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 October 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.

$534 Cheap Flights from Phoenix to Sofia in 2025/26

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Find the cheapest flights from Phoenix to Sofia

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Cheap round-trip flights

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6:30 pm - 10:45 pmPHX-SOF

43h 15m2 stops

2:35 pm - 11:49 amSOF-PHX

30h 14m2 stops

$534Multiple Airlines

Find Deal

Thu, Dec 4 - Thu, Dec 11

3:45 pm - 6:20 pmPHX-SOF

17h 35m2 stops

6:10 am - 6:32 pmSOF-PHX

21h 22m2 stops

$588Lufthansa

Find Deal

Wed, Mar 4 - Wed, Mar 18

8:30 am - 1:50 pmPHX-SOF

20h 20m3 stops

6:00 am - 10:51 pmSOF-PHX

25h 51m2 stops

$630United Airlines

Find Deal

Thu, Dec 4 - Thu, Dec 11

9:05 pm - 1:30 pmPHX-SOF

30h 25m1 stop

9:10 pm - 7:00 pmSOF-PHX

31h 50m1 stop

$634British Airways

Find Deal

Wed, Apr 1 - Sun, Apr 5

8:00 am - 6:20 pmPHX-SOF

25h 20m2 stops

6:25 am - 10:19 pmSOF-PHX

24h 54m2 stops

$636Air Canada

Find Deal

Sun, Mar 1 - Sat, Mar 14

10:30 am - 11:00 pmPHX-SOF

26h 30m2 stops

6:00 am - 7:04 pmSOF-PHX

23h 04m2 stops

$647Lufthansa

Find Deal

Wed, Apr 1 - Sun, Apr 5

9:20 pm - 11:15 amPHX-SOF

52h 55m2 stops

9:00 pm - 6:15 pmSOF-PHX

30h 15m1 stop

$674British Airways

Find Deal

Wed, Mar 4 - Wed, Mar 18

10:30 am - 6:40 pmPHX-SOF

22h 10m3 stops

6:00 am - 7:04 pmSOF-PHX

23h 04m2 stops

$722United Airlines

Find Deal

Wed, Apr 1 - Sun, Apr 5

9:40 am - 3:15 pmPHX-SOF

20h 35m2 stops

2:00 pm - 9:44 pmSOF-PHX

40h 44m3 stops

$1,187SWISS

Find Deal

Wed, Mar 4 - Wed, Mar 18

9:40 am - 6:20 pmPHX-SOF

23h 40m3 stops

2:00 pm - 9:44 pmSOF-PHX

40h 44m3 stops

$1,266SWISS

Find Deal

Wed, Mar 4 - Wed, Mar 18

SWISS flights from Phoenix to Sofia

Our best SWISS deals on Phoenix to Sofia flight tickets

SWISS

Mar 4

PHX9:40 amPhoenix Sky Harbor Intl

20h 35m

2 stops

SOF3:15 pmSofia

Mar 18

SOF2:00 pmSofia

40h 44m

3 stops

PHX9:44 pmPhoenix Sky Harbor Intl

$1,187

Find similar

SWISS

Mar 4

PHX9:40 amPhoenix Sky Harbor Intl

23h 40m

3 stops

SOF6:20 pmSofia

Mar 18

SOF2:00 pmSofia

40h 44m

3 stops

PHX9:44 pmPhoenix Sky Harbor Intl

$1,266

Find similar

Lufthansa flights from Phoenix to Sofia

Our best Lufthansa deals on Phoenix to Sofia flight tickets

Lufthansa

Mar 4

PHX3:45 pmPhoenix Sky Harbor Intl

17h 35m

2 stops

SOF6:20 pmSofia

Mar 18

SOF6:10 amSofia

21h 22m

2 stops

PHX6:32 pmPhoenix Sky Harbor Intl

$588

Find similar

Lufthansa

Apr 1

PHX10:30 amPhoenix Sky Harbor Intl

26h 30m

2 stops

SOF11:00 pmSofia

Apr 5

SOF6:00 amSofia

23h 04m

2 stops

PHX7:04 pmPhoenix Sky Harbor Intl

$647

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 12/4

6:30 pm-10:45 pm

2 stops43h 15m

Sofia

Thu 12/11

2:35 pm-11:49 am

2 stops30h 14m

$534

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 3/4

3:45 pm-6:20 pm

2 stops17h 35m

Sofia

Wed 3/18

6:10 am-6:32 pm

2 stops21h 22m

$588

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Thu 12/4

8:30 am-1:50 pm

3 stops20h 20m

Sofia

Thu 12/11

6:00 am-10:51 pm

2 stops25h 51m

$630

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 4/1

9:05 pm-1:30 pm

1 stop30h 25m

Sofia

Sun 4/5

9:10 pm-7:00 pm

1 stop31h 50m

$634

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 3/1

8:00 am-6:20 pm

2 stops25h 20m

Sofia

Sat 3/14

6:25 am-10:19 pm

2 stops24h 54m

$636

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 4/1

10:30 am-11:00 pm

2 stops26h 30m

Sofia

Sun 4/5

6:00 am-7:04 pm

2 stops23h 04m

$647

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 3/4

9:20 pm-11:15 am

2 stops52h 55m

Sofia

Wed 3/18

9:00 pm-6:15 pm

1 stop30h 15m

$674

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 4/1

10:30 am-6:40 pm

3 stops22h 10m

Sofia

Sun 4/5

6:00 am-7:04 pm

2 stops23h 04m

$722

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 3/4

9:40 am-3:15 pm

2 stops20h 35m

Sofia

Wed 3/18

2:00 pm-9:44 pm

3 stops40h 44m

$1,187

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 3/4

9:40 am-6:20 pm

3 stops23h 40m

Sofia

Wed 3/18

2:00 pm-9:44 pm

3 stops40h 44m

$1,266

Flights are sorted by cheapest round-trip flights first.

Sorted 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 $685, 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 September instead. Flights to Sofia in September, while not as cheap as those in March, still average around $732.

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 $903 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.

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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 17h 35m.
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 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 7.6 862 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $629	Free Cancellation	Rating 7.4 8,991 reviews	Search United Airlines flights
Lufthansa	PriceFrom $662	Free Cancellation	Rating 6.8 7,511 reviews	Search Lufthansa flights
American Airlines	PriceFrom $713	Free Cancellation	Rating 7.2 11,028 reviews	Search American Airlines flights
KLM	PriceFrom $733	Free Cancellation	Rating 7.7 1,404 reviews	Search KLM flights
British Airways	PriceFrom $922	Free Cancellation	Rating 6.7 7,467 reviews	Search British Airways flights
Air Canada	PriceFrom $933	Free Cancellation	Rating 7.1 10,346 reviews	Search Air Canada flights

Bansko

Borovets

Velingrad

Sandanski

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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.