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Cheap flights from Boston to Bucharest from $313

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 4/15. 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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Find the cheapest flights from Boston to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:10 pm - 3:50 pm
BOS
-
OTP
10h 40m1 stop
Multiple Airlines Logo
6:55 am - 5:14 pm
OTP
-
BOS
17h 19m2 stops
$364Multiple Airlines
Mon, Jan 12 - Fri, Jan 23
Multiple Airlines Logo
5:10 pm - 12:25 pm
BOS
-
OTP
12h 15m1 stop
Multiple Airlines Logo
2:35 pm - 7:55 pm
OTP
-
BOS
12h 20m1 stop
$378Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
5:10 pm - 12:25 pm
BOS
-
OTP
12h 15m1 stop
Multiple Airlines Logo
2:35 pm - 7:55 pm
OTP
-
BOS
12h 20m1 stop
$380Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
SWISS Logo
10:10 pm - 3:50 pm
BOS
-
OTP
10h 40m1 stop
SWISS Logo
6:30 am - 8:00 pm
OTP
-
BOS
20h 30m1 stop
$382SWISS
Mon, Jan 12 - Fri, Jan 23
Multiple Airlines Logo
5:10 pm - 9:05 am
BOS
-
OTP
32h 55m1 stop
Multiple Airlines Logo
6:35 am - 6:07 pm
OTP
-
BOS
18h 32m2 stops
$383Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
5:10 pm - 6:05 pm
BOS
-
OTP
17h 55m1 stop
Multiple Airlines Logo
6:30 am - 5:57 pm
OTP
-
BOS
18h 27m2 stops
$387Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
5:10 pm - 12:25 pm
BOS
-
OTP
12h 15m1 stop
Multiple Airlines Logo
6:35 am - 6:07 pm
OTP
-
BOS
18h 32m2 stops
$390Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
5:10 pm - 6:05 pm
BOS
-
OTP
17h 55m1 stop
Multiple Airlines Logo
2:35 pm - 7:55 pm
OTP
-
BOS
12h 20m1 stop
$407Multiple Airlines
Tue, May 5 - Tue, May 12
British Airways Logo
9:50 pm - 12:25 am
BOS
-
OTP
19h 35m1 stop
British Airways Logo
4:15 pm - 5:00 pm
OTP
-
BOS
31h 45m1 stop
$410British Airways
Wed, Apr 15 - Wed, Apr 22
British Airways Logo
12:57 pm - 3:25 pm
BOS
-
OTP
19h 28m2 stops
British Airways Logo
8:25 am - 10:26 pm
OTP
-
BOS
21h 01m2 stops
$414British Airways
Tue, May 5 - Tue, May 12

SWISS flights from Boston to Bucharest

Our best SWISS deals on Boston to Bucharest flight tickets
SWISS
Jan 12
BOS10:10 pmBoston Logan Intl
10h 40m
1 stop
OTP3:50 pmBucharest Otopeni Intl
Jan 23
OTP6:30 amBucharest Otopeni Intl
20h 30m
1 stop
BOS8:00 pmBoston Logan Intl
$382
Find similar
SWISS
Mar 31
BOS9:40 pmBoston Logan Intl
10h 40m
1 stop
OTP3:20 pmBucharest Otopeni Intl
Apr 14
OTP2:35 pmBucharest Otopeni Intl
12h 20m
1 stop
BOS7:55 pmBoston Logan Intl
$506
Find similar
SWISS
Dec 24
BOS9:50 pmBoston Logan Intl
11h 00m
1 stop
OTP3:50 pmBucharest Otopeni Intl
Jan 5
OTP4:40 pmBucharest Otopeni Intl
34h 20m
1 stop
BOS8:00 pmBoston Logan Intl
$2,015
Find similar

United Airlines flights from Boston to Bucharest

Our best United Airlines deals on Boston to Bucharest flight tickets
United Airlines
Apr 15
BOS5:45 amBoston Logan Intl
23h 40m
2 stops
OTP12:25 pmBucharest Otopeni Intl
Apr 22
OTP6:05 amBucharest Otopeni Intl
22h 43m
2 stops
BOS9:48 pmBoston Logan Intl
$430
Find similar
United Airlines
May 18
BOS8:05 pmBoston Logan Intl
15h 30m
1 stop
OTP6:35 pmBucharest Otopeni Intl
May 29
OTP1:50 pmBucharest Otopeni Intl
17h 04m
2 stops
BOS11:54 pmBoston Logan Intl
$485
Find similar
United Airlines
May 18
BOS8:05 pmBoston Logan Intl
15h 30m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Jun 2
OTP6:05 amBucharest Otopeni Intl
19h 39m
2 stops
BOS6:44 pmBoston Logan Intl
$489
Find similar

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 December 16, 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

Mon 1/12

10:10 pm-3:50 pm

1 stop10h 40m

Bucharest Otopeni Intl

Fri 1/23

6:55 am-5:14 pm

2 stops17h 19m

$364

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 5/5

5:10 pm-12:25 pm

1 stop12h 15m

Bucharest Otopeni Intl

Tue 5/12

2:35 pm-7:55 pm

1 stop12h 20m

$378

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 4/14

5:10 pm-12:25 pm

1 stop12h 15m

Bucharest Otopeni Intl

Tue 4/21

2:35 pm-7:55 pm

1 stop12h 20m

$380

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 1/12

10:10 pm-3:50 pm

1 stop10h 40m

Bucharest Otopeni Intl

Fri 1/23

6:30 am-8:00 pm

1 stop20h 30m

$382

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 5/5

5:10 pm-9:05 am

1 stop32h 55m

Bucharest Otopeni Intl

Tue 5/12

6:35 am-6:07 pm

2 stops18h 32m

$383

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 4/14

5:10 pm-6:05 pm

1 stop17h 55m

Bucharest Otopeni Intl

Tue 4/21

6:30 am-5:57 pm

2 stops18h 27m

$387

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 5/5

5:10 pm-12:25 pm

1 stop12h 15m

Bucharest Otopeni Intl

Tue 5/12

6:35 am-6:07 pm

2 stops18h 32m

$390

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 5/5

5:10 pm-6:05 pm

1 stop17h 55m

Bucharest Otopeni Intl

Tue 5/12

2:35 pm-7:55 pm

1 stop12h 20m

$407

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 4/15

9:50 pm-12:25 am

1 stop19h 35m

Bucharest Otopeni Intl

Wed 4/22

4:15 pm-5:00 pm

1 stop31h 45m

$410

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 5/5

12:57 pm-3:25 pm

2 stops19h 28m

Bucharest Otopeni Intl

Tue 5/12

8:25 am-10:26 pm

2 stops21h 01m

$414

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 cheapest month to fly to Bucharest?

In general, December 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 $525. If you aren’t able to travel to Bucharest during the month of December, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $560.

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 $724 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 $463 on momondo.

How have Boston to Bucharest flight prices changed over time?

As of December 2025, prices for Boston to Bucharest flights are approximately 16% cheaper 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

Fastest flight time

10h 40m

Direct flights

None
The fastest flight from Boston to Bucharest takes 10h 40m
There are no direct flights from Boston to Bucharest. There are no popular flight routes from Boston to Bucharest.
Search flight deals

  • How far is Boston Logan Intl to Bucharest by plane?

    Boston Logan Intl and Bucharest are 4560.4 mi apart from one another. 10h 40m 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
1,814 reviews
Search SWISS flights
British AirwaysPriceFrom $415Free CancellationRating
6.7
7,582 reviews
Search British Airways flights
Air FrancePriceFrom $426Free CancellationRating
7.4
1,506 reviews
Search Air France flights
Scandinavian AirlinesPriceFrom $450Free CancellationRating
7.4
1,606 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $475Free CancellationRating
7.3
4,102 reviews
Search Turkish Airlines flights
DeltaPriceFrom $512Free CancellationRating
7.9
8,010 reviews
Search Delta flights
KLMPriceFrom $522Free CancellationRating
7.7
1,430 reviews
Search KLM flights
LufthansaPriceFrom $536Free CancellationRating
6.8
7,632 reviews
Search Lufthansa flights
United AirlinesPriceFrom $569Free CancellationRating
7.4
9,094 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