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$333+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BUH
Jul 6 — Jul 131
Mon 7/6
Mon 7/13
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 June 6, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/4. 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 10/1410:55 pm
BOS
-
OTP
1 stop19h 40m
Multiple Airlines
Tue 10/203:55 pm
OTP
-
BOS
1 stop36h 10m
Multiple Airlines
Deal found 6/4$475
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 10/1410:55 pm
BOS
-
OTP
1 stop19h 40m
Multiple Airlines
Wed 10/218:00 am
OTP
-
BOS
1 stop20h 05m
Multiple Airlines
Deal found 6/4$520
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 10/1111:35 pm
BOS
-
OTP
1 stop15h 25m
Multiple Airlines
Sat 10/176:20 pm
OTP
-
BOS
1 stop34h 25m
Multiple Airlines
Deal found 6/5$615
This Mytrip deal was found by Cheapflights users on 6/4. 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.
Wed 9/28:50 pm
BOS
-
OTP
3 stops35h 35m
Multiple Airlines
Tue 9/812:30 pm
OTP
-
BOS
2 stops16h 15m
Multiple Airlines
Deal found 6/4$623
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 11/109:50 pm
BOS
-
OTP
1 stop11h 00m
Multiple Airlines
Tue 11/176:55 am
OTP
-
BOS
1 stop13h 35m
Multiple Airlines
Deal found 6/4$627
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 10/149:40 pm
BOS
-
OTP
1 stop10h 40m
Multiple Airlines
Thu 10/226:55 pm
OTP
-
BOS
1 stop25h 55m
Multiple Airlines
Deal found 6/5$632
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 9/910:55 pm
BOS
-
OTP
1 stop19h 40m
Multiple Airlines
Wed 10/78:20 pm
OTP
-
BOS
2 stops31h 45m
Multiple Airlines
Deal found 6/4$633
This oojo deal was found by Cheapflights users on 6/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:05 pm
BOS
-
OTP
1 stop15h 30m
Lufthansa
Tue 8/256:15 am
OTP
-
BOS
1 stop18h 25m
Lufthansa
Deal found 6/2$647
This Cheapflightsfares deal was found by Cheapflights users on 6/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:30 pm
BOS
-
OTP
2 stops16h 00m
Austrian Airlines
Tue 11/176:55 am
OTP
-
BOS
1 stop13h 35m
Austrian Airlines
Deal found 6/4$649
This Mytrip deal was found by Cheapflights users on 6/1. 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 9/138:50 pm
BOS
-
OTP
2 stops20h 45m
Multiple Airlines
Mon 9/214:05 pm
OTP
-
BOS
3 stops33h 45m
Multiple Airlines
Deal found 6/1$653

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 June 6, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$475
(Kiwi.com)

One-way from

$333
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$882
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 ($125 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 June 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 June 6, 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

Wed 11/11

3:34 pm-2:10 pm

2 stops15h 36m

Bucharest Otopeni Intl

Wed 11/18

6:00 am-7:01 pm

1 stop20h 01m

$667
Quickest round-trip

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 9/2

8:05 pm-6:35 pm

1 stop15h 30m

Bucharest Otopeni Intl

Fri 9/11

12:45 pm-5:40 pm

1 stop11h 55m

$691

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 9/6

11:00 am-12:00 pm

2 stops18h 00m

Bucharest Otopeni Intl

Mon 9/14

6:55 pm-1:50 pm

1 stop25h 55m

$693

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 10/14

6:00 am-12:45 pm

2 stops23h 45m

Bucharest Otopeni Intl

Mon 10/19

2:00 pm-4:36 pm

1 stop33h 36m

$697

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 8/26

5:20 pm-6:35 pm

2 stops18h 15m

Bucharest Otopeni Intl

Mon 8/31

4:10 pm-7:55 pm

1 stop34h 45m

$705

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Thu 10/15

5:20 pm-1:10 am

1 stop24h 50m

Bucharest Otopeni Intl

Thu 10/22

6:20 am-3:10 pm

1 stop15h 50m

$733

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 9/21

1:25 pm-12:45 pm

2 stops16h 20m

Bucharest Otopeni Intl

Fri 10/2

7:05 am-7:08 pm

2 stops19h 03m

$737

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 8/30

5:20 pm-12:00 pm

2 stops11h 40m

Bucharest Otopeni Intl

Mon 9/14

6:55 pm-1:50 pm

1 stop25h 55m

$739

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 8/16

9:40 pm-12:00 pm

2 stops31h 20m

Bucharest Otopeni Intl

Tue 9/1

6:15 am-8:10 pm

2 stops20h 55m

$743

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 10/14

8:05 pm-6:35 pm

1 stop15h 30m

Bucharest Otopeni Intl

Sun 10/25

7:10 pm-1:02 am

2 stops35h 52m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

Showing 1-10 of 20 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 June.
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 83 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 June 6, 2026.
Read through reviews of airlines operating flights from Boston to Bucharest, such as KLM,SWISS, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,527 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,527 reviews
KLM
7.8
Good
1,527 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
SWISS
7.5
Good
1,966 reviews
KLM
7.8
Good
1,527 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,779 reviews
KLM
7.8
Good
1,527 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,039 reviews
KLM
7.8
Good
1,527 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,028 reviews
KLM
7.8
Good
1,527 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 and United Airlines can get you from Boston to Bucharest in just under 15h 30m. Your travel time can differ by up to 06m. 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 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 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 Austrian Airlines, with prices starting from $332 and $344, 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 June 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$350Average$498FlexibilityNo cancel feeOn-time78%
SWISSCheapest$372Average$600FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$401Average$552FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$405Average$663FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$415Average$650FlexibilityNo cancel feeOn-time70%
KLMCheapest$439Average$800FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$473Average$682FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$475Average$940FlexibilityNo cancel feeOn-time77%
DeltaCheapest$563Average$749FlexibilityNo cancel feeOn-timeN/A

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