Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Phoenix Sky Harbor Intl Airport to Sofia from $307

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 Sky Harbor Intl Airport to Sofia departing on 4/15. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:35 pm - 11:00 pm
PHX
-
SOF
22h 25m
2 stops
Lufthansa Logo
6:40 pm - 9:06 pm
SOF
-
PHX
36h 26m
2 stops
$659Lufthansa
Tue, Aug 11 - Tue, Aug 18
Lufthansa Logo
11:15 am - 6:40 pm
PHX
-
SOF
21h 25m
2 stops
Lufthansa Logo
6:10 am - 8:20 pm
SOF
-
PHX
24h 10m
2 stops
$669Lufthansa
Wed, Aug 26 - Tue, Oct 6
Lufthansa Logo
11:15 am - 6:40 pm
PHX
-
SOF
21h 25m
2 stops
Lufthansa Logo
6:10 am - 8:20 pm
SOF
-
PHX
24h 10m
2 stops
$670Lufthansa
Wed, Aug 26 - Tue, Oct 6
United Airlines Logo
7:07 am - 11:00 pm
PHX
-
SOF
29h 53m
2 stops
United Airlines Logo
6:20 am - 8:45 pm
SOF
-
PHX
24h 25m
2 stops
$671United Airlines
Sun, Jul 5 - Wed, Aug 26
Lufthansa Logo
9:08 am - 6:10 pm
PHX
-
SOF
23h 02m
2 stops
Lufthansa Logo
6:20 am - 8:24 pm
SOF
-
PHX
24h 04m
2 stops
$682Lufthansa
Sun, Jul 5 - Wed, Aug 26
United Airlines Logo
9:00 am - 6:40 pm
PHX
-
SOF
23h 40m
2 stops
United Airlines Logo
6:10 am - 12:04 am
SOF
-
PHX
27h 54m
3 stops
$683United Airlines
Wed, Aug 26 - Tue, Oct 6
Lufthansa Logo
11:55 am - 11:00 am
PHX
-
SOF
37h 05m
2 stops
Lufthansa Logo
6:20 am - 6:35 pm
SOF
-
PHX
22h 15m
2 stops
$685Lufthansa
Sat, Jul 4 - Wed, Aug 26
United Airlines Logo
7:07 am - 11:00 pm
PHX
-
SOF
29h 53m
2 stops
United Airlines Logo
8:00 am - 9:45 am
SOF
-
PHX
35h 45m
2 stops
$686United Airlines
Sun, Jul 5 - Wed, Aug 26
United Airlines Logo
8:30 am - 6:10 pm
PHX
-
SOF
23h 40m
2 stops
United Airlines Logo
6:10 am - 10:51 pm
SOF
-
PHX
26h 41m
2 stops
$695United Airlines
Sun, Jul 5 - Tue, Aug 25
Multiple Airlines Logo
3:45 pm - 11:00 pm
PHX
-
SOF
21h 15m
2 stops
Multiple Airlines Logo
3:00 pm - 10:44 pm
SOF
-
PHX
40h 44m
2 stops
$701Multiple Airlines
Sun, May 3 - Mon, Nov 2

United Airlines flights from Phoenix Sky Harbor Intl Airport to Sofia

Our best United Airlines deals on Phoenix Sky Harbor Intl Airport to Sofia flight tickets
United Airlines
Jul 5
PHX7:07 amPhoenix Sky Harbor Intl
29h 53m
2 stops
SOF11:00 pmSofia
Aug 26
SOF6:20 amSofia
24h 25m
2 stops
PHX8:45 pmPhoenix Sky Harbor Intl
$671
United Airlines
Aug 26
PHX9:08 amPhoenix Sky Harbor Intl
23h 32m
2 stops
SOF6:40 pmSofia
Oct 6
SOF6:10 amSofia
27h 54m
3 stops
PHX12:04 amPhoenix Sky Harbor Intl
$682
United Airlines
Aug 26
PHX9:00 amPhoenix Sky Harbor Intl
23h 40m
2 stops
SOF6:40 pmSofia
Oct 6
SOF6:10 amSofia
27h 54m
3 stops
PHX12:04 amPhoenix Sky Harbor Intl
$683

British Airways flights from Phoenix Sky Harbor Intl Airport to Sofia

Our best British Airways deals on Phoenix Sky Harbor Intl Airport to Sofia flight tickets
British Airways
May 3
PHX7:15 amPhoenix Sky Harbor Intl
26h 05m
2 stops
SOF7:20 pmSofia
Nov 2
SOF5:25 pmSofia
33h 50m
1 stop
PHX6:15 pmPhoenix Sky Harbor Intl
$734
British Airways
May 4
PHX11:13 pmPhoenix Sky Harbor Intl
35h 17m
2 stops
SOF8:30 pmSofia
May 18
SOF8:10 pmSofia
31h 57m
2 stops
PHX6:07 pmPhoenix Sky Harbor Intl
$744
British Airways
May 4
PHX11:13 pmPhoenix Sky Harbor Intl
35h 17m
2 stops
SOF8:30 pmSofia
May 18
SOF8:10 pmSofia
32h 50m
1 stop
PHX7:00 pmPhoenix Sky Harbor Intl
$764

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport 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 March 15, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Tue 8/11

2:35 pm-11:00 pm

2 stops22h 25m

Sofia

Tue 8/18

6:40 pm-9:06 pm

2 stops36h 26m

$659
Quickest 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

11:15 am-6:40 pm

2 stops21h 25m

Sofia

Tue 10/6

6:10 am-8:20 pm

2 stops24h 10m

$670

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 7/5

7:07 am-11:00 pm

2 stops29h 53m

Sofia

Wed 8/26

6:20 am-8:45 pm

2 stops24h 25m

$671

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 7/5

9:08 am-6:10 pm

2 stops23h 02m

Sofia

Wed 8/26

6:20 am-8:24 pm

2 stops24h 04m

$682

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Wed 8/26

9:00 am-6:40 pm

2 stops23h 40m

Sofia

Tue 10/6

6:10 am-12:04 am

3 stops27h 54m

$683

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sat 7/4

11:55 am-11:00 am

2 stops37h 05m

Sofia

Wed 8/26

6:20 am-6:35 pm

2 stops22h 15m

$685

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 7/5

7:07 am-11:00 pm

2 stops29h 53m

Sofia

Wed 8/26

8:00 am-9:45 am

2 stops35h 45m

$686

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 7/5

8:30 am-6:10 pm

2 stops23h 40m

Sofia

Tue 8/25

6:10 am-10:51 pm

2 stops26h 41m

$695

PhoenixSofia

PHX - SOF

PHXSOF

Phoenix Sky Harbor Intl

Sun 5/3

3:45 pm-11:00 pm

2 stops21h 15m

Sofia

Mon 11/2

3:00 pm-10:44 pm

2 stops40h 44m

$701

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Sofia from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport 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

What is the typical price of a round-trip flight between Phoenix Sky Harbor Intl Airport and Sofia?

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport 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 Sky Harbor Intl Airport 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 Sky Harbor Intl Airport for as low as $629 on momondo.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Sofia flights?

You could potentially save up to 8% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Sofia flight.

When to book flights from Phoenix Sky Harbor Intl Airport to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Sofia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Sofia (PHX to SOF) flight deals and tips

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

Fastest flight time

17h 05m

Direct flights

None
The fastest flight from Phoenix Sky Harbor Intl Airport to Sofia takes 17h 05m
There are no direct flights from Phoenix Sky Harbor Intl Airport to Sofia. There are no popular flight routes from Phoenix Sky Harbor Intl Airport to Sofia.
Search flight deals

  • How far is Phoenix Sky Harbor Intl to Sofia by plane?

    The straight-line distance from Phoenix Sky Harbor Intl to Sofia is 6461.3 mi. By plane, this route typically takes 17h 05m.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Sofia Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Sofia Airport are updated daily.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Sofia Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Sofia Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport 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.

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to Sofia?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Sofia

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Sofia with momondo
Airline
Rating
Free Cancellation
Price
Austrian AirlinesPriceFrom $571Free CancellationRating
7.6
900 reviews
Search Austrian Airlines flights
LufthansaPriceFrom $601Free CancellationRating
6.8
7,854 reviews
Search Lufthansa flights
United AirlinesPriceFrom $621Free CancellationRating
7.4
9,428 reviews
Search United Airlines flights
British AirwaysPriceFrom $670Free CancellationRating
6.7
7,794 reviews
Search British Airways flights
Air CanadaPriceFrom $694Free CancellationRating
7.1
10,805 reviews
Search Air Canada flights
KLMPriceFrom $710Free CancellationRating
7.8
1,471 reviews
Search KLM flights
American AirlinesPriceFrom $1,132Free CancellationRating
7.1
11,466 reviews
Search American Airlines 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?

It is quick and easy to find Phoenix to Sofia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sofia that suits you.

Can I find flights from Phoenix to Sofia with flexible booking policies on momondo?

All flight searches from Phoenix to Sofia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Phoenix to Sofia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Phoenix to Sofia.

I’m not ready to book a flight from Phoenix to Sofia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sofia, momondo offers a useful price alert feature which will track prices for flights to Sofia from Phoenix and alert you when they change.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 4/14
Tue 4/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bulgaria

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