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

United Airlines, British Airways, and American Airlines 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 45% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 7 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 September 2025, there are 7 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.

$327 Cheap Flights from Phoenix to Sofia in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Phoenix to Sofia

Round-trip

One-way

Last minute

Cheap round-trip flights

8:00 am - 1:50 pmPHX-SOF

20h 50m2 stops

6:10 am - 10:20 pmSOF-PHX

25h 10m2 stops

$576Air Canada

Find Deal

Thu, Nov 6 - Wed, Nov 19

8:25 pm - 11:15 amPHX-SOF

29h 50m1 stop

9:00 pm - 6:15 pmSOF-PHX

30h 15m1 stop

$600British Airways

Find Deal

Thu, Nov 6 - Wed, Nov 19

11:30 am - 11:15 amPHX-SOF

38h 45m2 stops

9:00 pm - 6:15 pmSOF-PHX

30h 15m1 stop

$605British Airways

Find Deal

Thu, Nov 6 - Wed, Nov 19

1:45 pm - 11:00 pmPHX-SOF

23h 15m2 stops

6:00 am - 8:44 pmSOF-PHX

23h 44m2 stops

$664Lufthansa

Find Deal

Wed, Oct 1 - Thu, Oct 30

10:41 am - 11:00 pmPHX-SOF

26h 19m2 stops

6:00 am - 6:44 pmSOF-PHX

21h 44m2 stops

$665Lufthansa

Find Deal

Wed, Oct 1 - Thu, Oct 30

6:30 pm - 6:00 pmPHX-SOF

38h 30m2 stops

6:10 am - 11:44 amSOF-PHX

38h 34m2 stops

$677Multiple Airlines

Find Deal

Tue, Nov 25 - Sun, Nov 30

2:30 pm - 6:20 pmPHX-SOF

18h 50m2 stops

11:00 am - 11:44 amSOF-PHX

33h 44m2 stops

$684Multiple Airlines

Find Deal

Wed, Nov 26 - Sun, Nov 30

3:32 pm - 10:50 pmPHX-SOF

21h 18m2 stops

6:00 am - 12:15 amSOF-PHX

28h 15m2 stops

$751United Airlines

Find Deal

Wed, Oct 1 - Sun, Oct 5

3:45 pm - 11:00 pmPHX-SOF

21h 15m2 stops

6:00 am - 8:23 amSOF-PHX

36h 23m2 stops

$854United Airlines

Find Deal

Wed, Oct 1 - Sat, Oct 11

6:40 pm - 1:30 pmPHX-SOF

32h 50m1 stop

9:10 pm - 2:15 pmSOF-PHX

27h 05m1 stop

$1,113American Airlines

Find Deal

Wed, Oct 1 - Sun, Oct 5

Lufthansa flights from Phoenix to Sofia

Our best Lufthansa deals on Phoenix to Sofia flight tickets

Lufthansa

Oct 1

PHX1:45 pmPhoenix Sky Harbor Intl

23h 15m

2 stops

SOF11:00 pmSofia

Oct 30

SOF6:00 amSofia

23h 44m

2 stops

PHX8:44 pmPhoenix Sky Harbor Intl

$664

Find similar

Lufthansa

Oct 1

PHX10:41 amPhoenix Sky Harbor Intl

26h 19m

2 stops

SOF11:00 pmSofia

Oct 30

SOF6:00 amSofia

21h 44m

2 stops

PHX6:44 pmPhoenix Sky Harbor Intl

$665

Find similar

Lufthansa

Nov 21

PHX11:33 amPhoenix Sky Harbor Intl

26h 12m

2 stops

SOF10:45 pmSofia

Nov 26

SOF6:10 amSofia

22h 39m

2 stops

PHX7:49 pmPhoenix Sky Harbor Intl

$773

Find similar

British Airways flights from Phoenix to Sofia

Our best British Airways deals on Phoenix to Sofia flight tickets

British Airways

Nov 6

PHX8:25 pmPhoenix Sky Harbor Intl

29h 50m

1 stop

SOF11:15 amSofia

Nov 19

SOF9:00 pmSofia

30h 15m

1 stop

PHX6:15 pmPhoenix Sky Harbor Intl

$600

Find similar

British Airways

Nov 6

PHX11:30 amPhoenix Sky Harbor Intl

38h 45m

2 stops

SOF11:15 amSofia

Nov 19

SOF9:00 pmSofia

30h 15m

1 stop

PHX6:15 pmPhoenix Sky Harbor Intl

$605

Find similar

British Airways

Nov 25

PHX8:25 pmPhoenix Sky Harbor Intl

14h 45m

1 stop

SOF8:10 pmSofia

Nov 30

SOF2:30 pmSofia

36h 50m

1 stop

PHX6:20 pmPhoenix Sky Harbor Intl

$736

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 11/6

8:00 am-1:50 pm

2 stops20h 50m

Sofia

Wed 11/19

6:10 am-10:20 pm

2 stops25h 10m

$576

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 11/6

8:25 pm-11:15 am

1 stop29h 50m

Sofia

Wed 11/19

9:00 pm-6:15 pm

1 stop30h 15m

$600

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 11/6

11:30 am-11:15 am

2 stops38h 45m

Sofia

Wed 11/19

9:00 pm-6:15 pm

1 stop30h 15m

$605

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 10/1

1:45 pm-11:00 pm

2 stops23h 15m

Sofia

Thu 10/30

6:00 am-8:44 pm

2 stops23h 44m

$664

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 10/1

10:41 am-11:00 pm

2 stops26h 19m

Sofia

Thu 10/30

6:00 am-6:44 pm

2 stops21h 44m

$665

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Tue 11/25

6:30 pm-6:00 pm

2 stops38h 30m

Sofia

Sun 11/30

6:10 am-11:44 am

2 stops38h 34m

$677

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 11/26

2:30 pm-6:20 pm

2 stops18h 50m

Sofia

Sun 11/30

11:00 am-11:44 am

2 stops33h 44m

$684

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 10/1

3:32 pm-10:50 pm

2 stops21h 18m

Sofia

Sun 10/5

6:00 am-12:15 am

2 stops28h 15m

$751

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 10/1

3:45 pm-11:00 pm

2 stops21h 15m

Sofia

Sat 10/11

6:00 am-8:23 am

2 stops36h 23m

$854

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 10/1

6:40 pm-1:30 pm

1 stop32h 50m

Sofia

Sun 10/5

9:10 pm-2:15 pm

1 stop27h 05m

$1,113

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 $699, 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 October instead. Flights to Sofia in October, while not as cheap as those in March, still average around $727.

What is the cheapest day to depart on your flight to Sofia?

According to our data, Saturday is the cheapest day to fly to Sofia from Phoenix. The lowest ticket price found for a Saturday departure recently was $940. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Phoenix to Sofia on a Thursday will generally be more expensive and average around $1,207. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

At noon is the cheapest time of day to fly from Phoenix to Sofia when you can find flight prices for as low as $1,036. Flying to Sofia at noon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,096 per ticket.

How far in advance should I book a flight to Sofia?

You are more likely to see cheaper flights to Sofia from Phoenix when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $898 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from Phoenix for as low as $747 on momondo.

Cheap Phoenix to Sofia flight deals and tips

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

Direct flights	None

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

Search flight deals

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 14h 45m.
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 September 2025, there are 7 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
Austrian Airlines	PriceFrom $571	Free Cancellation	Rating 7.6 850 reviews	Search Austrian Airlines flights
American Airlines	PriceFrom $621	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $629	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Lufthansa	PriceFrom $662	Free Cancellation	Rating 6.8 7,409 reviews	Search Lufthansa flights
KLM	PriceFrom $733	Free Cancellation	Rating 7.8 1,386 reviews	Search KLM flights
British Airways	PriceFrom $922	Free Cancellation	Rating 6.7 7,367 reviews	Search British Airways flights
Air Canada	PriceFrom $933	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada 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.