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

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

What airlines fly to Sofia?

United Airlines, British Airways and Lufthansa 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 50% 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 March 2026, 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.

$348 Cheap Flights from Phoenix to Sofia in 2026

Q: What is the typical price of a round-trip flight between Phoenix and Sofia?

Prices are currently high for flights on this route. Typical prices usually range from $631 to $633. The lowest price recently found on this route was $669.

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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.

11:15 am - 6:40 pm

PHX

SOF

21h 25m

2 stops

6:10 am - 8:20 pm

SOF

PHX

24h 10m

2 stops

$669Lufthansa

Wed, Aug 26 - Tue, Oct 6

9:08 am - 6:40 pm

PHX

SOF

23h 32m

2 stops

6:10 am - 12:04 am

SOF

PHX

27h 54m

3 stops

$682United Airlines

Wed, Aug 26 - Tue, Oct 6

10:06 am - 6:40 pm

PHX

SOF

22h 34m

2 stops

6:40 pm - 5:45 pm

SOF

PHX

33h 05m

2 stops

$688Lufthansa

Sun, Jul 19 - Tue, Aug 18

9:08 am - 11:00 pm

PHX

SOF

27h 52m

2 stops

6:30 am - 5:45 pm

SOF

PHX

21h 15m

2 stops

$699Lufthansa

Tue, Jul 14 - Thu, Aug 27

12:00 pm - 6:10 pm

PHX

SOF

20h 10m

2 stops

6:30 am - 7:16 pm

SOF

PHX

22h 46m

2 stops

$712Multiple Airlines

Sun, Sep 13 - Thu, Oct 15

1:35 pm - 7:20 pm

PHX

SOF

19h 45m

2 stops

9:25 pm - 6:25 pm

SOF

PHX

31h 00m

2 stops

$715British Airways

Sun, Sep 13 - Wed, Oct 7

11:15 am - 6:40 pm

PHX

SOF

21h 25m

2 stops

6:10 am - 6:36 pm

SOF

PHX

22h 26m

2 stops

$719Lufthansa

Wed, Aug 26 - Tue, Oct 6

6:00 am - 11:00 pm

PHX

SOF

31h 00m

2 stops

1:55 pm - 9:20 pm

SOF

PHX

40h 25m

2 stops

$723United Airlines

Sun, May 3 - Mon, Nov 2

6:00 am - 1:05 pm

PHX

SOF

21h 05m

3 stops

6:30 am - 7:42 pm

SOF

PHX

23h 12m

2 stops

$725United Airlines

Tue, Jul 14 - Thu, Aug 27

12:00 pm - 6:40 pm

PHX

SOF

20h 40m

2 stops

6:10 am - 5:40 pm

SOF

PHX

21h 30m

2 stops

$729Lufthansa

Wed, Apr 22 - Tue, Jun 9

British Airways flights from Phoenix to Sofia

Our best British Airways deals on Phoenix to Sofia flight tickets

British Airways

Sep 13

PHX1:35 pmPhoenix Sky Harbor Intl

19h 45m

2 stops

SOF7:20 pmSofia

Oct 7

SOF9:25 pmSofia

31h 00m

2 stops

PHX6:25 pmPhoenix Sky Harbor Intl

$715

British Airways

Apr 13

PHX4:58 pmPhoenix Sky Harbor Intl

41h 32m

2 stops

SOF8:30 pmSofia

Apr 27

SOF8:10 pmSofia

34h 28m

2 stops

PHX8:38 pmPhoenix Sky Harbor Intl

$734

British Airways

May 3

PHX5:00 amPhoenix Sky Harbor Intl

28h 20m

2 stops

SOF7:20 pmSofia

Nov 2

SOF5:25 pmSofia

33h 50m

1 stop

PHX6:15 pmPhoenix Sky Harbor Intl

$741

Lufthansa flights from Phoenix to Sofia

Our best Lufthansa deals on Phoenix to Sofia flight tickets

Lufthansa

Aug 26

PHX11:15 amPhoenix Sky Harbor Intl

21h 25m

2 stops

SOF6:40 pmSofia

Oct 6

SOF6:10 amSofia

24h 10m

2 stops

PHX8:20 pmPhoenix Sky Harbor Intl

$669

Lufthansa

Jul 19

PHX10:06 amPhoenix Sky Harbor Intl

22h 34m

2 stops

SOF6:40 pmSofia

Aug 18

SOF6:40 pmSofia

33h 05m

2 stops

PHX5:45 pmPhoenix Sky Harbor Intl

$688

Lufthansa

Jul 14

PHX9:08 amPhoenix Sky Harbor Intl

27h 52m

2 stops

SOF11:00 pmSofia

Aug 27

SOF6:30 amSofia

21h 15m

2 stops

PHX5:45 pmPhoenix Sky Harbor Intl

$699

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 8/26

11:15 am-6:40 pm

2 stops21h 25m

Sofia

Tue 10/6

6:10 am-8:20 pm

2 stops24h 10m

$669

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 8/26

9:08 am-6:40 pm

2 stops23h 32m

Sofia

Tue 10/6

6:10 am-12:04 am

3 stops27h 54m

$682

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 7/19

10:06 am-6:40 pm

2 stops22h 34m

Sofia

Tue 8/18

6:40 pm-5:45 pm

2 stops33h 05m

$688

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Tue 7/14

9:08 am-11:00 pm

2 stops27h 52m

Sofia

Thu 8/27

6:30 am-5:45 pm

2 stops21h 15m

$699

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 9/13

12:00 pm-6:10 pm

2 stops20h 10m

Sofia

Thu 10/15

6:30 am-7:16 pm

2 stops22h 46m

$712

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 9/13

1:35 pm-7:20 pm

2 stops19h 45m

Sofia

Wed 10/7

9:25 pm-6:25 pm

2 stops31h 00m

$715

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 8/26

11:15 am-6:40 pm

2 stops21h 25m

Sofia

Tue 10/6

6:10 am-6:36 pm

2 stops22h 26m

$719

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 5/3

6:00 am-11:00 pm

2 stops31h 00m

Sofia

Mon 11/2

1:55 pm-9:20 pm

2 stops40h 25m

$723

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Tue 7/14

6:00 am-1:05 pm

3 stops21h 05m

Sofia

Thu 8/27

6:30 am-7:42 pm

2 stops23h 12m

$725

Quickest round-trip

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 4/22

12:00 pm-6:40 pm

2 stops20h 40m

Sofia

Tue 6/9

6:10 am-5:40 pm

2 stops21h 30m

$729

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 typical price of a round-trip flight between Phoenix and Sofia?

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Phoenix is in November. Flight prices, which tend to average around $568, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Sofia from Phoenix during March instead. Flights to Sofia in March, while not as cheap as those in November, still average around $633.

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 $791 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 $629 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

Fastest flight time	19h 42m
Direct flights	None

The fastest flight from Phoenix to Sofia takes 19h 42m

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 19h 42m.
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 March 2026, 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 7.6 900 reviews	Search Austrian Airlines flights
Lufthansa	PriceFrom $601	Free Cancellation	Rating 6.8 7,858 reviews	Search Lufthansa flights
United Airlines	PriceFrom $621	Free Cancellation	Rating 7.4 9,450 reviews	Search United Airlines flights
British Airways	PriceFrom $670	Free Cancellation	Rating 6.7 7,804 reviews	Search British Airways flights
Air Canada	PriceFrom $694	Free Cancellation	Rating 7.1 10,818 reviews	Search Air Canada flights
KLM	PriceFrom $710	Free Cancellation	Rating 7.8 1,473 reviews	Search KLM flights
American Airlines	PriceFrom $1,132	Free Cancellation	Rating 7.1 11,480 reviews	Search American Airlines 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 $348

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 4/30. 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 typical price of a round-trip flight between Phoenix and Sofia?

What is the cheapest month to fly to Sofia?

How far in advance should I book a flight 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

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

Fastest flight time

Direct flights

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

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