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Cheap flights from Cologne to Los Angeles from $982

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Cologne to Los Angeles departing on 9/22. 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 Cologne to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:20 am - 8:01 pmCGN  Cologne Köln/Bonn-ONT Ontario
22h 41m2 stops Zurich San Francisco
United Airlines Logo
11:10 am - 5:40 pmONT  Ontario-CGN Cologne Köln/Bonn
21h 30m2 stops San Francisco Munich Franz Josef Strauss
$982United Airlines
Tue, Sep 22 - Thu, Oct 8
United Airlines Logo
1:05 pm - 10:51 pmCGN  Cologne Köln/Bonn-ONT Ontario
18h 46m2 stops Munich Franz Josef Strauss San Francisco
United Airlines Logo
11:10 am - 12:25 pmONT  Ontario-CGN Cologne Köln/Bonn
16h 15m2 stops San Francisco Munich Franz Josef Strauss
$1,133United Airlines
Thu, Oct 1 - Sat, Oct 17
Turkish Airlines Logo
7:15 pm - 8:57 pmCGN  Cologne Köln/Bonn-ONT Ontario
34h 42m2 stops Istanbul New York John F Kennedy Intl
Turkish Airlines Logo
10:39 pm - 9:25 amONT  Ontario-CGN Cologne Köln/Bonn
49h 46m2 stops New York John F Kennedy Intl Istanbul
$1,199Turkish Airlines
Thu, Sep 24 - Tue, Sep 29
United Airlines Logo
1:05 pm - 10:59 pmCGN  Cologne Köln/Bonn-ONT Ontario
18h 54m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
United Airlines Logo
11:10 am - 12:25 pmONT  Ontario-CGN Cologne Köln/Bonn
16h 15m2 stops San Francisco Munich Franz Josef Strauss
$1,211United Airlines
Tue, Sep 22 - Sat, Oct 10
United Airlines Logo
8:30 am - 8:53 pmCGN  Cologne Köln/Bonn-ONT Ontario
21h 23m2 stops Munich Franz Josef Strauss Denver Intl
United Airlines Logo
11:10 am - 12:25 pmONT  Ontario-CGN Cologne Köln/Bonn
16h 15m2 stops San Francisco Munich Franz Josef Strauss
$1,219United Airlines
Sat, Sep 19 - Sat, Oct 3
United Airlines Logo
8:30 am - 8:53 pmCGN  Cologne Köln/Bonn-ONT Ontario
21h 23m2 stops Munich Franz Josef Strauss Denver Intl
United Airlines Logo
11:10 am - 12:25 pmONT  Ontario-CGN Cologne Köln/Bonn
16h 15m2 stops San Francisco Munich Franz Josef Strauss
$1,221United Airlines
Sat, Sep 19 - Sat, Oct 3
Turkish Airlines Logo
7:15 pm - 8:57 pmCGN  Cologne Köln/Bonn-ONT Ontario
58h 42m2 stops Istanbul New York John F Kennedy Intl
Turkish Airlines Logo
11:05 pm - 1:50 pmONT  Ontario-CGN Cologne Köln/Bonn
53h 45m2 stops New York John F Kennedy Intl Istanbul
$1,319Turkish Airlines
Thu, Oct 1 - Wed, Oct 14
Turkish Airlines Logo
7:15 pm - 8:57 pmCGN  Cologne Köln/Bonn-ONT Ontario
58h 42m2 stops Istanbul New York John F Kennedy Intl
Turkish Airlines Logo
10:42 pm - 9:25 amONT  Ontario-CGN Cologne Köln/Bonn
25h 43m2 stops New York John F Kennedy Intl Istanbul
$1,396Turkish Airlines
Mon, Sep 21 - Tue, Oct 6
Turkish Airlines Logo
7:15 pm - 8:57 pmCGN  Cologne Köln/Bonn-ONT Ontario
34h 42m2 stops Istanbul New York John F Kennedy Intl
Turkish Airlines Logo
10:39 pm - 9:25 amONT  Ontario-CGN Cologne Köln/Bonn
25h 46m2 stops New York John F Kennedy Intl Istanbul
$1,397Turkish Airlines
Thu, Sep 17 - Sun, Sep 20
Turkish Airlines Logo
7:15 pm - 8:57 pmCGN  Cologne Köln/Bonn-ONT Ontario
34h 42m2 stops Istanbul New York John F Kennedy Intl
Turkish Airlines Logo
11:05 pm - 9:25 amONT  Ontario-CGN Cologne Köln/Bonn
25h 20m2 stops New York John F Kennedy Intl Istanbul
$1,413Turkish Airlines
Tue, Sep 22 - Sat, Oct 10

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United Airlines flights from Cologne to Ontario

Our best United Airlines deals on Cologne to Ontario flight tickets
United Airlines
Sep 22
CGN6:20 amCologne Köln/Bonn
22h 41m
2 stops
ONT8:01 pmOntario
Oct 8
ONT11:10 amOntario
21h 30m
2 stops
CGN5:40 pmCologne Köln/Bonn
$982
United Airlines
Oct 1
CGN1:05 pmCologne Köln/Bonn
18h 46m
2 stops
ONT10:51 pmOntario
Oct 17
ONT11:10 amOntario
16h 15m
2 stops
CGN12:25 pmCologne Köln/Bonn
$1,133
United Airlines
Sep 22
CGN1:05 pmCologne Köln/Bonn
18h 54m
2 stops
ONT10:59 pmOntario
Oct 10
ONT11:10 amOntario
16h 15m
2 stops
CGN12:25 pmCologne Köln/Bonn
$1,211

Turkish Airlines flights from Cologne to Ontario

Our best Turkish Airlines deals on Cologne to Ontario flight tickets
Turkish Airlines
Sep 24
CGN7:15 pmCologne Köln/Bonn
34h 42m
2 stops
ONT8:57 pmOntario
Sep 29
ONT10:39 pmOntario
49h 46m
2 stops
CGN9:25 amCologne Köln/Bonn
$1,199
Turkish Airlines
Oct 1
CGN7:15 pmCologne Köln/Bonn
58h 42m
2 stops
ONT8:57 pmOntario
Oct 14
ONT11:05 pmOntario
53h 45m
2 stops
CGN1:50 pmCologne Köln/Bonn
$1,319
Turkish Airlines
Sep 21
CGN7:15 pmCologne Köln/Bonn
58h 42m
2 stops
ONT8:57 pmOntario
Oct 6
ONT10:42 pmOntario
25h 43m
2 stops
CGN9:25 amCologne Köln/Bonn
$1,396

momondo Fare Finder

 
Customize your flight search to find flights from Cologne 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 August 12, 2026.
Use the filters below to find and compare flights from Cologne to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CologneOntario

CGN Cologne Köln/Bonn - ONT Ontario

CGNONT

Cologne Köln/Bonn

Tue 9/22

6:20 am-8:01 pm

2 stops22h 41m

Ontario

Thu 10/8

11:10 am-5:40 pm

2 stops21h 30m

$982
Quickest round-trip

CologneOntario

CGN Cologne Köln/Bonn - ONT Ontario

CGNONT

Cologne Köln/Bonn

Thu 10/1

1:05 pm-10:51 pm

2 stops18h 46m

Ontario

Sat 10/17

11:10 am-12:25 pm

2 stops16h 15m

$1,133

CologneOntario

CGN Cologne Köln/Bonn - ONT Ontario

CGNONT

Cologne Köln/Bonn

Thu 9/24

7:15 pm-8:57 pm

2 stops34h 42m

Ontario

Tue 9/29

10:39 pm-9:25 am

2 stops49h 46m

$1,199

CologneOntario

CGN Cologne Köln/Bonn - ONT Ontario

CGNONT

Cologne Köln/Bonn

Tue 9/22

1:05 pm-10:59 pm

2 stops18h 54m

Ontario

Sat 10/10

11:10 am-12:25 pm

2 stops16h 15m

$1,211

CologneOntario

CGN Cologne Köln/Bonn - ONT Ontario

CGNONT

Cologne Köln/Bonn

Sat 9/19

8:30 am-8:53 pm

2 stops21h 23m

Ontario

Sat 10/3

11:10 am-12:25 pm

2 stops16h 15m

$1,219

CologneOntario

CGN Cologne Köln/Bonn - ONT Ontario

CGNONT

Cologne Köln/Bonn

Sat 9/19

8:30 am-8:53 pm

2 stops21h 23m

Ontario

Sat 10/3

11:10 am-12:25 pm

2 stops16h 15m

$1,221

CologneOntario

CGN Cologne Köln/Bonn - ONT Ontario

CGNONT

Cologne Köln/Bonn

Thu 10/1

7:15 pm-8:57 pm

2 stops58h 42m

Ontario

Wed 10/14

11:05 pm-1:50 pm

2 stops53h 45m

$1,319

CologneOntario

CGN Cologne Köln/Bonn - ONT Ontario

CGNONT

Cologne Köln/Bonn

Mon 9/21

7:15 pm-8:57 pm

2 stops58h 42m

Ontario

Tue 10/6

10:42 pm-9:25 am

2 stops25h 43m

$1,396

CologneOntario

CGN Cologne Köln/Bonn - ONT Ontario

CGNONT

Cologne Köln/Bonn

Thu 9/17

7:15 pm-8:57 pm

2 stops34h 42m

Ontario

Sun 9/20

10:39 pm-9:25 am

2 stops25h 46m

$1,397

CologneOntario

CGN Cologne Köln/Bonn - ONT Ontario

CGNONT

Cologne Köln/Bonn

Tue 9/22

7:15 pm-8:57 pm

2 stops34h 42m

Ontario

Sat 10/10

11:05 pm-9:25 am

2 stops25h 20m

$1,413

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Cologne 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 airline that flies from Cologne Köln/Bonn to Ontario?

British Airways and United Airlines are the most popular carriers operating from Cologne Köln/Bonn to Ontario

What airlines fly to Ontario?

Lufthansa, United Airlines and Condor are the top three most popular airlines that fly to Ontario from Cologne according to our data. Lufthansa is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 10 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Cologne to Ontario

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

Cheap Cologne to Ontario (CGN to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cologne to Ontario

Fastest flight time

21h 23m

Direct flights

None
The fastest flight from Cologne to Ontario takes 21h 23m
There are no direct flights from Cologne to Ontario. There are no popular flight routes from Cologne to Ontario.
Search flight deals

Frequently asked questions about flying from Cologne to Ontario

  • How far is Cologne Köln/Bonn to Ontario by plane?

    A flight from Cologne Köln/Bonn to Ontario will travel around 5664.5 mi. A reasonable flight in good conditions will take 21h 23m.

  • When did momondo last update prices for flights from Cologne Köln/Bonn Airport to Ontario Airport?

    Prices for flights from Cologne Köln/Bonn Airport to Ontario Airport are updated daily.

  • How old do you have to be to fly from Cologne Köln/Bonn Airport to Ontario 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 Cologne Köln/Bonn 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 Cologne to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cologne to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Cologne to Ontario with flexible booking policies on momondo?

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

How can momondo help me find flights from Cologne 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 Cologne.

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

If you are not ready to book a flight from Cologne to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

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