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Cheap flights from Frankfurt am Main Airport to Ontario from $481

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 Ontario departing on 5/12. 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
0 bags

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Find the cheapest flights from Frankfurt am Main Airport to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:55 am - 6:25 pm
FRA
-
ONT
16h 30m
1 stop
American Airlines Logo
2:56 pm - 10:20 pm
ONT
-
FRA
22h 24m
2 stops
$615American Airlines
Thu, Sep 3 - Sun, Sep 20
British Airways Logo
10:55 am - 6:25 pm
FRA
-
ONT
16h 30m
1 stop
British Airways Logo
8:15 am - 8:45 am
ONT
-
FRA
15h 30m
1 stop
$616British Airways
Thu, Aug 27 - Sun, Sep 6
British Airways Logo
10:55 am - 6:25 pm
FRA
-
ONT
16h 30m
1 stop
British Airways Logo
11:59 pm - 8:45 am
ONT
-
FRA
23h 46m
1 stop
$618British Airways
Wed, Aug 26 - Sat, Sep 5
British Airways Logo
10:55 am - 6:25 pm
FRA
-
ONT
16h 30m
1 stop
British Airways Logo
2:56 pm - 8:45 am
ONT
-
FRA
32h 49m
1 stop
$626British Airways
Thu, Sep 3 - Sat, Sep 19
British Airways Logo
9:20 am - 9:07 pm
FRA
-
ONT
20h 47m
1 stop
British Airways Logo
6:00 am - 8:45 am
ONT
-
FRA
17h 45m
1 stop
$639British Airways
Sat, Apr 25 - Mon, May 11
British Airways Logo
9:20 am - 9:07 pm
FRA
-
ONT
20h 47m
1 stop
British Airways Logo
11:59 pm - 8:45 am
ONT
-
FRA
23h 46m
1 stop
$649British Airways
Mon, Apr 27 - Tue, May 12
British Airways Logo
10:55 am - 6:25 pm
FRA
-
ONT
16h 30m
1 stop
British Airways Logo
11:59 pm - 8:45 am
ONT
-
FRA
23h 46m
1 stop
$651British Airways
Wed, Sep 2 - Sat, Sep 19
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
$652British Airways
Wed, Apr 22 - Wed, May 6
Iberia Logo
10:15 am - 11:59 pm
FRA
-
ONT
21h 44m
1 stop
Iberia Logo
7:00 am - 8:45 am
ONT
-
FRA
16h 45m
1 stop
$655Iberia
Thu, Mar 19 - Wed, Apr 1
British Airways Logo
9:20 am - 9:07 pm
FRA
-
ONT
20h 47m
1 stop
British Airways Logo
7:30 am - 8:45 am
ONT
-
FRA
16h 15m
1 stop
$659British Airways
Thu, Apr 16 - Thu, Apr 23

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
Sep 3
FRA6:40 amFrankfurt am Main
24h 34m
2 stops
ONT10:14 pmOntario
Sep 20
ONT12:47 pmOntario
24h 33m
2 stops
FRA10:20 pmFrankfurt am Main
$626
British Airways
Apr 27
FRA9:20 amFrankfurt am Main
20h 47m
1 stop
ONT9:07 pmOntario
May 12
ONT11:59 pmOntario
23h 46m
1 stop
FRA8:45 amFrankfurt am Main
$649
British Airways
Sep 2
FRA10:55 amFrankfurt am Main
16h 30m
1 stop
ONT6:25 pmOntario
Sep 19
ONT11:59 pmOntario
23h 46m
1 stop
FRA8:45 amFrankfurt am Main
$651

Iberia flights from Frankfurt am Main Airport to Ontario

Our best Iberia deals on Frankfurt am Main Airport to Ontario flight tickets
Iberia
Mar 19
FRA10:15 amFrankfurt am Main
21h 44m
1 stop
ONT11:59 pmOntario
Apr 1
ONT7:00 amOntario
16h 45m
1 stop
FRA8:45 amFrankfurt am Main
$655
Iberia
Mar 16
FRA10:15 amFrankfurt am Main
20h 15m
1 stop
ONT10:30 pmOntario
Mar 31
ONT7:00 amOntario
16h 45m
1 stop
FRA8:45 amFrankfurt am Main
$766
Iberia
Mar 19
FRA10:15 amFrankfurt am Main
21h 44m
1 stop
ONT11:59 pmOntario
Mar 23
ONT7:00 amOntario
16h 15m
1 stop
FRA7:15 amFrankfurt am Main
$771

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 March 7, 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 9/3

10:55 am-6:25 pm

1 stop16h 30m

Ontario

Sun 9/20

2:56 pm-10:20 pm

2 stops22h 24m

$615
Quickest round-trip

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Thu 8/27

10:55 am-6:25 pm

1 stop16h 30m

Ontario

Sun 9/6

8:15 am-8:45 am

1 stop15h 30m

$616

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Wed 8/26

10:55 am-6:25 pm

1 stop16h 30m

Ontario

Sat 9/5

11:59 pm-8:45 am

1 stop23h 46m

$618

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Thu 9/3

10:55 am-6:25 pm

1 stop16h 30m

Ontario

Sat 9/19

2:56 pm-8:45 am

1 stop32h 49m

$626

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Sat 4/25

9:20 am-9:07 pm

1 stop20h 47m

Ontario

Mon 5/11

6:00 am-8:45 am

1 stop17h 45m

$639

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Mon 4/27

9:20 am-9:07 pm

1 stop20h 47m

Ontario

Tue 5/12

11:59 pm-8:45 am

1 stop23h 46m

$649

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Wed 9/2

10:55 am-6:25 pm

1 stop16h 30m

Ontario

Sat 9/19

11:59 pm-8:45 am

1 stop23h 46m

$651

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Wed 4/22

10:55 am-6:37 pm

1 stop16h 42m

Ontario

Wed 5/6

7:30 am-8:45 am

1 stop16h 15m

$652

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Thu 3/19

10:15 am-11:59 pm

1 stop21h 44m

Ontario

Wed 4/1

7:00 am-8:45 am

1 stop16h 45m

$655

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

Thu 4/16

9:20 am-9:07 pm

1 stop20h 47m

Ontario

Thu 4/23

7:30 am-8:45 am

1 stop16h 15m

$659

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 Ontario 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 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 16m

Direct flights

None
The fastest flight from Frankfurt am Main Airport to Ontario takes 14h 16m
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

  • 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 16m.

  • 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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