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Sofia

$605+ Cheap flights from Houston to Sofia (SOF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SOF
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Houston to Sofia

Cheapest flights from Houston to Sofia
Explore the most affordable flight options available from Houston to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This FlightHub deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:05 pm
IAH
-
SOF
1 stop15h 45m
Turkish Airlines
Mon 2/234:00 pm
SOF
-
IAH
1 stop35h 10m
Turkish Airlines
Deal found 2/10$605
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:14 pm
IAH
-
SOF
2 stops22h 06m
British Airways
Mon 9/218:10 pm
SOF
-
IAH
1 stop25h 15m
British Airways
Deal found 2/10$608
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/164:20 pm
HOU
-
SOF
2 stops19h 00m
British Airways
Mon 9/218:10 pm
SOF
-
HOU
2 stops31h 51m
British Airways
Deal found 2/10$611
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/209:05 pm
IAH
-
SOF
1 stop34h 05m
Turkish Airlines
Fri 2/279:40 pm
SOF
-
IAH
1 stop29h 30m
Turkish Airlines
Deal found 2/10$614
This FlightHub deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:05 pm
IAH
-
SOF
1 stop34h 05m
Turkish Airlines
Sat 2/289:40 pm
SOF
-
IAH
1 stop29h 30m
Turkish Airlines
Deal found 2/7$624
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:35 pm
IAH
-
SOF
2 stops16h 45m
United Airlines
Mon 3/3012:55 pm
SOF
-
IAH
1 stop35h 40m
United Airlines
Deal found 2/10$635
This FlightHub deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:05 pm
IAH
-
SOF
1 stop27h 40m
Turkish Airlines
Sun 9/203:50 pm
SOF
-
IAH
1 stop35h 20m
Turkish Airlines
Deal found 2/10$651
This Gotogate deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:00 am
IAH
-
SOF
2 stops27h 20m
British Airways
Mon 3/308:10 pm
SOF
-
IAH
2 stops35h 43m
British Airways
Deal found 2/10$659
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:30 pm
HOU
-
SOF
2 stops42h 00m
British Airways
Sun 9/209:05 pm
SOF
-
HOU
2 stops30h 56m
British Airways
Deal found 2/10$676
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1512:18 pm
HOU
-
SOF
2 stops21h 02m
British Airways
Mon 3/308:10 pm
SOF
-
HOU
2 stops31h 40m
British Airways
Deal found 2/10$1,044
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:21 pm
HOU
-
SOF
2 stops40h 09m
British Airways
Mon 6/158:10 pm
SOF
-
HOU
2 stops31h 42m
British Airways
Deal found 2/10$1,074
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/204:21 pm
HOU
-
SOF
2 stops36h 39m
Multiple Airlines
Fri 2/271:30 pm
SOF
-
HOU
2 stops28h 13m
Multiple Airlines
Deal found 2/10$1,205

Find flight deals from Houston to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.

Round-trip from

$614
(oojo)

Popular in

June

Cheapest in

October

Average price

$667
From Houston to Sofia
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($321 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Houston to Sofia that are best for you.

Fly from

Houston

Fly to

Sofia

Route

Depart

Return

Price

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 2/19

9:05 pm-8:50 pm

1 stop15h 45m

Sofia

Mon 2/23

4:00 pm-7:10 pm

1 stop35h 10m

$605

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 3/15

10:05 pm-3:10 pm

1 stop34h 05m

Sofia

Mon 3/30

3:50 pm-7:10 pm

1 stop35h 20m

$614

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 2/22

9:05 pm-8:50 pm

1 stop15h 45m

Sofia

Mon 3/16

9:35 am-8:10 pm

1 stop17h 35m

$616

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 4/19

9:05 pm-3:00 pm

1 stop33h 55m

Sofia

Sat 5/2

3:50 pm-7:10 pm

1 stop35h 20m

$632

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 3/15

6:35 pm-6:20 pm

2 stops16h 45m

Sofia

Mon 3/30

12:55 pm-4:35 pm

1 stop35h 40m

$635

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 3/15

6:00 am-4:20 pm

2 stops27h 20m

Sofia

Mon 3/30

8:10 pm-11:53 pm

2 stops35h 43m

$659

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 4/19

10:08 am-12:10 pm

2 stops18h 02m

Sofia

Sat 5/2

6:20 am-7:59 pm

2 stops21h 39m

$680

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 3/18

5:50 pm-10:45 pm

1 stop21h 55m

Sofia

Sun 3/22

2:25 pm-7:03 pm

2 stops35h 38m

$699

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 2/22

3:50 pm-4:20 pm

1 stop16h 30m

Sofia

Mon 3/16

5:25 pm-9:33 pm

2 stops35h 08m

$721

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Sun 3/15

12:18 pm-4:20 pm

2 stops21h 02m

Sofia

Mon 3/30

8:10 pm-7:50 pm

2 stops31h 40m

$1,044

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 19 results
1
2

Best time to book a flight from Houston to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Houston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to Sofia

What is the cheapest month to book a flight from Houston to Sofia?

Currently, October is the cheapest month in which you can book a flight from Houston to Sofia (average of $586). Flying from Houston to Sofia in June is currently the most expensive (average of $1,007). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Houston to Sofia?

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated February 11, 2026.
Get a feel of what it's like to fly with United Airlines, Turkish Airlines, and Lufthansa from Houston to Sofia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,273 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,273 reviews
United Airlines
7.4
Good
9,273 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Turkish Airlines
7.3
Good
4,213 reviews
United Airlines
7.4
Good
9,273 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,777 reviews
United Airlines
7.4
Good
9,273 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Houston to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Houston?

    If you book a flight to Sofia from Houston, you will be flying to Sofia, which is the city’s only airport. Sofia (SOF) is located 4.2 mi from the center of Sofia. There are 0 flights from Houston to Sofia per day from 3 different airlines.

  • How long is the flight from Houston to Sofia?

    Airlines like Turkish Airlines and British Airways fly from Houston to Sofia in about 15h 45m. The time it takes to get you to your destination can typically vary by up to 5h 17m. The distance from Houston to Sofia is about 6085 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Houston to Sofia round-trip?

    Flying on Turkish Airlines is currently your cheapest option to Sofia, with prices starting at $596. Additional round-trip tickets that might be worth considering are offered by Lufthansa and United Airlines, with the lowest prices starting at $599 and $755, respectively. Turkish Airlines is currently priced 34% below the average price you’ll pay for this route.

  • Can I find deals for flights from Houston to Sofia that include hotel bookings?

    Yes. In addition to deals on Houston to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Sofia.

  • Can I find deals for business class flights from Houston to Sofia?

    Yes. Cheapflights offers flight deals from Houston to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to Sofia?

    Currently, October is the cheapest month in which you can book a flight from Houston to Sofia (average of $586). Flying from Houston to Sofia in June is currently the most expensive (average of $1,007). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Houston to Sofia

Discover the top 3 airlines that operate flights from Houston to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$596Average$769FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$599Average$1,001FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$755Average$1,035FlexibilityNo cancel feeOn-time69%

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