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Cheap flights from Boston to Bucharest from $245

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Bucharest departing on 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Delta Logo
8:50 pm - 1:00 pmBOS-OTP
33h 10m1 stop
Delta Logo
6:00 am - 1:20 pmOTP-BOS
14h 20m1 stop
$439Delta
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Wed, Nov 19 - Fri, Nov 28
Delta Logo
9:59 am - 5:10 pmBOS-OTP
24h 11m2 stops
Delta Logo
6:00 am - 1:20 pmOTP-BOS
14h 20m1 stop
$444Delta
Find Deal
Wed, Nov 19 - Fri, Nov 28
United Airlines Logo
6:40 pm - 1:55 pmBOS-OTP
36h 15m2 stops
United Airlines Logo
2:50 pm - 9:27 pmOTP-BOS
37h 37m2 stops
$446United Airlines
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Mon, Dec 1 - Mon, Mar 2
United Airlines Logo
3:40 pm - 1:55 pmBOS-OTP
15h 15m2 stops
United Airlines Logo
2:50 pm - 1:10 pmOTP-BOS
29h 20m1 stop
$448United Airlines
Find Deal
Tue, Dec 2 - Mon, Mar 2
British Airways Logo
7:30 am - 7:30 pmBOS-OTP
29h 00m1 stop
British Airways Logo
8:00 am - 9:55 pmOTP-BOS
20h 55m1 stop
$449British Airways
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Thu, Dec 4 - Tue, Mar 3
British Airways Logo
7:15 pm - 3:30 pmBOS-OTP
13h 15m1 stop
British Airways Logo
4:00 pm - 2:20 pmOTP-BOS
29h 20m1 stop
$471British Airways
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Mon, Dec 1 - Mon, Mar 2
Lufthansa Logo
8:40 pm - 11:50 pmBOS-OTP
20h 10m2 stops
Lufthansa Logo
6:05 am - 6:35 pmOTP-BOS
19h 30m1 stop
$483Lufthansa
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Fri, Nov 28 - Wed, Mar 4
SWISS Logo
9:50 pm - 12:30 amBOS-OTP
19h 40m1 stop
SWISS Logo
6:30 am - 8:20 pmOTP-BOS
20h 50m1 stop
$485SWISS
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Sun, Nov 9 - Sun, Nov 16
SWISS Logo
10:10 pm - 12:30 amBOS-OTP
19h 20m1 stop
SWISS Logo
4:40 pm - 8:00 pmOTP-BOS
34h 20m1 stop
$491SWISS
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Fri, Nov 28 - Sun, Mar 1
Lufthansa Logo
4:20 pm - 12:20 pmBOS-OTP
13h 00m2 stops
Lufthansa Logo
6:05 am - 1:25 pmOTP-BOS
14h 20m2 stops
$497Lufthansa
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Wed, Nov 19 - Fri, Nov 28

United Airlines flights from Boston to Bucharest

Our best United Airlines deals on Boston to Bucharest flight tickets
United Airlines
Dec 1
BOS6:40 pmBoston Logan Intl
36h 15m
2 stops
OTP1:55 pmBucharest Otopeni Intl
Mar 2
OTP2:50 pmBucharest Otopeni Intl
37h 37m
2 stops
BOS9:27 pmBoston Logan Intl
$446
Find similar
United Airlines
Dec 2
BOS3:40 pmBoston Logan Intl
15h 15m
2 stops
OTP1:55 pmBucharest Otopeni Intl
Mar 2
OTP2:50 pmBucharest Otopeni Intl
29h 20m
1 stop
BOS1:10 pmBoston Logan Intl
$448
Find similar
United Airlines
Dec 2
BOS3:40 pmBoston Logan Intl
15h 15m
2 stops
OTP1:55 pmBucharest Otopeni Intl
Mar 1
OTP2:50 pmBucharest Otopeni Intl
35h 22m
2 stops
BOS7:12 pmBoston Logan Intl
$496
Find similar

Air Canada flights from Boston to Bucharest

Our best Air Canada deals on Boston to Bucharest flight tickets
Air Canada
Dec 3
BOS6:15 amBoston Logan Intl
26h 35m
2 stops
OTP3:50 pmBucharest Otopeni Intl
Mar 2
OTP6:30 amBucharest Otopeni Intl
19h 42m
2 stops
BOS7:12 pmBoston Logan Intl
$447
Find similar
Air Canada
Dec 4
BOS5:30 amBoston Logan Intl
27h 20m
2 stops
OTP3:50 pmBucharest Otopeni Intl
Mar 3
OTP5:55 amBucharest Otopeni Intl
15h 57m
2 stops
BOS2:52 pmBoston Logan Intl
$452
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momondo 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
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

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 11/19

8:50 pm-1:00 pm

1 stop33h 10m

Bucharest Otopeni Intl

Fri 11/28

6:00 am-1:20 pm

1 stop14h 20m

$439

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 11/19

9:59 am-5:10 pm

2 stops24h 11m

Bucharest Otopeni Intl

Fri 11/28

6:00 am-1:20 pm

1 stop14h 20m

$444

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 12/1

6:40 pm-1:55 pm

2 stops36h 15m

Bucharest Otopeni Intl

Mon 3/2

2:50 pm-9:27 pm

2 stops37h 37m

$446

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 12/2

3:40 pm-1:55 pm

2 stops15h 15m

Bucharest Otopeni Intl

Mon 3/2

2:50 pm-1:10 pm

1 stop29h 20m

$448

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Thu 12/4

7:30 am-7:30 pm

1 stop29h 00m

Bucharest Otopeni Intl

Tue 3/3

8:00 am-9:55 pm

1 stop20h 55m

$449

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 12/1

7:15 pm-3:30 pm

1 stop13h 15m

Bucharest Otopeni Intl

Mon 3/2

4:00 pm-2:20 pm

1 stop29h 20m

$471

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Fri 11/28

8:40 pm-11:50 pm

2 stops20h 10m

Bucharest Otopeni Intl

Wed 3/4

6:05 am-6:35 pm

1 stop19h 30m

$483

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 11/9

9:50 pm-12:30 am

1 stop19h 40m

Bucharest Otopeni Intl

Sun 11/16

6:30 am-8:20 pm

1 stop20h 50m

$485

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Fri 11/28

10:10 pm-12:30 am

1 stop19h 20m

Bucharest Otopeni Intl

Sun 3/1

4:40 pm-8:00 pm

1 stop34h 20m

$491

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 11/19

4:20 pm-12:20 pm

2 stops13h 00m

Bucharest Otopeni Intl

Fri 11/28

6:05 am-1:25 pm

2 stops14h 20m

$497

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bucharest from

How to get the cheapest flight ticket from Boston to Bucharest

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and Bucharest?

What is the cheapest month to fly to Bucharest?

In general, August is the cheapest month to fly from Boston to Bucharest. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $560. If you aren’t able to travel to Bucharest during the month of August, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $575.

What is the cheapest day to depart on your flight to Bucharest?

Our data shows that Saturday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $706. The most expensive day to fly to Bucharest is Monday, with ticket prices averaging around $959.

What is the cheapest time of day to depart on your flight to Bucharest?

According to our data, the cheapest time of day to fly to Bucharest is in the morning. momondo users have found flights departing from Boston to Bucharest in the morning for as low as $683. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Bucharest is in the afternoon when prices are around $935.

How far in advance should I book a flight to Bucharest?

You are more likely to see cheaper flights to Bucharest from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around $720 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from Boston for as low as $491 on momondo.

How have Boston to Bucharest flight prices changed over time?

As of November 2025, prices for Boston to Bucharest flights are approximately 17% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Bucharest

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Bucharest according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Bucharest (BOS to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Bucharest

Direct flights

None
There are no direct flights from Boston to Bucharest. There are no popular flight routes from Boston to Bucharest.
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  • How far is Boston Logan Intl to Bucharest by plane?

    Boston Logan Intl and Bucharest are 4560.4 mi apart from one another. 11h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Bucharest?

    Prices for flights from Boston Logan Intl Airport to Bucharest refresh daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Bucharest?

  • How old do you have to be to fly from Boston Logan Intl Airport to Bucharest?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Bucharest.

  • What documentation or ID do you need to fly to Bucharest?

    The travel and health documents required for your trip to Bucharest can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bucharest. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Boston to Bucharest?

Best airlines flying from Boston to Bucharest

Compare and see reviews for airlines that fly from Boston to Bucharest with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom $371Free CancellationRating
7.5
1,779 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom $409Free CancellationRating
7.4
1,564 reviews
Search Scandinavian Airlines flights
Air FrancePriceFrom $426Free CancellationRating
7.4
1,484 reviews
Search Air France flights
Turkish AirlinesPriceFrom $486Free CancellationRating
7.3
4,032 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $501Free CancellationRating
6.7
7,500 reviews
Search British Airways flights
DeltaPriceFrom $512Free CancellationRating
7.9
8,001 reviews
Search Delta flights
KLMPriceFrom $521Free CancellationRating
7.7
1,405 reviews
Search KLM flights
LufthansaPriceFrom $551Free CancellationRating
6.8
7,558 reviews
Search Lufthansa flights
United AirlinesPriceFrom $649Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights

Traveling to a place near Bucharest?

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

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Bucharest?

Finding the right flight to Bucharest from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bucharest quick and easy, saving you time and money.

Can I find flights from Boston to Bucharest with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Bucharest from Boston with this policy.

How can momondo help me find flights from Boston to Bucharest?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Bucharest.

I’m not ready to book a flight from Boston to Bucharest right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to Bucharest now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bucharest and let you know when they change.

An easier way to manage your Bucharest trip

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Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest
Bucharest Otopeni Intl Airport