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.

$701 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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1:00 pm - 11:06 pm

CGN

ONT

19h 06m2 stops

6:00 am - 12:20 pm

ONT

CGN

21h 20m2 stops

$701United Airlines

Tue, Apr 14 - Thu, Apr 23

4:35 pm - 6:45 pm

CGN

ONT

35h 10m2 stops

3:09 pm - 4:30 pm

ONT

CGN

16h 21m2 stops

$936British Airways

Fri, Jan 16 - Tue, Jan 20

5:05 pm - 5:22 pm

CGN

ONT

33h 17m2 stops

3:09 pm - 3:40 pm

ONT

CGN

15h 31m2 stops

$1,006British Airways

Thu, Jan 22 - Thu, Feb 5

5:05 pm - 11:58 pm

CGN

ONT

39h 53m2 stops

11:59 pm - 4:30 pm

ONT

CGN

31h 31m2 stops

$1,147British Airways

Thu, Feb 26 - Mon, Mar 2

5:10 pm - 10:04 pm

CGN

ONT

37h 54m2 stops

10:59 am - 3:40 pm

ONT

CGN

19h 41m2 stops

$1,180British Airways

Sat, Feb 21 - Sat, Feb 28

5:10 pm - 5:22 pm

CGN

ONT

33h 12m2 stops

3:09 pm - 4:20 pm

ONT

CGN

16h 11m2 stops

$1,269Multiple Airlines

Sat, Jan 17 - Fri, Jan 30

7:40 am - 11:06 pm

CGN

ONT

24h 26m2 stops

9:45 am - 5:05 pm

ONT

CGN

22h 20m2 stops

$1,518United Airlines

Sat, Jun 13 - Thu, Jun 18

5:10 pm - 6:39 pm

CGN

ONT

34h 29m2 stops

3:19 pm - 3:40 pm

ONT

CGN

15h 21m2 stops

$2,299Multiple Airlines

Sat, Feb 21 - Sat, Feb 28

5:15 pm - 6:45 pm

CGN

ONT

34h 30m2 stops

7:10 am - 4:10 pm

ONT

CGN

24h 00m2 stops

$4,609British Airways

Mon, Feb 2 - Mon, Feb 16

5:10 pm - 6:39 pm

CGN

ONT

34h 29m2 stops

3:19 pm - 3:40 pm

ONT

CGN

15h 21m2 stops

$4,810Multiple Airlines

Sat, Feb 21 - Sat, Feb 28

United Airlines flights from Cologne to Ontario

Our best United Airlines deals on Cologne to Ontario flight tickets

United Airlines

Apr 14

CGN1:00 pmCologne Köln/Bonn

19h 06m

2 stops

ONT11:06 pmOntario

Apr 23

ONT6:00 amOntario

21h 20m

2 stops

CGN12:20 pmCologne Köln/Bonn

$701

Find similar

United Airlines

Jun 13

CGN7:40 amCologne Köln/Bonn

24h 26m

2 stops

ONT11:06 pmOntario

Jun 18

ONT9:45 amOntario

22h 20m

2 stops

CGN5:05 pmCologne Köln/Bonn

$1,518

Find similar

British Airways flights from Cologne to Ontario

Our best British Airways deals on Cologne to Ontario flight tickets

British Airways

Jan 16

CGN4:35 pmCologne Köln/Bonn

35h 10m

2 stops

ONT6:45 pmOntario

Jan 20

ONT3:09 pmOntario

16h 21m

2 stops

CGN4:30 pmCologne Köln/Bonn

$936

Find similar

British Airways

Jan 22

CGN5:05 pmCologne Köln/Bonn

33h 17m

2 stops

ONT5:22 pmOntario

Feb 5

ONT3:09 pmOntario

15h 31m

2 stops

CGN3:40 pmCologne Köln/Bonn

$1,006

Find similar

British Airways

Feb 26

CGN5:05 pmCologne Köln/Bonn

39h 53m

2 stops

ONT11:58 pmOntario

Mar 2

ONT11:59 pmOntario

31h 31m

2 stops

CGN4:30 pmCologne Köln/Bonn

$1,147

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Tue 4/14

1:00 pm-11:06 pm

2 stops19h 06m

Ontario

Thu 4/23

6:00 am-12:20 pm

2 stops21h 20m

$701

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 1/16

4:35 pm-6:45 pm

2 stops35h 10m

Ontario

Tue 1/20

3:09 pm-4:30 pm

2 stops16h 21m

$936

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Thu 1/22

5:05 pm-5:22 pm

2 stops33h 17m

Ontario

Thu 2/5

3:09 pm-3:40 pm

2 stops15h 31m

$1,006

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Thu 2/26

5:05 pm-11:58 pm

2 stops39h 53m

Ontario

Mon 3/2

11:59 pm-4:30 pm

2 stops31h 31m

$1,147

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Sat 2/21

5:10 pm-10:04 pm

2 stops37h 54m

Ontario

Sat 2/28

10:59 am-3:40 pm

2 stops19h 41m

$1,180

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Sat 1/17

5:10 pm-5:22 pm

2 stops33h 12m

Ontario

Fri 1/30

3:09 pm-4:20 pm

2 stops16h 11m

$1,269

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Sat 6/13

7:40 am-11:06 pm

2 stops24h 26m

Ontario

Thu 6/18

9:45 am-5:05 pm

2 stops22h 20m

$1,518

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Sat 2/21

5:10 pm-6:39 pm

2 stops34h 29m

Ontario

Sat 2/28

3:19 pm-3:40 pm

2 stops15h 21m

$2,299

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Mon 2/2

5:15 pm-6:45 pm

2 stops34h 30m

Ontario

Mon 2/16

7:10 am-4:10 pm

2 stops24h 00m

$4,609

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Sat 2/21

5:10 pm-6:39 pm

2 stops34h 29m

Ontario

Sat 2/28

3:19 pm-3:40 pm

2 stops15h 21m

$4,810

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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 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	24h 26m
Direct flights	None

The fastest flight from Cologne to Ontario takes 24h 26m

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

Search flight deals

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 24h 26m.
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.