HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heidelberg

$277+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FRA
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Heidelberg with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boston Logan Intl to Heidelberg are usually found in May or August, booked 59 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

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 October 20, 2025.

This oojo deal was found by Cheapflights users on 10/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:45 pmBOS - FRA
1 stop17h 55mTAP AIR PORTUGAL
Sun 11/236:00 amFRA - BOS
1 stop20h 10mTAP AIR PORTUGAL
Deal found 10/18$501
This oojo deal was found by Cheapflights users on 10/19. 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.
Sun 11/306:05 pmBOS - FRA
1 stop22h 35mTAP AIR PORTUGAL
Wed 12/101:25 pmFRA - BOS
1 stop31h 10mTAP AIR PORTUGAL
Deal found 10/19$505
This oojo deal was found by Cheapflights users on 10/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:05 pmBOS - FRA
1 stop12h 25mTAP AIR PORTUGAL
Tue 12/96:00 amFRA - BOS
1 stop14h 45mTAP AIR PORTUGAL
Deal found 10/18$506
This Mytrip deal was found by Cheapflights users on 10/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:05 pmBOS - FRA
1 stop22h 35mTAP AIR PORTUGAL
Sat 12/65:45 pmFRA - BOS
1 stop26h 50mTAP AIR PORTUGAL
Deal found 10/20$509
This Mytrip deal was found by Cheapflights users on 10/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:45 pmBOS - FRA
1 stop31h 45mTAP AIR PORTUGAL
Sun 11/236:00 amFRA - BOS
1 stop20h 10mTAP AIR PORTUGAL
Deal found 10/19$510
This Booking.com deal was found by Cheapflights users on 10/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:10 pmBOS - FRA
1 stop10h 55mAer Lingus
Fri 12/1210:45 amFRA - BOS
1 stop14h 10mAer Lingus
Deal found 10/18$513
This Booking.com deal was found by Cheapflights users on 10/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/75:10 pmBOS - FRA
1 stop10h 55mAer Lingus
Wed 12/1010:45 amFRA - BOS
1 stop14h 10mAer Lingus
Deal found 10/19$514
This CrystalTravel deal was found by Cheapflights users on 10/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:50 pmBOS - FRA
1 stop10h 15mIcelandair
Fri 11/211:05 pmFRA - BOS
1 stop10h 45mIcelandair
Deal found 10/17$515
This CrystalTravel deal was found by Cheapflights users on 10/18. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:50 pmBOS - FRA
1 stop10h 15mIcelandair
Tue 12/91:05 pmFRA - BOS
1 stop10h 45mIcelandair
Deal found 10/18$517
This Mytrip deal was found by Cheapflights users on 10/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:45 amBOS - FRA
2 stops26h 35mMultiple Airlines
Tue 12/28:00 pmFRA - BOS
3 stops29h 12mMultiple Airlines
Deal found 10/18$518
This Mytrip deal was found by Cheapflights users on 10/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:45 pmBOS - FRA
1 stop31h 45mTAP AIR PORTUGAL
Wed 11/195:45 pmFRA - BOS
1 stop32h 25mTAP AIR PORTUGAL
Deal found 10/19$520
This oojo deal was found by Cheapflights users on 10/19. 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 12/56:05 pmBOS - FRA
1 stop22h 35mTAP AIR PORTUGAL
Sun 12/145:45 pmFRA - BOS
1 stop26h 50mTAP AIR PORTUGAL
Deal found 10/19$522

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 October 20, 2025.

Round-trip from

$501
(oojo)

One-way from

$277
(Kiwi.com)

Popular in

April

Cheapest in

May

Average price

$774
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 ($70 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 October 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 October 20, 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

Thu 11/20

10:50 am-5:55 am

1 stop13h 05m

Frankfurt am Main

Thu 12/4

11:15 am-12:03 am

1 stop18h 48m

$580

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Fri 12/12

7:50 pm-12:05 pm

1 stop10h 15m

Frankfurt am Main

Thu 12/25

1:05 pm-5:50 pm

1 stop10h 45m

$616

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Mon 10/27

8:50 pm-12:05 pm

1 stop10h 15m

Frankfurt am Main

Sat 11/8

1:05 pm-5:50 pm

1 stop10h 45m

$646

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Wed 12/10

4:20 pm-5:35 am

Nonstop7h 15m

Frankfurt am Main

Wed 12/24

9:45 am-7:42 pm

1 stop15h 57m

$652

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Sun 12/7

4:20 pm-5:35 am

Nonstop7h 15m

Frankfurt am Main

Tue 12/16

11:05 am-1:25 pm

Nonstop8h 20m

$654

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Wed 12/24

10:15 am-7:25 am

1 stop15h 10m

Frankfurt am Main

Fri 1/16

11:05 am-1:35 pm

Nonstop8h 30m

$654

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Mon 12/8

4:20 pm-5:35 am

Nonstop7h 15m

Frankfurt am Main

Mon 12/22

6:15 pm-8:20 pm

1 stop32h 05m

$662

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Thu 12/11

3:40 pm-7:25 am

1 stop9h 45m

Frankfurt am Main

Thu 12/25

9:45 am-2:52 pm

1 stop11h 07m

$702

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Thu 12/25

5:30 am-7:25 am

1 stop19h 55m

Frankfurt am Main

Fri 1/9

11:05 am-1:25 pm

Nonstop8h 20m

$704

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Fri 1/16

4:15 pm-5:35 am

Nonstop7h 20m

Frankfurt am Main

Fri 1/30

11:05 am-1:35 pm

Nonstop8h 30m

$704

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Showing 1-10 of 21 results
1
2
3

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 October 17, 2025.

Booking 59 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 December is currently the most expensive (average of $592). 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 October 20, 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 October 20, 2025.

The most flights from BOS to HE1 are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 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 October 20, 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
11,134 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,134 reviews
Alaska Airlines
8.0
Very good
11,134 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,991 reviews
Alaska Airlines
8.0
Very good
11,134 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Icelandair
7.0
Good
561 reviews
Alaska Airlines
8.0
Very good
11,134 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Lufthansa
6.8
Okay
7,506 reviews
Alaska Airlines
8.0
Very good
11,134 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Condor
6.4
Okay
378 reviews
Alaska Airlines
8.0
Very good
11,134 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 9 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 7h 15m. Icelandair provides one of the quickest options available for as low as $652. 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: Thai Airways (93%), Air Canada (88%), United Airlines (88%).

  • What are the cheapest flights from Boston to Heidelberg?

    On average you can expect to pay $2,915 for a flight from Boston to Heidelberg. The cheapest flight overall is $311 while the most popular route, (Boston Logan Intl - Frankfurt am Main) is currently priced at $424.

  • 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 December is currently the most expensive (average of $592). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$238Average$684FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$474Average$662FlexibilityNo cancel feeOn-time76%
CondorCheapest$476Average$708FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$507Average$705FlexibilityNo cancel feeOn-time70%
SWISSCheapest$531Average$912FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$535Average$650FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$556Average$836FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$562Average$892FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$601Average$850FlexibilityNo cancel feeOn-time77%
DeltaCheapest$603Average$985FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.