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Cheap flights from Boston to Bucharest from $240

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 1/28. 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
5:10 pm - 12:25 pm
BOS
-
OTP
12h 15m1 stop
Multiple Airlines Logo
4:10 pm - 3:30 pm
OTP
-
BOS
30h 20m1 stop
$369Multiple Airlines
Tue, Apr 7 - Thu, Apr 16
Multiple Airlines Logo
5:10 pm - 12:25 pm
BOS
-
OTP
12h 15m1 stop
Multiple Airlines Logo
6:30 am - 3:30 pm
OTP
-
BOS
16h 00m1 stop
$370Multiple Airlines
Tue, Apr 7 - Thu, Apr 16
Multiple Airlines Logo
10:10 pm - 3:50 pm
BOS
-
OTP
10h 40m1 stop
Multiple Airlines Logo
6:55 am - 9:27 pm
OTP
-
BOS
20h 32m2 stops
$378Multiple Airlines
Sun, Mar 1 - Thu, Mar 12
Multiple Airlines Logo
5:30 am - 12:25 pm
BOS
-
OTP
23h 55m2 stops
Multiple Airlines Logo
4:10 pm - 3:30 pm
OTP
-
BOS
30h 20m1 stop
$380Multiple Airlines
Tue, Apr 7 - Thu, Apr 16
SWISS Logo
10:10 pm - 12:30 am
BOS
-
OTP
19h 20m1 stop
SWISS Logo
6:30 am - 9:20 pm
OTP
-
BOS
20h 50m1 stop
$382SWISS
Sun, Mar 1 - Thu, Mar 12
British Airways Logo
7:35 pm - 2:30 pm
BOS
-
OTP
11h 55m1 stop
British Airways Logo
8:25 am - 8:05 pm
OTP
-
BOS
18h 40m1 stop
$390British Airways
Wed, Apr 15 - Wed, Apr 22
SWISS Logo
9:40 pm - 3:20 pm
BOS
-
OTP
10h 40m1 stop
SWISS Logo
4:10 pm - 3:30 pm
OTP
-
BOS
30h 20m1 stop
$392SWISS
Mon, Apr 13 - Wed, Apr 22
Multiple Airlines Logo
7:25 pm - 11:50 pm
BOS
-
OTP
22h 25m1 stop
Multiple Airlines Logo
4:40 pm - 9:00 pm
OTP
-
BOS
34h 20m1 stop
$400Multiple Airlines
Sun, Mar 15 - Sun, Mar 22
Multiple Airlines Logo
5:10 pm - 12:25 pm
BOS
-
OTP
12h 15m1 stop
Multiple Airlines Logo
6:30 am - 9:27 pm
OTP
-
BOS
21h 57m2 stops
$403Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
1:57 pm - 11:50 pm
BOS
-
OTP
27h 53m2 stops
Multiple Airlines Logo
4:40 pm - 9:00 pm
OTP
-
BOS
34h 20m1 stop
$404Multiple Airlines
Sun, Mar 15 - Sun, Mar 22

SWISS flights from Boston to Bucharest Otopeni Intl Airport

Our best SWISS deals on Boston to Bucharest Otopeni Intl Airport flight tickets
SWISS
Mar 1
BOS10:10 pmBoston Logan Intl
19h 20m
1 stop
OTP12:30 amBucharest Otopeni Intl
Mar 12
OTP6:30 amBucharest Otopeni Intl
20h 50m
1 stop
BOS9:20 pmBoston Logan Intl
$382
Find similar
SWISS
Apr 13
BOS9:40 pmBoston Logan Intl
10h 40m
1 stop
OTP3:20 pmBucharest Otopeni Intl
Apr 22
OTP4:10 pmBucharest Otopeni Intl
30h 20m
1 stop
BOS3:30 pmBoston Logan Intl
$392
Find similar
SWISS
May 25
BOS5:05 pmBoston Logan Intl
13h 40m
1 stop
OTP1:45 pmBucharest Otopeni Intl
Jun 9
OTP6:30 amBucharest Otopeni Intl
16h 00m
1 stop
BOS3:30 pmBoston Logan Intl
$447
Find similar

British Airways flights from Boston to Bucharest Otopeni Intl Airport

Our best British Airways deals on Boston to Bucharest Otopeni Intl Airport flight tickets
British Airways
Apr 15
BOS7:35 pmBoston Logan Intl
11h 55m
1 stop
OTP2:30 pmBucharest Otopeni Intl
Apr 22
OTP8:25 amBucharest Otopeni Intl
18h 40m
1 stop
BOS8:05 pmBoston Logan Intl
$390
Find similar
British Airways
Apr 15
BOS7:25 amBoston Logan Intl
24h 05m
1 stop
OTP2:30 pmBucharest Otopeni Intl
Apr 22
OTP4:15 pmBucharest Otopeni Intl
34h 50m
1 stop
BOS8:05 pmBoston Logan Intl
$409
Find similar
British Airways
Apr 15
BOS7:25 amBoston Logan Intl
24h 05m
1 stop
OTP2:30 pmBucharest Otopeni Intl
Apr 21
OTP8:25 amBucharest Otopeni Intl
15h 30m
1 stop
BOS4:55 pmBoston Logan Intl
$415
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Bucharest Otopeni Intl Airport 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 7, 2025.
Use the filters below to find and compare flights from Boston to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 4/7

5:10 pm-12:25 pm

1 stop12h 15m

Bucharest Otopeni Intl

Thu 4/16

4:10 pm-3:30 pm

1 stop30h 20m

$369

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 4/7

5:10 pm-12:25 pm

1 stop12h 15m

Bucharest Otopeni Intl

Thu 4/16

6:30 am-3:30 pm

1 stop16h 00m

$370

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 3/1

10:10 pm-3:50 pm

1 stop10h 40m

Bucharest Otopeni Intl

Thu 3/12

6:55 am-9:27 pm

2 stops20h 32m

$378

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 4/7

5:30 am-12:25 pm

2 stops23h 55m

Bucharest Otopeni Intl

Thu 4/16

4:10 pm-3:30 pm

1 stop30h 20m

$380

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 3/1

10:10 pm-12:30 am

1 stop19h 20m

Bucharest Otopeni Intl

Thu 3/12

6:30 am-9:20 pm

1 stop20h 50m

$382

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 4/15

7:35 pm-2:30 pm

1 stop11h 55m

Bucharest Otopeni Intl

Wed 4/22

8:25 am-8:05 pm

1 stop18h 40m

$390

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 4/13

9:40 pm-3:20 pm

1 stop10h 40m

Bucharest Otopeni Intl

Wed 4/22

4:10 pm-3:30 pm

1 stop30h 20m

$392

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 3/15

7:25 pm-11:50 pm

1 stop22h 25m

Bucharest Otopeni Intl

Sun 3/22

4:40 pm-9:00 pm

1 stop34h 20m

$400

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

6:30 am-9:27 pm

2 stops21h 57m

$403

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 3/15

1:57 pm-11:50 pm

2 stops27h 53m

Bucharest Otopeni Intl

Sun 3/22

4:40 pm-9:00 pm

1 stop34h 20m

$404

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 Otopeni Intl Airport

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 Otopeni Intl Airport?

If you aren’t able to travel during the month of October, then book flights to Bucharest Otopeni Intl Airport from Boston during November instead. Flights to Bucharest Otopeni Intl Airport in November, while not as cheap as those in October, still average around $644.

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

Our data shows that Monday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $682. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Bucharest Otopeni Intl Airport for around $890.

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

Our most recent data shows that the best time of day to fly to Bucharest Otopeni Intl Airport is in the morning. Flights from Boston to Bucharest Otopeni Intl Airport during this time can be as low as $683. In the afternoon is when there is more demand to fly to Bucharest Otopeni Intl Airport, so prices are often more expensive at around $897 per ticket.

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

You are more likely to see cheaper flights to Bucharest Otopeni Intl Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest Otopeni Intl Airport 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 Otopeni Intl Airport from Boston for as low as $463 on momondo.

How have Boston to Bucharest Otopeni Intl Airport flight prices changed over time?

As of December 2025, prices for Boston to Bucharest Otopeni Intl Airport flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Bucharest Otopeni Intl Airport

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

Cheap Boston to Bucharest Otopeni Intl Airport (BOS to OTP) flight deals and tips

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

Fastest flight time

10h 40m

Direct flights

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

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

    A flight from Boston Logan Intl to Bucharest Otopeni Intl will travel around 4554.7 mi. Flights usually cover this in 10h 40m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Boston Logan Intl Airport to Bucharest Otopeni Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Bucharest Otopeni Intl Airport.

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

    The required travel and health documents for your Bucharest Otopeni Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest Otopeni Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Boston to Bucharest Otopeni Intl Airport

Compare and see reviews for airlines that fly from Boston to Bucharest Otopeni Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom $371Free CancellationRating
7.5
1,807 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom $409Free CancellationRating
7.4
1,597 reviews
Search Scandinavian Airlines flights
Air FrancePriceFrom $426Free CancellationRating
7.4
1,502 reviews
Search Air France flights
British AirwaysPriceFrom $427Free CancellationRating
6.7
7,564 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $486Free CancellationRating
7.3
4,084 reviews
Search Turkish Airlines flights
DeltaPriceFrom $512Free CancellationRating
7.9
8,011 reviews
Search Delta flights
KLMPriceFrom $522Free CancellationRating
7.7
1,431 reviews
Search KLM flights
LufthansaPriceFrom $536Free CancellationRating
6.8
7,617 reviews
Search Lufthansa flights
United AirlinesPriceFrom $649Free CancellationRating
7.4
9,078 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

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Bucharest. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Boston to Bucharest flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Boston and Bucharest by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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Of course. momondo tracks the price of Boston to Bucharest flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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