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$298+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BUH
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
1 adult, Economy
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Cheap 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 May 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:35 pm
BOS
-
OTP
2 stops34h 50m
Multiple Airlines
Sun 10/412:10 pm
OTP
-
BOS
1 stop16h 35m
Multiple Airlines
Deal found 5/19$566
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:55 pm
BOS
-
OTP
1 stop16h 05m
Multiple Airlines
Wed 10/215:45 am
OTP
-
BOS
2 stops22h 20m
Multiple Airlines
Deal found 5/21$582
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:35 pm
BOS
-
OTP
2 stops30h 20m
Multiple Airlines
Sat 9/196:20 pm
OTP
-
BOS
1 stop34h 25m
Multiple Airlines
Deal found 5/20$584
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:35 pm
BOS
-
OTP
1 stop19h 00m
Multiple Airlines
Wed 9/235:45 am
OTP
-
BOS
2 stops22h 20m
Multiple Airlines
Deal found 5/17$585
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:35 pm
BOS
-
OTP
1 stop15h 25m
Multiple Airlines
Sat 9/268:20 pm
OTP
-
BOS
2 stops32h 25m
Multiple Airlines
Deal found 5/17$594
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:35 pm
BOS
-
OTP
1 stop15h 25m
Multiple Airlines
Wed 10/215:45 am
OTP
-
BOS
2 stops22h 20m
Multiple Airlines
Deal found 5/21$610
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:28 pm
BOS
-
OTP
2 stops20h 37m
Austrian Airlines
Fri 9/116:35 am
OTP
-
BOS
1 stop14h 15m
Austrian Airlines
Deal found 5/17$621

Find 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 May 21, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$566
(Kiwi.com)

One-way from

$334
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$619
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. 17% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 21, 2026.
Use the filters below to find and compare flights from Boston to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 8/16

8:05 pm-6:35 pm

1 stop15h 30m

Bucharest Otopeni Intl

Tue 9/1

6:55 pm-1:50 pm

1 stop25h 55m

$688

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 8/17

8:05 pm-6:35 pm

1 stop15h 30m

Bucharest Otopeni Intl

Mon 8/24

6:15 am-7:19 pm

2 stops20h 04m

$721

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Thu 8/20

8:05 pm-6:35 pm

1 stop15h 30m

Bucharest Otopeni Intl

Mon 9/7

6:55 pm-1:50 pm

1 stop25h 55m

$738

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 8/10

5:10 pm-1:40 pm

1 stop13h 30m

Bucharest Otopeni Intl

Sun 8/16

6:00 am-1:39 pm

1 stop14h 39m

$753

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 8/16

12:25 pm-1:40 pm

2 stops18h 15m

Bucharest Otopeni Intl

Tue 9/1

2:00 pm-1:06 am

2 stops18h 06m

$782

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 8/11

12:25 pm-1:40 pm

2 stops18h 15m

Bucharest Otopeni Intl

Tue 8/18

2:00 pm-1:25 am

2 stops18h 25m

$782

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sat 8/8

5:10 pm-1:40 pm

1 stop13h 30m

Bucharest Otopeni Intl

Sat 8/15

6:00 am-1:39 pm

1 stop14h 39m

$803

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 8/10

8:05 pm-6:35 pm

1 stop15h 30m

Bucharest Otopeni Intl

Sun 8/16

6:15 am-5:40 pm

1 stop18h 25m

$826
Quickest round-trip

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 8/5

10:00 pm-6:35 pm

2 stops13h 35m

Bucharest Otopeni Intl

Fri 8/28

12:45 pm-7:55 pm

2 stops14h 10m

$856
Cheapest one-way

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 9/15

8:50 pm-2:00 am

3 stops22h 10m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 19 resultsSorted by cheapest first
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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Boston-Bucharest flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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

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 $350). Flying from Boston to Bucharest in June is currently the most expensive (average of $503). 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.

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

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

The best time to book flights from Boston to Bucharest is 85 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.

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 May 21, 2026.
Read through reviews of airlines operating flights from Boston to Bucharest, such as SWISS,Air France, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,954 reviews

Crew

8.3

Comfort

7.4

Entertainment

6.8

Overall

7.5

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
SWISS
7.5
Good
1,954 reviews
SWISS
7.5
Good
1,954 reviews

Crew

8.3

Comfort

7.4

Entertainment

6.8

Overall

7.5

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
Air France
7.4
Good
1,589 reviews
SWISS
7.5
Good
1,954 reviews

Crew

8.3

Comfort

7.4

Entertainment

6.8

Overall

7.5

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
United Airlines
7.4
Good
9,746 reviews
SWISS
7.5
Good
1,954 reviews

Crew

8.3

Comfort

7.4

Entertainment

6.8

Overall

7.5

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
Lufthansa
6.8
Okay
8,018 reviews
SWISS
7.5
Good
1,954 reviews

Crew

8.3

Comfort

7.4

Entertainment

6.8

Overall

7.5

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
British Airways
6.7
Okay
7,991 reviews
SWISS
7.5
Good
1,954 reviews

Crew

8.3

Comfort

7.4

Entertainment

6.8

Overall

7.5

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.

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?

    United Airlines can get you from Boston to Bucharest in just under 15h 30m. Your travel time can differ by up to . There are 4553 mi between Boston and Bucharest.

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

    Our cheapest airline available from Boston to Bucharest is Austrian Airlines. Our recent data shows that you can find tickets from as low as $350 on this airline. Additional options worth looking into are SWISS and Air France, starting at $372 and $401 round-trip. You may be able to fly from Boston to Bucharest for 42% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Boston to Bucharest one-way?

    $327 is the cheapest one-way deal found within the past few days, from SWISS. You may also be able to find cheap deals on Air France and Lufthansa, with prices starting from $332 and $363, respectively.

  • 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 $350). Flying from Boston to Bucharest in June is currently the most expensive (average of $503). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Boston to Bucharest

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Otopeni Intl flights
Boston to Iaşi flights
Boston to Timisoara flights

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 May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$350Average$498FlexibilityNo cancel feeOn-time78%
SWISSCheapest$372Average$603FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$401Average$468FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$415Average$646FlexibilityNo cancel feeOn-time70%
KLMCheapest$439Average$849FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$456Average$864FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$473Average$692FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$475Average$908FlexibilityNo cancel feeOn-time77%
DeltaCheapest$529Average$862FlexibilityNo cancel feeOn-timeN/A

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