfurt am Main-ONT Ontario

15h 56m1 stop San Francisco

$821United Airlines

Tue, Jan 5 - Tue, Jan 19

Cheap last minute flights

Enter your travel dates to find the best prices.

10:47 am - 10:30 amONT Ontario-FRA Frankfurt am Main

14h 43m1 stop Portland

11:45 am - 8:57 pmFRA Frankfurt am Main-ONT Ontario

18h 12m1 stop New York John F Kennedy Intl

$1,040Multiple Airlines

Sat, Sep 12 - Sat, Sep 26

7:05 am - 8:55 amONT Ontario-FRA Frankfurt am Main

16h 50m1 stop Atlanta Hartsfield-Jackson

10:40 am - 6:07 pmFRA Frankfurt am Main-ONT Ontario

16h 27m1 stop Atlanta Hartsfield-Jackson

$1,371Delta

Sun, Sep 13 - Mon, Sep 28

7:05 am - 8:55 amONT Ontario-FRA Frankfurt am Main

16h 50m1 stop Atlanta Hartsfield-Jackson

11:45 am - 11:47 pmFRA Frankfurt am Main-ONT Ontario

45h 02m2 stops Amsterdam Schiphol Salt Lake City

$1,377Delta

Mon, Sep 14 - Sat, Sep 19

7:05 am - 8:55 amONT Ontario-FRA Frankfurt am Main

16h 50m1 stop Atlanta Hartsfield-Jackson

2:15 pm - 4:35 pmFRA Frankfurt am Main-ONT Ontario

35h 20m2 stops Amsterdam Schiphol Salt Lake City

$1,377Delta

Tue, Sep 15 - Mon, Sep 21

8:25 am - 8:45 amONT Ontario-FRA Frankfurt am Main

15h 20m1 stop Dallas/Fort Worth

10:55 am - 10:37 pmFRA Frankfurt am Main-ONT Ontario

20h 42m1 stop Dallas/Fort Worth

$1,423British Airways

Sun, Sep 13 - Mon, Sep 28

7:20 am - 8:45 amONT Ontario-FRA Frankfurt am Main

16h 25m1 stop Dallas/Fort Worth

10:55 am - 9:09 pmFRA Frankfurt am Main-ONT Ontario

19h 14m1 stop Dallas/Fort Worth

$1,494British Airways

Wed, Sep 16 - Thu, Sep 24

7:20 am - 8:45 amONT Ontario-FRA Frankfurt am Main

16h 25m1 stop Dallas/Fort Worth

10:55 am - 6:53 pmFRA Frankfurt am Main-ONT Ontario

16h 58m1 stop Dallas/Fort Worth

$1,494British Airways

Wed, Sep 16 - Thu, Oct 1

7:00 am - 6:30 amONT Ontario-FRA Frankfurt am Main

14h 30m1 stop Chicago O'Hare Intl

12:55 pm - 8:01 pmFRA Frankfurt am Main-ONT Ontario

16h 06m1 stop San Francisco

$1,510United Airlines

Sat, Sep 12 - Tue, Sep 22

5:00 am - 9:20 amONT Ontario-FRA Frankfurt am Main

19h 20m1 stop Denver Intl

8:50 am - 10:59 pmFRA Frankfurt am Main-ONT Ontario

23h 09m1 stop Chicago O'Hare Intl

$1,510United Airlines

Fri, Sep 11 - Fri, Sep 18

1:18 pm - 11:15 amONT Ontario-FRA Frankfurt am Main

12h 57m1 stop Denver Intl

5:30 pm - 10:59 pmFRA Frankfurt am Main-ONT Ontario

14h 29m1 stop San Francisco

$1,510United Airlines

Sun, Sep 13 - Sun, Sep 27

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Delta flights from Ontario to Frankfurt am Main Airport

Our best Delta deals on Ontario to Frankfurt am Main Airport flight tickets

Delta

Feb 5

ONT12:00 pmOntario

34h 50m

1 stop

FRA7:50 amFrankfurt am Main

Feb 14

FRA10:40 amFrankfurt am Main

33h 47m

1 stop

ONT11:27 amOntario

$813

Delta

Jan 14

ONT7:00 amOntario

15h 50m

1 stop

FRA7:50 amFrankfurt am Main

Jan 29

FRA10:40 amFrankfurt am Main

20h 34m

1 stop

ONT10:14 pmOntario

$821

Delta

Jan 10

ONT7:00 amOntario

15h 50m

1 stop

FRA7:50 amFrankfurt am Main

Jan 24

FRA6:50 amFrankfurt am Main

18h 22m

2 stops

ONT4:12 pmOntario

$849

Alaska Airlines flights from Ontario to Frankfurt am Main Airport

Our best Alaska Airlines deals on Ontario to Frankfurt am Main Airport flight tickets

Alaska Airlines

Sep 22

ONT6:02 amOntario

22h 08m

1 stop

FRA1:10 pmFrankfurt am Main

Oct 22

FRA2:35 pmFrankfurt am Main

18h 07m

1 stop

ONT11:42 pmOntario

$1,125

Alaska Airlines

Sep 22

ONT6:02 amOntario

22h 08m

1 stop

FRA1:10 pmFrankfurt am Main

Oct 22

FRA2:35 pmFrankfurt am Main

35h 30m

2 stops

ONT5:05 pmOntario

$1,178

Alaska Airlines

Sep 22

ONT12:12 pmOntario

15h 58m

1 stop

FRA1:10 pmFrankfurt am Main

Oct 21

FRA2:15 pmFrankfurt am Main

35h 50m

2 stops

ONT5:05 pmOntario

$1,192

momondo Fare Finder

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 Ontario - FRA Frankfurt am Main

ONTFRA

Ontario

Sun 11/1

9:25 am-9:55 am

1 stop15h 30m

Frankfurt am Main

Tue 11/10

8:15 am-6:01 pm

2 stops18h 46m

$794

OntarioFrankfurt am Main

ONT Ontario - FRA Frankfurt am Main

ONTFRA

Ontario

Tue 1/26

7:00 am-7:15 am

1 stop15h 15m

Frankfurt am Main

Wed 2/3

10:15 am-6:53 pm

1 stop17h 38m

$796

OntarioFrankfurt am Main

ONT Ontario - FRA Frankfurt am Main

ONTFRA

Ontario

Tue 1/12

6:00 am-7:15 am

1 stop16h 15m

Frankfurt am Main

Tue 1/26

10:15 am-6:53 pm

1 stop17h 38m

$797

OntarioFrankfurt am Main

ONT Ontario - FRA Frankfurt am Main

ONTFRA

Ontario

Sun 11/1

9:25 am-11:10 am

2 stops16h 45m

Frankfurt am Main

Tue 11/10

8:15 am-6:01 pm

2 stops18h 46m

$802

OntarioFrankfurt am Main

ONT Ontario - FRA Frankfurt am Main

ONTFRA

Ontario

Tue 11/3

9:25 am-9:55 am

1 stop15h 30m

Frankfurt am Main

Tue 11/17

1:30 pm-8:15 pm

1 stop15h 45m

$805

OntarioFrankfurt am Main

ONT Ontario - FRA Frankfurt am Main

ONTFRA

Ontario

Sun 11/1

11:59 pm-7:15 am

1 stop22h 16m

Frankfurt am Main

Tue 11/10

10:15 am-9:40 am

1 stop32h 25m

$805

OntarioFrankfurt am Main

ONT Ontario - FRA Frankfurt am Main

ONTFRA

Ontario

Sat 10/31

12:16 pm-7:50 am

1 stop35h 34m

Frankfurt am Main

Sat 11/14

10:40 am-11:08 am

1 stop33h 28m

$807

Quickest round-trip

OntarioFrankfurt am Main

ONT Ontario - FRA Frankfurt am Main

ONTFRA

Ontario

Tue 12/8

11:26 am-9:55 am

1 stop13h 29m

Frankfurt am Main

Tue 12/22

5:25 pm-10:53 pm

1 stop14h 28m

$816

OntarioFrankfurt am Main

ONT Ontario - FRA Frankfurt am Main

ONTFRA

Ontario

Tue 1/5

11:20 am-9:55 am

1 stop13h 35m

Frankfurt am Main

Wed 1/13

1:30 pm-8:26 pm

1 stop15h 56m

$821

OntarioFrankfurt am Main

ONT Ontario - FRA Frankfurt am Main

ONTFRA

Ontario

Tue 1/5

11:20 am-9:55 am

1 stop13h 35m

Frankfurt am Main

Tue 1/19

1:30 pm-8:26 pm

1 stop15h 56m

$821

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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

In general, September 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 September, then flying in February 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 $919. 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 $1,069. 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 $818. 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 $976.

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

Best Price Found	$380
Fastest flight time	13h 29m
Direct flights	None

The best one-way flight to Frankfurt am Main Airport from Ontario in the past 72 hours is $380. The best round-trip flight deal from Ontario to Frankfurt am Main Airport found on momondo in the last 72 hours is $794.

The fastest flight from Ontario to Frankfurt am Main Airport takes 13h 29m

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 29m 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?
As of September 2026, there are 2 operators available to choose from 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?
Based on momondo bookings for flights between Ontario and Frankfurt am Main Airport, the leading airline is British Airways, making up 52% of the total bookings. Other popular airlines include United Airlines with 48%.

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 Airlines	PriceFrom $695	Free Cancellation	Rating 7.4 10,194 reviews		Search United Airlines flights
British Airways	PriceFrom $719	Free Cancellation	Rating 6.7 8,210 reviews		Search British Airways flights

Heidelberg

Baden-Baden

Wurzburg

Koblenz

Mainz

Darmstadt

Rothenburg ob der Tauber

Nuerburg

Aschaffenburg

Trier

Kaiserslautern

Cochem

Wiesbaden

Ludwigsburg

Hofheim

Heilbronn

Rüdesheim am Rhein

Schwäbisch Hall

Marburg

Bad Homburg

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.

An easier way to manage your Frankfurt am Main Airport trip

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Flights to Frankfurt-Hahn Airportfrom $574

Cheap flights from Ontario to Frankfurt am Main from $380

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 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Ontario to Frankfurt am Main Airport

Our best Delta deals on Ontario to Frankfurt am Main Airport flight tickets

Alaska Airlines flights from Ontario to Frankfurt am Main Airport

Our best Alaska Airlines deals on Ontario to Frankfurt am Main Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Frankfurt am Main Airport that are best for you.

See travel insights to Frankfurt am Main from

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

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

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

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

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

What is the cheapest airline that flies from Ontario to Frankfurt am Main?

What airlines fly to Frankfurt am Main Airport?

Which airport is the most popular layover for flights between Ontario and Frankfurt am Main Airport?

Which layover airport offers the lowest fares from Ontario to Frankfurt am Main Airport?

Which layover airport has the shortest travel time from Ontario to Frankfurt am Main Airport?

Which layover airport has the shortest connection time from Ontario to Frankfurt am Main Airport?

When to book flights from Ontario to Frankfurt am Main Airport

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Traveling to a place near Frankfurt am Main?

Why use momondo?

An easier way to manage your Frankfurt am Main Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Frankfurt am Main

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According to popular flight searches on momondo this year

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List of cabin classes available on flights landing in Frankfurt am Main. Availability may vary depending on flight origin and airline.

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