HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$439+ Cheap flights from Houston to Sofia (SOF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SOF
Jul 31 — Aug 71
Fri 7/31
Fri 8/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Sofia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 1, 2026.

This deal was found by Cheapflights users on 6/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:30 pm
IAH
-
SOF
1 stop16h 30m
Turkish Airlines
Tue 9/89:35 am
SOF
-
IAH
1 stop17h 40m
Turkish Airlines
Deal found 6/27$809
This oojo deal was found by Cheapflights users on 6/27. 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.
Wed 8/269:10 pm
IAH
-
SOF
1 stop15h 10m
Turkish Airlines
Tue 9/89:35 am
SOF
-
IAH
1 stop17h 40m
Turkish Airlines
Deal found 6/27$810
This oojo deal was found by Cheapflights users on 7/1. 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 8/105:09 pm
IAH
-
SOF
2 stops17h 31m
Lufthansa
Wed 8/196:20 am
SOF
-
IAH
1 stop15h 15m
Lufthansa
Deal found 7/1$816
This Turkish Airlines deal was found by Cheapflights users on 6/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:10 pm
IAH
-
SOF
1 stop33h 50m
Turkish Airlines
Tue 9/159:10 pm
SOF
-
IAH
1 stop30h 05m
Turkish Airlines
Deal found 6/28$817
This deal was found by Cheapflights users on 6/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:10 pm
IAH
-
SOF
1 stop15h 10m
Turkish Airlines
Fri 9/119:35 am
SOF
-
IAH
1 stop17h 40m
Turkish Airlines
Deal found 6/27$819
This deal was found by Cheapflights users on 6/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:10 pm
IAH
-
SOF
1 stop15h 10m
Turkish Airlines
Fri 9/119:35 am
SOF
-
IAH
1 stop17h 40m
Turkish Airlines
Deal found 6/27$820
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Mon 8/104:40 pm
IAH
-
SOF
1 stop22h 35m
United Airlines
Wed 8/196:10 am
SOF
-
IAH
1 stop18h 20m
United Airlines
Deal found 6/29$837
This deal was found by Cheapflights users on 6/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:30 pm
IAH
-
SOF
1 stop16h 30m
Turkish Airlines
Thu 9/109:35 am
SOF
-
IAH
1 stop17h 40m
Turkish Airlines
Deal found 6/27$847
This KLM deal was found by Cheapflights users on 6/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:50 am
HOU
-
SOF
2 stops19h 10m
KLM
Tue 9/157:00 am
SOF
-
HOU
2 stops17h 31m
KLM
Deal found 6/28$950
This Air France deal was found by Cheapflights users on 6/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:50 am
HOU
-
SOF
2 stops19h 10m
Air France
Tue 8/257:00 am
SOF
-
HOU
2 stops23h 05m
Air France
Deal found 6/30$1,188
This KLM deal was found by Cheapflights users on 6/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:50 am
HOU
-
SOF
2 stops19h 10m
KLM
Tue 8/257:00 am
SOF
-
HOU
2 stops23h 05m
KLM
Deal found 6/28$1,413
This British Airways deal was found by Cheapflights users on 6/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/194:14 pm
HOU
-
SOF
2 stops19h 06m
British Airways
Sun 8/169:05 pm
SOF
-
HOU
2 stops30h 46m
British Airways
Deal found 6/30$1,546

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 July 1, 2026.

Round-trip from

$809

One-way from

$439
(United Airlines)

Popular in

May

Cheapest in

October

Average price

$1,124
From Houston to Sofia
Search Deals
One-way flight from Houston to Sofia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 1, 2026.
Use the filters below to find and compare flights from Houston to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 8/10

5:09 pm-6:40 pm

2 stops17h 31m

Sofia

Wed 8/19

6:20 am-1:35 pm

1 stop15h 15m

$816

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 8/10

4:40 pm-11:15 pm

1 stop22h 35m

Sofia

Wed 8/19

6:10 am-4:30 pm

1 stop18h 20m

$837

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Fri 10/9

9:10 pm-8:45 am

1 stop27h 35m

Sofia

Fri 10/23

9:35 am-7:15 pm

1 stop17h 40m

$857

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 9/1

9:10 pm-8:45 am

1 stop27h 35m

Sofia

Mon 9/21

9:10 pm-7:15 pm

1 stop30h 05m

$857

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Tue 8/4

10:50 am-2:00 pm

2 stops19h 10m

Sofia

Tue 8/25

7:00 am-10:05 pm

2 stops23h 05m

$1,188

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Tue 8/4

10:50 am-2:00 pm

2 stops19h 10m

Sofia

Tue 8/25

7:00 am-10:05 pm

2 stops23h 05m

$1,413

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Sun 7/19

4:14 pm-7:20 pm

2 stops19h 06m

Sofia

Sun 8/16

9:05 pm-7:51 pm

2 stops30h 46m

$1,546

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Sun 7/19

12:55 pm-2:00 pm

2 stops17h 05m

Sofia

Tue 8/11

7:00 am-10:05 pm

2 stops23h 05m

$2,498

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Mon 8/10

6:14 pm-8:30 pm

2 stops42h 16m

Sofia

Wed 8/26

9:25 pm-5:44 pm

2 stops28h 19m

$8,078
Cheapest one-way

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 12/23

5:05 pm-1:15 pm

2 stops36h 10m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 11 resultsSorted by cheapest first
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 $572). Flying from Houston to Sofia in June is currently the most expensive (average of $952). 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 July 1, 2026.
Get a feel of what it's like to fly with Turkish Airlines,United Airlines, andLufthansa 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.
Turkish Airlines
7.4
Good
4,430 reviews

Crew

7.8

Food

7.5

Comfort

7.3

Boarding

7.3

Entertainment

7.5

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
Turkish Airlines
7.4
Good
4,430 reviews
Turkish Airlines
7.4
Good
4,430 reviews

Crew

7.8

Food

7.5

Comfort

7.3

Boarding

7.3

Entertainment

7.5

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
United Airlines
7.4
Good
9,910 reviews
Turkish Airlines
7.4
Good
4,430 reviews

Crew

7.8

Food

7.5

Comfort

7.3

Boarding

7.3

Entertainment

7.5

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
Lufthansa
6.8
Okay
8,109 reviews
Turkish Airlines
7.4
Good
4,430 reviews

Crew

7.8

Food

7.5

Comfort

7.3

Boarding

7.3

Entertainment

7.5

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent

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, Lufthansa, and KLM fly from Houston to Sofia in about 16h 30m. The time it takes to get you to your destination can typically vary by up to 2h 40m. 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 $593. Additional round-trip tickets that might be worth considering are offered by Lufthansa and United Airlines, with the lowest prices starting at $606 and $681, respectively. Turkish Airlines is currently priced 33% 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 $572). Flying from Houston to Sofia in June is currently the most expensive (average of $952). 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.

Alternative routes for Houston to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Austin to Sofia flights

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 July 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$593Average$788FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$606Average$991FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$681Average$1,062FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.