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).

What popular places can I visit in Ontario?

Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

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, round-trip prices on this route showed a wide range, from about $747 to $1,585. That means the highest observed fare was about 2x 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.

What car rental options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include: • Fox • Thrifty • Europcar • Dollar • Alamo

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

United Airlines ($747) and Lufthansa ($812) are the cheapest airlines to fly round-trip from Cologne to Ontario according to KAYAK data over the last 5 days.

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Flight Deals

Cheap Flights from Cologne to Ontario (CGN-ONT)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Cologne to Ontario

Mon, Jan 11 - Mon, Jan 25

9:20 am - 5:35 pmCGN Cologne Köln/Bonn-ONT Ontario

17h 15m2 stops Munich Franz Josef Strauss San Francisco

7:25 am - 4:55 pmONT Ontario-CGN Cologne Köln/Bonn

24h 30m2 stops San Francisco Munich Franz Josef Strauss

$747United Airlines

Mon, Jan 11 - Mon, Jan 25

9:20 am - 5:35 pmCGN Cologne Köln/Bonn-ONT Ontario

17h 15m2 stops Munich Franz Josef Strauss San Francisco

7:25 am - 4:55 pmONT Ontario-CGN Cologne Köln/Bonn

24h 30m2 stops San Francisco Munich Franz Josef Strauss

$748United Airlines

Fri, Jan 29 - Fri, Feb 19

9:20 am - 9:57 amCGN Cologne Köln/Bonn-ONT Ontario

33h 37m2 stops Munich Franz Josef Strauss San Francisco

1:00 pm - 4:55 pmONT Ontario-CGN Cologne Köln/Bonn

18h 55m2 stops Denver Intl Munich Franz Josef Strauss

$812Lufthansa

Mon, Nov 2 - Mon, Nov 16

9:20 am - 12:29 pmCGN Cologne Köln/Bonn-ONT Ontario

36h 09m2 stops Munich Franz Josef Strauss San Francisco

5:00 am - 4:55 pmONT Ontario-CGN Cologne Köln/Bonn

26h 55m2 stops Denver Intl Munich Franz Josef Strauss

$825Lufthansa

Thu, Mar 18 - Sun, Apr 11

1:35 pm - 12:42 pmCGN Cologne Köln/Bonn-ONT Ontario

31h 07m2 stops Munich Franz Josef Strauss Denver Intl

8:00 am - 12:25 pmONT Ontario-CGN Cologne Köln/Bonn

19h 25m2 stops San Francisco Munich Franz Josef Strauss

$833United Airlines

Thu, Nov 26 - Wed, Dec 9

9:00 pm - 6:52 pmCGN Cologne Köln/Bonn-ONT Ontario

30h 52m2 stops London Heathrow Dallas/Fort Worth

2:22 pm - 7:30 pmONT Ontario-CGN Cologne Köln/Bonn

20h 08m2 stops Dallas/Fort Worth London Heathrow

$881British Airways

Sat, Dec 5 - Sun, Dec 13

5:35 pm - 6:44 pmCGN Cologne Köln/Bonn-ONT Ontario

34h 09m2 stops London Heathrow Dallas/Fort Worth

2:22 pm - 7:35 pmONT Ontario-CGN Cologne Köln/Bonn

20h 13m2 stops Dallas/Fort Worth London Heathrow

$893British Airways

Mon, Dec 14 - Wed, Dec 23

9:20 am - 5:36 pmCGN Cologne Köln/Bonn-ONT Ontario

17h 16m2 stops Munich Franz Josef Strauss San Francisco

5:55 am - 12:50 pmONT Ontario-CGN Cologne Köln/Bonn

21h 55m2 stops Houston George Bush Intcntl Munich Franz Josef Strauss

$1,059United Airlines

Mon, Dec 14 - Wed, Dec 23

9:20 am - 5:36 pmCGN Cologne Köln/Bonn-ONT Ontario

17h 16m2 stops Munich Franz Josef Strauss San Francisco

5:55 am - 12:50 pmONT Ontario-CGN Cologne Köln/Bonn

21h 55m2 stops Houston George Bush Intcntl Munich Franz Josef Strauss

$1,063United Airlines

Mon, Dec 14 - Wed, Dec 23

9:20 am - 5:36 pmCGN Cologne Köln/Bonn-ONT Ontario

17h 16m2 stops Munich Franz Josef Strauss San Francisco

5:55 am - 12:50 pmONT Ontario-CGN Cologne Köln/Bonn

21h 55m2 stops Houston George Bush Intcntl Munich Franz Josef Strauss

$1,065United 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 with more confidence.

Which airline is the cheapest to fly from Cologne to Ontario?: United Airlines ($747) and Lufthansa ($812) are the cheapest airlines to fly round-trip from Cologne to Ontario according to KAYAK data over the last 5 days.

Find deals

Cheapest flight	$747

Round-trip flight 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 round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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.

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, round-trip prices on this route showed a wide range, from about $747 to $1,585. That means the highest observed fare was about 2x higher than the lowest one.
What car rental options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

• Fox
• Thrifty
• Europcar
• Dollar
• Alamo
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).
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.
What popular places can I visit in Ontario?
Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

• Ontario Airport Inn
• Azure Hotel & Suites, Trademark Collection by Wyndham
• La Quinta Inn & Suites by Wyndham Ontario Airport

More options for your flight from Cologne to Ontario

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CGN - ONT

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Everything you should know

Cheap Flights from Cologne to Ontario (CGN-ONT)

Recent round-trip flight deals from Cologne to Ontario

Recent one-way flight deals from Cologne to Ontario

Recent last minute flight deals from Cologne to Ontario

Price, demand and travel trends for Cologne to Ontario flights

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

Key details for Cologne to Ontario flights

Cheapest flight

When to book flights from Cologne to Ontario

Your Cologne to Ontario flight questions, answered

Your guide to booking Cologne to Ontario flights

More options for your flight from Cologne to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Cologne to Ontario

Find direct flights to and from Cologne and Ontario

Flights from domestic origins to Ontario

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