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Heidelberg

$243+ Cheap flights from San Diego (SAN) 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — FRA
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Heidelberg are usually found in February or November, booked 43 days in advance, depart on a Wednesday or Saturday and return on a Sunday

Cheap flight deals from San Diego to Heidelberg

Keep the following information in mind while searching for San Diego to Heidelberg flight deals. Data was last updated octubre 30, 2025.

Round-trip from

$639
(Finnair)

One-way from

$243
(Thrive Travel)

Popular in

June

Cheapest in

February

Average price

$770
From San Diego to Heidelberg
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One-way flight from San Diego to Heidelberg
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Highest demand for flights based on searches. 20% potential increase in price ($208 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from San Diego to Heidelberg

Cheapest flights from San Diego to Heidelberg
Explore the most affordable flight options available from San Diego to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Finnair deal was found by Cheapflights users on 10/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/287:14 amSAN - FRA
1 stop15h 01mMultiple Airlines
mar. 1/610:50 amFRA - SAN
1 stop18h 46mMultiple Airlines
Deal found 10/28$638
This Finnair deal was found by Cheapflights users on 10/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/166:46 amSAN - FRA
1 stop17h 04mMultiple Airlines
vie. 2/1310:15 amFRA - SAN
1 stop19h 12mMultiple Airlines
Deal found 10/30$639
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/296:45 amSAN - FRA
1 stop17h 35mUnited Airlines
sáb. 12/135:10 pmFRA - SAN
2 stops30h 54mUnited Airlines
Deal found 10/29$640
This AirNGo deal was found by Cheapflights users on 10/29. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/1412:40 pmSAN - FRA
1 stop13h 30mAir Canada
dom. 1/189:45 amFRA - SAN
2 stops21h 52mAir Canada
Deal found 10/29$641
This Finnair deal was found by Cheapflights users on 10/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2310:01 pmSAN - FRA
1 stop25h 49mMultiple Airlines
mar. 1/67:20 pmFRA - SAN
2 stops32h 52mMultiple Airlines
Deal found 10/28$642
This United Airlines deal was found by Cheapflights users on 10/30. 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.
mar. 12/166:30 amSAN - FRA
2 stops15h 55mUnited Airlines
vie. 2/1310:05 amFRA - SAN
2 stops35h 52mUnited Airlines
Deal found 10/30$647
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/302:24 pmSAN - FRA
1 stop32h 51mAmerican Airlines
lun. 11/310:50 amFRA - SAN
1 stop17h 53mAmerican Airlines
Deal found 10/30$648
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1512:40 pmSAN - FRA
1 stop13h 30mAir Canada
sáb. 2/145:10 pmFRA - SAN
2 stops31h 29mAir Canada
Deal found 10/30$649
This United Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 12/158:01 amSAN - FRA
2 stops18h 04mUnited Airlines
vie. 2/1310:15 amFRA - SAN
1 stop14h 30mUnited Airlines
Deal found 10/30$650
This United Airlines deal was found by Cheapflights users on 10/30. 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.
mar. 12/166:30 amSAN - FRA
2 stops15h 55mUnited Airlines
mar. 2/1012:15 pmFRA - SAN
1 stop36h 30mUnited Airlines
Deal found 10/30$653

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 octubre 30, 2025.
Use the filters below to find and compare flights from San Diego to Heidelberg that are best for you.

Fly from

San Diego

Fly to

Heidelberg

Route

Depart

Return

Price

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

mar. 12/16

6:46 am-8:50 am

1 stop17h 04m

Frankfurt am Main

vie. 2/13

10:15 am-8:27 pm

1 stop19h 12m

$639

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

mar. 12/23

10:01 pm-8:50 am

1 stop25h 49m

Frankfurt am Main

mar. 1/6

7:20 pm-7:12 pm

2 stops32h 52m

$642

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

mar. 12/23

10:01 pm-8:50 am

1 stop25h 49m

Frankfurt am Main

mié. 12/31

10:50 am-9:02 pm

1 stop19h 12m

$643

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

lun. 3/30

12:45 pm-2:05 pm

2 stops16h 20m

Frankfurt am Main

lun. 4/13

5:15 pm-3:25 pm

1 stop31h 10m

$645

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

lun. 12/15

7:45 am-11:05 am

2 stops18h 20m

Frankfurt am Main

mar. 2/10

12:15 pm-3:45 pm

1 stop36h 30m

$650

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

mié. 4/1

3:59 pm-5:45 pm

2 stops16h 46m

Frankfurt am Main

jue. 4/30

7:00 am-12:00 pm

1 stop14h 00m

$652

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

mar. 12/16

6:30 am-7:25 am

2 stops15h 55m

Frankfurt am Main

mar. 2/10

12:15 pm-3:45 pm

1 stop36h 30m

$653

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

mié. 4/1

12:45 pm-4:05 pm

2 stops18h 20m

Frankfurt am Main

vie. 5/1

8:15 am-6:37 pm

2 stops19h 22m

$654

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

mar. 3/31

12:45 pm-4:05 pm

2 stops18h 20m

Frankfurt am Main

mar. 4/14

9:15 am-5:53 pm

2 stops17h 38m

$654

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

sáb. 12/6

9:59 pm-10:05 am

3 stops51h 06m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 21 results
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2
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Best time to book a flight from San Diego to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from San Diego 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 San Diego to Heidelberg

How far ahead should I book a flight from San Diego to Heidelberg?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Heidelberg. Price data was last updated on October 24, 2025.

The best time to book flights from San Diego to Heidelberg is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from San Diego to Heidelberg (average of $597). Flying from San Diego to Heidelberg in June is currently the most expensive (average of $977). 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 SAN to HE1?

Find hourly flight availability from San Diego 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 octubre 30, 2025.

It’s optimal to fly from San Diego to Heidelberg at noon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from San Diego to Heidelberg?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Heidelberg. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to Heidelberg flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from San Diego to Heidelberg?

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 octubre 30, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Air Canada from San Diego to Heidelberg. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.1
Good
10,383 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Lufthansa
6.8
Okay
7,542 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.7
Okay
7,488 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Diego 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 San Diego to Heidelberg?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly out of when you book flights from San Diego to Heidelberg. 7 airlines have flights from San Diego to Heidelberg on a regular basis. Booking flights from San Diego to Heidelberg should not be difficult; the airport handles an average of 0 outbound flights to Heidelberg per day.

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

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

  • How can I find direct flights from San Diego to Heidelberg?

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

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

    Yes. Cheapflights offers flight deals from San Diego 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 San Diego to Heidelberg?

    Currently, March is the cheapest month in which you can book a flight from San Diego to Heidelberg (average of $597). Flying from San Diego to Heidelberg in June is currently the most expensive (average of $977). 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 7 airlines flying from San Diego to Heidelberg

Discover the top 7 airlines that operate flights from San Diego 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$630Average$720FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$644Average$1,162FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$649Average$918FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$652Average$788FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$654Average$723FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$674Average$1,149FlexibilityNo cancel feeOn-time67%
CondorCheapest$966Average$991FlexibilityNo cancel feeOn-time76%

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