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.

$651 Cheap Flights from Cologne to Ontario in 2025/26

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Find the cheapest flights from Cologne to Los Angeles

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5:05 pm - 5:22 pmCGN-ONT

33h 17m2 stops

3:09 pm - 3:40 pmONT-CGN

15h 31m2 stops

$652British Airways

Find Deal

Thu, Jan 15 - Thu, Jan 29

12:40 pm - 10:28 pmCGN-ONT

18h 48m2 stops

12:45 pm - 4:20 pmONT-CGN

18h 35m2 stops

$1,294American Airlines

Find Deal

Sat, Dec 13 - Fri, Dec 26

9:10 am - 12:33 pmCGN-ONT

36h 23m2 stops

7:00 am - 5:10 pmONT-CGN

25h 10m2 stops

$1,314United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

9:10 am - 10:31 pmCGN-ONT

22h 21m2 stops

7:00 am - 5:10 pmONT-CGN

25h 10m2 stops

$1,317United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

8:40 am - 10:55 pmCGN-ONT

23h 15m2 stops

11:48 am - 10:25 pmONT-CGN

25h 37m2 stops

$1,380Multiple Airlines

Find Deal

Tue, Nov 11 - Sat, Nov 15

6:45 am - 10:51 pmCGN-ONT

49h 06m3 stops

6:38 pm - 12:10 pmONT-CGN

32h 32m2 stops

$1,467United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

12:40 pm - 10:28 pmCGN-ONT

18h 48m2 stops

2:42 pm - 4:30 pmONT-CGN

16h 48m2 stops

$1,484British Airways

Find Deal

Sat, Dec 13 - Sun, Dec 28

8:40 am - 10:51 pmCGN-ONT

47h 11m3 stops

1:40 pm - 12:10 pmONT-CGN

37h 30m2 stops

$1,492United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

8:40 am - 10:51 pmCGN-ONT

47h 11m3 stops

1:40 pm - 12:10 pmONT-CGN

37h 30m2 stops

$1,494United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

5:05 pm - 6:21 pmCGN-ONT

34h 16m2 stops

10:47 am - 3:40 pmONT-CGN

19h 53m2 stops

$1,904Multiple Airlines

Find Deal

Tue, Nov 11 - Sat, Nov 15

British Airways flights from Cologne to Ontario

Our best British Airways deals on Cologne to Ontario flight tickets

British Airways

Jan 15

CGN5:05 pmCologne Köln/Bonn

33h 17m

2 stops

ONT5:22 pmOntario

Jan 29

ONT3:09 pmOntario

15h 31m

2 stops

CGN3:40 pmCologne Köln/Bonn

$652

Find similar

British Airways

Dec 13

CGN12:40 pmCologne Köln/Bonn

18h 48m

2 stops

ONT10:28 pmOntario

Dec 28

ONT2:42 pmOntario

16h 48m

2 stops

CGN4:30 pmCologne Köln/Bonn

$1,484

Find similar

British Airways

Dec 26

CGN11:20 amCologne Köln/Bonn

21h 26m

2 stops

ONT11:46 pmOntario

Dec 30

ONT2:49 pmOntario

16h 41m

2 stops

CGN4:30 pmCologne Köln/Bonn

$1,514

Find similar

United Airlines flights from Cologne to Ontario

Our best United Airlines deals on Cologne to Ontario flight tickets

United Airlines

Nov 14

CGN9:10 amCologne Köln/Bonn

36h 23m

2 stops

ONT12:33 pmOntario

Nov 18

ONT7:00 amOntario

25h 10m

2 stops

CGN5:10 pmCologne Köln/Bonn

$1,314

Find similar

United Airlines

Nov 14

CGN9:10 amCologne Köln/Bonn

22h 21m

2 stops

ONT10:31 pmOntario

Nov 18

ONT7:00 amOntario

25h 10m

2 stops

CGN5:10 pmCologne Köln/Bonn

$1,317

Find similar

United Airlines

Nov 14

CGN6:45 amCologne Köln/Bonn

49h 06m

3 stops

ONT10:51 pmOntario

Nov 18

ONT6:38 pmOntario

32h 32m

2 stops

CGN12:10 pmCologne Köln/Bonn

$1,467

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Thu 1/15

5:05 pm-5:22 pm

2 stops33h 17m

Ontario

Thu 1/29

3:09 pm-3:40 pm

2 stops15h 31m

$652

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Sat 12/13

12:40 pm-10:28 pm

2 stops18h 48m

Ontario

Fri 12/26

12:45 pm-4:20 pm

2 stops18h 35m

$1,294

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 11/14

9:10 am-12:33 pm

2 stops36h 23m

Ontario

Tue 11/18

7:00 am-5:10 pm

2 stops25h 10m

$1,314

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 11/14

9:10 am-10:31 pm

2 stops22h 21m

Ontario

Tue 11/18

7:00 am-5:10 pm

2 stops25h 10m

$1,317

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Tue 11/11

8:40 am-10:55 pm

2 stops23h 15m

Ontario

Sat 11/15

11:48 am-10:25 pm

2 stops25h 37m

$1,380

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 11/14

6:45 am-10:51 pm

3 stops49h 06m

Ontario

Tue 11/18

6:38 pm-12:10 pm

2 stops32h 32m

$1,467

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Sat 12/13

12:40 pm-10:28 pm

2 stops18h 48m

Ontario

Sun 12/28

2:42 pm-4:30 pm

2 stops16h 48m

$1,484

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 11/14

8:40 am-10:51 pm

3 stops47h 11m

Ontario

Tue 11/18

1:40 pm-12:10 pm

2 stops37h 30m

$1,492

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 11/14

8:40 am-10:51 pm

3 stops47h 11m

Ontario

Tue 11/18

1:40 pm-12:10 pm

2 stops37h 30m

$1,494

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Tue 11/11

5:05 pm-6:21 pm

2 stops34h 16m

Ontario

Sat 11/15

10:47 am-3:40 pm

2 stops19h 53m

$1,904

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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?

American Airlines, British Airways, and United Airlines are the most popular carriers 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

Direct flights	None

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 48m.
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.