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$265+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BUH
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
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 January 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Tue 3/315:10 pm
BOS
-
OTP
1 stop17h 55m
Austrian Airlines
Wed 4/226:35 am
OTP
-
BOS
1 stop14h 15m
Austrian Airlines
Deal found 1/20$361
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/110:10 pm
BOS
-
OTP
1 stop19h 20m
Multiple Airlines
Tue 2/176:55 am
OTP
-
BOS
1 stop14h 10m
Multiple Airlines
Deal found 1/20$362
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Wed 2/189:50 pm
BOS
-
OTP
1 stop19h 35m
SWISS
Wed 2/256:30 am
OTP
-
BOS
1 stop20h 50m
SWISS
Deal found 1/20$381
This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:00 pm
BOS
-
OTP
2 stops16h 00m
Multiple Airlines
Wed 4/226:35 am
OTP
-
BOS
1 stop14h 15m
Multiple Airlines
Deal found 1/20$384
This Mytrip deal was found by Cheapflights users on 1/20. 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 2/110:10 pm
BOS
-
OTP
1 stop19h 20m
SWISS
Tue 2/174:40 pm
OTP
-
BOS
1 stop34h 40m
SWISS
Deal found 1/20$388
This SWISS deal was found by Cheapflights users on 1/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/179:50 pm
BOS
-
OTP
1 stop19h 40m
SWISS
Tue 2/244:40 pm
OTP
-
BOS
1 stop34h 40m
SWISS
Deal found 1/20$392
This CheapOair deal was found by Cheapflights users on 1/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/286:40 pm
BOS
-
OTP
2 stops37h 40m
Multiple Airlines
Tue 4/146:20 am
OTP
-
BOS
1 stop16h 10m
Multiple Airlines
Deal found 1/20$397
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:30 am
BOS
-
OTP
2 stops27h 15m
Air Canada
Tue 2/246:30 am
OTP
-
BOS
2 stops20h 12m
Air Canada
Deal found 1/20$399
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/287:55 pm
BOS
-
OTP
2 stops36h 25m
Multiple Airlines
Wed 4/154:10 pm
OTP
-
BOS
1 stop34h 45m
Multiple Airlines
Deal found 1/20$400
This Air France deal was found by Cheapflights users on 1/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/168:35 pm
BOS
-
OTP
1 stop16h 35m
Air France
Wed 2/256:05 am
OTP
-
BOS
1 stop14h 35m
Air France
Deal found 1/20$401
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/168:35 pm
BOS
-
OTP
1 stop19h 15m
Delta
Thu 2/266:05 am
OTP
-
BOS
1 stop17h 15m
Delta
Deal found 1/20$402

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 January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$361
(Kiwi.com)

One-way from

$265
(United Airlines)

Popular in

June

Cheapest in

December

Average price

$600
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. 16% potential increase in price ($129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 22, 2026.
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

Tue 2/17

9:50 pm-12:30 am

1 stop19h 40m

Bucharest Otopeni Intl

Tue 2/24

4:40 pm-8:20 pm

1 stop34h 40m

$392

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 2/17

9:50 pm-12:30 am

1 stop19h 40m

Bucharest Otopeni Intl

Wed 2/25

6:30 am-8:20 pm

1 stop20h 50m

$392

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 2/16

8:35 pm-10:50 pm

1 stop19h 15m

Bucharest Otopeni Intl

Fri 2/27

6:05 am-4:20 pm

1 stop17h 15m

$402

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 2/17

6:00 pm-10:50 pm

2 stops21h 50m

Bucharest Otopeni Intl

Thu 2/26

6:05 am-1:40 pm

1 stop14h 35m

$406

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 2/17

10:03 am-12:05 pm

2 stops19h 02m

Bucharest Otopeni Intl

Fri 2/27

6:05 am-1:40 pm

1 stop14h 35m

$406

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Fri 2/20

1:55 pm-5:50 pm

2 stops20h 55m

Bucharest Otopeni Intl

Fri 2/27

6:55 am-2:05 pm

1 stop14h 10m

$453

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 5/18

5:45 pm-4:20 pm

1 stop15h 35m

Bucharest Otopeni Intl

Thu 5/28

4:10 pm-3:30 pm

1 stop30h 20m

$467

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 5/17

5:05 pm-1:10 am

2 stops25h 05m

Bucharest Otopeni Intl

Thu 6/11

6:15 am-5:40 pm

1 stop18h 25m

$471

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 5/17

5:05 pm-1:10 am

2 stops25h 05m

Bucharest Otopeni Intl

Fri 6/5

6:15 am-5:40 pm

1 stop18h 25m

$471

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 7/19

5:05 pm-12:00 pm

2 stops11h 55m

Bucharest Otopeni Intl

Thu 8/13

6:15 am-5:40 pm

1 stop18h 25m

$473

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 16 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Bucharest flight deals on Cheapflights vs. FlightHub >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 Expedia the most. Expedia 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 January 16, 2026.

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 $371). Flying from Boston to Bucharest in February is currently the most expensive (average of $656). 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.

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 January 22, 2026.
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
1,442 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,442 reviews
KLM
7.7
Good
1,442 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
SWISS
7.5
Good
1,856 reviews
KLM
7.7
Good
1,442 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Turkish Airlines
7.3
Good
4,199 reviews
KLM
7.7
Good
1,442 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,744 reviews
KLM
7.7
Good
1,442 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,690 reviews
KLM
7.7
Good
1,442 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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. 8 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?

    SWISS and Delta can get you from Boston to Bucharest in just under 19h 15m. Your travel time can differ by up to 25m. 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 Air France and British Airways, starting at $401 and $415 round-trip. You may be able to fly from Boston to Bucharest for 43% 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 Turkish Airlines, with prices starting from $332 and $340, 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 $371). Flying from Boston to Bucharest in February is currently the most expensive (average of $656). 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 8 airlines flying from Boston to Bucharest

Discover the top 8 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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$371Average$555FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$401Average$536FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$415Average$699FlexibilityNo cancel feeOn-time70%
KLMCheapest$439Average$820FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$456Average$864FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$475Average$655FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$482Average$843FlexibilityNo cancel feeOn-time76%
DeltaCheapest$512Average$779FlexibilityNo cancel feeOn-timeN/A

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