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$442+ Cheap flights from Boston (BOS) 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FRA
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Heidelberg are usually found in May or August, booked 76 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Boston to Heidelberg

Keep the following information in mind while searching for Boston to Heidelberg flight deals. Data was last updated May 1, 2025.

Round-trip from

$520
(Condor)

One-way from

$442
(Trip.com)

Popular in

March

Cheapest in

May

Average price

$694
From Boston Logan Intl to Heidelberg
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One-way flight from Boston Logan Intl to Heidelberg
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Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 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 Boston to Heidelberg

Cheapest flights from Boston to Heidelberg
Explore the most affordable flight options available from Boston to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Condor 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/124:15 pmBOS - FRA
Nonstop7h 00mMultiple Airlines
Fri 5/1611:15 amFRA - BOS
1 stop16h 22mMultiple Airlines
Deal found 4/30$520
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/24:15 pmBOS - FRA
Nonstop7h 00mCondor
Wed 5/1411:40 amFRA - BOS
Nonstop8h 15mCondor
Deal found 5/1$521
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:10 pmBOS - FRA
1 stop22h 30mTAP AIR PORTUGAL
Wed 11/265:45 pmFRA - BOS
1 stop32h 20mTAP AIR PORTUGAL
Deal found 4/30$529
This Aer Lingus 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/25:30 pmBOS - FRA
1 stop10h 45mAer Lingus
Tue 9/910:55 amFRA - BOS
1 stop13h 50mAer Lingus
Deal found 4/30$612
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/248:50 pmBOS - FRA
1 stop10h 10mIcelandair
Mon 8/255:10 pmFRA - BOS
1 stop10h 50mIcelandair
Deal found 4/30$674
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2110:00 pmBOS - FRA
Nonstop7h 20mLufthansa
Tue 8/261:30 pmFRA - BOS
Nonstop8h 10mLufthansa
Deal found 4/30$768
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2510:00 amBOS - FRA
2 stops27h 45mScandinavian Airlines
Tue 6/33:20 pmFRA - BOS
1 stop30h 15mScandinavian Airlines
Deal found 4/30$769
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/89:35 pmBOS - FRA
1 stop13h 55mTurkish Airlines
Thu 5/227:05 amFRA - BOS
1 stop18h 35mTurkish Airlines
Deal found 4/30$772
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.
Mon 8/185:50 pmBOS - FRA
Nonstop7h 05mUnited Airlines
Mon 8/254:30 pmFRA - BOS
1 stop28h 55mUnited Airlines
Deal found 4/30$777
This StudentUniverse 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/25:59 pmBOS - FRA
2 stops18h 36mFinnair
Tue 9/911:30 amFRA - BOS
2 stops16h 52mFinnair
Deal found 4/30$799
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1310:46 amBOS - FRA
2 stops14h 34mAmerican Airlines
Tue 6/36:30 amFRA - BOS
1 stop19h 20mAmerican Airlines
Deal found 4/29$802
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.
Tue 8/2612:15 pmBOS - FRA
2 stops13h 55mAir Canada
Tue 9/239:55 amFRA - BOS
1 stop13h 57mAir Canada
Deal found 4/30$803

Cheapflights Fare Finder

Customize your flight search to find flights from Boston 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 Boston to Heidelberg that are best for you.

Fly from

Boston

Fly to

Heidelberg

Route

Depart

Return

Price

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Mon 5/12

4:15 pm-5:15 am

Nonstop7h 00m

Frankfurt am Main

Fri 5/16

11:15 am-9:37 pm

1 stop16h 22m

$520

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Mon 5/12

4:15 pm-5:15 am

Nonstop7h 00m

Frankfurt am Main

Fri 5/16

11:40 am-1:55 pm

Nonstop8h 15m

$524

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Thu 8/21

5:40 pm-2:40 pm

1 stop15h 00m

Frankfurt am Main

Wed 9/3

3:20 pm-3:35 pm

1 stop30h 15m

$536

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Mon 10/13

11:15 pm-6:50 pm

2 stops13h 35m

Frankfurt am Main

Mon 10/20

6:05 am-8:05 pm

1 stop20h 00m

$594

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Tue 9/2

5:30 pm-10:15 am

1 stop10h 45m

Frankfurt am Main

Tue 9/9

10:55 am-6:45 pm

1 stop13h 50m

$612

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Thu 7/24

8:50 pm-1:00 pm

1 stop10h 10m

Frankfurt am Main

Mon 8/25

5:10 pm-10:00 pm

1 stop10h 50m

$674

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Wed 5/14

9:35 pm-1:40 pm

1 stop34h 05m

Frankfurt am Main

Tue 5/20

3:05 pm-7:40 pm

1 stop34h 35m

$734

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Mon 7/21

10:00 pm-11:20 am

Nonstop7h 20m

Frankfurt am Main

Tue 8/26

1:30 pm-3:40 pm

Nonstop8h 10m

$768

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Mon 8/18

5:50 pm-6:55 am

Nonstop7h 05m

Frankfurt am Main

Mon 8/25

4:30 pm-3:25 pm

1 stop28h 55m

$777

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Tue 9/2

5:59 pm-6:35 pm

2 stops18h 36m

Frankfurt am Main

Tue 9/9

11:30 am-10:22 pm

2 stops16h 52m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 28 results
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Best time to book a flight from Boston to Heidelberg

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Heidelberg. Price data was last updated on April 25, 2025.

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Heidelberg. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Boston to Heidelberg (average of $729). Flying from Boston 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 BOS to HE1?

Find hourly flight availability from Boston 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 Boston 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.

What is the cheapest day to fly from Boston to Heidelberg?

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

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

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.
Read reviews from past customers who have flown Singapore Airlines, Azores Airlines and Finnair from Boston to Heidelberg. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Food

7.7

Overall

8.1

Comfort

7.9

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very good
1,292 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Food

7.7

Overall

8.1

Comfort

7.9

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Azores Airlines
7.6
Good
66 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Food

7.7

Overall

8.1

Comfort

7.9

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Finnair
7.6
Good
1,275 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Food

7.7

Overall

8.1

Comfort

7.9

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Cathay Pacific
7.5
Good
855 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Food

7.7

Overall

8.1

Comfort

7.9

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
United Airlines
7.4
Good
8,696 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Food

7.7

Overall

8.1

Comfort

7.9

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

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

    If you book a flight to Heidelberg from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There is 1 flight from Logan Intl to Heidelberg per day from 17 different airlines.

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

    $450 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Singapore Airlines and Condor, with prices starting from $465 and $466, respectively.

  • What are the most reliable airlines from Boston to Heidelberg?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Heidelberg on time: Air Canada (84%), Thai Airways (84%), Brussels Airlines (84%).

  • What are the cheapest flights from Boston to Heidelberg?

    On average you can expect to pay $3,011 for a flight from Boston to Heidelberg. The cheapest flight overall is $369 while the most popular route, (Boston Logan Intl - Frankfurt am Main) is currently priced at $376.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Heidelberg?

    Currently, January is the cheapest month in which you can book a flight from Boston to Heidelberg (average of $729). Flying from Boston 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Boston to Heidelberg

Discover the top 10 airlines that operate flights from Boston 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
PLAYCheapest$321Average$416FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$380Average$780FlexibilityNo cancel feeOn-time75%
CondorCheapest$460Average$715FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$470Average$628FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$527Average$693FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$547Average$654FlexibilityNo cancel feeOn-timeN/A
ITA AirwaysCheapest$549Average$756FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$561Average$737FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$570Average$898FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$578Average$1,451FlexibilityNo cancel feeOn-time71%

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