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Cheap flights from Boston to Bucharest from $274

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 11/8. 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
11:35 pm - 1:35 am
BOS
-
OTP
19h 00m
1 stop
Multiple Airlines Logo
5:45 am - 9:05 pm
OTP
-
BOS
22h 20m
2 stops
$585Multiple Airlines
Sun, Sep 6 - Wed, Sep 23
Multiple Airlines Logo
11:35 pm - 10:00 pm
BOS
-
OTP
15h 25m
1 stop
Multiple Airlines Logo
8:20 pm - 9:45 pm
OTP
-
BOS
32h 25m
2 stops
$594Multiple Airlines
Sun, Sep 20 - Sat, Sep 26
Multiple Airlines Logo
11:35 pm - 1:35 am
BOS
-
OTP
19h 00m
1 stop
Multiple Airlines Logo
6:20 pm - 9:05 pm
OTP
-
BOS
33h 45m
1 stop
$605Multiple Airlines
Sun, Sep 6 - Wed, Sep 23
Multiple Airlines Logo
10:55 pm - 1:50 am
BOS
-
OTP
19h 55m
2 stops
Multiple Airlines Logo
6:20 pm - 9:45 pm
OTP
-
BOS
34h 25m
1 stop
$617Multiple Airlines
Wed, Jul 15 - Wed, Jul 29
Austrian Airlines Logo
2:28 pm - 6:05 pm
BOS
-
OTP
20h 37m
2 stops
Austrian Airlines Logo
6:35 am - 1:50 pm
OTP
-
BOS
14h 15m
1 stop
$621Austrian Airlines
Tue, Sep 1 - Fri, Sep 11
Multiple Airlines Logo
10:55 pm - 1:50 am
BOS
-
OTP
19h 55m
2 stops
Multiple Airlines Logo
12:50 pm - 9:05 pm
OTP
-
BOS
15h 15m
1 stop
$622Multiple Airlines
Wed, Jul 15 - Wed, Jul 29
Multiple Airlines Logo
11:35 pm - 10:00 pm
BOS
-
OTP
15h 25m
1 stop
Multiple Airlines Logo
6:20 pm - 9:45 pm
OTP
-
BOS
34h 25m
1 stop
$624Multiple Airlines
Sun, Sep 20 - Sat, Sep 26
Austrian Airlines Logo
5:10 pm - 12:25 pm
BOS
-
OTP
12h 15m
1 stop
Austrian Airlines Logo
1:15 pm - 1:50 pm
OTP
-
BOS
31h 35m
1 stop
$631Austrian Airlines
Wed, Sep 2 - Wed, Sep 9
Multiple Airlines Logo
9:40 pm - 3:20 pm
BOS
-
OTP
10h 40m
1 stop
Multiple Airlines Logo
3:55 pm - 1:50 pm
OTP
-
BOS
28h 55m
1 stop
$636Multiple Airlines
Sun, Sep 13 - Mon, Sep 21
Multiple Airlines Logo
10:55 pm - 1:20 pm
BOS
-
OTP
31h 25m
1 stop
Multiple Airlines Logo
6:00 am - 9:05 pm
OTP
-
BOS
22h 05m
1 stop
$643Multiple Airlines
Wed, Jul 15 - Wed, Jul 29

United Airlines flights from Boston to Bucharest

Our best United Airlines deals on Boston to Bucharest flight tickets
United Airlines
Aug 31
BOS7:15 pmBoston Logan Intl
33h 45m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Sep 17
OTP6:15 amBucharest Otopeni Intl
34h 40m
2 stops
BOS9:55 amBoston Logan Intl
$708
United Airlines
May 31
BOS8:05 pmBoston Logan Intl
15h 30m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Jun 16
OTP6:55 pmBucharest Otopeni Intl
25h 55m
1 stop
BOS1:50 pmBoston Logan Intl
$973
United Airlines
May 31
BOS8:05 pmBoston Logan Intl
15h 30m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Jun 17
OTP6:15 amBucharest Otopeni Intl
18h 25m
1 stop
BOS5:40 pmBoston Logan Intl
$976

SWISS flights from Boston to Bucharest

Our best SWISS deals on Boston to Bucharest flight tickets
SWISS
Sep 1
BOS9:40 pmBoston Logan Intl
10h 40m
1 stop
OTP3:20 pmBucharest Otopeni Intl
Sep 11
OTP6:20 amBucharest Otopeni Intl
15h 50m
1 stop
BOS3:10 pmBoston Logan Intl
$669
SWISS
Oct 13
BOS9:40 pmBoston Logan Intl
20h 30m
1 stop
OTP1:10 amBucharest Otopeni Intl
Oct 19
OTP4:10 pmBucharest Otopeni Intl
30h 00m
1 stop
BOS3:10 pmBoston Logan Intl
$670
SWISS
Oct 7
BOS5:20 pmBoston Logan Intl
15h 00m
1 stop
OTP3:20 pmBucharest Otopeni Intl
Oct 21
OTP4:10 pmBucharest Otopeni Intl
34h 45m
1 stop
BOS7:55 pmBoston Logan Intl
$684

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 May 18, 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

Cheapest round-trip

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 9/6

11:35 pm-1:35 am

1 stop19h 00m

Bucharest Otopeni Intl

Wed 9/23

5:45 am-9:05 pm

2 stops22h 20m

$585

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 9/20

11:35 pm-10:00 pm

1 stop15h 25m

Bucharest Otopeni Intl

Sat 9/26

8:20 pm-9:45 pm

2 stops32h 25m

$594

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 9/6

11:35 pm-1:35 am

1 stop19h 00m

Bucharest Otopeni Intl

Wed 9/23

6:20 pm-9:05 pm

1 stop33h 45m

$605

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 7/15

10:55 pm-1:50 am

2 stops19h 55m

Bucharest Otopeni Intl

Wed 7/29

6:20 pm-9:45 pm

1 stop34h 25m

$617
Quickest round-trip

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Tue 9/1

2:28 pm-6:05 pm

2 stops20h 37m

Bucharest Otopeni Intl

Fri 9/11

6:35 am-1:50 pm

1 stop14h 15m

$621

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 7/15

10:55 pm-1:50 am

2 stops19h 55m

Bucharest Otopeni Intl

Wed 7/29

12:50 pm-9:05 pm

1 stop15h 15m

$622

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 9/20

11:35 pm-10:00 pm

1 stop15h 25m

Bucharest Otopeni Intl

Sat 9/26

6:20 pm-9:45 pm

1 stop34h 25m

$624

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 9/2

5:10 pm-12:25 pm

1 stop12h 15m

Bucharest Otopeni Intl

Wed 9/9

1:15 pm-1:50 pm

1 stop31h 35m

$631

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Sun 9/13

9:40 pm-3:20 pm

1 stop10h 40m

Bucharest Otopeni Intl

Mon 9/21

3:55 pm-1:50 pm

1 stop28h 55m

$636

BostonBucharest

BOS - OTP

BOSOTP

Boston Logan Intl

Wed 7/15

10:55 pm-1:20 pm

1 stop31h 25m

Bucharest Otopeni Intl

Wed 7/29

6:00 am-9:05 pm

1 stop22h 05m

$643

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, 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 $350. If you aren’t able to travel to Bucharest during the month of March, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $381.

How far in advance should I book a flight from Boston 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 $671 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 $435 on momondo.

How have Boston to Bucharest flight prices changed over time?

As of May 2026, prices for Boston to Bucharest flights are approximately 6% 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

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

Frequently asked questions about flying from Boston to Bucharest

  • 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
Austrian AirlinesPriceFrom $350Free CancellationRating
7.6
913 reviews
Search Austrian Airlines flights
SWISSPriceFrom $372Free CancellationRating
7.5
1,951 reviews
Search SWISS flights
Air FrancePriceFrom $401Free CancellationRating
7.4
1,588 reviews
Search Air France flights
British AirwaysPriceFrom $415Free CancellationRating
6.7
7,988 reviews
Search British Airways flights
KLMPriceFrom $439Free CancellationRating
7.8
1,517 reviews
Search KLM flights
United AirlinesPriceFrom $456Free CancellationRating
7.4
9,735 reviews
Search United Airlines flights
LufthansaPriceFrom $473Free CancellationRating
6.8
8,010 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $475Free CancellationRating
7.4
4,377 reviews
Search Turkish Airlines flights
DeltaPriceFrom $512Free CancellationRating
7.9
8,452 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

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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