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Cheap flights from Frankfurt am Main Airport to Los Angeles from $552

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 9/4. 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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0 bags

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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.
KLM Logo
7:00 am - 4:25 pm
FRA
-
ONT
18h 25m
2 stops
KLM Logo
7:05 am - 9:00 am
ONT
-
FRA
16h 55m
2 stops
$687KLM
Thu, Apr 23 - Tue, Apr 28
Multiple Airlines Logo
6:35 am - 6:57 pm
FRA
-
ONT
21h 22m
2 stops
Multiple Airlines Logo
2:22 pm - 9:45 pm
ONT
-
FRA
22h 23m
2 stops
$688Multiple Airlines
Mon, Aug 24 - Fri, Sep 11
Delta Logo
7:00 am - 4:25 pm
FRA
-
ONT
18h 25m
2 stops
Delta Logo
7:05 am - 8:55 am
ONT
-
FRA
16h 50m
1 stop
$689Delta
Thu, Apr 23 - Sun, Apr 26
KLM Logo
7:00 am - 4:25 pm
FRA
-
ONT
18h 25m
2 stops
KLM Logo
7:05 am - 8:55 am
ONT
-
FRA
16h 50m
1 stop
$690KLM
Thu, Apr 23 - Tue, Apr 28
British Airways Logo
10:55 am - 6:37 pm
FRA
-
ONT
16h 42m
1 stop
British Airways Logo
6:00 am - 8:45 am
ONT
-
FRA
17h 45m
1 stop
$691British Airways
Thu, Apr 23 - Sun, Apr 26
United Airlines Logo
11:25 am - 10:50 pm
FRA
-
ONT
20h 25m
2 stops
United Airlines Logo
5:00 am - 12:10 pm
ONT
-
FRA
22h 10m
3 stops
$692United Airlines
Sat, May 23 - Sat, May 30
Air France Logo
7:00 am - 5:15 pm
FRA
-
ONT
19h 15m
2 stops
Air France Logo
7:05 am - 9:00 am
ONT
-
FRA
16h 55m
2 stops
$693Air France
Sat, Apr 25 - Tue, Apr 28
British Airways Logo
10:55 am - 6:37 pm
FRA
-
ONT
16h 42m
1 stop
British Airways Logo
7:30 am - 8:45 am
ONT
-
FRA
16h 15m
1 stop
$694British Airways
Fri, Apr 24 - Sun, May 10
KLM Logo
7:05 am - 4:14 pm
FRA
-
ONT
18h 09m
2 stops
KLM Logo
10:59 pm - 8:55 am
ONT
-
FRA
24h 56m
1 stop
$695KLM
Tue, Sep 8 - Tue, Sep 22
United Airlines Logo
9:15 am - 5:56 pm
FRA
-
ONT
17h 41m
2 stops
United Airlines Logo
6:00 am - 9:45 am
ONT
-
FRA
18h 45m
1 stop
$696United Airlines
Tue, Jun 16 - Tue, Jun 23

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
May 23
FRA11:25 amFrankfurt am Main
20h 25m
2 stops
ONT10:50 pmOntario
May 30
ONT5:00 amOntario
22h 10m
3 stops
FRA12:10 pmFrankfurt am Main
$692
United Airlines
Jun 16
FRA9:15 amFrankfurt am Main
17h 41m
2 stops
ONT5:56 pmOntario
Jun 23
ONT6:00 amOntario
18h 45m
1 stop
FRA9:45 amFrankfurt am Main
$696
United Airlines
Apr 22
FRA10:25 amFrankfurt am Main
16h 22m
1 stop
ONT5:47 pmOntario
Apr 26
ONT11:05 amOntario
13h 40m
1 stop
FRA9:45 amFrankfurt am Main
$698

Delta flights from Frankfurt am Main Airport to Ontario

Our best Delta deals on Frankfurt am Main Airport to Ontario flight tickets
Delta
Apr 23
FRA7:00 amFrankfurt am Main
18h 25m
2 stops
ONT4:25 pmOntario
Apr 26
ONT7:05 amOntario
16h 50m
1 stop
FRA8:55 amFrankfurt am Main
$689
Delta
Apr 16
FRA11:45 amFrankfurt am Main
32h 28m
2 stops
ONT11:13 amOntario
Apr 20
ONT10:15 pmOntario
25h 45m
2 stops
FRA9:00 amFrankfurt am Main
$693

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 April 12, 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

Thu 4/23

7:00 am-4:25 pm

2 stops18h 25m

Ontario

Tue 4/28

7:05 am-9:00 am

2 stops16h 55m

$687

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 8/24

6:35 am-6:57 pm

2 stops21h 22m

Ontario

Fri 9/11

2:22 pm-9:45 pm

2 stops22h 23m

$688

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Thu 4/23

7:00 am-4:25 pm

2 stops18h 25m

Ontario

Sun 4/26

7:05 am-8:55 am

1 stop16h 50m

$689

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Thu 4/23

7:00 am-4:25 pm

2 stops18h 25m

Ontario

Tue 4/28

7:05 am-8:55 am

1 stop16h 50m

$690

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Thu 4/23

10:55 am-6:37 pm

1 stop16h 42m

Ontario

Sun 4/26

6:00 am-8:45 am

1 stop17h 45m

$691

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Sat 5/23

11:25 am-10:50 pm

2 stops20h 25m

Ontario

Sat 5/30

5:00 am-12:10 pm

3 stops22h 10m

$692

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Sat 4/25

7:00 am-5:15 pm

2 stops19h 15m

Ontario

Tue 4/28

7:05 am-9:00 am

2 stops16h 55m

$693
Quickest round-trip

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Fri 4/24

10:55 am-6:37 pm

1 stop16h 42m

Ontario

Sun 5/10

7:30 am-8:45 am

1 stop16h 15m

$694

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Tue 9/8

7:05 am-4:14 pm

2 stops18h 09m

Ontario

Tue 9/22

10:59 pm-8:55 am

1 stop24h 56m

$695

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Tue 6/16

9:15 am-5:56 pm

2 stops17h 41m

Ontario

Tue 6/23

6:00 am-9:45 am

1 stop18h 45m

$696

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?

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 36m

Direct flights

None
The fastest flight from Frankfurt am Main Airport to Ontario takes 14h 36m
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.
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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 36m.

  • 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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