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Cheap flights from Phoenix to Sofia from $534

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix to Sofia departing on 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Phoenix to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
10:08 am - 2:00 pm
PHX
-
SOF
17h 52m2 stops
KLM Logo
7:00 am - 8:37 pm
SOF
-
PHX
23h 37m2 stops
$534KLM
Wed, May 6 - Tue, May 12
British Airways Logo
11:12 pm - 8:40 pm
PHX
-
SOF
35h 28m2 stops
British Airways Logo
8:00 pm - 7:00 pm
SOF
-
PHX
33h 00m1 stop
$544British Airways
Mon, May 4 - Mon, May 18
British Airways Logo
11:12 pm - 8:40 pm
PHX
-
SOF
35h 28m2 stops
British Airways Logo
8:00 pm - 7:00 pm
SOF
-
PHX
33h 00m1 stop
$545British Airways
Mon, May 4 - Mon, May 18
British Airways Logo
9:05 pm - 1:30 pm
PHX
-
SOF
30h 25m1 stop
British Airways Logo
9:30 pm - 7:00 pm
SOF
-
PHX
31h 30m1 stop
$546British Airways
Wed, Apr 22 - Wed, Jun 10
British Airways Logo
11:12 pm - 8:40 pm
PHX
-
SOF
35h 28m2 stops
British Airways Logo
8:00 pm - 7:19 pm
SOF
-
PHX
33h 19m2 stops
$547British Airways
Mon, May 4 - Mon, May 18
British Airways Logo
11:12 pm - 8:40 pm
PHX
-
SOF
35h 28m2 stops
British Airways Logo
8:00 pm - 6:08 pm
SOF
-
PHX
32h 08m2 stops
$548British Airways
Mon, May 4 - Mon, May 18
KLM Logo
10:08 am - 2:00 pm
PHX
-
SOF
17h 52m2 stops
KLM Logo
7:00 am - 8:34 pm
SOF
-
PHX
23h 34m2 stops
$564KLM
Mon, Apr 27 - Tue, Oct 6
KLM Logo
10:08 am - 2:00 pm
PHX
-
SOF
17h 52m2 stops
KLM Logo
7:00 am - 7:34 pm
SOF
-
PHX
22h 34m2 stops
$565KLM
Mon, Apr 27 - Tue, Oct 6
British Airways Logo
4:58 pm - 1:30 pm
PHX
-
SOF
34h 32m2 stops
British Airways Logo
2:20 pm - 7:51 pm
SOF
-
PHX
39h 31m2 stops
$584British Airways
Wed, Apr 22 - Fri, Jun 5
British Airways Logo
2:00 pm - 1:30 pm
PHX
-
SOF
37h 30m2 stops
British Airways Logo
2:20 pm - 7:51 pm
SOF
-
PHX
39h 31m2 stops
$585British Airways
Wed, Apr 22 - Fri, Jun 5

United Airlines flights from Phoenix to Sofia

Our best United Airlines deals on Phoenix to Sofia flight tickets
United Airlines
Apr 27
PHX4:34 pmPhoenix Sky Harbor Intl
20h 36m
2 stops
SOF11:10 pmSofia
Oct 6
SOF6:10 amSofia
26h 49m
3 stops
PHX10:59 pmPhoenix Sky Harbor Intl
$622
Find similar
United Airlines
Apr 22
PHX7:35 amPhoenix Sky Harbor Intl
18h 35m
2 stops
SOF12:10 pmSofia
Jun 10
SOF6:20 amSofia
24h 00m
2 stops
PHX8:20 pmPhoenix Sky Harbor Intl
$623
Find similar
United Airlines
Apr 22
PHX4:34 pmPhoenix Sky Harbor Intl
20h 36m
2 stops
SOF11:10 pmSofia
Jun 5
SOF6:10 amSofia
24h 10m
3 stops
PHX8:20 pmPhoenix Sky Harbor Intl
$624
Find similar

KLM flights from Phoenix to Sofia

Our best KLM deals on Phoenix to Sofia flight tickets
KLM
May 6
PHX10:08 amPhoenix Sky Harbor Intl
17h 52m
2 stops
SOF2:00 pmSofia
May 12
SOF7:00 amSofia
23h 37m
2 stops
PHX8:37 pmPhoenix Sky Harbor Intl
$534
Find similar
KLM
Apr 27
PHX10:08 amPhoenix Sky Harbor Intl
17h 52m
2 stops
SOF2:00 pmSofia
Oct 6
SOF7:00 amSofia
23h 34m
2 stops
PHX8:34 pmPhoenix Sky Harbor Intl
$564
Find similar
KLM
Apr 27
PHX10:08 amPhoenix Sky Harbor Intl
17h 52m
2 stops
SOF2:00 pmSofia
Oct 6
SOF7:00 amSofia
22h 34m
2 stops
PHX7:34 pmPhoenix Sky Harbor Intl
$565
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 2, 2026.
Use the filters below to find and compare flights from Phoenix to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 5/6

10:08 am-2:00 pm

2 stops17h 52m

Sofia

Tue 5/12

7:00 am-8:37 pm

2 stops23h 37m

$534

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 5/4

11:12 pm-8:40 pm

2 stops35h 28m

Sofia

Mon 5/18

8:00 pm-7:00 pm

1 stop33h 00m

$544

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 5/4

11:12 pm-8:40 pm

2 stops35h 28m

Sofia

Mon 5/18

8:00 pm-7:00 pm

1 stop33h 00m

$545

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 4/22

9:05 pm-1:30 pm

1 stop30h 25m

Sofia

Wed 6/10

9:30 pm-7:00 pm

1 stop31h 30m

$546

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 5/4

11:12 pm-8:40 pm

2 stops35h 28m

Sofia

Mon 5/18

8:00 pm-7:19 pm

2 stops33h 19m

$547

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 5/4

11:12 pm-8:40 pm

2 stops35h 28m

Sofia

Mon 5/18

8:00 pm-6:08 pm

2 stops32h 08m

$548

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 4/27

10:08 am-2:00 pm

2 stops17h 52m

Sofia

Tue 10/6

7:00 am-8:34 pm

2 stops23h 34m

$564

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Mon 4/27

10:08 am-2:00 pm

2 stops17h 52m

Sofia

Tue 10/6

7:00 am-7:34 pm

2 stops22h 34m

$565

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 4/22

4:58 pm-1:30 pm

2 stops34h 32m

Sofia

Fri 6/5

2:20 pm-7:51 pm

2 stops39h 31m

$584

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 4/22

2:00 pm-1:30 pm

2 stops37h 30m

Sofia

Fri 6/5

2:20 pm-7:51 pm

2 stops39h 31m

$585

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sofia from

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

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 $968 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

Fastest flight time

17h 52m

Direct flights

None
The fastest flight from Phoenix to Sofia takes 17h 52m
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 17h 52m.

  • 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?

  • 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 AirlinesPriceFrom $571Free CancellationRating
7.6
888 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $626Free CancellationRating
7.4
9,129 reviews
Search United Airlines flights
LufthansaPriceFrom $643Free CancellationRating
6.8
7,676 reviews
Search Lufthansa flights
American AirlinesPriceFrom $713Free CancellationRating
7.2
11,075 reviews
Search American Airlines flights
KLMPriceFrom $733Free CancellationRating
7.7
1,435 reviews
Search KLM flights
British AirwaysPriceFrom $922Free CancellationRating
6.7
7,640 reviews
Search British Airways flights
Air CanadaPriceFrom $933Free CancellationRating
7.1
10,574 reviews
Search Air Canada flights

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
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.

An easier way to manage your Sofia trip

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Fly your favorite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
British Airways
Lufthansa
American Airlines
Austrian Airlines
Air Canada
KLM