Newark (EWR) to Sofia (SOF) cheap flight deal from $399 USD in economy class

OSAustrian Airlines

Round Trip•Economy

EWR

Newark Liberty Airport

Newark, United States

SOF

Sofia Airport

Sofia, Bulgaria

$595 USD

-33%$399 USD

Verified Sep 21, 2025 at 5:53 PM

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$449 30$449 1$449 2$509 3$664 4$534 5$665 6$474 7$449 8$449 9$574 10$608 11$665 12$615 13$449 14$449 15$449 16$499 17$602 18$602 19$593 20$424 21$470 22$489 23$449 24$449 25$484 26$489 27$399 28$399 29$399 30$571 31$774 1 2

Fair Availability

20% of dates checked are available within 10% of the lowest price

Saturday, October 4th, 2025

10 round-trip options

Returning

Thu, Oct 9, 2025•5 Day Trip

$803 USD

Google Flights

Returning

Fri, Oct 10, 2025•6 Day Trip

$732 USD

Google Flights

Returning

Sat, Oct 11, 2025•7 Day Trip

$787 USD

Google Flights

Returning

Sun, Oct 12, 2025•8 Day Trip

$915 USD

Google Flights

Returning

Mon, Oct 13, 2025•9 Day Trip

$534 USD

Google Flights

Returning

Tue, Oct 14, 2025•10 Day Trip

$634 USD

Google Flights

Returning

Wed, Oct 15, 2025•11 Day Trip

$609 USD

Google Flights

Returning

Thu, Oct 16, 2025•12 Day Trip

$757 USD

Google Flights

Returning

Fri, Oct 17, 2025•13 Day Trip

$949 USD

Google Flights

Returning

Sat, Oct 18, 2025•14 Day Trip

$949 USD

Google Flights