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 November 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.

$509 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 am - 11:05 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

26h 35m2 stops Houston George Bush Intcntl Munich Franz Josef Strauss

6:20 am - 5:55 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

21h 35m2 stops Frankfurt am Main Chicago O'Hare Intl

$742United Airlines

Sun, Apr 11 - Wed, Apr 14

10:30 am - 11:05 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

26h 35m2 stops Houston George Bush Intcntl Munich Franz Josef Strauss

6:20 am - 5:55 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

21h 35m2 stops Frankfurt am Main Chicago O'Hare Intl

$744United Airlines

Sun, Apr 11 - Wed, Apr 14

12:40 am - 1:25 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

27h 45m2 stops Toronto Pearson Intl Frankfurt am Main

7:05 pm - 8:23 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

34h 18m2 stops Munich Franz Josef Strauss Los Angeles

$796Multiple Airlines

Sat, Mar 13 - Sat, Mar 20

11:55 am - 10:55 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

26h 00m2 stops Newark Munich Franz Josef Strauss

6:20 am - 7:05 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

22h 45m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$913Multiple Airlines

Thu, Feb 25 - Wed, Jun 30

7:52 am - 1:15 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

20h 23m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:20 am - 6:05 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

21h 45m3 stops Frankfurt am Main Chicago O'Hare Intl Los Angeles

$958United Airlines

Thu, Feb 25 - Wed, Jun 30

2:25 pm - 7:20 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

18h 55m2 stops Chicago O'Hare Intl London Heathrow

9:25 pm - 6:20 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

30h 55m1 stop London Heathrow

$1,000British Airways

Sun, Apr 11 - Wed, Apr 14

3:26 pm - 7:20 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

18h 54m2 stops Los Angeles London Heathrow

9:25 pm - 4:00 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

28h 35m1 stop London Heathrow

$1,047British Airways

Thu, Feb 25 - Wed, Jun 30

11:55 am - 9:35 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

24h 40m2 stops Vancouver Intl London Heathrow

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

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

$1,122Multiple Airlines

Sun, Mar 14 - Sat, Mar 20

1:35 pm - 11:00 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

24h 25m2 stops Houston George Bush Intcntl Frankfurt am Main

6:25 am - 7:58 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

22h 33m2 stops Frankfurt am Main Denver Intl

$1,603Lufthansa

Sat, Dec 26 - Sat, Jan 2

9:28 pm - 8:10 pmPHX Phoenix Sky Harbor Intl-SOF Sofia

61h 42m2 stops Los Angeles London Heathrow

7:45 pm - 7:18 pmSOF Sofia-PHX Phoenix Sky Harbor Intl

32h 33m2 stops London Heathrow Los Angeles

$9,427British Airways

Sun, Dec 6 - Sun, Dec 13

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United Airlines flights from Phoenix to Sofia

Our best United Airlines deals on Phoenix to Sofia flight tickets

United Airlines

Apr 11

PHX10:30 amPhoenix Sky Harbor Intl

26h 35m

2 stops

SOF11:05 pmSofia

Apr 14

SOF6:20 amSofia

21h 35m

2 stops

PHX5:55 pmPhoenix Sky Harbor Intl

$742

United Airlines

Apr 11

PHX10:30 amPhoenix Sky Harbor Intl

26h 35m

2 stops

SOF11:05 pmSofia

Apr 14

SOF6:20 amSofia

21h 35m

2 stops

PHX5:55 pmPhoenix Sky Harbor Intl

$744

United Airlines

Feb 25

PHX7:52 amPhoenix Sky Harbor Intl

20h 23m

2 stops

SOF1:15 pmSofia

Jun 30

SOF6:20 amSofia

21h 45m

3 stops

PHX6:05 pmPhoenix Sky Harbor Intl

$958

British Airways flights from Phoenix to Sofia

Our best British Airways deals on Phoenix to Sofia flight tickets

British Airways

Apr 11

PHX2:25 pmPhoenix Sky Harbor Intl

18h 55m

2 stops

SOF7:20 pmSofia

Apr 14

SOF9:25 pmSofia

30h 55m

1 stop

PHX6:20 pmPhoenix Sky Harbor Intl

$1,000

British Airways

Feb 25

PHX3:26 pmPhoenix Sky Harbor Intl

18h 54m

2 stops

SOF7:20 pmSofia

Jun 30

SOF9:25 pmSofia

28h 35m

1 stop

PHX4:00 pmPhoenix Sky Harbor Intl

$1,047

British Airways

Nov 17

PHX8:40 pmPhoenix Sky Harbor Intl

14h 30m

1 stop

SOF8:10 pmSofia

Nov 29

SOF7:45 pmSofia

29h 32m

2 stops

PHX4:17 pmPhoenix Sky Harbor Intl

$1,211

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Sun 4/11

10:30 am-11:05 pm

2 stops26h 35m

Sofia

Wed 4/14

6:20 am-5:55 pm

2 stops21h 35m

$742

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Sun 4/11

10:30 am-11:05 pm

2 stops26h 35m

Sofia

Wed 4/14

6:20 am-5:55 pm

2 stops21h 35m

$744

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Sat 3/13

12:40 am-1:25 pm

2 stops27h 45m

Sofia

Sat 3/20

7:05 pm-8:23 pm

2 stops34h 18m

$796

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Thu 2/25

11:55 am-10:55 pm

2 stops26h 00m

Sofia

Wed 6/30

6:20 am-7:05 pm

2 stops22h 45m

$913

Quickest round-trip

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Thu 2/25

7:52 am-1:15 pm

2 stops20h 23m

Sofia

Wed 6/30

6:20 am-6:05 pm

3 stops21h 45m

$958

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Sun 4/11

2:25 pm-7:20 pm

2 stops18h 55m

Sofia

Wed 4/14

9:25 pm-6:20 pm

1 stop30h 55m

$1,000

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Thu 2/25

3:26 pm-7:20 pm

2 stops18h 54m

Sofia

Wed 6/30

9:25 pm-4:00 pm

1 stop28h 35m

$1,047

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Sun 3/14

11:55 am-9:35 pm

2 stops24h 40m

Sofia

Sat 3/20

4:00 pm-10:15 pm

3 stops39h 15m

$1,122

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Sat 12/26

1:35 pm-11:00 pm

2 stops24h 25m

Sofia

Sat 1/2

6:25 am-7:58 pm

2 stops22h 33m

$1,603

PhoenixSofia

PHX Phoenix Sky Harbor Intl - SOF Sofia

PHXSOF

Phoenix Sky Harbor Intl

Sun 12/6

9:28 pm-8:10 pm

2 stops61h 42m

Sofia

Sun 12/13

7:45 pm-7:18 pm

2 stops32h 33m

$9,427

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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	$509
Fastest flight time	20h 20m
Direct flights	None

The best one-way flight to Sofia from Phoenix in the past 72 hours is $509. The best round-trip flight deal from Phoenix to Sofia found on momondo in the last 72 hours is $742.

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

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 20m.
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 November 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 8,295 reviews	Search Lufthansa flights
United Airlines	PriceFrom $621	Free Cancellation	Rating 7.3 10,481 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 $509

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 12/27. 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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United Airlines flights from Phoenix to Sofia

Our best United Airlines deals on Phoenix to Sofia flight tickets

British Airways flights from Phoenix to Sofia

Our best British Airways deals on Phoenix to Sofia flight tickets

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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 airlines fly to Sofia?

Cheap Phoenix to Sofia flight deals and tips

Best Price Found

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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

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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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