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Cheap flights from Boston to Bucharest from $353

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Bucharest departing on 2/4. 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.
Lufthansa Logo
8:40 pm - 6:35 pm
BOS
-
OTP
14h 55m1 stop
Lufthansa Logo
6:05 am - 6:35 pm
OTP
-
BOS
19h 30m1 stop
$353Lufthansa
Wed, Feb 4 - Wed, Feb 11
SWISS Logo
10:10 pm - 12:30 am
BOS
-
OTP
19h 20m1 stop
SWISS Logo
4:40 pm - 8:20 pm
OTP
-
BOS
34h 40m1 stop
$354SWISS
Mon, Jan 12 - Mon, Jan 26
Multiple Airlines Logo
10:10 pm - 12:30 am
BOS
-
OTP
19h 20m1 stop
Multiple Airlines Logo
1:20 pm - 5:14 pm
OTP
-
BOS
34h 54m2 stops
$355Multiple Airlines
Mon, Jan 12 - Mon, Jan 26
Austrian Airlines Logo
5:10 pm - 12:25 pm
BOS
-
OTP
12h 15m1 stop
Austrian Airlines Logo
6:55 pm - 1:50 pm
OTP
-
BOS
25h 55m1 stop
$361Austrian Airlines
Tue, Mar 31 - Tue, Apr 21
Multiple Airlines Logo
9:40 pm - 1:05 am
BOS
-
OTP
20h 25m1 stop
Multiple Airlines Logo
6:35 am - 1:50 pm
OTP
-
BOS
14h 15m1 stop
$364Multiple Airlines
Wed, Apr 1 - Wed, Apr 22
Lufthansa Logo
8:40 pm - 6:35 pm
BOS
-
OTP
14h 55m1 stop
Lufthansa Logo
6:05 am - 1:35 pm
OTP
-
BOS
14h 30m2 stops
$369Lufthansa
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
9:40 pm - 3:20 pm
BOS
-
OTP
10h 40m1 stop
Multiple Airlines Logo
6:20 am - 5:57 pm
OTP
-
BOS
18h 37m2 stops
$370Multiple Airlines
Tue, Apr 7 - Thu, Apr 16
SWISS Logo
9:40 pm - 1:05 am
BOS
-
OTP
20h 25m1 stop
SWISS Logo
6:20 am - 3:30 pm
OTP
-
BOS
16h 10m1 stop
$373SWISS
Sun, Apr 5 - Thu, Apr 23
SWISS Logo
10:10 pm - 12:30 am
BOS
-
OTP
19h 20m1 stop
SWISS Logo
4:40 pm - 8:20 pm
OTP
-
BOS
34h 40m1 stop
$374SWISS
Mon, Jan 19 - Mon, Feb 2
SWISS Logo
10:10 pm - 3:50 pm
BOS
-
OTP
10h 40m1 stop
SWISS Logo
6:30 am - 8:20 pm
OTP
-
BOS
20h 50m1 stop
$380SWISS
Mon, Jan 19 - Tue, Feb 3

Delta flights from Boston to Bucharest

Our best Delta deals on Boston to Bucharest flight tickets
Delta
Dec 31
BOS8:25 pmBoston Logan Intl
19h 25m
1 stop
OTP10:50 pmBucharest Otopeni Intl
Jan 14
OTP6:05 amBucharest Otopeni Intl
14h 35m
1 stop
BOS1:40 pmBoston Logan Intl
$401
Find similar
Delta
Jan 12
BOS8:20 pmBoston Logan Intl
19h 30m
1 stop
OTP10:50 pmBucharest Otopeni Intl
Jan 26
OTP1:55 pmBucharest Otopeni Intl
30h 35m
1 stop
BOS1:30 pmBoston Logan Intl
$402
Find similar
Delta
Jan 12
BOS8:20 pmBoston Logan Intl
19h 30m
1 stop
OTP10:50 pmBucharest Otopeni Intl
Jan 26
OTP1:55 pmBucharest Otopeni Intl
30h 35m
1 stop
BOS1:30 pmBoston Logan Intl
$403
Find similar

SWISS flights from Boston to Bucharest

Our best SWISS deals on Boston to Bucharest flight tickets
SWISS
Jan 12
BOS10:10 pmBoston Logan Intl
19h 20m
1 stop
OTP12:30 amBucharest Otopeni Intl
Jan 26
OTP4:40 pmBucharest Otopeni Intl
34h 40m
1 stop
BOS8:20 pmBoston Logan Intl
$354
Find similar
SWISS
Apr 5
BOS9:40 pmBoston Logan Intl
20h 25m
1 stop
OTP1:05 amBucharest Otopeni Intl
Apr 23
OTP6:20 amBucharest Otopeni Intl
16h 10m
1 stop
BOS3:30 pmBoston Logan Intl
$373
Find similar
SWISS
Jan 19
BOS10:10 pmBoston Logan Intl
19h 20m
1 stop
OTP12:30 amBucharest Otopeni Intl
Feb 2
OTP4:40 pmBucharest Otopeni Intl
34h 40m
1 stop
BOS8:20 pmBoston Logan Intl
$374
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 23, 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 2/4

8:40 pm-6:35 pm

1 stop14h 55m

Bucharest Otopeni Intl

Wed 2/11

6:05 am-6:35 pm

1 stop19h 30m

$353

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 1/12

10:10 pm-12:30 am

1 stop19h 20m

Bucharest Otopeni Intl

Mon 1/26

4:40 pm-8:20 pm

1 stop34h 40m

$354

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 1/12

10:10 pm-12:30 am

1 stop19h 20m

Bucharest Otopeni Intl

Mon 1/26

1:20 pm-5:14 pm

2 stops34h 54m

$355

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 3/31

5:10 pm-12:25 pm

1 stop12h 15m

Bucharest Otopeni Intl

Tue 4/21

6:55 pm-1:50 pm

1 stop25h 55m

$361

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 4/1

9:40 pm-1:05 am

1 stop20h 25m

Bucharest Otopeni Intl

Wed 4/22

6:35 am-1:50 pm

1 stop14h 15m

$364

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 2/4

8:40 pm-6:35 pm

1 stop14h 55m

Bucharest Otopeni Intl

Wed 2/11

6:05 am-1:35 pm

2 stops14h 30m

$369

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 4/7

9:40 pm-3:20 pm

1 stop10h 40m

Bucharest Otopeni Intl

Thu 4/16

6:20 am-5:57 pm

2 stops18h 37m

$370

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 4/5

9:40 pm-1:05 am

1 stop20h 25m

Bucharest Otopeni Intl

Thu 4/23

6:20 am-3:30 pm

1 stop16h 10m

$373

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 1/19

10:10 pm-12:30 am

1 stop19h 20m

Bucharest Otopeni Intl

Mon 2/2

4:40 pm-8:20 pm

1 stop34h 40m

$374

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 1/19

10:10 pm-3:50 pm

1 stop10h 40m

Bucharest Otopeni Intl

Tue 2/3

6:30 am-8:20 pm

1 stop20h 50m

$380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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, 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 $533. 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

14h 35m

Direct flights

None
The fastest flight from Boston to Bucharest takes 14h 35m
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. 14h 35m 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
1,817 reviews
Search SWISS flights
British AirwaysPriceFrom $415Free CancellationRating
6.7
7,607 reviews
Search British Airways flights
Air FrancePriceFrom $426Free CancellationRating
7.4
1,513 reviews
Search Air France flights
Scandinavian AirlinesPriceFrom $450Free CancellationRating
7.4
1,621 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $475Free CancellationRating
7.3
4,112 reviews
Search Turkish Airlines flights
DeltaPriceFrom $512Free CancellationRating
7.9
8,015 reviews
Search Delta flights
KLMPriceFrom $522Free CancellationRating
7.7
1,434 reviews
Search KLM flights
LufthansaPriceFrom $536Free CancellationRating
6.8
7,650 reviews
Search Lufthansa flights
United AirlinesPriceFrom $569Free CancellationRating
7.4
9,109 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