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.

$633 Cheap Flights from Cologne to Ontario in 2026

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Find the cheapest flights from Cologne to Los Angeles

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4:35 pm - 10:49 pm

CGN

ONT

39h 14m

2 stops

11:58 pm - 4:30 pm

ONT

CGN

31h 32m

2 stops

$633British Airways

Fri, Feb 27 - Mon, Mar 2

4:35 pm - 10:49 pm

CGN

ONT

39h 14m

2 stops

11:58 pm - 4:30 pm

ONT

CGN

31h 32m

2 stops

$636British Airways

Fri, Feb 27 - Mon, Mar 2

4:35 pm - 10:49 pm

CGN

ONT

39h 14m

2 stops

11:58 pm - 4:30 pm

ONT

CGN

31h 32m

2 stops

$638British Airways

Fri, Feb 27 - Mon, Mar 2

1:00 pm - 11:06 pm

CGN

ONT

19h 06m

2 stops

6:00 am - 12:20 pm

ONT

CGN

21h 20m

2 stops

$968United Airlines

Wed, May 27 - Mon, Jun 8

1:00 pm - 10:30 pm

CGN

ONT

18h 30m

2 stops

10:37 am - 12:20 pm

ONT

CGN

16h 43m

2 stops

$973United Airlines

Fri, May 1 - Sun, May 3

4:35 pm - 11:52 pm

CGN

ONT

39h 17m

2 stops

2:39 pm - 4:10 pm

ONT

CGN

17h 31m

2 stops

$1,085British Airways

Sun, Mar 15 - Wed, Mar 25

4:35 pm - 10:48 pm

CGN

ONT

39h 13m

2 stops

11:58 pm - 4:10 pm

ONT

CGN

31h 12m

2 stops

$1,149British Airways

Sun, Feb 8 - Sun, Feb 22

5:10 pm - 6:42 pm

CGN

ONT

34h 32m

2 stops

2:39 pm - 4:10 pm

ONT

CGN

16h 31m

2 stops

$1,180British Airways

Sat, Feb 14 - Wed, Feb 18

5:05 pm - 10:07 pm

CGN

ONT

37h 02m

2 stops

10:56 am - 3:40 pm

ONT

CGN

20h 44m

2 stops

$1,568British Airways

Thu, Mar 12 - Thu, Mar 19

4:35 pm - 4:19 pm

CGN

ONT

32h 44m

2 stops

2:39 pm - 4:30 pm

ONT

CGN

16h 51m

2 stops

$1,787British Airways

Fri, Feb 13 - Tue, Feb 17

British Airways flights from Cologne to Ontario

Our best British Airways deals on Cologne to Ontario flight tickets

British Airways

Feb 27

CGN4:35 pmCologne Köln/Bonn

39h 14m

2 stops

ONT10:49 pmOntario

Mar 2

ONT11:58 pmOntario

31h 32m

2 stops

CGN4:30 pmCologne Köln/Bonn

$633

British Airways

Feb 27

CGN4:35 pmCologne Köln/Bonn

39h 14m

2 stops

ONT10:49 pmOntario

Mar 2

ONT11:58 pmOntario

31h 32m

2 stops

CGN4:30 pmCologne Köln/Bonn

$636

British Airways

Feb 27

CGN4:35 pmCologne Köln/Bonn

39h 14m

2 stops

ONT10:49 pmOntario

Mar 2

ONT11:58 pmOntario

31h 32m

2 stops

CGN4:30 pmCologne Köln/Bonn

$638

United Airlines flights from Cologne to Ontario

Our best United Airlines deals on Cologne to Ontario flight tickets

United Airlines

May 27

CGN1:00 pmCologne Köln/Bonn

19h 06m

2 stops

ONT11:06 pmOntario

Jun 8

ONT6:00 amOntario

21h 20m

2 stops

CGN12:20 pmCologne Köln/Bonn

$968

United Airlines

May 1

CGN1:00 pmCologne Köln/Bonn

18h 30m

2 stops

ONT10:30 pmOntario

May 3

ONT10:37 amOntario

16h 43m

2 stops

CGN12:20 pmCologne Köln/Bonn

$973

Fly from

Fly to

Route

Depart

Return

Price

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 2/27

4:35 pm-10:49 pm

2 stops39h 14m

Ontario

Mon 3/2

11:58 pm-4:30 pm

2 stops31h 32m

$633

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 2/27

4:35 pm-10:49 pm

2 stops39h 14m

Ontario

Mon 3/2

11:58 pm-4:30 pm

2 stops31h 32m

$636

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 2/27

4:35 pm-10:49 pm

2 stops39h 14m

Ontario

Mon 3/2

11:58 pm-4:30 pm

2 stops31h 32m

$638

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Wed 5/27

1:00 pm-11:06 pm

2 stops19h 06m

Ontario

Mon 6/8

6:00 am-12:20 pm

2 stops21h 20m

$968

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 5/1

1:00 pm-10:30 pm

2 stops18h 30m

Ontario

Sun 5/3

10:37 am-12:20 pm

2 stops16h 43m

$973

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Sun 3/15

4:35 pm-11:52 pm

2 stops39h 17m

Ontario

Wed 3/25

2:39 pm-4:10 pm

2 stops17h 31m

$1,085

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Sun 2/8

4:35 pm-10:48 pm

2 stops39h 13m

Ontario

Sun 2/22

11:58 pm-4:10 pm

2 stops31h 12m

$1,149

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Sat 2/14

5:10 pm-6:42 pm

2 stops34h 32m

Ontario

Wed 2/18

2:39 pm-4:10 pm

2 stops16h 31m

$1,180

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Thu 3/12

5:05 pm-10:07 pm

2 stops37h 02m

Ontario

Thu 3/19

10:56 am-3:40 pm

2 stops20h 44m

$1,568

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 2/13

4:35 pm-4:19 pm

2 stops32h 44m

Ontario

Tue 2/17

2:39 pm-4:30 pm

2 stops16h 51m

$1,787

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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?

United Airlines is the most popular carrier operating from Cologne Köln/Bonn to Ontario

What airlines fly to Ontario?

Lufthansa, Condor and United Airlines 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 42% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 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	18h 30m
Direct flights	None

The fastest flight from Cologne to Ontario takes 18h 30m

There are no direct flights from Cologne to Ontario. There are no popular flight routes from Cologne to Ontario.

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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 18h 30m.
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.