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.

$575 Cheap Flights from Cologne to Ontario in 2025

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Cologne to Los Angeles

Round-trip

One-way

Cheap round-trip flights

4:35 pm - 6:21 pmCGN-ONT

34h 46m2 stops

12:46 pm - 4:10 pmONT-CGN

42h 24m2 stops

$575British Airways

Find Deal

Fri, Nov 14 - Tue, Nov 18

9:15 pm - 10:48 pmCGN-ONT

34h 33m2 stops

12:47 pm - 9:25 pmONT-CGN

23h 38m2 stops

$577British Airways

Find Deal

Tue, Aug 19 - Tue, Aug 26

4:35 pm - 6:21 pmCGN-ONT

34h 46m2 stops

3:08 pm - 4:10 pmONT-CGN

40h 02m2 stops

$578British Airways

Find Deal

Fri, Nov 14 - Tue, Nov 18

10:00 pm - 6:54 pmCGN-ONT

29h 54m2 stops

11:59 pm - 8:50 pmONT-CGN

35h 51m2 stops

$606British Airways

Find Deal

Fri, Oct 3 - Fri, Oct 10

9:15 pm - 5:52 pmCGN-ONT

29h 37m2 stops

6:10 am - 8:25 pmONT-CGN

29h 15m2 stops

$609British Airways

Find Deal

Mon, Sep 1 - Sun, Sep 14

10:15 am - 10:33 pmCGN-ONT

21h 18m2 stops

2:54 pm - 9:00 pmONT-CGN

21h 06m2 stops

$610British Airways

Find Deal

Thu, Sep 4 - Wed, Sep 17

9:15 pm - 6:16 pmCGN-ONT

30h 01m2 stops

4:45 pm - 9:10 pmONT-CGN

19h 25m2 stops

$632British Airways

Find Deal

Mon, Sep 8 - Thu, Sep 25

8:35 am - 5:29 pmCGN-ONT

17h 54m2 stops

6:50 pm - 7:20 pmONT-CGN

15h 30m2 stops

$745United Airlines

Find Deal

Thu, Sep 4 - Thu, Sep 11

6:50 am - 8:33 pmCGN-ONT

22h 43m2 stops

6:04 am - 11:10 amONT-CGN

20h 06m2 stops

$804United Airlines

Find Deal

Tue, Aug 19 - Tue, Aug 26

8:35 am - 8:33 pmCGN-ONT

20h 58m2 stops

1:42 pm - 5:05 pmONT-CGN

18h 23m2 stops

$930United Airlines

Find Deal

Wed, Aug 20 - Wed, Aug 27

British Airways flights from Cologne to Ontario

Our best British Airways deals on Cologne to Ontario flight tickets

British Airways

Nov 14

CGN4:35 pmCologne Köln/Bonn

34h 46m

2 stops

ONT6:21 pmOntario

Nov 18

ONT12:46 pmOntario

42h 24m

2 stops

CGN4:10 pmCologne Köln/Bonn

$575

Find similar

British Airways

Aug 19

CGN9:15 pmCologne Köln/Bonn

34h 33m

2 stops

ONT10:48 pmOntario

Aug 26

ONT12:47 pmOntario

23h 38m

2 stops

CGN9:25 pmCologne Köln/Bonn

$577

Find similar

British Airways

Nov 14

CGN4:35 pmCologne Köln/Bonn

34h 46m

2 stops

ONT6:21 pmOntario

Nov 18

ONT3:08 pmOntario

40h 02m

2 stops

CGN4:10 pmCologne Köln/Bonn

$578

Find similar

United Airlines flights from Cologne to Ontario

Our best United Airlines deals on Cologne to Ontario flight tickets

United Airlines

Sep 4

CGN8:35 amCologne Köln/Bonn

17h 54m

2 stops

ONT5:29 pmOntario

Sep 11

ONT6:50 pmOntario

15h 30m

2 stops

CGN7:20 pmCologne Köln/Bonn

$745

Find similar

United Airlines

Aug 19

CGN6:50 amCologne Köln/Bonn

22h 43m

2 stops

ONT8:33 pmOntario

Aug 26

ONT6:04 amOntario

20h 06m

2 stops

CGN11:10 amCologne Köln/Bonn

$804

Find similar

United Airlines

Aug 20

CGN8:35 amCologne Köln/Bonn

20h 58m

2 stops

ONT8:33 pmOntario

Aug 27

ONT1:42 pmOntario

18h 23m

2 stops

CGN5:05 pmCologne Köln/Bonn

$930

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 11/14

4:35 pm-6:21 pm

2 stops34h 46m

Ontario

Tue 11/18

12:46 pm-4:10 pm

2 stops42h 24m

$575

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Tue 8/19

9:15 pm-10:48 pm

2 stops34h 33m

Ontario

Tue 8/26

12:47 pm-9:25 pm

2 stops23h 38m

$577

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 11/14

4:35 pm-6:21 pm

2 stops34h 46m

Ontario

Tue 11/18

3:08 pm-4:10 pm

2 stops40h 02m

$578

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Fri 10/3

10:00 pm-6:54 pm

2 stops29h 54m

Ontario

Fri 10/10

11:59 pm-8:50 pm

2 stops35h 51m

$606

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Mon 9/1

9:15 pm-5:52 pm

2 stops29h 37m

Ontario

Sun 9/14

6:10 am-8:25 pm

2 stops29h 15m

$609

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Thu 9/4

10:15 am-10:33 pm

2 stops21h 18m

Ontario

Wed 9/17

2:54 pm-9:00 pm

2 stops21h 06m

$610

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Mon 9/8

9:15 pm-6:16 pm

2 stops30h 01m

Ontario

Thu 9/25

4:45 pm-9:10 pm

2 stops19h 25m

$632

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Thu 9/4

8:35 am-5:29 pm

2 stops17h 54m

Ontario

Thu 9/11

6:50 pm-7:20 pm

2 stops15h 30m

$745

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Tue 8/19

6:50 am-8:33 pm

2 stops22h 43m

Ontario

Tue 8/26

6:04 am-11:10 am

2 stops20h 06m

$804

CologneOntario

CGN - ONT

CGNONT

Cologne Köln/Bonn

Wed 8/20

8:35 am-8:33 pm

2 stops20h 58m

Ontario

Wed 8/27

1:42 pm-5:05 pm

2 stops18h 23m

$930

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?

British Airways 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 39% 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

Best Price Found	$859
Fastest flight time	17h 54m
Direct flights	None
Airports in Ontario	1 airport

The best one-way flight to Ontario from Cologne in the past 72 hours is $859. The best round-trip flight deal from Cologne to Ontario found on momondo in the last 72 hours is $575.

The fastest flight from Cologne to Ontario takes 17h 54m

There are no direct flights from Cologne to Ontario. Popular non-direct route for this connection is Cologne Köln/Bonn Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

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 17h 54m.
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.