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

SWISS, Lufthansa, and British Airways are the most popular carriers operating from Phoenix to Sofia

What airlines fly to Sofia?

United Airlines, Lufthansa and British Airways are the top three most popular airlines that fly to Sofia from Phoenix according to our data. United Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 3 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Phoenix to Sofia Airport are refreshed on a daily basis.

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

As of October 2026, there are 3 operators available to choose from for flights from Phoenix to Sofia Airport.

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

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 Phoenix to Sofia Airport.

What documentation or ID do you need to fly to Sofia Airport?

The required travel and health documents for your Sofia Airport 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 Sofia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$286 Cheap Flights from Phoenix to Sofia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Phoenix to Sofia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:38 pm - 10:55 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

23h 17m2 stops Los Angeles Munich Franz Josef Strauss

6:25 am - 9:59 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

24h 34m2 stops Frankfurt am Main Houston George Bush Intcntl

$732United Airlines

Tue, Feb 9 - Fri, Feb 12

2:38 pm - 10:55 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

23h 17m2 stops Los Angeles Munich Franz Josef Strauss

6:25 am - 9:59 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

24h 34m2 stops Frankfurt am Main Houston George Bush Intcntl

$742United Airlines

Tue, Feb 9 - Fri, Feb 12

8:40 pm - 8:10 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

14h 30m1 stop London Heathrow

8:25 pm - 6:35 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

31h 10m1 stop London Heathrow

$802British Airways

Tue, Feb 9 - Fri, Feb 12

8:40 pm - 8:10 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

14h 30m1 stop London Heathrow

8:25 pm - 6:35 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

31h 10m1 stop London Heathrow

$842British Airways

Tue, Feb 9 - Fri, Feb 12

11:22 am - 6:20 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

21h 58m2 stops Los Angeles Munich Franz Josef Strauss

6:00 am - 11:37 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

26h 37m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$856Multiple Airlines

Thu, Dec 10 - Thu, Dec 17

8:00 am - 1:15 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

20h 15m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:00 am - 9:40 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

24h 40m2 stops Munich Franz Josef Strauss Los Angeles

$857United Airlines

Sun, Dec 13 - Sun, Dec 20

7:00 am - 3:30 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

47h 30m3 stops Calgary Paris Charles de Gaulle Belgrade Nikola Tesla

4:00 pm - 10:15 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

39h 15m3 stops Belgrade Nikola Tesla Paris Charles de Gaulle Calgary

$902Multiple Airlines

Fri, Nov 20 - Tue, Dec 1

2:50 pm - 6:20 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

42h 30m2 stops Denver Intl Munich Franz Josef Strauss

6:25 am - 9:59 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

24h 34m2 stops Frankfurt am Main San Francisco

$1,055Lufthansa

Sat, Nov 14 - Wed, Nov 18

10:59 pm - 4:20 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

32h 21m2 stops New York John F Kennedy Intl London Heathrow

9:05 pm - 6:35 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

30h 30m1 stop London Heathrow

$1,099British Airways

Sat, Nov 14 - Wed, Nov 18

4:11 pm - 1:15 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

36h 04m2 stops San Francisco Munich Franz Josef Strauss

7:05 pm - 9:18 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

59h 13m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

$1,152Lufthansa

Thu, Dec 24 - Wed, Jan 6

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British Airways flights from Phoenix to Sofia

Our best British Airways deals on Phoenix to Sofia flight tickets

British Airways

Feb 9

PHX8:40 pmPhoenix Sky Harbor Intl

14h 30m

1 stop

SOF8:10 pmSofia

Feb 12

SOF8:25 pmSofia

31h 10m

1 stop

PHX6:35 pmPhoenix Sky Harbor Intl

$802

British Airways

Feb 9

PHX8:40 pmPhoenix Sky Harbor Intl

14h 30m

1 stop

SOF8:10 pmSofia

Feb 12

SOF8:25 pmSofia

31h 10m

1 stop

PHX6:35 pmPhoenix Sky Harbor Intl

$842

British Airways

Nov 14

PHX10:59 pmPhoenix Sky Harbor Intl

32h 21m

2 stops

SOF4:20 pmSofia

Nov 18

SOF9:05 pmSofia

30h 30m

1 stop

PHX6:35 pmPhoenix Sky Harbor Intl

$1,099

Lufthansa flights from Phoenix to Sofia

Our best Lufthansa deals on Phoenix to Sofia flight tickets

Lufthansa

Nov 5

PHX11:20 amPhoenix Sky Harbor Intl

26h 35m

2 stops

SOF10:55 pmSofia

Nov 12

SOF6:25 amSofia

24h 00m

2 stops

PHX9:25 pmPhoenix Sky Harbor Intl

$939

Lufthansa

Nov 14

PHX2:50 pmPhoenix Sky Harbor Intl

42h 30m

2 stops

SOF6:20 pmSofia

Nov 18

SOF6:25 amSofia

24h 34m

2 stops

PHX9:59 pmPhoenix Sky Harbor Intl

$1,055

Lufthansa

Dec 24

PHX4:11 pmPhoenix Sky Harbor Intl

36h 04m

2 stops

SOF1:15 pmSofia

Jan 6

SOF7:05 pmSofia

59h 13m

2 stops

PHX9:18 pmPhoenix Sky Harbor Intl

$1,152

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Tue 2/9

2:38 pm-10:55 pm

2 stops23h 17m

Sofia

Fri 2/12

6:25 am-9:59 pm

2 stops24h 34m

$732

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Tue 2/9

2:38 pm-10:55 pm

2 stops23h 17m

Sofia

Fri 2/12

6:25 am-9:59 pm

2 stops24h 34m

$742

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Tue 2/9

8:40 pm-8:10 pm

1 stop14h 30m

Sofia

Fri 2/12

8:25 pm-6:35 pm

1 stop31h 10m

$802

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Tue 2/9

8:40 pm-8:10 pm

1 stop14h 30m

Sofia

Fri 2/12

8:25 pm-6:35 pm

1 stop31h 10m

$842

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Thu 12/10

11:22 am-6:20 pm

2 stops21h 58m

Sofia

Thu 12/17

6:00 am-11:37 pm

2 stops26h 37m

$856

Quickest round-trip

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Sun 12/13

8:00 am-1:15 pm

2 stops20h 15m

Sofia

Sun 12/20

6:00 am-9:40 pm

2 stops24h 40m

$857

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Fri 11/20

7:00 am-3:30 pm

3 stops47h 30m

Sofia

Tue 12/1

4:00 pm-10:15 pm

3 stops39h 15m

$902

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Sat 11/14

2:50 pm-6:20 pm

2 stops42h 30m

Sofia

Wed 11/18

6:25 am-9:59 pm

2 stops24h 34m

$1,055

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Sat 11/14

10:59 pm-4:20 pm

2 stops32h 21m

Sofia

Wed 11/18

9:05 pm-6:35 pm

1 stop30h 30m

$1,099

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Thu 12/24

4:11 pm-1:15 pm

2 stops36h 04m

Sofia

Wed 1/6

7:05 pm-9:18 pm

2 stops59h 13m

$1,152

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 Phoenix to Sofia

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

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Phoenix is in March. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Sofia from Phoenix during November instead. Flights to Sofia in November, while not as cheap as those in March, still average around $568.

Cheap Phoenix to Sofia flight deals and tips

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

Best Price Found	$286
Fastest flight time	20h 15m
Direct flights	None

The best one-way flight to Sofia from Phoenix in the past 72 hours is $286. The best round-trip flight deal from Phoenix to Sofia found on momondo in the last 72 hours is $732.

The fastest flight from Phoenix to Sofia takes 20h 15m

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

Search flight deals

Frequently asked questions about flying from Phoenix to Sofia

How far is Phoenix to Sofia by plane?
A flight from Phoenix to Sofia will travel around 6462.8 mi. A reasonable flight in good conditions will take 20h 15m.
When did momondo last update prices for flights from Phoenix to Sofia Airport?
Prices for flights from Phoenix to Sofia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Phoenix to Sofia Airport?
As of October 2026, there are 3 operators available to choose from for flights from Phoenix to Sofia Airport.
How old do you have to be to fly from Phoenix to Sofia Airport?
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 Phoenix to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The required travel and health documents for your Sofia Airport 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 Sofia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Phoenix to Sofia

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

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $617	Free Cancellation	Rating 6.8 8,301 reviews	Search Lufthansa flights
United Airlines	PriceFrom $621	Free Cancellation	Rating 7.3 10,461 reviews	Search United Airlines flights
British Airways	PriceFrom $639	Free Cancellation	Rating 6.7 8,277 reviews	Search British Airways flights

Bansko

Borovets

Velingrad

Sandanski

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Phoenix to Sofia flights to just show those with flexible booking policies.

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

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

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

Of course. momondo tracks the price of Phoenix to Sofia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Phoenix to Sofia from $286

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix to Sofia departing on 11/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from Phoenix to Sofia

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How to get the cheapest flight ticket from Phoenix to Sofia

What is the cheapest month to fly to Sofia?

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

What airlines fly to Sofia?

Cheap Phoenix to Sofia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Phoenix to Sofia

Best airlines flying from Phoenix to Sofia

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

Traveling to a place near Sofia?

Why use momondo?

An easier way to manage your Sofia 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bulgaria

Fly your favorite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sofia

List of cabin classes available on flights landing in Sofia. Availability may vary depending on flight origin and airline.

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