Which airports can I use when flying from Cologne to Ontario?

Flights from Cologne to Ontario usually depart from Cologne Köln/Bonn (CGN) and arrive at Ontario (ONT).

Do I need a passport to fly from Cologne to Ontario?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Cologne to Ontario changed much recently?

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about 711 € to 5.103 €. That means the highest observed fare was about 7x higher than the lowest one.

What is the time difference between Cologne and Ontario?

Ontario is 9 hours behind Cologne (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car hire companies, with daily rates starting from around 15 € for economy cars. Top options include: · Fox · Thrifty · Europcar · Dollar · Alamo

455€ CHEAP FLIGHTS from Cologne to Ontario (CGN - ONT)

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Cheap Flights from Cologne to Ontario (CGN-ONT)

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Recent return flight deals from Cologne to Ontario

Mon, 26. Oct - Tue, 10. Nov

13:10 - 12:33CGN Cologne Köln/Bonn-ONT Ontario

31h 23m2 stops Munich Franz Josef Strauss Denver Intl

13:29 - 16:55ONT Ontario-CGN Cologne Köln/Bonn

18h 26m2 stops Denver Intl Munich Franz Josef Strauss

711 €Lufthansa

Wed, 21. Oct - Thu, 12. Nov

18:45 - 22:43CGN Cologne Köln/Bonn-ONT Ontario

36h 58m2 stops London Gatwick Seattle/Tacoma Intl

11:57 - 22:10ONT Ontario-CGN Cologne Köln/Bonn

25h 13m2 stops Seattle/Tacoma Intl London Heathrow

732 €Multiple Airlines

Mon, 21. Sep - Sun, 4. Oct

13:05 - 12:50CGN Cologne Köln/Bonn-ONT Ontario

56h 45m2 stops Munich Franz Josef Strauss Denver Intl

5:00 - 12:25ONT Ontario-CGN Cologne Köln/Bonn

46h 25m2 stops Denver Intl Munich Franz Josef Strauss

742 €Lufthansa

Thu, 22. Oct - Thu, 29. Oct

8:30 - 21:59CGN Cologne Köln/Bonn-ONT Ontario

22h 29m2 stops Munich Franz Josef Strauss Houston George Bush Intcntl

9:25 - 12:25ONT Ontario-CGN Cologne Köln/Bonn

19h 00m2 stops San Francisco Munich Franz Josef Strauss

742 €Multiple Airlines

Mon, 8. Feb - Sat, 6. Mar

9:20 - 18:44CGN Cologne Köln/Bonn-ONT Ontario

18h 24m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

11:20 - 16:55ONT Ontario-CGN Cologne Köln/Bonn

20h 35m2 stops San Francisco Munich Franz Josef Strauss

792 €United Airlines

Wed, 21. Oct - Thu, 12. Nov

18:45 - 22:43CGN Cologne Köln/Bonn-ONT Ontario

36h 58m2 stops London Gatwick Seattle/Tacoma Intl

11:57 - 8:35ONT Ontario-CGN Cologne Köln/Bonn

35h 38m3 stops Seattle/Tacoma Intl London Heathrow Munich Franz Josef Strauss

880 €Multiple Airlines

Thu, 24. Sep - Wed, 7. Oct

6:20 - 22:59CGN Cologne Köln/Bonn-ONT Ontario

25h 39m2 stops Zurich San Francisco

5:00 - 12:25ONT Ontario-CGN Cologne Köln/Bonn

46h 25m2 stops Denver Intl Munich Franz Josef Strauss

881 €Lufthansa

Fri, 16. Oct - Fri, 23. Oct

13:05 - 22:51CGN Cologne Köln/Bonn-ONT Ontario

18h 46m2 stops Munich Franz Josef Strauss San Francisco

5:00 - 17:40ONT Ontario-CGN Cologne Köln/Bonn

27h 40m2 stops Denver Intl Munich Franz Josef Strauss

896 €Lufthansa

Sun, 11. Oct - Sun, 25. Oct

8:30 - 20:58CGN Cologne Köln/Bonn-ONT Ontario

21h 28m2 stops Munich Franz Josef Strauss Denver Intl

9:25 - 12:25ONT Ontario-CGN Cologne Köln/Bonn

19h 00m2 stops San Francisco Munich Franz Josef Strauss

906 €United Airlines

Mon, 1. Mar - Thu, 25. Mar

9:20 - 17:47CGN Cologne Köln/Bonn-ONT Ontario

17h 27m2 stops Munich Franz Josef Strauss San Francisco

11:20 - 16:55ONT Ontario-CGN Cologne Köln/Bonn

21h 35m2 stops San Francisco Munich Franz Josef Strauss

920 €United Airlines

Booking Insights

Price, demand, and travel trends for Cologne to Ontario flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Cologne to Ontario with more confidence.

What is the cheapest airline to fly from Cologne to Ontario?

Lufthansa (711 €) and United Airlines (792 €) are the cheapest airlines to fly return from Cologne to Ontario according to KAYAK data over the last 5 days.

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Cheapest flight	455 €

Flights from Cologne to Ontario

When to book flights from Cologne to Ontario

Are your dates flexible? Find out the best times to travel from Cologne to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Cologne to Ontario?
Flights from Cologne to Ontario usually depart from Cologne Köln/Bonn (CGN) and arrive at Ontario (ONT).
Do I need a passport to fly from Cologne to Ontario?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Cologne to Ontario changed much recently?
Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about 711 € to 5.103 €. That means the highest observed fare was about 7x higher than the lowest one.
What is the time difference between Cologne and Ontario?
Ontario is 9 hours behind Cologne (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.
Which car hire options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car hire companies, with daily rates starting from around 15 € for economy cars. Top options include:
· Fox
· Thrifty
· Europcar
· Dollar
· Alamo

If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.
- Azure Hotel & Suites, Trademark Collection by Wyndham
- La Quinta Inn & Suites by Wyndham Ontario Airport
- Holiday Inn Ontario Airport By IHG

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CGN - ONT

455€ Find Cheap Flights from Cologne to Ontario – Compare and Save

Cheap Flights from Cologne to Ontario (CGN-ONT)

Recent return flight deals from Cologne to Ontario

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Price, demand, and travel trends for Cologne to Ontario flights

What is the cheapest airline to fly from Cologne to Ontario?

Key details for Cologne to Ontario flights

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When to book flights from Cologne to Ontario

Your Cologne to Ontario flight questions, answered

Your guide to booking Cologne to Ontario flights

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