Frankfurt

$258+ Cheap flights from Boston (BOS) to Frankfurt (FRA)

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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FRA
Nov 26 — Dec 31
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Find cheap flights from Boston to Frankfurt with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Boston Logan Intl to Frankfurt am Main 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 Frankfurt

Cheapest flights from Boston to Frankfurt
Explore the most affordable flight options available from Boston to Frankfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Delta deal was found by Cheapflights users on 10/25. 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.
Fri 11/2812:00 pmBOS - FRA
2 stops22h 45mDelta
Sat 12/1310:40 amFRA - BOS
1 stop18h 34mDelta
Deal found 10/25$505
This Delta deal was found by Cheapflights users on 10/26. 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.
Tue 10/288:55 pmBOS - FRA
2 stops14h 50mDelta
Wed 11/59:50 amFRA - BOS
1 stop20h 24mDelta
Deal found 10/26$506
This Delta deal was found by Cheapflights users on 10/27. 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.
Tue 12/29:59 amBOS - FRA
1 stop15h 51mDelta
Mon 12/812:00 pmFRA - BOS
2 stops16h 26mDelta
Deal found 10/27$507
This KLM deal was found by Cheapflights users on 10/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:05 pmBOS - FRA
1 stop12h 45mKLM
Thu 11/132:15 pmFRA - BOS
2 stops14h 10mKLM
Deal found 10/26$508
This Delta deal was found by Cheapflights users on 10/25. 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.
Fri 11/288:25 pmBOS - FRA
1 stop14h 20mDelta
Wed 12/177:05 amFRA - BOS
1 stop12h 30mDelta
Deal found 10/25$510
This Booking.com deal was found by Cheapflights users on 10/25. 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 10/25$511
This Delta deal was found by Cheapflights users on 10/27. 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.
Mon 11/241:10 pmBOS - FRA
2 stops13h 45mDelta
Wed 12/37:05 amFRA - BOS
1 stop12h 30mDelta
Deal found 10/27$512
This Delta deal was found by Cheapflights users on 10/27. 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.
Fri 11/288:50 pmBOS - FRA
1 stop10h 50mDelta
Thu 12/410:40 amFRA - BOS
1 stop15h 42mDelta
Deal found 10/27$514
This FlightHub deal was found by Cheapflights users on 10/24. 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.
Sat 11/2910:25 pmBOS - FRA
1 stop18h 15mTAP AIR PORTUGAL
Sat 12/135:45 pmFRA - BOS
1 stop32h 25mTAP AIR PORTUGAL
Deal found 10/24$517
This Delta deal was found by Cheapflights users on 10/25. 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.
Fri 11/281:10 pmBOS - FRA
2 stops15h 55mDelta
Sat 12/69:50 amFRA - BOS
1 stop21h 37mDelta
Deal found 10/25$519
This Condor deal was found by Cheapflights users on 10/27. 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.
Sat 11/155:40 amBOS - FRA
1 stop18h 15mMultiple Airlines
Thu 11/2011:15 amFRA - BOS
1 stop15h 37mMultiple Airlines
Deal found 10/27$520
This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 12/18:25 pmBOS - FRA
1 stop14h 20mDelta
Fri 12/127:05 amFRA - BOS
2 stops15h 06mDelta
Deal found 10/25$521

Cheap flight deals from Boston to Frankfurt

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Frankfurt (FRA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$505
(Delta)

One-way from

$258
(Kiwi.com)

Popular in

April

Cheapest in

May

Average price

$774

Good round-trip deal

$543 or less

Good one-way deal

$425 or less
Provider with most accurate pricing for Boston Logan Intl-Frankfurt am Main flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Frankfurt am Main flights.
From Boston Logan Intl to Frankfurt am Main
One-way flight from Boston Logan Intl to Frankfurt am Main
Highest demand for flights based on searches. 7% potential increase in price ($67 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Boston Logan Intl to Frankfurt am Main.
Price to beat on a one-way flight from Boston Logan Intl to Frankfurt am Main.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Frankfurt 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 27, 2025.
Use the filters below to find and compare flights from Boston to Frankfurt am Main Airport that are best for you.

Fly from

Boston

Fly to

Frankfurt

Route

Depart

Return

Price

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Sun 11/23

6:05 am-7:50 am

1 stop19h 45m

Frankfurt am Main

Tue 12/2

9:40 am-10:26 pm

2 stops18h 46m

$507

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Fri 2/13

5:30 am-7:50 am

1 stop20h 20m

Frankfurt am Main

Mon 2/23

7:05 am-7:46 pm

2 stops18h 41m

$507

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Fri 12/5

6:45 am-8:40 am

1 stop19h 55m

Frankfurt am Main

Sun 12/14

7:05 am-6:59 pm

2 stops17h 54m

$507

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Wed 12/3

1:40 pm-8:40 am

1 stop13h 00m

Frankfurt am Main

Tue 12/9

10:15 am-6:59 pm

2 stops14h 44m

$508

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Wed 11/12

5:29 am-7:50 am

1 stop20h 21m

Frankfurt am Main

Sun 11/16

10:15 am-10:46 pm

2 stops18h 31m

$508

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Tue 1/27

9:55 am-9:50 am

2 stops17h 55m

Frankfurt am Main

Tue 2/10

10:30 am-3:50 pm

1 stop11h 20m

$576

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Tue 1/27

9:55 am-9:50 am

2 stops17h 55m

Frankfurt am Main

Tue 3/3

10:30 am-3:50 pm

1 stop11h 20m

$576

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Mon 1/26

1:10 pm-9:50 am

2 stops14h 40m

Frankfurt am Main

Mon 2/9

10:30 am-10:33 pm

2 stops18h 03m

$626

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Tue 1/27

5:30 am-7:25 am

1 stop19h 55m

Frankfurt am Main

Tue 2/10

9:45 am-2:17 pm

2 stops34h 32m

$639

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Sun 2/1

1:10 pm-8:55 am

2 stops13h 45m

Frankfurt am Main

Mon 3/16

9:50 am-8:52 pm

1 stop16h 02m

$645

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 18 results
1
2

Compare providers for flights from Boston to Frankfurt

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Frankfurt in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Frankfurt am Main Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Frankfurt am Main Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Frankfurt am Main Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Frankfurt am Main Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Frankfurt am Main Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Frankfurt

Have a flexible travel schedule? Discover the best time to fly to Frankfurt 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 Frankfurt am Main Airport

How far ahead should I book a flight from Boston to Frankfurt am Main Airport?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Frankfurt. Price data was last updated on October 24, 2025.

The price you pay for your flight from Boston to Frankfurt am Main Airport may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to Frankfurt am Main Airport?

Currently, November is the cheapest month in which you can book a flight from Boston to Frankfurt am Main Airport (average of $238). Flying from Boston to Frankfurt am Main Airport in December is currently the most expensive (average of $582). 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 FRA?

Find hourly flight availability from Boston to Frankfurt. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

When flying from Boston to Frankfurt am Main Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 39% versus a flight at noon.

What is the cheapest day to fly from Boston to Frankfurt am Main Airport?

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

Travelers seeking maximum savings on their Boston to Frankfurt am Main Airport flight should consider departing on Sunday 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.

How much does it cost to fly round-trip from Boston to Frankfurt am Main Airport?

The best insider tips for Boston to Frankfurt am Main Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Frankfurt am Main Airport trip
Airports
BOS

Use the FlyLogan app for real-time flight updates and pre-order food through BOS2GO for a quick meal pickup.

Read more about BOSby Paul Rubio
FRA

For quick city access, take the S8 or S9 trains from Terminal 1 to Frankfurt Hauptbahnhof, departing every 15 minutes.

Read more about FRAby Blane Bachelor
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on FRA

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Reviews of airlines servicing Frankfurt

Get insights into the airlines that provide service to Frankfurt. 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 Frankfurt. Reviews last updated October 27, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, United Airlines, and Icelandair from Boston to Frankfurt am Main Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

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.

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

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.

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

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.

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

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.

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

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.

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

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 Frankfurt. 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 Frankfurt am Main?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Frankfurt am Main. 10 airlines have flights from Logan Intl to Frankfurt am Main on a regular basis. Booking flights from Boston Logan Intl to Frankfurt am Main should not be difficult; the airport handles an average of 5 outbound flights to Frankfurt am Main per day.

  • How long is the flight from Boston to Frankfurt am Main Airport?

    Delta can get you from Boston to Frankfurt am Main Airport in just under 19h 45m. Your travel time can differ by up to . Boston and Frankfurt am Main Airport are separated by a distance of 3656 mi.

  • What are the cheapest airlines flying from Boston to Frankfurt am Main Airport round-trip?

    Aer Lingus, at $238, was found to be the cheapest airline from Boston to Frankfurt am Main Airport.Alternate airlines to your destination round-trip include Icelandair and Condor. Aer Lingus is currently priced 70% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Boston to Frankfurt am Main Airport?

    The top 3 most reliable airlines when flying from Boston to Frankfurt am Main Airport are Thai Airways (93%), Air Canada (88%) and United Airlines (88%).

  • What are the cheapest flights from Boston to Frankfurt am Main Airport?

    While on average a flight from Boston to Frankfurt am Main Airport is generally $2,915, our data shows the cheapest flight currently is $311. When looking at the most popular route, (Boston Logan Intl - Frankfurt am Main), you can expect to pay $427 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Frankfurt 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 Frankfurt am Main Airport?

    Currently, November is the cheapest month in which you can book a flight from Boston to Frankfurt am Main Airport (average of $238). Flying from Boston to Frankfurt am Main Airport in December is currently the most expensive (average of $582). 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

Traveling to a place near Frankfurt am Main Airport?

Book flights to Frankfurt am Main Airport if you plan to visit one of these locations
Koblenz
Baden-Baden
Wurzburg
Speyer
Wiesbaden
Trier
Boppard
Mainz

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Alternative routes for Boston to Frankfurt

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Boston to Frankfurt

Discover the top 10 airlines that operate flights from Boston to Frankfurt. 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 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$238Average$688FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$474Average$660FlexibilityNo cancel feeOn-time76%
CondorCheapest$476Average$708FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$535Average$651FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$650Average$710FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$657Average$991FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$711Average$833FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$739Average$1,072FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$939Average$1,432FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$1,145Average$1,637FlexibilityNo cancel feeOn-time67%

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