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Cheap flights from Frankfurt am Main Airport to Los Angeles from $545

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Frankfurt am Main Airport to Los Angeles departing on 9/28. 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

Find the cheapest flights from Frankfurt am Main Airport to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
10:55 am - 10:37 pm
FRA
-
ONT
20h 42m
1 stop
British Airways Logo
12:37 pm - 8:45 am
ONT
-
FRA
35h 08m
1 stop
$682British Airways
Wed, Sep 9 - Wed, Sep 23
British Airways Logo
10:15 am - 6:22 pm
FRA
-
ONT
17h 07m
1 stop
British Airways Logo
6:10 am - 7:15 am
ONT
-
FRA
16h 05m
1 stop
$683British Airways
Mon, Nov 2 - Wed, Nov 11
British Airways Logo
10:55 am - 8:09 pm
FRA
-
ONT
18h 14m
1 stop
British Airways Logo
6:00 am - 8:45 am
ONT
-
FRA
17h 45m
1 stop
$684British Airways
Tue, Sep 15 - Tue, Sep 29
British Airways Logo
10:55 am - 6:47 pm
FRA
-
ONT
16h 52m
1 stop
British Airways Logo
7:05 am - 8:45 am
ONT
-
FRA
16h 40m
1 stop
$685British Airways
Wed, Aug 12 - Thu, Aug 27
British Airways Logo
10:55 am - 6:47 pm
FRA
-
ONT
16h 52m
1 stop
British Airways Logo
8:25 am - 8:45 am
ONT
-
FRA
15h 20m
1 stop
$686British Airways
Wed, Sep 2 - Tue, Sep 15
British Airways Logo
10:55 am - 6:57 pm
FRA
-
ONT
17h 02m
1 stop
British Airways Logo
6:00 am - 7:15 am
ONT
-
FRA
17h 15m
1 stop
$687British Airways
Thu, Oct 15 - Thu, Oct 29
British Airways Logo
10:15 am - 6:22 pm
FRA
-
ONT
17h 07m
1 stop
British Airways Logo
6:00 am - 7:15 am
ONT
-
FRA
16h 15m
1 stop
$688British Airways
Sun, Nov 22 - Wed, Dec 2
American Airlines Logo
10:55 am - 6:47 pm
FRA
-
ONT
16h 52m
1 stop
American Airlines Logo
2:22 pm - 6:40 pm
ONT
-
FRA
19h 18m
2 stops
$689American Airlines
Thu, Aug 27 - Wed, Sep 9
United Airlines Logo
7:45 am - 10:51 pm
FRA
-
ONT
24h 06m
2 stops
United Airlines Logo
6:10 am - 6:30 am
ONT
-
FRA
15h 20m
1 stop
$690United Airlines
Tue, Jul 7 - Fri, Aug 7
American Airlines Logo
10:15 am - 6:22 pm
FRA
-
ONT
17h 07m
1 stop
American Airlines Logo
12:46 pm - 3:30 pm
ONT
-
FRA
17h 44m
2 stops
$691American Airlines
Mon, Nov 23 - Mon, Dec 7

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British Airways flights from Frankfurt am Main Airport to Ontario

Our best British Airways deals on Frankfurt am Main Airport to Ontario flight tickets
British Airways
Jun 24
FRA9:20 amFrankfurt am Main
18h 01m
2 stops
ONT6:21 pmOntario
Jun 28
ONT11:59 pmOntario
22h 21m
2 stops
FRA7:20 amFrankfurt am Main
$670
British Airways
Jun 24
FRA9:20 amFrankfurt am Main
22h 16m
1 stop
ONT10:36 pmOntario
Jun 29
ONT5:45 amOntario
16h 35m
2 stops
FRA7:20 amFrankfurt am Main
$675
British Airways
Jun 22
FRA9:20 amFrankfurt am Main
23h 39m
2 stops
ONT11:59 pmOntario
Jun 27
ONT2:18 pmOntario
33h 27m
1 stop
FRA8:45 amFrankfurt am Main
$679

American Airlines flights from Frankfurt am Main Airport to Ontario

Our best American Airlines deals on Frankfurt am Main Airport to Ontario flight tickets
American Airlines
Aug 27
FRA10:55 amFrankfurt am Main
16h 52m
1 stop
ONT6:47 pmOntario
Sep 9
ONT2:22 pmOntario
19h 18m
2 stops
FRA6:40 pmFrankfurt am Main
$689
American Airlines
Nov 23
FRA10:15 amFrankfurt am Main
17h 07m
1 stop
ONT6:22 pmOntario
Dec 7
ONT12:46 pmOntario
17h 44m
2 stops
FRA3:30 pmFrankfurt am Main
$691
American Airlines
Aug 25
FRA6:40 amFrankfurt am Main
20h 35m
2 stops
ONT6:15 pmOntario
Sep 7
ONT2:27 pmOntario
22h 53m
2 stops
FRA10:20 pmFrankfurt am Main
$697

momondo Fare Finder

 
Customize your flight search to find flights from Frankfurt am Main Airport to Ontario 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 June 16, 2026.
Use the filters below to find and compare flights from Frankfurt am Main Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Wed 9/9

10:55 am-10:37 pm

1 stop20h 42m

Ontario

Wed 9/23

12:37 pm-8:45 am

1 stop35h 08m

$682

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 11/2

10:15 am-6:22 pm

1 stop17h 07m

Ontario

Wed 11/11

6:10 am-7:15 am

1 stop16h 05m

$683

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Tue 9/15

10:55 am-8:09 pm

1 stop18h 14m

Ontario

Tue 9/29

6:00 am-8:45 am

1 stop17h 45m

$684

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Wed 8/12

10:55 am-6:47 pm

1 stop16h 52m

Ontario

Thu 8/27

7:05 am-8:45 am

1 stop16h 40m

$685
Quickest round-trip

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Wed 9/2

10:55 am-6:47 pm

1 stop16h 52m

Ontario

Tue 9/15

8:25 am-8:45 am

1 stop15h 20m

$686

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Thu 10/15

10:55 am-6:57 pm

1 stop17h 02m

Ontario

Thu 10/29

6:00 am-7:15 am

1 stop17h 15m

$687

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Sun 11/22

10:15 am-6:22 pm

1 stop17h 07m

Ontario

Wed 12/2

6:00 am-7:15 am

1 stop16h 15m

$688

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Thu 8/27

10:55 am-6:47 pm

1 stop16h 52m

Ontario

Wed 9/9

2:22 pm-6:40 pm

2 stops19h 18m

$689

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Tue 7/7

7:45 am-10:51 pm

2 stops24h 06m

Ontario

Fri 8/7

6:10 am-6:30 am

1 stop15h 20m

$690

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 11/23

10:15 am-6:22 pm

1 stop17h 07m

Ontario

Mon 12/7

12:46 pm-3:30 pm

2 stops17h 44m

$691

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 Los Angeles from

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

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 cheapest month to fly to Ontario?

In general, May is the cheapest month to fly from Frankfurt am Main Airport to Ontario. 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 during the month of May, then book flights to Ontario from Frankfurt am Main Airport during February instead. Flights to Ontario in February, while not as cheap as those in May, still average around $0.

When to book flights from Frankfurt am Main Airport to Ontario

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

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

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

Fastest flight time

14h 29m

Direct flights

None
The fastest flight from Frankfurt am Main Airport to Ontario takes 14h 29m
There are no direct flights from Frankfurt am Main Airport to Ontario. There are no popular flight routes from Frankfurt am Main Airport to Ontario.
Search flight deals

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

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

    A flight from Frankfurt am Main to Ontario will travel around 5758.0 mi. By plane, this route typically takes 14h 29m.

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

    Prices for flights from Frankfurt am Main Airport to Ontario Airport are updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Frankfurt am Main Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Frankfurt am Main.

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

Yes. momondo allows you to filter the results for Frankfurt am Main to Ontario flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Frankfurt am Main.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Frankfurt am Main and alert you when they change.

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