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Heidelberg

$447+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FRA
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$674
(Iberia)

One-way from

$447
(Mytrip)

Popular in

July

Cheapest in

September

Average price

$1,087
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. 7% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:46 amONT - FRA
1 stop13h 29mBritish Airways
Thu 11/2010:15 amFRA - ONT
1 stop16h 34mBritish Airways
Deal found 4/30$662
This Iberia deal was found by Cheapflights users on 4/30. 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.
Mon 8/118:37 amONT - FRA
1 stop15h 08mIberia
Mon 8/2510:45 amFRA - ONT
1 stop21h 44mIberia
Deal found 4/30$674
This Billigflug deal was found by Cheapflights users on 5/1. 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.
Tue 10/285:40 amONT - FRA
1 stop19h 40mAir Canada
Tue 11/1111:10 amFRA - ONT
1 stop18h 07mAir Canada
Deal found 5/1$678
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 8/81:34 pmONT - FRA
1 stop12h 56mUnited Airlines
Fri 8/2211:20 amFRA - ONT
1 stop15h 09mUnited Airlines
Deal found 4/30$714
This AirNGo deal was found by Cheapflights users on 5/1. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/27:05 amONT - FRA
1 stop16h 50mKLM
Sat 8/1610:40 amFRA - ONT
1 stop17h 49mKLM
Deal found 5/1$716
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Thu 5/87:30 amONT - FRA
1 stop16h 15mAmerican Airlines
Wed 5/2110:55 amFRA - ONT
1 stop16h 41mAmerican Airlines
Deal found 5/1$734
This Delta deal was found by Cheapflights users on 4/30. 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.
Wed 5/77:05 amONT - FRA
1 stop16h 50mDelta
Mon 5/1910:40 amFRA - ONT
1 stop20h 49mDelta
Deal found 4/30$744
This Billigflug deal was found by Cheapflights users on 4/30. 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.
Thu 10/3012:00 pmONT - FRA
1 stop36h 40mAir France
Thu 11/139:50 amFRA - ONT
1 stop18h 52mAir France
Deal found 4/30$746
This Iberia deal was found by Cheapflights users on 4/29. 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.
Sat 8/238:37 amONT - FRA
1 stop15h 08mMultiple Airlines
Sun 9/76:40 amFRA - ONT
2 stops24h 16mMultiple Airlines
Deal found 4/29$787

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 May 1, 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

Mon 8/11

8:37 am-8:45 am

1 stop15h 08m

Frankfurt am Main

Mon 8/25

10:45 am-11:29 pm

1 stop21h 44m

$674

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 10/28

5:40 am-9:20 am

1 stop19h 40m

Frankfurt am Main

Tue 11/11

11:10 am-8:17 pm

1 stop18h 07m

$678

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sun 5/11

7:30 am-8:45 am

1 stop16h 15m

Frankfurt am Main

Sun 5/25

10:55 am-6:36 pm

1 stop16h 41m

$687

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Fri 8/8

1:34 pm-11:30 am

1 stop12h 56m

Frankfurt am Main

Fri 8/22

11:20 am-5:29 pm

1 stop15h 09m

$714

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sat 8/2

7:05 am-8:55 am

1 stop16h 50m

Frankfurt am Main

Sat 8/16

10:40 am-7:29 pm

1 stop17h 49m

$716

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Thu 8/7

7:05 am-8:55 am

1 stop16h 50m

Frankfurt am Main

Fri 8/22

10:40 am-7:29 pm

1 stop17h 49m

$754

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Mon 5/19

7:30 am-8:45 am

1 stop16h 15m

Frankfurt am Main

Mon 6/2

10:55 am-6:36 pm

1 stop16h 41m

$773

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Sat 8/23

8:37 am-8:45 am

1 stop15h 08m

Frankfurt am Main

Sun 9/7

6:40 am-9:56 pm

2 stops24h 16m

$787

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Tue 8/19

8:15 am-8:45 am

1 stop15h 30m

$447

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Wed 8/20

10:29 pm-7:20 am

1 stop23h 51m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 $1,086). 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 May 1, 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 May 1, 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
732 reviews

Crew

8.5

Overall

8.3

Food

7.8

Boarding

8.3

Entertainment

8.0

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
732 reviews
China Airlines
8.3
Very good
732 reviews

Crew

8.5

Overall

8.3

Food

7.8

Boarding

8.3

Entertainment

8.0

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
7,934 reviews
China Airlines
8.3
Very good
732 reviews

Crew

8.5

Overall

8.3

Food

7.8

Boarding

8.3

Entertainment

8.0

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
1,334 reviews
China Airlines
8.3
Very good
732 reviews

Crew

8.5

Overall

8.3

Food

7.8

Boarding

8.3

Entertainment

8.0

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
7.4
Good
1,448 reviews
China Airlines
8.3
Very good
732 reviews

Crew

8.5

Overall

8.3

Food

7.8

Boarding

8.3

Entertainment

8.0

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
8,696 reviews
China Airlines
8.3
Very good
732 reviews

Crew

8.5

Overall

8.3

Food

7.8

Boarding

8.3

Entertainment

8.0

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 British Airways, with whom users have recently found tickets for as low as $447. However, be on the lookout for offers from American Airlines and Iberia, 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 $1,086). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$751Average$930FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$751Average$830FlexibilityNo cancel feeOn-time70%

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