Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Bulgaria from $333

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 Bulgaria departing on 7/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:00 pm - 8:35 pm
BOS
-
VAR
17h 35m
1 stop
Turkish Airlines Logo
10:05 am - 6:05 pm
VAR
-
BOS
15h 00m
1 stop
$699Turkish Airlines
Sun, Nov 22 - Wed, Dec 2
Multiple Airlines Logo
11:35 pm - 12:35 pm
BOS
-
VAR
30h 00m
1 stop
Multiple Airlines Logo
8:00 pm - 9:45 pm
VAR
-
BOS
32h 45m
2 stops
$713Multiple Airlines
Sun, Sep 13 - Sat, Oct 3
Turkish Airlines Logo
9:50 pm - 9:20 pm
BOS
-
VAR
16h 30m
1 stop
Turkish Airlines Logo
10:10 pm - 7:55 pm
VAR
-
BOS
28h 45m
1 stop
$760Turkish Airlines
Sun, Sep 13 - Sat, Oct 3
Turkish Airlines Logo
9:50 pm - 8:30 am
BOS
-
VAR
27h 40m
1 stop
Turkish Airlines Logo
9:20 am - 7:55 pm
VAR
-
BOS
17h 35m
1 stop
$774Turkish Airlines
Sun, Sep 13 - Sun, Sep 27
Turkish Airlines Logo
9:50 pm - 8:30 am
BOS
-
VAR
27h 40m
1 stop
Turkish Airlines Logo
9:20 am - 7:55 pm
VAR
-
BOS
17h 35m
1 stop
$780Turkish Airlines
Mon, Sep 14 - Sun, Sep 20
Multiple Airlines Logo
5:25 pm - 11:50 am
BOS
-
BOJ
11h 25m
1 stop
Multiple Airlines Logo
9:50 am - 9:05 pm
BOJ
-
BOS
42h 15m
2 stops
$795Multiple Airlines
Sat, Aug 29 - Wed, Sep 16
SWISS Logo
5:10 pm - 10:20 am
BOS
-
SOF
10h 10m
1 stop
SWISS Logo
11:05 am - 7:55 pm
SOF
-
BOS
15h 50m
1 stop
$817SWISS
Tue, Jul 28 - Wed, Aug 26
SWISS Logo
9:40 pm - 10:20 am
BOS
-
SOF
29h 40m
1 stop
SWISS Logo
11:05 am - 7:55 pm
SOF
-
BOS
15h 50m
1 stop
$827SWISS
Mon, Aug 17 - Wed, Aug 26
United Airlines Logo
8:40 pm - 6:20 pm
BOS
-
SOF
14h 40m
1 stop
United Airlines Logo
6:00 am - 6:42 pm
SOF
-
BOS
19h 42m
2 stops
$829United Airlines
Sun, Nov 1 - Wed, Nov 18
United Airlines Logo
12:02 pm - 1:15 pm
BOS
-
SOF
18h 13m
2 stops
United Airlines Logo
7:55 am - 9:55 pm
SOF
-
BOS
21h 00m
2 stops
$833United Airlines
Mon, Nov 2 - Fri, Nov 20

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Lufthansa flights from Boston to Bulgaria

Our best Lufthansa deals on Boston to Bulgaria flight tickets
Lufthansa
Sep 9
BOS7:23 pmBoston Logan Intl
16h 17m
2 stops
SOF6:40 pmSofia
Jan 14
SOF6:00 amSofia
19h 35m
1 stop
BOS6:35 pmBoston Logan Intl
$844
Lufthansa
Jul 7
BOS8:05 pmBoston Logan Intl
15h 35m
1 stop
SOF6:40 pmSofia
Aug 25
SOF6:10 amSofia
18h 30m
1 stop
BOS5:40 pmBoston Logan Intl
$852
Lufthansa
Jul 7
BOS8:05 pmBoston Logan Intl
15h 35m
1 stop
SOF6:40 pmSofia
Aug 25
SOF6:10 amSofia
18h 30m
1 stop
BOS5:40 pmBoston Logan Intl
$853

Air Canada flights from Boston to Bulgaria

Our best Air Canada deals on Boston to Bulgaria flight tickets
Air Canada
Sep 8
BOS10:40 amBoston Logan Intl
25h 00m
2 stops
SOF6:40 pmSofia
Jan 12
SOF6:00 amSofia
37h 12m
2 stops
BOS12:12 pmBoston Logan Intl
$846
Air Canada
Oct 7
BOS10:40 amBoston Logan Intl
25h 00m
2 stops
SOF6:40 pmSofia
Oct 20
SOF12:55 pmSofia
15h 31m
2 stops
BOS9:26 pmBoston Logan Intl
$850
Air Canada
Sep 7
BOS10:50 amBoston Logan Intl
18h 20m
2 stops
SOF12:10 pmSofia
Jan 13
SOF6:00 amSofia
19h 42m
2 stops
BOS6:42 pmBoston Logan Intl
$851

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Bulgaria 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 June 22, 2026.
Use the filters below to find and compare flights from Boston to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonVarna

BOS - VAR

BOSVAR

Boston Logan Intl

Sun 11/22

8:00 pm-8:35 pm

1 stop17h 35m

Varna

Wed 12/2

10:05 am-6:05 pm

1 stop15h 00m

$699

BostonVarna

BOS - VAR

BOSVAR

Boston Logan Intl

Sun 9/13

11:35 pm-12:35 pm

1 stop30h 00m

Varna

Sat 10/3

8:00 pm-9:45 pm

2 stops32h 45m

$713

BostonVarna

BOS - VAR

BOSVAR

Boston Logan Intl

Sun 9/13

9:50 pm-9:20 pm

1 stop16h 30m

Varna

Sat 10/3

10:10 pm-7:55 pm

1 stop28h 45m

$760

BostonVarna

BOS - VAR

BOSVAR

Boston Logan Intl

Sun 9/13

9:50 pm-8:30 am

1 stop27h 40m

Varna

Sun 9/27

9:20 am-7:55 pm

1 stop17h 35m

$774

BostonVarna

BOS - VAR

BOSVAR

Boston Logan Intl

Mon 9/14

9:50 pm-8:30 am

1 stop27h 40m

Varna

Sun 9/20

9:20 am-7:55 pm

1 stop17h 35m

$780

BostonBurgas

BOS - BOJ

BOSBOJ

Boston Logan Intl

Sat 8/29

5:25 pm-11:50 am

1 stop11h 25m

Bourgas

Wed 9/16

9:50 am-9:05 pm

2 stops42h 15m

$795
Quickest round-trip

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 7/28

5:10 pm-10:20 am

1 stop10h 10m

Sofia

Wed 8/26

11:05 am-7:55 pm

1 stop15h 50m

$817

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 8/17

9:40 pm-10:20 am

1 stop29h 40m

Sofia

Wed 8/26

11:05 am-7:55 pm

1 stop15h 50m

$827

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 11/1

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

Wed 11/18

6:00 am-6:42 pm

2 stops19h 42m

$829

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 11/2

12:02 pm-1:15 pm

2 stops18h 13m

Sofia

Fri 11/20

7:55 am-9:55 pm

2 stops21h 00m

$833

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Bulgaria from

How to get the cheapest flight ticket from Boston to Bulgaria

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 Bulgaria?

If you aren’t able to travel to Bulgaria during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $320.

How far in advance should I book a flight from Boston to Bulgaria?

You are more likely to see cheaper flights to Bulgaria from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $632 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from Boston for as low as $474 on momondo.

Can stopping save me money on Boston to Bulgaria flights?

You could potentially save up to 58% on your flight if you consider stops on a Boston to Bulgaria flight.

Cheap Boston to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Bulgaria

Fastest flight time

14h 30m

Direct flights

None
The fastest flight from Boston to Bulgaria takes 14h 30m
There are no direct flights from Boston to Bulgaria. There are no popular flight routes from Boston to Bulgaria.
Search flight deals

Frequently asked questions about flying from Boston to Bulgaria

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Bulgaria?

    Prices for flights from Boston Logan Intl Airport to Bulgaria refresh daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Bulgaria?

  • How old do you have to be to fly from Boston Logan Intl Airport to Bulgaria?

    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 Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The travel and health documents required for your trip to Bulgaria 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 Bulgaria. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Boston to Bulgaria

Compare and see reviews for airlines that fly from Boston to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
Austrian AirlinesPriceFrom $356Free CancellationRating
7.6
938 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $394Free CancellationRating
7.4
9,875 reviews
Search United Airlines flights
LufthansaPriceFrom $395Free CancellationRating
6.8
8,086 reviews
Search Lufthansa flights
Air FrancePriceFrom $396Free CancellationRating
7.5
1,613 reviews
Search Air France flights
KLMPriceFrom $403Free CancellationRating
7.8
1,530 reviews
Search KLM flights
SWISSPriceFrom $410Free CancellationRating
7.5
1,971 reviews
Search SWISS flights
British AirwaysPriceFrom $421Free CancellationRating
6.7
8,064 reviews
Search British Airways flights
ITA AirwaysPriceFrom $511Free CancellationRating
6.7
1,264 reviews
Search ITA Airways flights
Turkish AirlinesPriceFrom $514Free CancellationRating
7.4
4,407 reviews
Search Turkish Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Bulgaria?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Bulgaria. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Bulgaria with flexible booking policies on momondo?

Yes. All flights to Bulgaria from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to Bulgaria?

momondo helps you find the best flight between Boston and Bulgaria 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 Bulgaria right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Bulgaria, momondo offers a useful price alert feature which will track prices for flights to Bulgaria from Boston and alert you when they change.

An easier way to manage your Bulgaria 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 7/22
Wed 7/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bulgaria

Popular cities in Bulgaria

Popular flights according to clicks in the last 7 days on momondo
Flights to Sofiafrom $616
Flights to Varnafrom $700
Flights to Burgasfrom $753
Flights to Plovdivfrom $1,586