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Cheap flights from Boston to Bucharest from $235

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 7/7. 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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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
1:05 pm - 6:35 pm
OTP
-
BOS
12h 30m1 stop
$361Lufthansa
Wed, Jan 21 - Wed, Jan 28
Austrian Airlines Logo
7:25 pm - 6:25 pm
BOS
-
OTP
17h 00m1 stop
Austrian Airlines Logo
7:10 pm - 3:05 pm
OTP
-
BOS
25h 55m1 stop
$362Austrian Airlines
Sun, Mar 15 - Mon, Mar 23
Multiple Airlines Logo
11:10 pm - 3:50 pm
BOS
-
OTP
10h 40m1 stop
Multiple Airlines Logo
7:10 pm - 3:05 pm
OTP
-
BOS
25h 55m1 stop
$367Multiple Airlines
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
7:25 pm - 12:30 pm
BOS
-
OTP
11h 05m1 stop
Multiple Airlines Logo
6:30 am - 9:20 pm
OTP
-
BOS
20h 50m1 stop
$369Multiple Airlines
Tue, Mar 17 - Wed, Mar 25
SWISS Logo
9:50 pm - 12:25 am
BOS
-
OTP
19h 35m1 stop
SWISS Logo
6:30 am - 8:20 pm
OTP
-
BOS
20h 50m1 stop
$376SWISS
Wed, Jan 28 - Tue, Feb 3
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
$377Lufthansa
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
8:40 pm - 6:35 pm
BOS
-
OTP
14h 55m1 stop
Multiple Airlines Logo
6:30 am - 7:42 pm
OTP
-
BOS
20h 12m2 stops
$379Multiple Airlines
Wed, Jan 28 - Tue, Feb 3
Multiple Airlines Logo
8:40 pm - 6:35 pm
BOS
-
OTP
14h 55m1 stop
Multiple Airlines Logo
6:20 am - 5:57 pm
OTP
-
BOS
18h 37m2 stops
$385Multiple Airlines
Tue, Feb 24 - Tue, Apr 14
Multiple Airlines Logo
9:40 pm - 6:35 pm
BOS
-
OTP
14h 55m1 stop
Multiple Airlines Logo
6:20 am - 7:55 pm
OTP
-
BOS
20h 35m1 stop
$389Multiple Airlines
Sun, Mar 8 - Fri, May 8
Multiple Airlines Logo
5:30 am - 3:50 pm
BOS
-
OTP
27h 20m2 stops
Multiple Airlines Logo
6:05 am - 6:02 pm
OTP
-
BOS
18h 57m2 stops
$391Multiple Airlines
Wed, Jan 21 - Wed, Jan 28

Austrian Airlines flights from Boston to Bucharest

Our best Austrian Airlines deals on Boston to Bucharest flight tickets
Austrian Airlines
Mar 15
BOS7:25 pmBoston Logan Intl
17h 00m
1 stop
OTP6:25 pmBucharest Otopeni Intl
Mar 23
OTP7:10 pmBucharest Otopeni Intl
25h 55m
1 stop
BOS3:05 pmBoston Logan Intl
$362
Austrian Airlines
Apr 2
BOS5:10 pmBoston Logan Intl
15h 00m
1 stop
OTP3:10 pmBucharest Otopeni Intl
Apr 6
OTP6:55 pmBucharest Otopeni Intl
31h 11m
2 stops
BOS7:06 pmBoston Logan Intl
$463
Austrian Airlines
Jan 9
BOS6:25 pmBoston Logan Intl
11h 05m
1 stop
OTP12:30 pmBucharest Otopeni Intl
Jan 16
OTP7:10 pmBucharest Otopeni Intl
30h 47m
2 stops
BOS6:57 pmBoston Logan Intl
$521

United Airlines flights from Boston to Bucharest

Our best United Airlines deals on Boston to Bucharest 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
18h 25m
1 stop
BOS5:40 pmBoston Logan Intl
$410
United Airlines
Mar 15
BOS6:40 pmBoston Logan Intl
37h 25m
2 stops
OTP2:05 pmBucharest Otopeni Intl
Mar 23
OTP7:10 pmBucharest Otopeni Intl
29h 31m
2 stops
BOS6:41 pmBoston Logan Intl
$435
United Airlines
May 19
BOS9:40 pmBoston Logan Intl
20h 30m
2 stops
OTP1:10 amBucharest Otopeni Intl
May 28
OTP6:55 pmBucharest Otopeni Intl
25h 55m
1 stop
BOS1:50 pmBoston Logan Intl
$469

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 January 8, 2026.
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 1/21

8:40 pm-6:35 pm

1 stop14h 55m

Bucharest Otopeni Intl

Wed 1/28

1:05 pm-6:35 pm

1 stop12h 30m

$361

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 3/15

7:25 pm-6:25 pm

1 stop17h 00m

Bucharest Otopeni Intl

Mon 3/23

7:10 pm-3:05 pm

1 stop25h 55m

$362

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 3/16

11:10 pm-3:50 pm

1 stop10h 40m

Bucharest Otopeni Intl

Mon 3/23

7:10 pm-3:05 pm

1 stop25h 55m

$367

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 3/17

7:25 pm-12:30 pm

1 stop11h 05m

Bucharest Otopeni Intl

Wed 3/25

6:30 am-9:20 pm

1 stop20h 50m

$369

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 1/28

9:50 pm-12:25 am

1 stop19h 35m

Bucharest Otopeni Intl

Tue 2/3

6:30 am-8:20 pm

1 stop20h 50m

$376

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 1/21

8:40 pm-6:35 pm

1 stop14h 55m

Bucharest Otopeni Intl

Wed 1/28

6:05 am-1:35 pm

2 stops14h 30m

$377

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 1/28

8:40 pm-6:35 pm

1 stop14h 55m

Bucharest Otopeni Intl

Tue 2/3

6:30 am-7:42 pm

2 stops20h 12m

$379

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 2/24

8:40 pm-6:35 pm

1 stop14h 55m

Bucharest Otopeni Intl

Tue 4/14

6:20 am-5:57 pm

2 stops18h 37m

$385

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 3/8

9:40 pm-6:35 pm

1 stop14h 55m

Bucharest Otopeni Intl

Fri 5/8

6:20 am-7:55 pm

1 stop20h 35m

$389

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 1/21

5:30 am-3:50 pm

2 stops27h 20m

Bucharest Otopeni Intl

Wed 1/28

6:05 am-6:02 pm

2 stops18h 57m

$391

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

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 $520. 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.

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 $726 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 $477 on momondo.

How have Boston to Bucharest flight prices changed over time?

As of January 2026, prices for Boston to Bucharest flights are approximately 26% 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

10h 40m

Direct flights

None
The fastest flight from Boston to Bucharest takes 10h 40m
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. 10h 40m 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
1,840 reviews
Search SWISS flights
Air FrancePriceFrom $401Free CancellationRating
7.4
1,519 reviews
Search Air France flights
British AirwaysPriceFrom $415Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
United AirlinesPriceFrom $456Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $475Free CancellationRating
7.3
4,150 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $497Free CancellationRating
6.8
7,692 reviews
Search Lufthansa flights
DeltaPriceFrom $512Free CancellationRating
7.9
8,025 reviews
Search Delta flights
KLMPriceFrom $522Free CancellationRating
7.7
1,434 reviews
Search KLM 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