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Cheap flights from Boston to Bucharest from $238

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 5/4. 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.
Austrian Airlines Logo
7:25 pm - 12:30 pm
BOS
-
OTP
11h 05m
1 stop
Austrian Airlines Logo
6:55 am - 3:05 pm
OTP
-
BOS
14h 10m
1 stop
$359Austrian Airlines
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
5:30 am - 3:45 pm
BOS
-
OTP
28h 15m
2 stops
Multiple Airlines Logo
6:55 am - 3:05 pm
OTP
-
BOS
14h 10m
1 stop
$375Multiple Airlines
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
6:25 pm - 11:50 pm
BOS
-
OTP
22h 25m
1 stop
Multiple Airlines Logo
6:20 am - 5:57 pm
OTP
-
BOS
18h 37m
2 stops
$376Multiple Airlines
Tue, Feb 24 - Tue, Apr 14
SWISS Logo
9:50 pm - 3:45 pm
BOS
-
OTP
10h 55m
1 stop
SWISS Logo
4:10 pm - 7:55 pm
OTP
-
BOS
34h 45m
1 stop
$382SWISS
Tue, Feb 24 - Tue, Apr 14
Multiple Airlines Logo
1:55 pm - 12:30 pm
BOS
-
OTP
15h 35m
2 stops
Multiple Airlines Logo
6:20 am - 5:57 pm
OTP
-
BOS
18h 37m
2 stops
$406Multiple Airlines
Tue, Feb 24 - Tue, Apr 14
Lufthansa Logo
9:40 pm - 6:35 pm
BOS
-
OTP
14h 55m
1 stop
Lufthansa Logo
1:05 pm - 7:35 pm
OTP
-
BOS
12h 30m
1 stop
$408Lufthansa
Thu, Mar 19 - Thu, Mar 26
Multiple Airlines Logo
5:30 am - 3:50 pm
BOS
-
OTP
28h 20m
2 stops
Multiple Airlines Logo
6:30 am - 9:20 pm
OTP
-
BOS
20h 50m
1 stop
$427Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
British Airways Logo
9:50 pm - 1:20 am
BOS
-
OTP
20h 30m
1 stop
British Airways Logo
8:15 am - 10:35 pm
OTP
-
BOS
21h 20m
1 stop
$458British Airways
Mon, May 18 - Thu, May 28
Multiple Airlines Logo
5:30 am - 3:50 pm
BOS
-
OTP
28h 20m
2 stops
Multiple Airlines Logo
6:05 am - 2:10 pm
OTP
-
BOS
14h 05m
2 stops
$462Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
British Airways Logo
9:50 pm - 1:20 am
BOS
-
OTP
20h 30m
1 stop
British Airways Logo
8:15 am - 10:35 pm
OTP
-
BOS
21h 20m
1 stop
$465British Airways
Mon, May 18 - Thu, May 28

Austrian Airlines flights from Boston to Bucharest Otopeni Intl Airport

Our best Austrian Airlines deals on Boston to Bucharest Otopeni Intl Airport flight tickets
Austrian Airlines
Mar 17
BOS7:25 pmBoston Logan Intl
11h 05m
1 stop
OTP12:30 pmBucharest Otopeni Intl
Mar 24
OTP6:55 amBucharest Otopeni Intl
14h 10m
1 stop
BOS3:05 pmBoston Logan Intl
$359
Austrian Airlines
Feb 5
BOS1:30 pmBoston Logan Intl
16h 00m
2 stops
OTP12:30 pmBucharest Otopeni Intl
Feb 9
OTP7:10 pmBucharest Otopeni Intl
29h 04m
2 stops
BOS5:14 pmBoston Logan Intl
$525
Austrian Airlines
Mar 13
BOS7:25 pmBoston Logan Intl
11h 05m
1 stop
OTP12:30 pmBucharest Otopeni Intl
Mar 20
OTP6:55 amBucharest Otopeni Intl
14h 10m
1 stop
BOS3:05 pmBoston Logan Intl
$603

SWISS flights from Boston to Bucharest Otopeni Intl Airport

Our best SWISS deals on Boston to Bucharest Otopeni Intl Airport flight tickets
SWISS
Feb 24
BOS9:50 pmBoston Logan Intl
10h 55m
1 stop
OTP3:45 pmBucharest Otopeni Intl
Apr 14
OTP4:10 pmBucharest Otopeni Intl
34h 45m
1 stop
BOS7:55 pmBoston Logan Intl
$382
SWISS
Feb 5
BOS10:10 pmBoston Logan Intl
19h 15m
1 stop
OTP12:25 amBucharest Otopeni Intl
Feb 9
OTP4:40 pmBucharest Otopeni Intl
34h 40m
1 stop
BOS8:20 pmBoston Logan Intl
$496
SWISS
Jun 1
BOS9:40 pmBoston Logan Intl
20h 25m
1 stop
OTP1:05 amBucharest Otopeni Intl
Jun 11
OTP6:20 amBucharest Otopeni Intl
20h 35m
1 stop
BOS7:55 pmBoston Logan Intl
$613

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 February 2, 2026.
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 3/17

7:25 pm-12:30 pm

1 stop11h 05m

Bucharest Otopeni Intl

Tue 3/24

6:55 am-3:05 pm

1 stop14h 10m

$359

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 3/17

5:30 am-3:45 pm

2 stops28h 15m

Bucharest Otopeni Intl

Tue 3/24

6:55 am-3:05 pm

1 stop14h 10m

$375

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 2/24

6:25 pm-11:50 pm

1 stop22h 25m

Bucharest Otopeni Intl

Tue 4/14

6:20 am-5:57 pm

2 stops18h 37m

$376

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 2/24

9:50 pm-3:45 pm

1 stop10h 55m

Bucharest Otopeni Intl

Tue 4/14

4:10 pm-7:55 pm

1 stop34h 45m

$382

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 2/24

1:55 pm-12:30 pm

2 stops15h 35m

Bucharest Otopeni Intl

Tue 4/14

6:20 am-5:57 pm

2 stops18h 37m

$406

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Thu 3/19

9:40 pm-6:35 pm

1 stop14h 55m

Bucharest Otopeni Intl

Thu 3/26

1:05 pm-7:35 pm

1 stop12h 30m

$408

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Thu 3/19

5:30 am-3:50 pm

2 stops28h 20m

Bucharest Otopeni Intl

Thu 3/26

6:30 am-9:20 pm

1 stop20h 50m

$427

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 5/18

9:50 pm-1:20 am

1 stop20h 30m

Bucharest Otopeni Intl

Thu 5/28

8:15 am-10:35 pm

1 stop21h 20m

$458

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Thu 3/19

5:30 am-3:50 pm

2 stops28h 20m

Bucharest Otopeni Intl

Thu 3/26

6:05 am-2:10 pm

2 stops14h 05m

$462

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 5/18

9:50 pm-1:20 am

1 stop20h 30m

Bucharest Otopeni Intl

Thu 5/28

8:15 am-10:35 pm

1 stop21h 20m

$465

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.

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 $726 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 $477 on momondo.

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

As of February 2026, prices for Boston to Bucharest Otopeni Intl Airport flights are approximately 38% 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

12h 00m

Direct flights

None
The fastest flight from Boston to Bucharest Otopeni Intl Airport takes 12h 00m
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 12h 00m, 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
7.6
1,864 reviews
Search SWISS flights
Air FrancePriceFrom $401Free CancellationRating
7.4
1,531 reviews
Search Air France flights
British AirwaysPriceFrom $415Free CancellationRating
6.7
7,709 reviews
Search British Airways flights
KLMPriceFrom $439Free CancellationRating
7.7
1,448 reviews
Search KLM flights
United AirlinesPriceFrom $456Free CancellationRating
7.4
9,229 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $475Free CancellationRating
7.3
4,211 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $482Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
DeltaPriceFrom $512Free CancellationRating
7.9
8,129 reviews
Search Delta 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?

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.

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

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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