$397 Cheap United flights from Boston to Sofia (BOS to SOF)

Find The Best Day To Fly from Boston to Sofia

Amazing United BOS to SOF Flight Deals

The cheapest flights to Sofia found within the past 7 days were round trip and $397 one way. Prices and availability subject to change. Additional terms may apply.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
DENUSADenver Intl.226
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
EWRUSALiberty Intl.20
NRTJPNNarita Intl.19

Travelers ❤️ these 🏨 after their flight to Sofia

Ibis Sofia Airport

Ibis Sofia Airport

3 out of 5
132 Mimi Balkanska Str, Sofia
A restaurant and a bar/lounge are featured at this hotel. Traveling on business? Take advantage of the free WiFi in public areas, express check-out, and free ...
8/10 Very Good! (911 reviews)
Rock out couple
"This by far is the best Ibis I’ve stayed at! Great location close to airport and free shuttle 24 hours a day! The breakfast spread is definitely out of this world! They even give you a to-go bag if you have to check out early like we did! They included a fruit and a sandwich! Will stay here ..."

Reviewed on Jul 16, 2025

Ibis Sofia Airport
Hotel Premier Sofia Airport

Hotel Premier Sofia Airport

4 out of 5
11 Briuksel Boulevard, Sofia
This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
9/10 Wonderful! (1,001 reviews)
"My stay at hotel Premier was easy, convenient and simple. As long as you book the shuttle with the hotel they would transport you to and from the airport. The staff was also particularly helpful."

Reviewed on Jul 2, 2025

Hotel Premier Sofia Airport
ATM Aparts Sofia

ATM Aparts Sofia

3 out of 5
Poligona Area, Building 44, Entrance A, Sofia
This aparthotel includes free WiFi in public areas and laundry facilities.
8/10 Very Good! (70 reviews)
"Nice apartment. All fine."

Reviewed on Jun 25, 2025

ATM Aparts Sofia
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.