What is the cheapest airline that flies from Sofia to Pennsylvania?

British Airways and United Airlines are the most popular carriers operating from Sofia to Pennsylvania

When did momondo last update prices for flights from Sofia Airport to Pennsylvania?

Prices for flights from Sofia Airport to Pennsylvania are updated daily.

How many operators does momondo search for flights from Sofia Airport to Pennsylvania?

As of May 2026, there are 8 operators available to choose from for flights from Sofia Airport to Pennsylvania.

How old do you have to be to fly from Sofia Airport to Pennsylvania?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Pennsylvania.

What documentation or ID do you need to fly to Pennsylvania?

The required travel and health documents for your Pennsylvania trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Pennsylvania. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$277 Cheap Flights from Sofia to Pennsylvania in 2026

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Find the cheapest flights from Sofia to Pennsylvania

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 3:35 pm

SOF

IAD

15h 35m

1 stop

6:15 pm - 2:00 pm

IAD

SOF

12h 45m

1 stop

$647Multiple Airlines

Wed, Sep 23 - Sun, Oct 11

7:00 am - 3:35 pm

SOF

IAD

15h 35m

1 stop

6:15 pm - 2:00 pm

IAD

SOF

12h 45m

1 stop

$648Multiple Airlines

Wed, Sep 23 - Sun, Oct 11

7:00 am - 3:35 pm

SOF

IAD

15h 35m

1 stop

5:45 pm - 2:05 pm

IAD

SOF

13h 20m

1 stop

$653KLM

Tue, Oct 6 - Tue, Mar 2

7:00 am - 4:38 pm

SOF

IAD

16h 38m

2 stops

6:15 pm - 2:00 pm

IAD

SOF

12h 45m

1 stop

$657Multiple Airlines

Sun, Sep 6 - Sat, Sep 12

7:00 am - 4:38 pm

SOF

IAD

16h 38m

2 stops

12:30 pm - 2:00 pm

IAD

SOF

18h 30m

2 stops

$662Multiple Airlines

Sun, Sep 6 - Sat, Sep 12

7:00 am - 3:35 pm

SOF

IAD

15h 35m

1 stop

5:40 pm - 2:00 pm

IAD

SOF

13h 20m

1 stop

$664KLM

Wed, Sep 23 - Thu, Apr 1

6:20 am - 4:05 pm

SOF

IAD

16h 45m

1 stop

10:20 pm - 6:40 pm

IAD

SOF

13h 20m

1 stop

$685Lufthansa

Mon, Jul 13 - Wed, Jul 22

3:50 pm - 10:30 pm

SOF

EWR

13h 40m

1 stop

1:25 am - 8:50 pm

EWR

SOF

13h 25m

1 stop

$757Turkish Airlines

Fri, Oct 23 - Wed, Oct 28

6:20 am - 4:05 pm

SOF

PHL

16h 45m

1 stop

3:10 pm - 11:15 pm

PHL

SOF

25h 05m

2 stops

$789United Airlines

Mon, Jun 8 - Mon, Jun 15

6:20 am - 4:05 pm

SOF

PHL

16h 45m

1 stop

5:40 pm - 10:40 pm

PHL

SOF

22h 00m

1 stop

$790United Airlines

Mon, Jun 8 - Mon, Jun 15

LOT flights from Sofia to Pennsylvania

Our best LOT deals on Sofia to Pennsylvania flight tickets

LOT

Oct 23

SOF2:35 pmSofia

12h 45m

1 stop

JFK8:20 pmNew York John F Kennedy Intl

Oct 31

JFK11:35 pmNew York John F Kennedy Intl

12h 15m

1 stop

SOF5:50 pmSofia

$728

LOT

Oct 23

SOF2:35 pmSofia

12h 45m

1 stop

JFK8:20 pmNew York John F Kennedy Intl

Nov 1

JFK10:35 pmNew York John F Kennedy Intl

32h 15m

1 stop

SOF1:50 pmSofia

$729

LOT

Jun 4

SOF5:30 amSofia

21h 50m

1 stop

JFK8:20 pmNew York John F Kennedy Intl

Aug 20

JFK10:20 pmNew York John F Kennedy Intl

12h 40m

1 stop

SOF6:00 pmSofia

$740

Lufthansa flights from Sofia to Pennsylvania

Our best Lufthansa deals on Sofia to Pennsylvania flight tickets

Lufthansa

Jul 13

SOF6:20 amSofia

16h 45m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

Jul 22

IAD10:20 pmWashington, D.C. Dulles Intl

13h 20m

1 stop

SOF6:40 pmSofia

$685

Lufthansa

Aug 11

SOF2:10 pmSofia

12h 55m

1 stop

JFK8:05 pmNew York John F Kennedy Intl

Aug 22

JFK5:30 pmNew York John F Kennedy Intl

11h 40m

1 stop

SOF12:10 pmSofia

$749

Lufthansa

Jul 15

SOF1:50 pmSofia

13h 10m

1 stop

IAD8:00 pmWashington, D.C. Dulles Intl

Aug 4

IAD5:30 pmWashington, D.C. Dulles Intl

11h 40m

1 stop

SOF12:10 pmSofia

$752

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 9/23

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sun 10/11

6:15 pm-2:00 pm

1 stop12h 45m

$647

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 9/23

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sun 10/11

6:15 pm-2:00 pm

1 stop12h 45m

$648

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 10/6

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Tue 3/2

5:45 pm-2:05 pm

1 stop13h 20m

$653

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sun 9/6

7:00 am-4:38 pm

2 stops16h 38m

Washington, D.C. Dulles Intl

Sat 9/12

6:15 pm-2:00 pm

1 stop12h 45m

$657

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sun 9/6

7:00 am-4:38 pm

2 stops16h 38m

Washington, D.C. Dulles Intl

Sat 9/12

12:30 pm-2:00 pm

2 stops18h 30m

$662

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 9/23

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 4/1

5:40 pm-2:00 pm

1 stop13h 20m

$664

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 7/13

6:20 am-4:05 pm

1 stop16h 45m

Washington, D.C. Dulles Intl

Wed 7/22

10:20 pm-6:40 pm

1 stop13h 20m

$685

Quickest round-trip

SofiaNewark

SOF - EWR

SOFEWR

Sofia

Fri 10/23

3:50 pm-10:30 pm

1 stop13h 40m

Newark

Wed 10/28

1:25 am-8:50 pm

1 stop13h 25m

$757

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Mon 6/8

6:20 am-4:05 pm

1 stop16h 45m

Philadelphia

Mon 6/15

3:10 pm-11:15 pm

2 stops25h 05m

$789

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Mon 6/8

6:20 am-4:05 pm

1 stop16h 45m

Philadelphia

Mon 6/15

5:40 pm-10:40 pm

1 stop22h 00m

$790

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Sofia to Pennsylvania

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

Prices

Airlines

Can stopping save me money on Sofia to Pennsylvania flights?

You could potentially save up to 5% on your flight if you consider stops on a Sofia to Pennsylvania flight.

Cheap Sofia to Pennsylvania flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to Pennsylvania

Fastest flight time	12h 55m
Direct flights	None

The fastest flight from Sofia to Pennsylvania takes 12h 55m

There are no direct flights from Sofia to Pennsylvania. There are no popular flight routes from Sofia to Pennsylvania.

Search flight deals

Frequently asked questions about flying from Sofia to Pennsylvania

When did momondo last update prices for flights from Sofia Airport to Pennsylvania?
Prices for flights from Sofia Airport to Pennsylvania are updated daily.
How many operators does momondo search for flights from Sofia Airport to Pennsylvania?
As of May 2026, there are 8 operators available to choose from for flights from Sofia Airport to Pennsylvania.
How old do you have to be to fly from Sofia Airport to Pennsylvania?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Pennsylvania.
What documentation or ID do you need to fly to Pennsylvania?
The required travel and health documents for your Pennsylvania trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Pennsylvania. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Sofia to Pennsylvania

Compare and see reviews for airlines that fly from Sofia to Pennsylvania with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $671	Free Cancellation	Rating 6.8 8,029 reviews		Search Lufthansa flights
United Airlines	PriceFrom $706	Free Cancellation	Rating 7.4 9,749 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Sofia to Pennsylvania?

It is quick and easy to find Sofia to Pennsylvania flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Pennsylvania that suits you.

Can I find flights from Sofia to Pennsylvania with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Pennsylvania from Sofia with this policy.

How can momondo help me find flights from Sofia to Pennsylvania?

momondo provides multiple filters to help you find the best flight to Pennsylvania from Sofia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Sofia to Pennsylvania right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Sofia to Pennsylvania flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.