Bulgaria

$353+ Cheap flights from Houston to Bulgaria

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SOF
Jul 29 — Aug 51
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Cheap flight deals from Houston to Bulgaria

Cheapest flights from Houston to Bulgaria
Explore the most affordable flight options available from Houston to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 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 6/25. 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 8/99:10 pm
IAH
-
SOF
1 stop33h 50m
Turkish Airlines
Tue 8/253:50 pm
SOF
-
IAH
1 stop35h 25m
Turkish Airlines
Deal found 6/25$810
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 6/26. 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 6/26$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 KLM deal was found by Cheapflights users on 6/25. 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 6/25$1,301
This Air France deal was found by Cheapflights users on 6/25. 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.
Wed 9/911:01 am
HOU
-
SOF
2 stops18h 59m
Multiple Airlines
Tue 10/67:00 am
SOF
-
HOU
2 stops22h 43m
Multiple Airlines
Deal found 6/25$1,344
This KLM deal was found by Cheapflights users on 6/25. 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.
Sun 8/910:50 am
HOU
-
SOF
2 stops19h 10m
KLM
Tue 8/257:00 am
SOF
-
HOU
2 stops23h 05m
KLM
Deal found 6/25$1,474
This British Airways 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 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 6/29$1,546

Find flight deals from Houston to Bulgaria

Keep the following information in mind while searching for Houston to Bulgaria flight deals. Data was last updated June 29, 2026.

Round-trip from

$809

One-way from

$353
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$1,184
From Houston to Bulgaria
One-way flight from Houston to Bulgaria
Highest demand for flights based on searches. 14% potential increase in price ($147 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Bulgaria 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 June 29, 2026.
Use the filters below to find and compare flights from Houston to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

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

$1,301

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Wed 9/9

11:01 am-2:00 pm

2 stops18h 59m

Sofia

Tue 10/6

7:00 am-9:43 pm

2 stops22h 43m

$1,344

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Sun 8/9

10:50 am-2:00 pm

2 stops19h 10m

Sofia

Tue 8/25

7:00 am-10:05 pm

2 stops23h 05m

$1,474

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
Quickest round-trip

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
Cheapest one-way

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 7/15

7:23 pm-1:35 am

3 stops46h 12m

$353

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 12/23

5:05 pm-1:15 pm

2 stops36h 10m

$439

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 7/14

3:35 pm-9:00 am

2 stops33h 25m

$496
Quickest one-way

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 12/23

3:25 pm-2:05 pm

1 stop14h 40m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Houston to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria 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 Bulgaria

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

Currently, October is the cheapest month in which you can book a flight from Houston to Bulgaria (average of $572). Flying from Houston to Bulgaria 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.

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated June 29, 2026.
Read reviews from past customers who have flown Turkish Airlines,United Airlines, andLufthansa from Houston to Bulgaria. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Boarding

7.3

Crew

7.8

Comfort

7.3

Food

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

Entertainment

7.5

Boarding

7.3

Crew

7.8

Comfort

7.3

Food

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

Entertainment

7.5

Boarding

7.3

Crew

7.8

Comfort

7.3

Food

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

Entertainment

7.5

Boarding

7.3

Crew

7.8

Comfort

7.3

Food

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 Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Houston to Bulgaria?

    A quick flight from Houston to Bulgaria can take about 18h 59m. United Airlines provides one of the quickest options available for as low as $901. The distance between Houston and Bulgaria is about 6100 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston to Bulgaria 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 Bulgaria?

    Currently, October is the cheapest month in which you can book a flight from Houston to Bulgaria (average of $572). Flying from Houston to Bulgaria 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

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Top 3 airlines flying from Houston to Bulgaria

Discover the top 3 airlines that operate flights from Houston to Bulgaria. 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 June 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$593Average$1,017FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$606Average$991FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$681Average$1,062FlexibilityNo cancel feeOn-time69%

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