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Heidelberg

$236+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — FRA
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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 69 days in advance, depart on a Wednesday or Saturday and return on a Sunday

Cheap 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 December 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:00 pmSAN - FRA
1 stop13h 55mLufthansa
Tue 1/69:40 pmFRA - SAN
2 stops33h 16mLufthansa
Deal found 12/14$907
This Air Canada deal was found by Cheapflights users on 12/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:40 pmSAN - FRA
1 stop13h 30mAir Canada
Tue 1/65:10 pmFRA - SAN
1 stop27h 43mAir Canada
Deal found 12/13$976
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Sun 12/286:55 pmSAN - FRA
1 stop31h 35mUnited Airlines
Tue 1/610:05 amFRA - SAN
1 stop34h 48mUnited Airlines
Deal found 12/14$1,062
This Cheapflightsfares deal was found by Cheapflights users on 12/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:40 amSAN - FRA
1 stop16h 55mLufthansa
Mon 1/59:00 pmFRA - SAN
2 stops33h 56mLufthansa
Deal found 12/14$1,098
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Mon 12/297:55 pmSAN - FRA
1 stop28h 40mUnited Airlines
Mon 1/510:05 amFRA - SAN
1 stop34h 48mUnited Airlines
Deal found 12/14$1,232
This KAYAK deal was found by Cheapflights users on 12/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:41 amSAN - FRA
1 stop16h 09mMultiple Airlines
Thu 1/151:55 pmFRA - SAN
1 stop16h 03mMultiple Airlines
Deal found 12/14$1,384
This Air Canada deal was found by Cheapflights users on 12/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:40 pmSAN - FRA
1 stop33h 00mAir Canada
Sat 1/35:10 pmFRA - SAN
1 stop27h 43mAir Canada
Deal found 12/13$1,495

Find 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 December 15, 2025.

Round-trip from

$646
(United Airlines)

One-way from

$236
(Thrive Travel)

Popular in

June

Cheapest in

February

Average price

$1,172
From San Diego to Heidelberg
Search Deals
One-way flight from San Diego to Heidelberg
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($200 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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

Tue 1/6

10:00 pm-11:50 am

1 stop28h 50m

Frankfurt am Main

Wed 1/14

5:10 pm-11:53 am

1 stop27h 43m

$646

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

Mon 1/12

6:00 pm-9:25 am

2 stops30h 25m

Frankfurt am Main

Sun 1/25

7:20 pm-7:12 pm

2 stops32h 52m

$710

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

Mon 1/12

10:37 am-2:30 pm

3 stops18h 53m

Frankfurt am Main

Sat 1/24

10:30 am-10:47 pm

3 stops21h 17m

$728

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

Fri 5/1

7:00 am-6:30 am

1 stop14h 30m

Frankfurt am Main

Thu 5/14

9:45 am-3:25 pm

1 stop14h 40m

$728

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

Fri 1/30

10:37 am-7:45 pm

2 stops24h 08m

Frankfurt am Main

Tue 2/3

3:15 pm-10:47 pm

2 stops40h 32m

$734

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

Mon 1/12

10:37 am-7:45 pm

3 stops24h 08m

Frankfurt am Main

Tue 1/27

10:30 am-10:47 pm

2 stops21h 17m

$747

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

Thu 5/7

7:40 pm-6:20 pm

1 stop13h 40m

Frankfurt am Main

Mon 5/11

3:00 pm-2:55 pm

1 stop32h 55m

$756

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

Thu 5/7

6:15 am-9:50 am

1 stop18h 35m

Frankfurt am Main

Mon 5/11

2:15 pm-11:50 am

1 stop30h 35m

$770

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

Fri 5/1

10:00 am-1:35 pm

2 stops18h 35m

Frankfurt am Main

Thu 5/14

10:15 am-6:54 pm

2 stops17h 39m

$789

San DiegoFrankfurt am Main

SAN - FRA

SANFRA

San Diego

Wed 2/4

7:00 am-7:25 am

1 stop15h 25m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 20 results
1
2

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 December 12, 2025.

The best time to book flights from San Diego to Heidelberg is 69 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 $593). Flying from San Diego to Heidelberg in June is currently the most expensive (average of $920). 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 December 15, 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 Thursday at noon 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 December 15, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines 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
8,008 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

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
9,093 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

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.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

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
10,526 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

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
7,628 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

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.

  • How long is the flight from San Diego to Heidelberg?

    United Airlines, Finnair, and Scandinavian Airlines can get you from San Diego to Heidelberg in just under 18h 53m. Your travel time can differ by up to 11h 32m. There are 5823 mi between San Diego and Heidelberg. This flight may include one or multiple stops.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $378. Users have also found prices from $412 and $433 on Lufthansa and WestJet, respectively.

  • 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 $593). Flying from San Diego to Heidelberg in June is currently the most expensive (average of $920). 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$468Average$898FlexibilityNo cancel feeOn-time70%
DeltaCheapest$630Average$804FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$633Average$1,071FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$651Average$825FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$654Average$879FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$674Average$745FlexibilityNo cancel feeOn-time67%
CondorCheapest$966Average$991FlexibilityNo cancel feeOn-time76%

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