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Heidelberg

$203+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FRA
Aug 23 — Aug 301
Sa 8/23
Sa 8/30
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 41 days in advance, depart on a Wednesday or Thursday and return on a Monday

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 August 18, 2025.

Round-trip from

$543
(United Airlines)

One-way from

$203
(Flysmarter)

Popular in

April

Cheapest in

May

Average price

$703
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. 5% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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.
Di 9/309:40 pmBOS - FRA
1 stop29h 40mUnited Airlines
Do 10/25:00 pmFRA - BOS
2 stops27h 30mUnited Airlines
Deal found 8/18$543
This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 9/412:00 pmBOS - FRA
1 stop14h 55mVirgin Atlantic
Do 9/1111:00 amFRA - BOS
1 stop14h 45mVirgin Atlantic
Deal found 8/16$544
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Mo 10/67:08 pmBOS - FRA
1 stop30h 12mUnited Airlines
Mi 10/85:00 pmFRA - BOS
2 stops27h 30mUnited Airlines
Deal found 8/17$545
This oojo deal was found by Cheapflights users on 8/17. 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.
Fr 9/512:35 pmBOS - FRA
1 stop11h 25mIcelandair
Mo 9/85:10 pmFRA - BOS
1 stop10h 50mIcelandair
Deal found 8/17$547
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 8/204:00 pmBOS - FRA
Nonstop7h 15mCondor
Di 8/2611:40 amFRA - BOS
Nonstop8h 15mCondor
Deal found 8/17$548
This Gurufare deal was found by Cheapflights users on 8/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 12/1111:35 amBOS - FRA
1 stop18h 30mIcelandair
Fr 12/191:05 pmFRA - BOS
1 stop10h 45mIcelandair
Deal found 8/17$549
This oojo deal was found by Cheapflights users on 8/17. 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.
Mi 8/208:50 pmBOS - FRA
1 stop10h 10mIcelandair
Di 8/262:00 pmFRA - BOS
1 stop14h 00mIcelandair
Deal found 8/17$550
This Gurufare deal was found by Cheapflights users on 8/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 10/108:50 pmBOS - FRA
1 stop10h 10mIcelandair
Mi 10/152:00 pmFRA - BOS
1 stop10h 50mIcelandair
Deal found 8/16$551
This oojo deal was found by Cheapflights users on 8/17. 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.
Mi 8/2012:35 pmBOS - FRA
1 stop11h 25mIcelandair
Do 9/42:00 pmFRA - BOS
1 stop10h 50mIcelandair
Deal found 8/17$552
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Mi 8/208:50 pmBOS - FRA
1 stop10h 10mIcelandair
Mo 8/255:10 pmFRA - BOS
1 stop24h 25mIcelandair
Deal found 8/17$553
This Delta deal was found by Cheapflights users on 8/16. 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.
Do 9/412:00 pmBOS - FRA
1 stop14h 55mDelta
Do 9/1110:40 amFRA - BOS
1 stop14h 29mDelta
Deal found 8/16$555
This Icelandair deal was found by Cheapflights users on 8/17. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 12/127:50 pmBOS - FRA
1 stop10h 15mIcelandair
Mi 12/171:05 pmFRA - BOS
1 stop10h 45mIcelandair
Deal found 8/17$556

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 August 18, 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

Mo 10/6

7:08 pm-7:20 am

1 stop30h 12m

Frankfurt am Main

Mi 10/8

5:00 pm-2:30 pm

2 stops27h 30m

$545

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Fr 10/10

8:50 pm-1:00 pm

1 stop10h 10m

Frankfurt am Main

So 10/19

5:10 pm-10:00 pm

1 stop10h 50m

$551

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Do 9/4

12:00 pm-8:55 am

1 stop14h 55m

Frankfurt am Main

Do 9/11

10:40 am-7:09 pm

1 stop14h 29m

$555

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Mi 11/12

1:10 pm-8:55 am

2 stops13h 45m

Frankfurt am Main

So 11/16

10:40 am-10:28 pm

1 stop17h 48m

$556

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Fr 12/12

7:50 pm-12:05 pm

1 stop10h 15m

Frankfurt am Main

Mo 12/15

1:05 pm-5:50 pm

1 stop10h 45m

$556

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Fr 12/12

7:50 pm-12:05 pm

1 stop10h 15m

Frankfurt am Main

Do 12/18

1:05 pm-5:50 pm

1 stop10h 45m

$556

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Do 1/15

1:10 pm-8:55 am

2 stops13h 45m

Frankfurt am Main

Do 1/29

9:50 am-6:56 pm

1 stop15h 06m

$556

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Fr 12/12

7:50 pm-12:05 pm

1 stop10h 15m

Frankfurt am Main

Mi 12/17

1:05 pm-5:50 pm

1 stop10h 45m

$556

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

So 10/5

8:50 pm-5:45 pm

2 stops14h 55m

Frankfurt am Main

Di 10/28

10:40 am-10:27 pm

1 stop16h 47m

$556

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

So 1/18

1:10 pm-11:15 am

2 stops16h 05m

Frankfurt am Main

So 2/1

10:40 am-10:33 pm

1 stop17h 53m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 21 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 August 8, 2025.

Booking 27 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 $1,091). 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 August 18, 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.

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 August 18, 2025.

The most flights from BOS to HE1 are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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 August 18, 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
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Icelandair
7.0
Good
527 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Lufthansa
6.8
Okay
7,330 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Condor
6.3
Okay
354 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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 10 flights from Logan Intl to Heidelberg per day from 15 different airlines.

  • How long is the flight from Boston to Heidelberg?

    A quick flight from Boston to Heidelberg can take about 10h 10m. United Airlines provides one of the quickest options available for as low as $551. There are 3656 mi between Boston and Heidelberg. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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: Alaska Airlines (81%), Condor (80%), Brussels Airlines (76%).

  • What are the cheapest flights from Boston to Heidelberg?

    On average you can expect to pay $2,858 for a flight from Boston to Heidelberg. The cheapest flight overall is $320 while the most popular route, (Boston Logan Intl - Frankfurt am Main) is currently priced at $418.

  • 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 $1,091). 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
CondorCheapest$462Average$713FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$467Average$659FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$507Average$705FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$531Average$918FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$535Average$656FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$549Average$949FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$556Average$887FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$588Average$1,451FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$588Average$714FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$588Average$917FlexibilityNo cancel feeOn-time76%

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