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Cheap flights from Boston to Bucharest from $357

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 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Turkish Airlines Logo
9:50 pm - 2:35 pm
BOS
-
OTP
33h 45m
1 stop
Turkish Airlines Logo
3:55 pm - 7:55 pm
OTP
-
BOS
35h 00m
1 stop
$520Turkish Airlines
Mon, Sep 21 - Fri, Oct 2
Turkish Airlines Logo
9:50 pm - 12:05 pm
BOS
-
OTP
31h 15m
1 stop
Turkish Airlines Logo
12:55 pm - 7:55 pm
OTP
-
BOS
14h 00m
1 stop
$521Turkish Airlines
Tue, Oct 6 - Tue, Oct 20
Turkish Airlines Logo
9:50 pm - 8:10 am
BOS
-
OTP
27h 20m
1 stop
Turkish Airlines Logo
3:55 pm - 7:55 pm
OTP
-
BOS
35h 00m
1 stop
$529Turkish Airlines
Mon, Sep 21 - Fri, Oct 2
Turkish Airlines Logo
9:50 pm - 2:35 pm
BOS
-
OTP
33h 45m
1 stop
Turkish Airlines Logo
9:30 am - 7:55 pm
OTP
-
BOS
17h 25m
1 stop
$542Turkish Airlines
Tue, Oct 6 - Tue, Oct 20
Turkish Airlines Logo
9:50 pm - 12:05 pm
BOS
-
OTP
31h 15m
1 stop
Turkish Airlines Logo
3:55 pm - 7:55 pm
OTP
-
BOS
35h 00m
1 stop
$550Turkish Airlines
Thu, Apr 23 - Wed, May 6
Turkish Airlines Logo
9:50 pm - 8:10 am
BOS
-
OTP
27h 20m
1 stop
Turkish Airlines Logo
12:55 pm - 7:55 pm
OTP
-
BOS
14h 00m
1 stop
$556Turkish Airlines
Mon, Apr 27 - Tue, May 12
Turkish Airlines Logo
9:50 pm - 2:35 pm
BOS
-
OTP
33h 45m
1 stop
Turkish Airlines Logo
9:30 am - 7:55 pm
OTP
-
BOS
17h 25m
1 stop
$565Turkish Airlines
Mon, Apr 27 - Wed, May 13
Turkish Airlines Logo
9:50 pm - 8:10 am
BOS
-
OTP
27h 20m
1 stop
Turkish Airlines Logo
9:40 pm - 7:55 pm
OTP
-
BOS
29h 15m
1 stop
$576Turkish Airlines
Thu, Apr 23 - Fri, May 1
Turkish Airlines Logo
9:50 pm - 8:20 pm
BOS
-
OTP
15h 30m
1 stop
Turkish Airlines Logo
7:20 am - 7:55 pm
OTP
-
BOS
43h 35m
2 stops
$579Turkish Airlines
Wed, May 6 - Wed, May 13
Turkish Airlines Logo
9:50 pm - 2:35 pm
BOS
-
OTP
33h 45m
1 stop
Turkish Airlines Logo
12:55 pm - 7:55 pm
OTP
-
BOS
14h 00m
1 stop
$584Turkish Airlines
Mon, Apr 27 - Thu, May 7

Turkish Airlines flights from Boston to Bucharest Otopeni Intl Airport

Our best Turkish Airlines deals on Boston to Bucharest Otopeni Intl Airport flight tickets
Turkish Airlines
Sep 21
BOS9:50 pmBoston Logan Intl
33h 45m
1 stop
OTP2:35 pmBucharest Otopeni Intl
Oct 2
OTP3:55 pmBucharest Otopeni Intl
35h 00m
1 stop
BOS7:55 pmBoston Logan Intl
$520
Turkish Airlines
Oct 6
BOS9:50 pmBoston Logan Intl
31h 15m
1 stop
OTP12:05 pmBucharest Otopeni Intl
Oct 20
OTP12:55 pmBucharest Otopeni Intl
14h 00m
1 stop
BOS7:55 pmBoston Logan Intl
$521
Turkish Airlines
Sep 21
BOS9:50 pmBoston Logan Intl
27h 20m
1 stop
OTP8:10 amBucharest Otopeni Intl
Oct 2
OTP3:55 pmBucharest Otopeni Intl
35h 00m
1 stop
BOS7:55 pmBoston Logan Intl
$529

United Airlines flights from Boston to Bucharest Otopeni Intl Airport

Our best United Airlines deals on Boston to Bucharest Otopeni Intl Airport flight tickets
United Airlines
Apr 22
BOS9:30 amBoston Logan Intl
19h 30m
2 stops
OTP12:00 pmBucharest Otopeni Intl
May 5
OTP6:05 amBucharest Otopeni Intl
16h 35m
1 stop
BOS3:40 pmBoston Logan Intl
$633
United Airlines
Apr 22
BOS9:30 amBoston Logan Intl
19h 30m
2 stops
OTP12:00 pmBucharest Otopeni Intl
May 5
OTP6:05 amBucharest Otopeni Intl
15h 42m
2 stops
BOS2:47 pmBoston Logan Intl
$636
United Airlines
Apr 22
BOS9:30 amBoston Logan Intl
19h 30m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Apr 29
OTP6:05 amBucharest Otopeni Intl
20h 36m
2 stops
BOS7:41 pmBoston Logan Intl
$643

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 April 10, 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

Cheapest round-trip

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 9/21

9:50 pm-2:35 pm

1 stop33h 45m

Bucharest Otopeni Intl

Fri 10/2

3:55 pm-7:55 pm

1 stop35h 00m

$520

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 10/6

9:50 pm-12:05 pm

1 stop31h 15m

Bucharest Otopeni Intl

Tue 10/20

12:55 pm-7:55 pm

1 stop14h 00m

$521

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 9/21

9:50 pm-8:10 am

1 stop27h 20m

Bucharest Otopeni Intl

Fri 10/2

3:55 pm-7:55 pm

1 stop35h 00m

$529

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 10/6

9:50 pm-2:35 pm

1 stop33h 45m

Bucharest Otopeni Intl

Tue 10/20

9:30 am-7:55 pm

1 stop17h 25m

$542

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Thu 4/23

9:50 pm-12:05 pm

1 stop31h 15m

Bucharest Otopeni Intl

Wed 5/6

3:55 pm-7:55 pm

1 stop35h 00m

$550
Quickest round-trip

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 4/27

9:50 pm-8:10 am

1 stop27h 20m

Bucharest Otopeni Intl

Tue 5/12

12:55 pm-7:55 pm

1 stop14h 00m

$556

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 4/27

9:50 pm-2:35 pm

1 stop33h 45m

Bucharest Otopeni Intl

Wed 5/13

9:30 am-7:55 pm

1 stop17h 25m

$565

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Thu 4/23

9:50 pm-8:10 am

1 stop27h 20m

Bucharest Otopeni Intl

Fri 5/1

9:40 pm-7:55 pm

1 stop29h 15m

$576

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 5/6

9:50 pm-8:20 pm

1 stop15h 30m

Bucharest Otopeni Intl

Wed 5/13

7:20 am-7:55 pm

2 stops43h 35m

$579

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 4/27

9:50 pm-2:35 pm

1 stop33h 45m

Bucharest Otopeni Intl

Thu 5/7

12:55 pm-7:55 pm

1 stop14h 00m

$584

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 typical price of a round-trip flight between Boston and Bucharest Otopeni Intl Airport?

What is the cheapest month to fly to Bucharest Otopeni Intl Airport?

If you aren’t able to travel during the month of January, then book flights to Bucharest Otopeni Intl Airport from Boston during October instead. Flights to Bucharest Otopeni Intl Airport in October, while not as cheap as those in January, still average around $495.

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 $664 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 $435 on momondo.

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

As of April 2026, prices for Boston to Bucharest Otopeni Intl Airport flights are approximately 3% more expensive 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

15h 25m

Direct flights

None
The fastest flight from Boston to Bucharest Otopeni Intl Airport takes 15h 25m
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

Frequently asked questions about flying from Boston to Bucharest Otopeni Intl Airport

  • 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 15h 25m, 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
Austrian AirlinesPriceFrom $350Free CancellationRating
7.6
905 reviews
Search Austrian Airlines flights
SWISSPriceFrom $381Free CancellationRating
7.5
1,916 reviews
Search SWISS flights
Air FrancePriceFrom $401Free CancellationRating
7.4
1,564 reviews
Search Air France flights
British AirwaysPriceFrom $415Free CancellationRating
6.7
7,869 reviews
Search British Airways flights
KLMPriceFrom $439Free CancellationRating
7.7
1,493 reviews
Search KLM flights
United AirlinesPriceFrom $456Free CancellationRating
7.4
9,561 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $475Free CancellationRating
7.3
4,306 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $475Free CancellationRating
6.8
7,905 reviews
Search Lufthansa flights
DeltaPriceFrom $512Free CancellationRating
7.9
8,400 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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