What airlines fly to Sofia?

Turkish Airlines, Lufthansa and United Airlines are the top three most popular airlines that fly to Sofia from Houston according to our data. Turkish Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 4 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

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

Lufthansa and United Airlines are the most popular carriers operating from Houston to Sofia

When did momondo last update prices for flights from Houston to Sofia Airport?

Prices for flights from Houston to Sofia Airport were last updated today.

How many operators does momondo search for flights from Houston to Sofia Airport?

The number of operators available for flights from Houston to Sofia Airport is 4 as of November 2025.

How old do you have to be to fly from Houston to Sofia Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Sofia Airport.

What documentation or ID do you need to fly to Sofia Airport?

The necessary travel and health documents for your Sofia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$500 Cheap Flights from Houston to Sofia in 2025/26

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Find the cheapest flights from Houston to Sofia

Round-trip

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Cheap round-trip flights

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9:05 pm - 1:30 pmIAH-SOF

32h 25m1 stop

9:10 pm - 1:40 pmSOF-IAH

24h 30m1 stop

$632British Airways

Find Deal

Wed, Apr 1 - Sun, Apr 5

9:05 pm - 3:10 pmIAH-SOF

34h 05m1 stop

4:00 pm - 7:10 pmSOF-IAH

35h 10m1 stop

$672Turkish Airlines

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Sun, Nov 16 - Fri, Dec 12

12:42 pm - 2:05 pmIAH-SOF

17h 23m2 stops

7:00 am - 10:57 pmSOF-IAH

23h 57m2 stops

$679KLM

Find Deal

Tue, Dec 16 - Wed, Dec 24

3:30 pm - 2:00 pmIAH-SOF

14h 30m1 stop

7:00 am - 10:19 pmSOF-IAH

23h 19m2 stops

$746KLM

Find Deal

Thu, Apr 2 - Mon, Apr 6

4:50 pm - 10:45 pmIAH-SOF

21h 55m1 stop

6:00 am - 9:39 pmSOF-IAH

23h 39m2 stops

$752United Airlines

Find Deal

Sun, Nov 16 - Tue, Dec 9

9:33 am - 1:15 pmIAH-SOF

19h 42m2 stops

6:00 am - 2:35 pmSOF-IAH

16h 35m1 stop

$756United Airlines

Find Deal

Mon, Nov 17 - Thu, Dec 11

6:25 pm - 6:20 pmIAH-SOF

39h 55m2 stops

6:00 am - 9:39 pmSOF-IAH

23h 39m2 stops

$758Air Canada

Find Deal

Tue, Nov 18 - Thu, Dec 11

12:30 pm - 6:20 pmIAH-SOF

21h 50m2 stops

1:45 pm - 4:24 pmSOF-IAH

58h 39m2 stops

$764Air Canada

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Sun, Nov 16 - Mon, Dec 8

4:30 pm - 10:45 pmIAH-SOF

22h 15m1 stop

2:25 pm - 2:35 pmSOF-IAH

32h 10m1 stop

$789Lufthansa

Find Deal

Mon, Nov 17 - Wed, Dec 10

5:10 pm - 6:20 pmIAH-SOF

17h 10m2 stops

6:10 am - 2:35 pmSOF-IAH

16h 25m1 stop

$811Lufthansa

Find Deal

Mon, Nov 17 - Sun, Dec 7

Turkish Airlines flights from Houston to Sofia

Our best Turkish Airlines deals on Houston to Sofia flight tickets

Turkish Airlines

Nov 16

IAH9:05 pmHouston George Bush Intcntl

34h 05m

1 stop

SOF3:10 pmSofia

Dec 12

SOF4:00 pmSofia

35h 10m

1 stop

IAH7:10 pmHouston George Bush Intcntl

$672

Find similar

Turkish Airlines

Nov 12

IAH2:55 pmHouston George Bush Intcntl

33h 50m

1 stop

SOF8:45 amSofia

Nov 20

SOF4:00 pmSofia

35h 10m

1 stop

IAH7:10 pmHouston George Bush Intcntl

$698

Find similar

Turkish Airlines

Nov 16

IAH9:05 pmHouston George Bush Intcntl

34h 05m

1 stop

SOF3:10 pmSofia

Dec 8

SOF9:40 pmSofia

29h 30m

1 stop

IAH7:10 pmHouston George Bush Intcntl

$722

Find similar

United Airlines flights from Houston to Sofia

Our best United Airlines deals on Houston to Sofia flight tickets

United Airlines

Nov 16

IAH4:50 pmHouston George Bush Intcntl

21h 55m

1 stop

SOF10:45 pmSofia

Dec 9

SOF6:00 amSofia

23h 39m

2 stops

IAH9:39 pmHouston George Bush Intcntl

$752

Find similar

United Airlines

Nov 17

IAH9:33 amHouston George Bush Intcntl

19h 42m

2 stops

SOF1:15 pmSofia

Dec 11

SOF6:00 amSofia

16h 35m

1 stop

IAH2:35 pmHouston George Bush Intcntl

$756

Find similar

United Airlines

Nov 16

IAH4:50 pmHouston George Bush Intcntl

21h 55m

1 stop

SOF10:45 pmSofia

Dec 10

SOF6:10 amSofia

21h 35m

2 stops

IAH7:45 pmHouston George Bush Intcntl

$762

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 4/1

9:05 pm-1:30 pm

1 stop32h 25m

Sofia

Sun 4/5

9:10 pm-1:40 pm

1 stop24h 30m

$632

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 11/16

9:05 pm-3:10 pm

1 stop34h 05m

Sofia

Fri 12/12

4:00 pm-7:10 pm

1 stop35h 10m

$672

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 12/16

12:42 pm-2:05 pm

2 stops17h 23m

Sofia

Wed 12/24

7:00 am-10:57 pm

2 stops23h 57m

$679

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 4/2

3:30 pm-2:00 pm

1 stop14h 30m

Sofia

Mon 4/6

7:00 am-10:19 pm

2 stops23h 19m

$746

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 11/16

4:50 pm-10:45 pm

1 stop21h 55m

Sofia

Tue 12/9

6:00 am-9:39 pm

2 stops23h 39m

$752

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 11/17

9:33 am-1:15 pm

2 stops19h 42m

Sofia

Thu 12/11

6:00 am-2:35 pm

1 stop16h 35m

$756

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 11/18

6:25 pm-6:20 pm

2 stops39h 55m

Sofia

Thu 12/11

6:00 am-9:39 pm

2 stops23h 39m

$758

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 11/16

12:30 pm-6:20 pm

2 stops21h 50m

Sofia

Mon 12/8

1:45 pm-4:24 pm

2 stops58h 39m

$764

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 11/17

4:30 pm-10:45 pm

1 stop22h 15m

Sofia

Wed 12/10

2:25 pm-2:35 pm

1 stop32h 10m

$789

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 11/17

5:10 pm-6:20 pm

2 stops17h 10m

Sofia

Sun 12/7

6:10 am-2:35 pm

1 stop16h 25m

$811

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston 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 day to depart on your flight to Sofia?

According to our data, Sunday is the cheapest day to fly to Sofia from Houston. The lowest ticket price found for a Sunday departure recently was $813. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Houston to Sofia on a Friday will generally be more expensive and average around $1,241. 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 Houston to Sofia when you can find flight prices for as low as $776. 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 $1,281 per ticket.

Cheap Houston to Sofia flight deals and tips

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

Direct flights	None

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

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How far is Houston to Sofia by plane?
The distance between Houston and Sofia is about 6094.3 mi. 13h 05m is a normal flight duration for this route.
When did momondo last update prices for flights from Houston to Sofia Airport?
Prices for flights from Houston to Sofia Airport were last updated today.
How many operators does momondo search for flights from Houston to Sofia Airport?
The number of operators available for flights from Houston to Sofia Airport is 4 as of November 2025.
How old do you have to be to fly from Houston to Sofia Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The necessary travel and health documents for your Sofia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Sofia

Compare and see reviews for airlines that fly from Houston to Sofia with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $575	Free Cancellation	Rating 6.7 7,500 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $598	Free Cancellation	Rating 7.3 4,032 reviews	Search Turkish Airlines flights
Lufthansa	PriceFrom $599	Free Cancellation	Rating 6.8 7,558 reviews	Search Lufthansa flights
United Airlines	PriceFrom $755	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights

Bansko

Borovets

Velingrad

Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Sofia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sofia from Houston.

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

Flights from Houston to Sofia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston 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 Houston to Sofia.

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

Yes. momondo can track prices for Houston to Sofia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.