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$302+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BUH
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
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 February 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2210:10 pm
BOS
-
OTP
1 stop19h 20m
Multiple Airlines
Mon 3/91:20 pm
OTP
-
BOS
1 stop31h 45m
Multiple Airlines
Deal found 2/10$369
This Mytrip deal was found by Cheapflights users on 2/9. 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.
Mon 3/95:30 am
BOS
-
OTP
2 stops28h 20m
Multiple Airlines
Tue 3/316:55 pm
OTP
-
BOS
1 stop25h 55m
Multiple Airlines
Deal found 2/9$372
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:10 pm
BOS
-
OTP
1 stop10h 40m
SWISS
Mon 3/164:40 pm
OTP
-
BOS
1 stop34h 40m
SWISS
Deal found 2/10$376
This Mytrip deal was found by Cheapflights users on 2/9. 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.
Mon 3/911:10 pm
BOS
-
OTP
1 stop10h 40m
SWISS
Tue 3/314:10 pm
OTP
-
BOS
1 stop30h 00m
SWISS
Deal found 2/9$385
This CrystalTravel deal was found by Cheapflights users on 2/11. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:40 pm
BOS
-
OTP
1 stop20h 25m
SWISS
Wed 11/186:30 am
OTP
-
BOS
1 stop20h 50m
SWISS
Deal found 2/11$388
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:40 pm
BOS
-
OTP
1 stop10h 40m
Multiple Airlines
Wed 10/216:35 am
OTP
-
BOS
1 stop14h 15m
Multiple Airlines
Deal found 2/11$392
This KAYAK deal was found by Cheapflights users on 2/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:10 pm
BOS
-
OTP
1 stop10h 40m
SWISS
Tue 3/174:40 pm
OTP
-
BOS
1 stop34h 40m
SWISS
Deal found 2/10$394
This KAYAK deal was found by Cheapflights users on 2/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:40 pm
BOS
-
OTP
1 stop10h 40m
SWISS
Wed 11/186:30 am
OTP
-
BOS
1 stop20h 50m
SWISS
Deal found 2/11$395
This FlightHub deal was found by Cheapflights users on 2/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:40 pm
BOS
-
OTP
1 stop14h 55m
Multiple Airlines
Mon 3/161:20 pm
OTP
-
BOS
1 stop31h 45m
Multiple Airlines
Deal found 2/10$398
This Air Canada deal was found by Cheapflights users on 2/11. 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.
Tue 10/203:35 pm
BOS
-
OTP
2 stops40h 45m
Air Canada
Wed 11/186:30 am
OTP
-
BOS
2 stops20h 47m
Air Canada
Deal found 2/11$402
This FlightHub deal was found by Cheapflights users on 2/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:00 pm
BOS
-
OTP
2 stops15h 20m
Multiple Airlines
Thu 11/196:30 am
OTP
-
BOS
1 stop20h 50m
Multiple Airlines
Deal found 2/11$403

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$369
(Kiwi.com)

One-way from

$302
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$603
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 February 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 February 12, 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

Mon 3/9

5:30 am-3:50 pm

2 stops28h 20m

Bucharest Otopeni Intl

Tue 3/31

6:55 pm-1:50 pm

1 stop25h 55m

$372

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 3/10

10:50 pm-12:30 am

1 stop19h 40m

Bucharest Otopeni Intl

Tue 3/17

4:40 pm-9:20 pm

1 stop34h 40m

$394

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 3/8

7:25 pm-12:30 pm

1 stop11h 05m

Bucharest Otopeni Intl

Mon 3/16

7:10 pm-3:05 pm

1 stop25h 55m

$403

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 3/10

9:30 am-12:20 pm

2 stops20h 50m

Bucharest Otopeni Intl

Mon 3/16

7:10 pm-3:05 pm

1 stop25h 55m

$404

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 3/9

4:30 pm-6:35 pm

2 stops20h 05m

Bucharest Otopeni Intl

Mon 3/16

7:10 pm-3:05 pm

1 stop25h 55m

$404

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 3/10

7:25 pm-12:30 pm

1 stop11h 05m

Bucharest Otopeni Intl

Tue 3/17

1:05 pm-7:35 pm

1 stop12h 30m

$406

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 3/11

1:57 pm-12:20 pm

2 stops16h 23m

Bucharest Otopeni Intl

Thu 3/19

1:05 pm-7:35 pm

1 stop12h 30m

$407

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 3/11

10:35 pm-11:30 pm

1 stop18h 55m

Bucharest Otopeni Intl

Wed 3/18

3:50 pm-10:55 pm

1 stop13h 05m

$412

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 4/14

9:40 pm-1:05 am

1 stop20h 25m

Bucharest Otopeni Intl

Tue 5/19

4:10 pm-7:55 pm

1 stop34h 45m

$414

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 3/8

7:25 pm-12:30 pm

1 stop11h 05m

Bucharest Otopeni Intl

Tue 3/17

5:55 am-2:10 pm

1 stop14h 15m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 20 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub the most. FlightHub 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 February 6, 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 $366). Flying from Boston to Bucharest in February is currently the most expensive (average of $850). 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?

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 February 12, 2026.
Read through reviews of airlines operating flights from Boston to Bucharest, such as KLM, SWISS, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,451 reviews

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

Crew

8.4

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
1,451 reviews
KLM
7.7
Good
1,451 reviews

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
SWISS
7.6
Good
1,870 reviews
KLM
7.7
Good
1,451 reviews

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,281 reviews
KLM
7.7
Good
1,451 reviews

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

Crew

8.4

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
7,780 reviews
KLM
7.7
Good
1,451 reviews

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

Crew

8.4

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
7,731 reviews
KLM
7.7
Good
1,451 reviews

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

Crew

8.4

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 United Airlines can get you from Boston to Bucharest in just under 11h 05m. Your travel time can differ by up to 8h 35m. 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 41% 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 $366). Flying from Boston to Bucharest in February is currently the most expensive (average of $850). 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$371Average$441FlexibilityNo 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$675FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$479Average$828FlexibilityNo cancel feeOn-time76%
DeltaCheapest$529Average$820FlexibilityNo cancel feeOn-timeN/A

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