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Heidelberg

$254+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FRA
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 56 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap 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 December 4, 2025.

This Justfly.com deal was found by Cheapflights users on 12/2. 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.
Sun 12/76:05 pmBOS - FRA
1 stop12h 25mTAP AIR PORTUGAL
Wed 12/175:45 pmFRA - BOS
1 stop32h 25mTAP AIR PORTUGAL
Deal found 12/2$524
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:45 pmBOS - FRA
1 stop12h 10mTAP AIR PORTUGAL
Thu 12/186:00 amFRA - BOS
1 stop20h 10mTAP AIR PORTUGAL
Deal found 12/2$547
This oojo deal was found by Cheapflights users on 12/2. 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 12/510:45 pmBOS - FRA
1 stop12h 10mTAP AIR PORTUGAL
Sun 12/146:00 amFRA - BOS
1 stop20h 10mTAP AIR PORTUGAL
Deal found 12/2$551
This FlightHub deal was found by Cheapflights users on 12/3. 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.
Mon 12/86:05 pmBOS - FRA
1 stop12h 25mTAP AIR PORTUGAL
Tue 12/166:00 amFRA - BOS
1 stop14h 45mTAP AIR PORTUGAL
Deal found 12/3$552
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:05 pmBOS - FRA
1 stop12h 25mTAP AIR PORTUGAL
Wed 12/175:45 pmFRA - BOS
1 stop32h 25mTAP AIR PORTUGAL
Deal found 12/2$555
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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.
Tue 12/97:50 pmBOS - FRA
1 stop10h 15mIcelandair
Fri 1/231:05 pmFRA - BOS
1 stop10h 45mIcelandair
Deal found 12/2$556
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:50 pmBOS - FRA
1 stop10h 15mIcelandair
Wed 1/141:05 pmFRA - BOS
1 stop10h 45mIcelandair
Deal found 12/2$559
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:50 pmBOS - FRA
1 stop10h 15mIcelandair
Sun 1/181:05 pmFRA - BOS
1 stop10h 45mIcelandair
Deal found 12/3$560
This FlightHub deal was found by Cheapflights users on 12/2. 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.
Tue 12/97:50 pmBOS - FRA
1 stop10h 15mIcelandair
Wed 12/171:05 pmFRA - BOS
1 stop10h 45mIcelandair
Deal found 12/2$564

Find flight deals from Boston to Heidelberg

Keep the following information in mind while searching for Boston to Heidelberg flight deals. Data was last updated December 4, 2025.

Round-trip from

$525
(Gotogate)

One-way from

$254
(Mytrip)

Popular in

April

Cheapest in

May

Average price

$853
From Boston Logan Intl to Heidelberg
Search Deals
One-way flight from Boston Logan Intl to Heidelberg
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 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 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 December 4, 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

Sun 1/25

10:05 am-9:50 am

2 stops17h 45m

Frankfurt am Main

Sun 2/8

10:30 am-3:50 pm

1 stop11h 20m

$565

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Mon 1/26

10:05 am-9:50 am

2 stops17h 45m

Frankfurt am Main

Sun 2/1

10:30 am-3:50 pm

1 stop11h 20m

$565

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Sun 1/25

10:05 am-9:50 am

2 stops17h 45m

Frankfurt am Main

Tue 2/3

10:30 am-10:21 pm

2 stops17h 51m

$620

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Mon 1/26

10:05 am-9:50 am

2 stops17h 45m

Frankfurt am Main

Mon 2/2

10:30 am-10:22 pm

2 stops17h 52m

$622

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Sun 5/3

9:25 am-5:45 am

1 stop14h 20m

Frankfurt am Main

Thu 5/14

12:30 pm-2:45 pm

Nonstop8h 15m

$623

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Thu 3/5

7:50 pm-12:05 pm

1 stop10h 15m

Frankfurt am Main

Fri 3/13

1:05 pm-6:50 pm

1 stop10h 45m

$635

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Sun 2/1

10:05 am-9:50 am

2 stops17h 45m

Frankfurt am Main

Mon 3/16

7:55 am-4:50 pm

1 stop13h 55m

$668

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Mon 2/9

10:05 am-9:50 am

2 stops17h 45m

Frankfurt am Main

Mon 3/23

6:55 am-4:50 pm

2 stops14h 55m

$686

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Fri 1/23

3:40 pm-7:25 am

1 stop9h 45m

Frankfurt am Main

Fri 1/30

11:05 am-1:35 pm

Nonstop8h 30m

$706

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Sun 1/25

1:24 pm-10:40 pm

2 stops27h 16m

Frankfurt am Main

Thu 1/29

1:25 pm-8:10 pm

1 stop12h 45m

$765

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 20 results
1
2

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 November 28, 2025.

Booking 56 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, November is the cheapest month in which you can book a flight from Boston to Heidelberg (average of $238). Flying from Boston to Heidelberg in June is currently the most expensive (average of $595). 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 December 4, 2025.

It’s typically best to fly out from Boston to Heidelberg in the morning. Doing so could potentially save you 34% on the flight price compared to flying at noon, which is usually more expensive.

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 Friday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Heidelberg

Explore weekly flight availability from Boston to Heidelberg. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 4, 2025.

The most flights from BOS to HE1 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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 4, 2025.
See what other customers who have flown with Alaska Airlines, United Airlines, and Icelandair from Boston 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.
Alaska Airlines
8.0
Very good
11,402 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Alaska Airlines
8.0
Very good
11,402 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
United Airlines
7.4
Good
9,066 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Icelandair
7.0
Good
584 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Lufthansa
6.8
Okay
7,612 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Condor
6.4
Okay
389 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.

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 are 5 flights from Logan Intl to Heidelberg per day from 16 different airlines.

  • How long is the flight from Boston to Heidelberg?

    A quick flight from Boston to Heidelberg can take about 17h 45m. Scandinavian Airlines provides one of the quickest options available for as low as $565. There are 3656 mi between Boston and Heidelberg.

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

    $139 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Icelandair and Condor, with prices starting from $199 and $284, 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 (87%), United Airlines (87%), Lufthansa (87%).

  • What are the cheapest flights from Boston to Heidelberg?

    On average you can expect to pay $3,102 for a flight from Boston to Heidelberg. The cheapest flight overall is $380 while the most popular route, (Boston Logan Intl - Frankfurt am Main) is currently priced at $433.

  • 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, November is the cheapest month in which you can book a flight from Boston to Heidelberg (average of $238). Flying from Boston to Heidelberg in June is currently the most expensive (average of $595). 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$238Average$700FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$477Average$636FlexibilityNo cancel feeOn-time76%
CondorCheapest$482Average$712FlexibilityNo cancel feeOn-time76%
DeltaCheapest$487Average$850FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$519Average$644FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$531Average$912FlexibilityNo cancel feeOn-time79%
KLMCheapest$556Average$739FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$562Average$889FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$588Average$647FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$601Average$799FlexibilityNo cancel feeOn-time77%

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