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Cheap flights from Boston to Bucharest from $221

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 10/21. 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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Cheap round-trip flights

Air Canada Logo
6:55 pm - 3:20 pmBOS-OTP
37h 25m2 stops
Air Canada Logo
6:30 am - 10:37 pmOTP-BOS
23h 07m2 stops
$440Air Canada
Find Deal
Sat, Oct 18 - Mon, Nov 3
Logo
9:40 pm - 3:20 pmBOS-OTP
10h 40m1 stop
Logo
12:45 pm - 5:40 pmOTP-BOS
11h 55m1 stop
$441
Find Deal
Tue, Oct 14 - Wed, Oct 22
SWISS Logo
5:05 pm - 1:45 pmBOS-OTP
13h 40m1 stop
SWISS Logo
6:30 am - 3:25 pmOTP-BOS
15h 55m1 stop
$442SWISS
Find Deal
Mon, Oct 13 - Wed, Oct 22
Air Canada Logo
6:00 am - 3:20 pmBOS-OTP
26h 20m2 stops
Air Canada Logo
6:30 am - 5:55 pmOTP-BOS
18h 25m2 stops
$443Air Canada
Find Deal
Tue, Oct 14 - Tue, Oct 21
SWISS Logo
5:05 pm - 1:05 amBOS-OTP
25h 00m1 stop
SWISS Logo
4:40 pm - 9:20 pmOTP-BOS
34h 40m1 stop
$467SWISS
Find Deal
Sat, Oct 18 - Sat, Nov 1
Lufthansa Logo
8:40 pm - 6:35 pmBOS-OTP
14h 55m1 stop
Lufthansa Logo
6:05 am - 1:25 pmOTP-BOS
14h 20m2 stops
$468Lufthansa
Find Deal
Thu, Dec 4 - Fri, Dec 12
Air France Logo
5:20 pm - 12:10 pmBOS-OTP
11h 50m1 stop
Air France Logo
1:10 pm - 8:20 pmOTP-BOS
14h 10m1 stop
$470Air France
Find Deal
Mon, Sep 22 - Fri, Oct 3
Lufthansa Logo
8:40 pm - 6:35 pmBOS-OTP
14h 55m1 stop
Lufthansa Logo
7:20 pm - 6:35 pmOTP-BOS
30h 15m1 stop
$472Lufthansa
Find Deal
Thu, Nov 20 - Mon, Dec 1
British Airways Logo
6:55 pm - 3:05 pmBOS-OTP
13h 10m1 stop
British Airways Logo
8:20 pm - 2:20 pmOTP-BOS
25h 00m1 stop
$486British Airways
Find Deal
Sat, Dec 6 - Fri, Dec 12
British Airways Logo
7:30 am - 11:25 pmBOS-OTP
32h 55m1 stop
British Airways Logo
8:00 am - 2:20 pmOTP-BOS
13h 20m1 stop
$501British Airways
Find Deal
Fri, Nov 21 - Thu, Nov 27

Air Canada flights from Boston to Bucharest

Our best Air Canada deals on Boston to Bucharest flight tickets
Air Canada
Oct 18
BOS6:55 pmBoston Logan Intl
37h 25m
2 stops
OTP3:20 pmBucharest Otopeni Intl
Nov 3
OTP6:30 amBucharest Otopeni Intl
23h 07m
2 stops
BOS10:37 pmBoston Logan Intl
$440
Find similar
Air Canada
Oct 14
BOS6:00 amBoston Logan Intl
26h 20m
2 stops
OTP3:20 pmBucharest Otopeni Intl
Oct 21
OTP6:30 amBucharest Otopeni Intl
18h 25m
2 stops
BOS5:55 pmBoston Logan Intl
$443
Find similar
Air Canada
Oct 12
BOS6:30 pmBoston Logan Intl
17h 05m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Oct 21
OTP6:30 amBucharest Otopeni Intl
18h 25m
2 stops
BOS5:55 pmBoston Logan Intl
$445
Find similar

SWISS flights from Boston to Bucharest

Our best SWISS deals on Boston to Bucharest flight tickets
SWISS
Oct 13
BOS5:05 pmBoston Logan Intl
13h 40m
1 stop
OTP1:45 pmBucharest Otopeni Intl
Oct 22
OTP6:30 amBucharest Otopeni Intl
15h 55m
1 stop
BOS3:25 pmBoston Logan Intl
$442
Find similar
SWISS
Oct 18
BOS5:05 pmBoston Logan Intl
25h 00m
1 stop
OTP1:05 amBucharest Otopeni Intl
Nov 1
OTP4:40 pmBucharest Otopeni Intl
34h 40m
1 stop
BOS9:20 pmBoston Logan Intl
$467
Find similar

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 September 14, 2025.
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

Sat 10/18

6:55 pm-3:20 pm

2 stops37h 25m

Bucharest Otopeni Intl

Mon 11/3

6:30 am-10:37 pm

2 stops23h 07m

$440

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 10/14

9:40 pm-3:20 pm

1 stop10h 40m

Bucharest Otopeni Intl

Wed 10/22

12:45 pm-5:40 pm

1 stop11h 55m

$441

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 10/13

5:05 pm-1:45 pm

1 stop13h 40m

Bucharest Otopeni Intl

Wed 10/22

6:30 am-3:25 pm

1 stop15h 55m

$442

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 10/14

6:00 am-3:20 pm

2 stops26h 20m

Bucharest Otopeni Intl

Tue 10/21

6:30 am-5:55 pm

2 stops18h 25m

$443

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sat 10/18

5:05 pm-1:05 am

1 stop25h 00m

Bucharest Otopeni Intl

Sat 11/1

4:40 pm-9:20 pm

1 stop34h 40m

$467

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Thu 12/4

8:40 pm-6:35 pm

1 stop14h 55m

Bucharest Otopeni Intl

Fri 12/12

6:05 am-1:25 pm

2 stops14h 20m

$468

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Mon 9/22

5:20 pm-12:10 pm

1 stop11h 50m

Bucharest Otopeni Intl

Fri 10/3

1:10 pm-8:20 pm

1 stop14h 10m

$470

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Thu 11/20

8:40 pm-6:35 pm

1 stop14h 55m

Bucharest Otopeni Intl

Mon 12/1

7:20 pm-6:35 pm

1 stop30h 15m

$472

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sat 12/6

6:55 pm-3:05 pm

1 stop13h 10m

Bucharest Otopeni Intl

Fri 12/12

8:20 pm-2:20 pm

1 stop25h 00m

$486

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Fri 11/21

7:30 am-11:25 pm

1 stop32h 55m

Bucharest Otopeni Intl

Thu 11/27

8:00 am-2:20 pm

1 stop13h 20m

$501

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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, August 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 $560. If you aren’t able to travel to Bucharest during the month of August, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $575.

What is the cheapest day to depart on your flight to Bucharest?

Our data shows that Saturday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $706. The most expensive day to fly to Bucharest is Monday, with ticket prices averaging around $959.

What is the cheapest time of day to depart on your flight to Bucharest?

According to our data, the cheapest time of day to fly to Bucharest is in the morning. momondo users have found flights departing from Boston to Bucharest in the morning for as low as $683. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Bucharest is in the afternoon when prices are around $935.

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 $728 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 $600 on momondo.

How have Boston to Bucharest flight prices changed over time?

As of September 2025, prices for Boston to Bucharest flights are approximately 21% 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

Direct flights

None
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 $341Free CancellationRating
7.5
1,730 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom $409Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
Air FrancePriceFrom $426Free CancellationRating
7.4
1,468 reviews
Search Air France flights
British AirwaysPriceFrom $501Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
DeltaPriceFrom $512Free CancellationRating
7.9
7,956 reviews
Search Delta flights
Turkish AirlinesPriceFrom $514Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
KLMPriceFrom $521Free CancellationRating
7.8
1,385 reviews
Search KLM flights
United AirlinesPriceFrom $587Free CancellationRating
7.4
8,931 reviews
Search United Airlines flights
LufthansaPriceFrom $608Free CancellationRating
6.8
7,409 reviews
Search Lufthansa 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