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Cheap flights from Frankfurt am Main Airport to Los Angeles from $476

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 9/17. 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.
United Airlines Logo
12:40 pm - 10:49 pm
FRA
-
ONT
19h 09m
1 stop
United Airlines Logo
7:00 am - 6:30 am
ONT
-
FRA
14h 30m
1 stop
$575United Airlines
Fri, Sep 25 - Wed, Oct 7
British Airways Logo
10:55 am - 6:47 pm
FRA
-
ONT
16h 52m
1 stop
British Airways Logo
7:20 am - 8:45 am
ONT
-
FRA
16h 25m
1 stop
$641British Airways
Mon, Aug 24 - Wed, Sep 16
British Airways Logo
10:15 am - 11:52 pm
FRA
-
ONT
21h 37m
1 stop
British Airways Logo
12:55 pm - 9:50 am
ONT
-
FRA
35h 55m
2 stops
$643British Airways
Sat, Oct 31 - Fri, Nov 13
British Airways Logo
10:55 am - 10:59 pm
FRA
-
ONT
21h 04m
1 stop
British Airways Logo
6:00 am - 8:45 am
ONT
-
FRA
17h 45m
1 stop
$645British Airways
Mon, Aug 24 - Sun, Aug 30
Multiple Airlines Logo
6:35 am - 10:59 pm
FRA
-
ONT
25h 24m
2 stops
Multiple Airlines Logo
10:29 am - 10:20 pm
ONT
-
FRA
26h 51m
2 stops
$646Multiple Airlines
Wed, Aug 12 - Mon, Aug 24
British Airways Logo
10:55 am - 10:59 pm
FRA
-
ONT
21h 04m
1 stop
British Airways Logo
12:33 pm - 9:35 am
ONT
-
FRA
36h 02m
2 stops
$647British Airways
Mon, Aug 24 - Sun, Aug 30
Multiple Airlines Logo
9:20 am - 6:15 pm
FRA
-
ONT
17h 55m
2 stops
Multiple Airlines Logo
7:20 am - 8:45 am
ONT
-
FRA
16h 25m
1 stop
$648Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
11:25 am - 8:31 pm
FRA
-
ONT
18h 06m
2 stops
United Airlines Logo
1:52 pm - 2:55 pm
ONT
-
FRA
17h 03m
1 stop
$649United Airlines
Thu, Oct 22 - Sun, Oct 25
United Airlines Logo
4:30 pm - 8:01 pm
FRA
-
ONT
36h 31m
2 stops
United Airlines Logo
7:00 am - 6:30 am
ONT
-
FRA
14h 30m
1 stop
$650United Airlines
Wed, Aug 12 - Tue, Aug 25
United Airlines Logo
11:25 am - 8:01 pm
FRA
-
ONT
17h 36m
2 stops
United Airlines Logo
4:04 pm - 2:55 pm
ONT
-
FRA
13h 51m
1 stop
$651United Airlines
Tue, Sep 1 - Wed, Nov 25

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United Airlines flights from Frankfurt am Main Airport to Ontario

Our best United Airlines deals on Frankfurt am Main Airport to Ontario flight tickets
United Airlines
Sep 25
FRA12:40 pmFrankfurt am Main
19h 09m
1 stop
ONT10:49 pmOntario
Oct 7
ONT7:00 amOntario
14h 30m
1 stop
FRA6:30 amFrankfurt am Main
$575
United Airlines
Oct 22
FRA11:25 amFrankfurt am Main
18h 06m
2 stops
ONT8:31 pmOntario
Oct 25
ONT1:52 pmOntario
17h 03m
1 stop
FRA2:55 pmFrankfurt am Main
$649
United Airlines
Aug 12
FRA4:30 pmFrankfurt am Main
36h 31m
2 stops
ONT8:01 pmOntario
Aug 27
ONT5:00 amOntario
19h 20m
1 stop
FRA9:20 amFrankfurt am Main
$650

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 11
FRA12:10 pmFrankfurt am Main
30h 24m
2 stops
ONT9:34 amOntario
Aug 30
ONT10:29 amOntario
35h 51m
2 stops
FRA7:20 amFrankfurt am Main
$664
American Airlines
Jul 25
FRA10:55 amFrankfurt am Main
18h 04m
1 stop
ONT7:59 pmOntario
Aug 8
ONT7:05 amOntario
16h 40m
1 stop
FRA8:45 amFrankfurt am Main
$1,237

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 July 19, 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

Fri 9/25

12:40 pm-10:49 pm

1 stop19h 09m

Ontario

Wed 10/7

7:00 am-6:30 am

1 stop14h 30m

$575

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 8/24

10:55 am-6:47 pm

1 stop16h 52m

Ontario

Wed 9/16

7:20 am-8:45 am

1 stop16h 25m

$641

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Sat 10/31

10:15 am-11:52 pm

1 stop21h 37m

Ontario

Fri 11/13

12:55 pm-9:50 am

2 stops35h 55m

$643

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 8/24

10:55 am-10:59 pm

1 stop21h 04m

Ontario

Sun 8/30

6:00 am-8:45 am

1 stop17h 45m

$645

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Wed 8/12

6:35 am-10:59 pm

2 stops25h 24m

Ontario

Mon 8/24

10:29 am-10:20 pm

2 stops26h 51m

$646

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 8/24

10:55 am-10:59 pm

1 stop21h 04m

Ontario

Sun 8/30

12:33 pm-9:35 am

2 stops36h 02m

$647

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Wed 9/2

9:20 am-6:15 pm

2 stops17h 55m

Ontario

Wed 9/9

7:20 am-8:45 am

1 stop16h 25m

$648

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Thu 10/22

11:25 am-8:31 pm

2 stops18h 06m

Ontario

Sun 10/25

1:52 pm-2:55 pm

1 stop17h 03m

$649

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Wed 8/12

4:30 pm-8:01 pm

2 stops36h 31m

Ontario

Tue 8/25

7:00 am-6:30 am

1 stop14h 30m

$650
Quickest round-trip

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Tue 9/1

11:25 am-8:01 pm

2 stops17h 36m

Ontario

Wed 11/25

4:04 pm-2:55 pm

1 stop13h 51m

$651

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Frankfurt am Main Airport and Ontario?

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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