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Cheap flights from Boston to Bucharest from $253

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.
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.
Air France Logo
7:30 pm - 8:10 pm
BOS
-
OTP
18h 40m
1 stop
Air France Logo
6:00 am - 1:33 pm
OTP
-
BOS
14h 33m
1 stop
$402Air France
Sun, Mar 22 - Tue, Mar 31
Delta Logo
9:30 pm - 10:50 pm
BOS
-
OTP
19h 20m
1 stop
Delta Logo
7:05 am - 4:25 pm
OTP
-
BOS
16h 20m
1 stop
$403Delta
Sun, Mar 22 - Wed, Apr 1
Multiple Airlines Logo
7:30 pm - 8:10 pm
BOS
-
OTP
18h 40m
1 stop
Multiple Airlines Logo
6:10 pm - 1:13 pm
OTP
-
BOS
26h 03m
1 stop
$404Multiple Airlines
Mon, Mar 23 - Mon, Mar 30
Delta Logo
9:30 pm - 10:50 pm
BOS
-
OTP
19h 20m
1 stop
Delta Logo
7:05 am - 11:30 pm
OTP
-
BOS
23h 25m
2 stops
$413Delta
Sun, Mar 22 - Wed, Apr 1
KLM Logo
6:55 pm - 11:45 pm
BOS
-
OTP
21h 50m
1 stop
KLM Logo
8:35 am - 4:25 pm
OTP
-
BOS
14h 50m
1 stop
$415KLM
Tue, Mar 31 - Tue, Apr 7
Delta Logo
8:10 pm - 1:00 pm
BOS
-
OTP
10h 50m
1 stop
Delta Logo
2:00 pm - 1:13 pm
OTP
-
BOS
30h 13m
1 stop
$416Delta
Mon, Mar 23 - Wed, Apr 1
Delta Logo
8:10 pm - 1:00 pm
BOS
-
OTP
10h 50m
1 stop
Delta Logo
2:00 pm - 1:13 pm
OTP
-
BOS
30h 13m
1 stop
$417Delta
Mon, Mar 23 - Mon, Mar 30
Delta Logo
5:15 pm - 1:00 pm
BOS
-
OTP
13h 45m
2 stops
Delta Logo
6:00 am - 1:33 pm
OTP
-
BOS
14h 33m
1 stop
$420Delta
Mon, Mar 23 - Thu, Apr 2
Multiple Airlines Logo
3:49 pm - 2:45 pm
BOS
-
OTP
16h 56m
2 stops
Multiple Airlines Logo
3:50 pm - 10:55 pm
OTP
-
BOS
13h 05m
1 stop
$421Multiple Airlines
Tue, Mar 10 - Wed, Mar 25
Delta Logo
5:15 pm - 1:00 pm
BOS
-
OTP
13h 45m
2 stops
Delta Logo
2:00 pm - 1:13 pm
OTP
-
BOS
30h 13m
1 stop
$422Delta
Mon, Mar 23 - Mon, Mar 30

Delta flights from Boston to Bucharest

Our best Delta deals on Boston to Bucharest flight tickets
Delta
Mar 22
BOS9:30 pmBoston Logan Intl
19h 20m
1 stop
OTP10:50 pmBucharest Otopeni Intl
Apr 2
OTP7:05 amBucharest Otopeni Intl
13h 08m
1 stop
BOS1:13 pmBoston Logan Intl
$403
Delta
Mar 22
BOS9:30 pmBoston Logan Intl
19h 20m
1 stop
OTP10:50 pmBucharest Otopeni Intl
Apr 1
OTP7:05 amBucharest Otopeni Intl
23h 25m
2 stops
BOS11:30 pmBoston Logan Intl
$413
Delta
Mar 23
BOS8:10 pmBoston Logan Intl
10h 50m
1 stop
OTP1:00 pmBucharest Otopeni Intl
Apr 1
OTP2:00 pmBucharest Otopeni Intl
30h 13m
1 stop
BOS1:13 pmBoston Logan Intl
$416

British Airways flights from Boston to Bucharest

Our best British Airways deals on Boston to Bucharest flight tickets
British Airways
Mar 10
BOS3:49 pmBoston Logan Intl
16h 56m
2 stops
OTP2:45 pmBucharest Otopeni Intl
Mar 25
OTP8:05 amBucharest Otopeni Intl
20h 17m
2 stops
BOS10:22 pmBoston Logan Intl
$431
British Airways
Mar 9
BOS7:06 pmBoston Logan Intl
14h 24m
2 stops
OTP3:30 pmBucharest Otopeni Intl
Mar 16
OTP8:05 amBucharest Otopeni Intl
20h 17m
2 stops
BOS10:22 pmBoston Logan Intl
$481
British Airways
Mar 25
BOS10:35 pmBoston Logan Intl
18h 55m
1 stop
OTP11:30 pmBucharest Otopeni Intl
Mar 30
OTP3:40 pmBucharest Otopeni Intl
32h 10m
1 stop
BOS4:50 pmBoston Logan Intl
$502

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 February 27, 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

Sun 3/22

7:30 pm-8:10 pm

1 stop18h 40m

Bucharest Otopeni Intl

Tue 3/31

6:00 am-1:33 pm

1 stop14h 33m

$402

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 3/22

9:30 pm-10:50 pm

1 stop19h 20m

Bucharest Otopeni Intl

Wed 4/1

7:05 am-4:25 pm

1 stop16h 20m

$403

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 3/23

7:30 pm-8:10 pm

1 stop18h 40m

Bucharest Otopeni Intl

Mon 3/30

6:10 pm-1:13 pm

1 stop26h 03m

$404

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 3/22

9:30 pm-10:50 pm

1 stop19h 20m

Bucharest Otopeni Intl

Wed 4/1

7:05 am-11:30 pm

2 stops23h 25m

$413

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 3/31

6:55 pm-11:45 pm

1 stop21h 50m

Bucharest Otopeni Intl

Tue 4/7

8:35 am-4:25 pm

1 stop14h 50m

$415

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 3/23

8:10 pm-1:00 pm

1 stop10h 50m

Bucharest Otopeni Intl

Wed 4/1

2:00 pm-1:13 pm

1 stop30h 13m

$416

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 3/23

8:10 pm-1:00 pm

1 stop10h 50m

Bucharest Otopeni Intl

Mon 3/30

2:00 pm-1:13 pm

1 stop30h 13m

$417

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 3/23

5:15 pm-1:00 pm

2 stops13h 45m

Bucharest Otopeni Intl

Thu 4/2

6:00 am-1:33 pm

1 stop14h 33m

$420

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 3/10

3:49 pm-2:45 pm

2 stops16h 56m

Bucharest Otopeni Intl

Wed 3/25

3:50 pm-10:55 pm

1 stop13h 05m

$421

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 3/23

5:15 pm-1:00 pm

2 stops13h 45m

Bucharest Otopeni Intl

Mon 3/30

2:00 pm-1:13 pm

1 stop30h 13m

$422

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 cheapest month to fly to Bucharest?

In general, March 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 $516. If you aren’t able to travel to Bucharest during the month of March, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $520.

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 $722 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 February 2026, prices for Boston to Bucharest flights are approximately 18% more expensive 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

11h 35m

Direct flights

None
The fastest flight from Boston to Bucharest takes 11h 35m
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. 11h 35m 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
1,885 reviews
Search SWISS flights
Air FrancePriceFrom $401Free CancellationRating
7.4
1,539 reviews
Search Air France flights
British AirwaysPriceFrom $415Free CancellationRating
6.7
7,772 reviews
Search British Airways flights
KLMPriceFrom $439Free CancellationRating
7.7
1,460 reviews
Search KLM flights
United AirlinesPriceFrom $456Free CancellationRating
7.4
9,358 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $475Free CancellationRating
7.3
4,238 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $479Free CancellationRating
6.8
7,816 reviews
Search Lufthansa flights
DeltaPriceFrom $529Free CancellationRating
7.9
8,241 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?

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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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