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$457+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FRA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 45 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

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 June 12, 2025.

Round-trip from

$525
(FlightHub)

One-way from

$457
(WestJet)

Popular in

April

Cheapest in

May

Average price

$825

Good round-trip deal

$658 or less

Good one-way deal

$480 or less
From Boston Logan Intl to Frankfurt am Main
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One-way flight from Boston Logan Intl to Frankfurt am Main
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Highest demand for flights based on searches. 5% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Frankfurt am Main.
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Price to beat on a one-way flight from Boston Logan Intl to Frankfurt am Main.
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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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/12. 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 11/96:05 pmBOS - FRA
1 stop22h 35mTAP AIR PORTUGAL
Sun 11/236:00 amFRA - BOS
1 stop20h 10mTAP AIR PORTUGAL
Deal found 6/12$519
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 11/105:35 pmBOS - FRA
1 stop14h 55mScandinavian Airlines
Wed 11/193:15 pmFRA - BOS
1 stop30h 35mScandinavian Airlines
Deal found 6/10$522
This FlightHub deal was found by Cheapflights users on 6/12. 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 8/199:25 pmBOS - FRA
1 stop16h 30mAer Lingus
Tue 9/2310:55 amFRA - BOS
1 stop13h 50mAer Lingus
Deal found 6/12$530
This Gotogate deal was found by Cheapflights users on 6/11. 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 8/54:00 pmBOS - FRA
Nonstop7h 15mCondor
Mon 8/2511:40 amFRA - BOS
Nonstop8h 15mCondor
Deal found 6/11$569
This Booking.com deal was found by Cheapflights users on 6/10. 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.
Tue 7/2911:35 pmBOS - FRA
1 stop24h 25mIcelandair
Mon 1/191:05 pmFRA - BOS
1 stop10h 40mIcelandair
Deal found 6/10$573
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:08 pmBOS - FRA
1 stop33h 42mIberia
Wed 11/1910:55 amFRA - BOS
1 stop34h 12mIberia
Deal found 6/10$596
This Gotogate deal was found by Cheapflights users on 6/11. 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 11/113:20 pmBOS - FRA
1 stop10h 05mMultiple Airlines
Tue 11/259:50 amFRA - BOS
2 stops16h 28mMultiple Airlines
Deal found 6/11$598
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 8/177:30 pmBOS - FRA
1 stop20h 55mAmerican Airlines
Tue 12/164:20 pmFRA - BOS
1 stop11h 35mAmerican Airlines
Deal found 6/10$617
This Lufthansa deal was found by Cheapflights users on 6/10. 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 11/104:15 pmBOS - FRA
Nonstop7h 15mLufthansa
Fri 11/2111:05 amFRA - BOS
Nonstop8h 20mLufthansa
Deal found 6/10$639
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 12/36:00 amBOS - FRA
1 stop19h 25mUnited Airlines
Tue 12/911:05 amFRA - BOS
Nonstop8h 20mUnited Airlines
Deal found 6/11$640
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:40 amBOS - FRA
2 stops14h 45mAir Canada
Tue 12/99:45 amFRA - BOS
1 stop10h 53mAir Canada
Deal found 6/11$646

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 June 12, 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 11/9

6:05 pm-10:40 pm

1 stop22h 35m

Frankfurt am Main

Sun 11/23

6:00 am-8:10 pm

1 stop20h 10m

$519

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Mon 11/10

5:35 pm-2:30 pm

1 stop14h 55m

Frankfurt am Main

Wed 11/19

3:15 pm-3:50 pm

1 stop30h 35m

$522

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Tue 8/19

9:25 pm-7:55 pm

1 stop16h 30m

Frankfurt am Main

Tue 9/23

10:55 am-6:45 pm

1 stop13h 50m

$530

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Tue 8/5

4:00 pm-5:15 am

Nonstop7h 15m

Frankfurt am Main

Mon 8/25

11:40 am-1:55 pm

Nonstop8h 15m

$569

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Tue 7/29

11:35 pm-6:00 am

1 stop24h 25m

Frankfurt am Main

Mon 1/19

1:05 pm-5:45 pm

1 stop10h 40m

$573

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Sun 11/9

5:08 pm-8:50 am

1 stop33h 42m

Frankfurt am Main

Wed 11/19

10:55 am-3:07 pm

1 stop34h 12m

$596

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Tue 11/11

3:20 pm-7:25 am

1 stop10h 05m

Frankfurt am Main

Tue 11/25

9:50 am-8:18 pm

2 stops16h 28m

$598

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Sun 8/17

7:30 pm-10:25 pm

1 stop20h 55m

Frankfurt am Main

Tue 12/16

4:20 pm-9:55 pm

1 stop11h 35m

$617

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Sun 8/17

5:50 pm-6:55 am

Nonstop7h 05m

Frankfurt am Main

Tue 12/16

11:05 am-1:25 pm

Nonstop8h 20m

$638

BostonFrankfurt am Main

BOS - FRA

BOSFRA

Boston Logan Intl

Wed 12/3

6:00 am-7:25 am

1 stop19h 25m

Frankfurt am Main

Tue 12/9

11:05 am-1:25 pm

Nonstop8h 20m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 29 results
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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

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 June 9, 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 45 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, January is the cheapest month in which you can book a flight from Boston to Frankfurt am Main Airport (average of $729). Flying from Boston to Frankfurt am Main Airport in June is currently the most expensive (average of $1,088). 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 June 12, 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 40% 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. 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 Frankfurt am Main Airport

Explore weekly flight availability from Boston to Frankfurt. 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 June 12, 2025.

The most flights from BOS to FRA 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 (9 on average).

Rainfall in Frankfurt by month

Plan your trip to Frankfurt by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Frankfurt am Main Airport 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 Frankfurt am Main Airport when rainfall is around 1.6 in.

Temperature in Frankfurt by month

Plan your trip to Frankfurt by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Frankfurt am Main Airport, 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 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 June 12, 2025.
Read through reviews of airlines operating flights from Boston to Frankfurt am Main, such as Delta, Azores Airlines and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Cathay Pacific
7.6
Good
892 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection 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. 13 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 10 outbound flights to Frankfurt am Main per day.

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

    TAP AIR PORTUGAL, at $525, was found to be the cheapest airline from Boston to Frankfurt am Main Airport.Alternate airlines to your destination round-trip include Condor and Aer Lingus. TAP AIR PORTUGAL is currently priced 35% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Boston to Frankfurt am Main Airport one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $457. Users have also found prices from $460 and $464 on Lufthansa and ITA Airways, respectively.

  • 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 (73%), Air Canada (64%) and Brussels Airlines (64%).

  • 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 $3,487, our data shows the cheapest flight currently is $335. When looking at the most popular route, (Boston Logan Intl - Frankfurt am Main), you can expect to pay $422 for that flight.

  • Where are the most common layover locations when flying from Boston to Frankfurt am Main Airport?

    Most of the time, Boston to Frankfurt am Main Airport flights that have layovers will stop in Reykjavik.

  • What are some popular things to do or see while on a layover in Reykjavik?

    Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are currently the most popular points of interest in Reykjavik at the moment. Those on a layover in Reykjavik interested in visiting Hallgrímskirkja, Harpa, or Laugardalslaug Geothermal Pool can do so by traveling 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Those landing in Reykjavik looking to spend some time exploring during their layover can rent a car for about $66 per day.

  • Where are the least popular layover locations for Boston to Frankfurt am Main Airport flights?

    Boston to Frankfurt am Main Airport flights have a layover in Dublin least often.

  • 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, January is the cheapest month in which you can book a flight from Boston to Frankfurt am Main Airport (average of $729). Flying from Boston to Frankfurt am Main Airport in June is currently the most expensive (average of $1,088). 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 Boston?

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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.
Boston to Frankfurt-Hahn flights
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
CondorCheapest$458Average$713FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$465Average$664FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$526Average$703FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$547Average$658FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$561Average$656FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$578Average$1,451FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$617Average$945FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$645Average$1,228FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$646Average$1,006FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$650Average$708FlexibilityNo cancel feeOn-time77%

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