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Heidelberg

$479+ Cheap flights from Ontario (ONT) to Heidelberg, Germany

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FRA
jun. 21 — jun. 281
sáb. 6/21
sáb. 6/28
1 adult, Economy
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Cheap flight deals from Ontario to Heidelberg

Keep the following information in mind while searching for Ontario to Heidelberg flight deals. Data was last updated junio 16, 2025.

Round-trip from

$643
(Flightnetwork)

One-way from

$479
(United Airlines)

Popular in

May

Cheapest in

August

Average price

$1,030
From Ontario to Heidelberg
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One-way flight from Ontario to Heidelberg
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Highest demand for flights based on searches. 16% potential increase in price ($180 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Heidelberg

Cheapest flights from Ontario to Heidelberg
Explore the most affordable flight options available from Ontario to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 16, 2025.

This Flightnetwork deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/118:46 amONT - FRA
1 stop13h 29mBritish Airways
mar. 11/2510:15 amFRA - ONT
1 stop16h 34mBritish Airways
Deal found 6/14$643
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/410:05 pmONT - FRA
1 stop25h 50mDelta
mié. 8/2010:40 amFRA - ONT
1 stop17h 31mDelta
Deal found 6/13$647
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/227:00 amONT - FRA
2 stops39h 25mUnited Airlines
lun. 12/89:45 amFRA - ONT
2 stops45h 41mUnited Airlines
Deal found 6/14$663
This KLM deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/157:00 amONT - FRA
1 stop16h 55mKLM
mié. 10/2210:40 amFRA - ONT
1 stop21h 01mKLM
Deal found 6/14$676
This Billigflug deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/137:00 amONT - FRA
1 stop16h 40mAir France
jue. 11/279:50 amFRA - ONT
1 stop18h 52mAir France
Deal found 6/16$677
This Iberia deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/132:54 pmONT - FRA
1 stop32h 51mIberia
mar. 10/710:45 amFRA - ONT
1 stop22h 17mIberia
Deal found 6/15$692
This Air Canada deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/145:10 amONT - FRA
2 stops16h 20mAir Canada
vie. 1/910:05 amFRA - ONT
2 stops19h 12mAir Canada
Deal found 6/16$699
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/48:15 amONT - FRA
1 stop15h 30mAmerican Airlines
mié. 8/2010:55 amFRA - ONT
1 stop16h 29mAmerican Airlines
Deal found 6/14$713
This Iberia deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/168:44 amONT - FRA
1 stop15h 01mMultiple Airlines
lun. 10/2010:35 amFRA - ONT
2 stops22h 27mMultiple Airlines
Deal found 6/16$771
This oojo deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/276:00 amONT - FRA
1 stop21h 20mCondor
dom. 10/121:45 pmFRA - ONT
1 stop19h 14mCondor
Deal found 6/16$978

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Heidelberg that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 16, 2025.
Use the filters below to find and compare flights from Ontario to Heidelberg that are best for you.

Fly from

Ontario

Fly to

Heidelberg

Route

Depart

Return

Price

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

mar. 11/11

8:46 am-7:15 am

1 stop13h 29m

Frankfurt am Main

mar. 11/25

10:15 am-5:49 pm

1 stop16h 34m

$643

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

lun. 8/4

10:05 pm-8:55 am

1 stop25h 50m

Frankfurt am Main

mié. 8/20

10:40 am-7:11 pm

1 stop17h 31m

$647

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

sáb. 11/22

7:00 am-7:25 am

2 stops39h 25m

Frankfurt am Main

lun. 12/8

9:45 am-10:26 pm

2 stops45h 41m

$663

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

mié. 10/15

7:00 am-8:55 am

1 stop16h 55m

Frankfurt am Main

mié. 10/22

10:40 am-10:41 pm

1 stop21h 01m

$676

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

jue. 11/13

7:00 am-8:40 am

1 stop16h 40m

Frankfurt am Main

jue. 11/27

9:50 am-7:42 pm

1 stop18h 52m

$677

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

sáb. 9/13

2:54 pm-8:45 am

1 stop32h 51m

Frankfurt am Main

mar. 10/7

10:45 am-12:02 am

1 stop22h 17m

$692

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

lun. 8/4

8:15 am-8:45 am

1 stop15h 30m

Frankfurt am Main

mié. 8/20

10:55 am-6:24 pm

1 stop16h 29m

$713

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

jue. 10/16

8:44 am-8:45 am

1 stop15h 01m

Frankfurt am Main

lun. 10/20

10:35 am-12:02 am

2 stops22h 27m

$771

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

sáb. 9/27

6:00 am-12:20 pm

1 stop21h 20m

Frankfurt am Main

dom. 10/12

1:45 pm-11:59 pm

1 stop19h 14m

$978

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

mié. 7/16

1:34 pm-11:30 am

1 stop12h 56m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 19 results
1
2

Best time to book a flight from Ontario to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Heidelberg

What is the cheapest month to book a flight from Ontario to Heidelberg?

Currently, January is the cheapest month in which you can book a flight from Ontario to Heidelberg (average of $729). Flying from Ontario to Heidelberg in June is currently the most expensive (average of $1,088). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to HE1?

Find hourly flight availability from Ontario to Heidelberg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 16, 2025.

When flying from Ontario to Heidelberg, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Heidelberg by month

Plan your trip to Heidelberg by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Heidelberg ranges from 1.6 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Heidelberg when rainfall is around 1.6 in.

Temperature in Heidelberg by month

Plan your trip to Heidelberg by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Heidelberg, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Heidelberg

Get insights into the airlines that provide service to Heidelberg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heidelberg. Reviews last updated junio 16, 2025.
See what other customers who have flown with China Airlines, Delta and KLM from Ontario to Heidelberg have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very good
740 reviews

Crew

8.5

Entertainment

8.0

Overall

8.3

Boarding

8.3

Food

7.8

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very good
740 reviews
China Airlines
8.3
Very good
740 reviews

Crew

8.5

Entertainment

8.0

Overall

8.3

Boarding

8.3

Food

7.8

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Delta
8.0
Very good
7,963 reviews
China Airlines
8.3
Very good
740 reviews

Crew

8.5

Entertainment

8.0

Overall

8.3

Boarding

8.3

Food

7.8

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
KLM
7.8
Good
1,363 reviews
China Airlines
8.3
Very good
740 reviews

Crew

8.5

Entertainment

8.0

Overall

8.3

Boarding

8.3

Food

7.8

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Air France
7.5
Good
1,466 reviews
China Airlines
8.3
Very good
740 reviews

Crew

8.5

Entertainment

8.0

Overall

8.3

Boarding

8.3

Food

7.8

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
United Airlines
7.4
Good
8,801 reviews
China Airlines
8.3
Very good
740 reviews

Crew

8.5

Entertainment

8.0

Overall

8.3

Boarding

8.3

Food

7.8

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Related info for your journey

Find useful and relevant information for your journey from Ontario to Heidelberg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Heidelberg?

    Most people fly from Ontario (ONT) if they book a flight from Ontario to Heidelberg. On average, Ontario has 0 outbound flights to Heidelberg per day from 2 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • What are the cheapest airlines to fly from Ontario to Heidelberg one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $479. However, be on the lookout for offers from Iberia and British Airways, as they are both options that can get you from Ontario to Heidelberg for a low price.

  • Can I find deals for flights from Ontario to Heidelberg that include hotel bookings?

    Yes. In addition to deals on Ontario to Heidelberg flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Heidelberg?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Heidelberg.

  • Can I find deals for business class flights from Ontario to Heidelberg?

    Yes. Cheapflights offers flight deals from Ontario to Heidelberg by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Heidelberg?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Heidelberg (average of $729). Flying from Ontario to Heidelberg in June is currently the most expensive (average of $1,088). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Ontario to Heidelberg

Discover the top 2 airlines that operate flights from Ontario to Heidelberg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$745Average$953FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$751Average$831FlexibilityNo cancel feeOn-time70%

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