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$280+ Cheap flights from Boston (BOS) to Bucharest (BUH)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BUH
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Bucharest are usually found in August or January, booked 79 days in advance, depart on a Saturday or Thursday and return on a Friday

Find flight deals from Boston to Bucharest

Cheapest flights from Boston to Bucharest
Explore the most affordable flight options available from Boston to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Air Canada deal was found by Cheapflights users on 10/29. 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.
Thu 11/66:15 amBOS - OTP
2 stops23h 15mAir Canada
Fri 11/146:30 amOTP - BOS
2 stops21h 57mAir Canada
Deal found 10/29$456
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Sat 11/89:50 pmBOS - OTP
1 stop19h 35mMultiple Airlines
Tue 12/25:55 amOTP - BOS
2 stops15h 57mMultiple Airlines
Deal found 10/28$457
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Tue 12/306:25 pmBOS - OTP
1 stop11h 05mUnited Airlines
Wed 1/72:40 pmOTP - BOS
1 stop29h 45mUnited Airlines
Deal found 10/28$458
This Iberia deal was found by Cheapflights users on 10/29. 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.
Tue 12/96:55 pmBOS - OTP
1 stop21h 00mBritish Airways
Sat 1/108:05 amOTP - BOS
1 stop20h 50mBritish Airways
Deal found 10/29$465
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/75:30 amBOS - OTP
2 stops24h 00mUnited Airlines
Thu 11/135:50 amOTP - BOS
2 stops34h 42mUnited Airlines
Deal found 10/29$466
This Ovago deal was found by Cheapflights users on 10/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:50 pmBOS - OTP
2 stops16h 55mBritish Airways
Fri 1/98:00 amOTP - BOS
1 stop18h 45mBritish Airways
Deal found 10/30$469
This Gurufare deal was found by Cheapflights users on 10/28. 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.
Sun 11/99:50 pmBOS - OTP
1 stop11h 00mMultiple Airlines
Sat 11/156:35 pmOTP - BOS
2 stops29h 41mMultiple Airlines
Deal found 10/28$471
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 11/96:25 pmBOS - OTP
1 stop11h 05mUnited Airlines
Sun 11/165:55 amOTP - BOS
2 stops25h 50mUnited Airlines
Deal found 10/30$472
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/75:30 amBOS - OTP
2 stops24h 00mUnited Airlines
Wed 11/122:40 pmOTP - BOS
2 stops25h 50mUnited Airlines
Deal found 10/29$476
This Iberia deal was found by Cheapflights users on 10/29. 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 11/93:47 pmBOS - OTP
2 stops16h 08mMultiple Airlines
Sun 11/167:35 amOTP - BOS
2 stops18h 12mMultiple Airlines
Deal found 10/29$480
This United deal was found by Cheapflights users on 10/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:38 pmBOS - OTP
2 stops21h 12mMultiple Airlines
Tue 11/115:55 amOTP - BOS
2 stops34h 37mMultiple Airlines
Deal found 10/28$483

Cheap flight deals from Boston to Bucharest

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Bucharest (BUH). 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 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$457
(Delta)

One-way from

$280
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$589
Provider with most accurate pricing for Boston Logan Intl-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Bucharest (BUH) flights.
Search Deals
From Boston Logan Intl to Bucharest (BUH)
Search Deals
One-way flight from Boston Logan Intl to Bucharest (BUH)
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($188 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($37 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 Bucharest 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 30, 2025.
Use the filters below to find and compare flights from Boston to Bucharest that are best for you.

Fly from

Boston

Fly to

Bucharest

Route

Depart

Return

Price

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 11/9

8:59 pm-10:50 pm

2 stops18h 51m

Bucharest Otopeni Intl

Sun 11/16

1:55 pm-1:20 pm

1 stop30h 25m

$457

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 11/10

1:30 pm-6:25 pm

2 stops21h 55m

Bucharest Otopeni Intl

Sun 11/16

6:55 am-2:05 pm

1 stop14h 10m

$457

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 11/11

1:25 pm-12:30 pm

2 stops16h 05m

Bucharest Otopeni Intl

Sun 11/16

6:55 am-2:05 pm

1 stop14h 10m

$457

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 12/9

6:55 pm-10:55 pm

1 stop21h 00m

Bucharest Otopeni Intl

Sat 1/10

8:05 am-9:55 pm

1 stop20h 50m

$465

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 11/9

9:50 pm-3:50 pm

1 stop11h 00m

Bucharest Otopeni Intl

Sun 11/16

6:05 am-1:25 pm

2 stops14h 20m

$470

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 11/9

5:30 am-6:25 pm

2 stops29h 55m

Bucharest Otopeni Intl

Sun 11/16

5:55 am-12:45 am

2 stops25h 50m

$493

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 11/9

4:20 pm-6:25 pm

1 stop19h 05m

Bucharest Otopeni Intl

Sat 11/15

5:55 am-8:20 pm

2 stops45h 25m

$499

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sat 4/4

6:40 pm-1:05 pm

2 stops35h 25m

Bucharest Otopeni Intl

Sat 4/11

1:50 pm-4:00 pm

1 stop33h 10m

$500

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sat 4/4

9:50 pm-12:30 am

1 stop19h 40m

Bucharest Otopeni Intl

Sat 4/11

8:25 am-8:05 pm

1 stop18h 40m

$515

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Thu 1/1

6:55 pm-3:45 pm

1 stop13h 50m

Bucharest Otopeni Intl

Sat 1/10

8:05 am-9:55 pm

1 stop20h 50m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 15 results
1
2

Compare providers for flights from Boston to Bucharest

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 Bucharest in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*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-Bucharest flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Bucharest flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Bucharest flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Bucharest 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-Bucharest 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 Bucharest

Have a flexible travel schedule? Discover the best time to fly to Bucharest 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 Bucharest

How far ahead should I book a flight from Boston to Bucharest?

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

The best time to book flights from Boston to Bucharest is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boston to Bucharest?

Currently, March is the cheapest month in which you can book a flight from Boston to Bucharest (average of $359). Flying from Boston to Bucharest in June is currently the most expensive (average of $620). 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 BUH?

Find hourly flight availability from Boston to Bucharest. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from Boston to Bucharest at noon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Boston to Bucharest?

What’s the top layover airport for flights from Boston to Bucharest?

Share of 1-stop round-trip flights from Boston to Bucharest chosen by Cheapflights users in the past 12 months, using the same layover each way.

Paris (CDG) – chosen by Cheapflights users on 50% of 1-stop itineraries from Boston to Bucharest on Cheapflights.

What’s the cheapest layover airport for flights from Boston to Bucharest?

Average round-trip fare for 1-stop flights from Boston to Bucharest, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Paris (CDG) is the most affordable 1-stop option, with an average round-trip price of $451.

What’s the fastest layover option from Boston to Bucharest?

Shortest average travel time for 1-stop one-way flights from Boston to Bucharest, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Istanbul (IST) have the shortest average one-way travel time for 1-stop routes: 11h 40m.

Which airport typically offers the quickest layover for flights from Boston to Bucharest?

Average layover duration for 1-stop one-way flights from Boston to Bucharest, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Istanbul (IST) offer the fastest connection on this route, with an average layover time of 3h 05m.

Reviews of airlines servicing Bucharest

Get insights into the airlines that provide service to Bucharest. 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 Bucharest. Reviews last updated October 30, 2025.
Read through reviews of airlines operating flights from Boston to Bucharest, such as KLM, SWISS, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
SWISS
7.5
Good
1,775 reviews
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Turkish Airlines
7.3
Good
4,031 reviews
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,541 reviews
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,487 reviews
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Boston to Bucharest. 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 Bucharest?

    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 Bucharest. 9 airlines have flights from Logan Intl to Bucharest on a regular basis. Booking flights from Boston Logan Intl to Bucharest should not be difficult; the airport handles an average of 0 outbound flights to Bucharest per day.

  • How long is the flight from Boston to Bucharest?

    Delta, Austrian Airlines, and British Airways can get you from Boston to Bucharest in just under 18h 51m. Your travel time can differ by up to 3h 04m. There are 4553 mi between Boston and Bucharest. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Boston to Bucharest round-trip?

    Our cheapest airline available from Boston to Bucharest is SWISS. Our recent data shows that you can find tickets from as low as $371 on this airline. Additional options worth looking into are Scandinavian Airlines and Air France, starting at $409 and $426 round-trip. You may be able to fly from Boston to Bucharest for 45% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Bucharest 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 Bucharest?

    Currently, March is the cheapest month in which you can book a flight from Boston to Bucharest (average of $359). Flying from Boston to Bucharest in June is currently the most expensive (average of $620). 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 Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

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Top 9 airlines flying from Boston to Bucharest

Discover the top 9 airlines that operate flights from Boston to Bucharest. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$371Average$603FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$409Average$534FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$426Average$547FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$493Average$616FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$501Average$698FlexibilityNo cancel feeOn-time70%
DeltaCheapest$512Average$820FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$521Average$757FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$536Average$849FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$649Average$864FlexibilityNo cancel feeOn-time69%

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