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Cheap flights from Boston to Bucharest from $362

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 6/9. 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 40m
1 stop
Multiple Airlines Logo
1:05 pm - 7:35 pm
OTP
-
BOS
12h 30m
1 stop
$371Multiple Airlines
Mon, Feb 23 - Wed, Mar 11
Austrian Airlines Logo
2:20 pm - 6:25 pm
BOS
-
OTP
21h 05m
2 stops
Austrian Airlines Logo
7:10 pm - 2:05 pm
OTP
-
BOS
25h 55m
1 stop
$380Austrian Airlines
Thu, Feb 19 - Thu, Feb 26
Multiple Airlines Logo
7:25 pm - 12:30 pm
BOS
-
OTP
11h 05m
1 stop
Multiple Airlines Logo
6:15 am - 5:59 pm
OTP
-
BOS
18h 44m
2 stops
$384Multiple Airlines
Sun, Mar 8 - Fri, May 8
Austrian Airlines Logo
7:25 pm - 11:50 pm
BOS
-
OTP
22h 25m
1 stop
Austrian Airlines Logo
6:35 am - 1:50 pm
OTP
-
BOS
14h 15m
1 stop
$393Austrian Airlines
Sun, Mar 8 - Fri, May 8
Multiple Airlines Logo
10:10 pm - 3:50 pm
BOS
-
OTP
10h 40m
1 stop
Multiple Airlines Logo
6:55 am - 6:41 pm
OTP
-
BOS
17h 46m
2 stops
$404Multiple Airlines
Mon, Feb 23 - Wed, Mar 11
Delta Logo
10:03 am - 12:05 pm
BOS
-
OTP
19h 02m
2 stops
Delta Logo
6:05 am - 7:23 am
OTP
-
BOS
31h 18m
2 stops
$411Delta
Mon, Feb 23 - Wed, Mar 11
United Airlines Logo
5:45 am - 12:30 pm
BOS
-
OTP
24h 45m
2 stops
United Airlines Logo
6:15 am - 4:08 pm
OTP
-
BOS
40h 53m
2 stops
$418United Airlines
Sun, Mar 8 - Fri, May 8
SWISS Logo
5:20 pm - 1:05 am
BOS
-
OTP
24h 45m
1 stop
SWISS Logo
6:20 am - 3:10 pm
OTP
-
BOS
15h 50m
1 stop
$442SWISS
Mon, May 18 - Thu, May 28
Austrian Airlines Logo
6:25 pm - 5:50 pm
BOS
-
OTP
16h 25m
1 stop
Austrian Airlines Logo
6:55 am - 2:05 pm
OTP
-
BOS
14h 10m
1 stop
$449Austrian Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
5:45 pm - 1:00 pm
BOS
-
OTP
12h 15m
1 stop
Multiple Airlines Logo
6:20 am - 7:55 pm
OTP
-
BOS
20h 35m
1 stop
$460Multiple Airlines
Tue, May 19 - Wed, May 27

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
Mar 8
BOS5:45 amBoston Logan Intl
24h 45m
2 stops
OTP12:30 pmBucharest Otopeni Intl
May 8
OTP6:15 amBucharest Otopeni Intl
40h 53m
2 stops
BOS4:08 pmBoston Logan Intl
$418
United Airlines
Apr 20
BOS2:37 pmBoston Logan Intl
27h 33m
2 stops
OTP1:10 amBucharest Otopeni Intl
Apr 26
OTP6:05 amBucharest Otopeni Intl
34h 59m
2 stops
BOS10:04 amBoston Logan Intl
$480
United Airlines
May 18
BOS5:45 pmBoston Logan Intl
15h 35m
1 stop
OTP4:20 pmBucharest Otopeni Intl
May 28
OTP6:15 amBucharest Otopeni Intl
18h 10m
2 stops
BOS5:25 pmBoston Logan Intl
$484

Lufthansa flights from Boston to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Boston to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Apr 20
BOS7:30 pmBoston Logan Intl
22h 40m
2 stops
OTP1:10 amBucharest Otopeni Intl
Apr 26
OTP7:20 pmBucharest Otopeni Intl
29h 20m
1 stop
BOS5:40 pmBoston Logan Intl
$492
Lufthansa
Apr 20
BOS7:30 pmBoston Logan Intl
22h 40m
2 stops
OTP1:10 amBucharest Otopeni Intl
Apr 26
OTP7:20 pmBucharest Otopeni Intl
27h 20m
2 stops
BOS3:40 pmBoston Logan Intl
$513
Lufthansa
May 18
BOS8:05 pmBoston Logan Intl
20h 45m
2 stops
OTP11:50 pmBucharest Otopeni Intl
May 28
OTP6:15 amBucharest Otopeni Intl
16h 25m
2 stops
BOS3:40 pmBoston Logan Intl
$527

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 January 28, 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

Mon 2/23

10:10 pm-3:50 pm

1 stop10h 40m

Bucharest Otopeni Intl

Wed 3/11

1:05 pm-7:35 pm

1 stop12h 30m

$371

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Thu 2/19

2:20 pm-6:25 pm

2 stops21h 05m

Bucharest Otopeni Intl

Thu 2/26

7:10 pm-2:05 pm

1 stop25h 55m

$380

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 3/8

7:25 pm-12:30 pm

1 stop11h 05m

Bucharest Otopeni Intl

Fri 5/8

6:15 am-5:59 pm

2 stops18h 44m

$384

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 3/8

7:25 pm-11:50 pm

1 stop22h 25m

Bucharest Otopeni Intl

Fri 5/8

6:35 am-1:50 pm

1 stop14h 15m

$393

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 2/23

10:10 pm-3:50 pm

1 stop10h 40m

Bucharest Otopeni Intl

Wed 3/11

6:55 am-6:41 pm

2 stops17h 46m

$404

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 2/23

10:03 am-12:05 pm

2 stops19h 02m

Bucharest Otopeni Intl

Wed 3/11

6:05 am-7:23 am

2 stops31h 18m

$411

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 3/8

5:45 am-12:30 pm

2 stops24h 45m

Bucharest Otopeni Intl

Fri 5/8

6:15 am-4:08 pm

2 stops40h 53m

$418

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 5/18

5:20 pm-1:05 am

1 stop24h 45m

Bucharest Otopeni Intl

Thu 5/28

6:20 am-3:10 pm

1 stop15h 50m

$442

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Fri 2/20

6:25 pm-5:50 pm

1 stop16h 25m

Bucharest Otopeni Intl

Fri 2/27

6:55 am-2:05 pm

1 stop14h 10m

$449

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 5/19

5:45 pm-1:00 pm

1 stop12h 15m

Bucharest Otopeni Intl

Wed 5/27

6:20 am-7:55 pm

1 stop20h 35m

$460

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 $727 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 January 2026, prices for Boston to Bucharest Otopeni Intl Airport flights are approximately 32% 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

11h 05m

Direct flights

None
The fastest flight from Boston to Bucharest Otopeni Intl Airport takes 11h 05m
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 11h 05m, 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
1,863 reviews
Search SWISS flights
Air FrancePriceFrom $401Free CancellationRating
7.4
1,528 reviews
Search Air France flights
British AirwaysPriceFrom $415Free CancellationRating
6.7
7,704 reviews
Search British Airways flights
KLMPriceFrom $439Free CancellationRating
7.7
1,443 reviews
Search KLM flights
United AirlinesPriceFrom $456Free CancellationRating
7.4
9,205 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $475Free CancellationRating
7.3
4,209 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $482Free CancellationRating
6.8
7,749 reviews
Search Lufthansa flights
DeltaPriceFrom $512Free CancellationRating
7.9
8,120 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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