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Bulgaria

$568+ Cheap flights from Houston to Bulgaria

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SOF
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Houston to Bulgaria

Keep the following information in mind while searching for Houston to Bulgaria flight deals. Data was last updated September 15, 2025.

Round-trip from

$586
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$752
From Houston to Bulgaria
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($336 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 15, 2025.

This British Airways deal was found by Cheapflights users on 9/13. 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 11/163:50 pmIAH - SOF
1 stop16h 30mBritish Airways
Wed 12/39:00 pmSOF - IAH
1 stop25h 05mBritish Airways
Deal found 9/13$568
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 11/106:28 pmIAH - SOF
2 stops41h 42mAmerican Airlines
Wed 11/199:00 pmSOF - IAH
2 stops31h 32mAmerican Airlines
Deal found 9/12$586
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 11/106:37 pmHOU - SOF
2 stops41h 33mAmerican Airlines
Wed 11/199:00 pmSOF - HOU
2 stops30h 50mAmerican Airlines
Deal found 9/12$586
This Ovago deal was found by Cheapflights users on 9/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:45 pmIAH - SOF
2 stops19h 25mBritish Airways
Wed 12/39:00 pmSOF - IAH
1 stop25h 05mBritish Airways
Deal found 9/13$597
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:30 pmIAH - SOF
1 stop22h 15mLufthansa
Wed 11/196:10 amSOF - IAH
1 stop16h 25mLufthansa
Deal found 9/12$599
This British Airways deal was found by Cheapflights users on 9/13. 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 11/163:50 pmIAH - SOF
1 stop16h 30mBritish Airways
Mon 12/15:25 pmSOF - IAH
1 stop28h 40mBritish Airways
Deal found 9/13$613
This British Airways deal was found by Cheapflights users on 9/13. 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.
Sat 11/159:50 pmIAH - SOF
1 stop34h 30mBritish Airways
Wed 12/39:00 pmSOF - IAH
1 stop25h 05mBritish Airways
Deal found 9/13$618
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/164:50 pmIAH - SOF
1 stop21h 55mUnited Airlines
Thu 12/46:00 amSOF - IAH
2 stops23h 39mUnited Airlines
Deal found 9/13$621
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/174:30 pmIAH - SOF
1 stop22h 15mUnited Airlines
Thu 12/46:00 amSOF - IAH
1 stop20h 15mUnited Airlines
Deal found 9/13$625
This Air Canada deal was found by Cheapflights users on 9/13. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:10 amIAH - SOF
2 stops27h 10mAir Canada
Wed 12/36:10 amSOF - IAH
2 stops23h 29mAir Canada
Deal found 9/13$627
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/164:50 pmIAH - SOF
1 stop17h 30mUnited Airlines
Wed 12/36:10 amSOF - IAH
2 stops22h 21mUnited Airlines
Deal found 9/13$631
This Air Canada deal was found by Cheapflights users on 9/13. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:10 amIAH - SOF
2 stops22h 40mAir Canada
Fri 12/56:10 amSOF - IAH
2 stops23h 29mAir Canada
Deal found 9/13$632

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 September 15, 2025.
Use the filters below to find and compare flights from Houston to Bulgaria that are best for you.

Fly from

Houston

Fly to

Bulgaria

Route

Depart

Return

Price

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 11/18

3:50 pm-8:10 pm

1 stop20h 20m

Sofia

Wed 12/3

9:00 pm-2:05 pm

1 stop25h 05m

$568

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Mon 11/10

6:37 pm-8:10 pm

2 stops41h 33m

Sofia

Wed 11/19

9:00 pm-7:50 pm

2 stops30h 50m

$586

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 11/18

3:50 pm-8:10 pm

1 stop20h 20m

Sofia

Mon 12/1

5:25 pm-2:05 pm

1 stop28h 40m

$613

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 11/19

4:50 pm-10:45 pm

1 stop21h 55m

Sofia

Thu 12/4

6:00 am-6:15 pm

1 stop20h 15m

$621

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 11/16

4:50 pm-10:45 pm

1 stop21h 55m

Sofia

Thu 12/4

6:00 am-9:39 pm

2 stops23h 39m

$621

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 11/18

4:30 pm-6:15 pm

1 stop17h 45m

Sofia

Thu 12/4

6:00 am-9:39 pm

2 stops23h 39m

$625

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 11/17

6:55 pm-10:45 pm

1 stop19h 50m

Sofia

Fri 12/5

6:10 am-6:15 pm

1 stop20h 05m

$625

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 11/18

4:30 pm-1:45 pm

1 stop13h 15m

Sofia

Tue 12/2

6:00 am-9:39 pm

2 stops23h 39m

$625

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 11/16

7:10 am-6:20 pm

2 stops27h 10m

Sofia

Wed 12/3

6:10 am-9:39 pm

2 stops23h 29m

$627

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 11/16

4:50 pm-6:20 pm

1 stop17h 30m

Sofia

Wed 12/3

6:10 am-8:31 pm

2 stops22h 21m

$631

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 19 results
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 time of day to fly from HOU to BG?

Find hourly flight availability from Houston to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Houston to Bulgaria, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 2025.
Read reviews from past customers who have flown United Airlines, Turkish Airlines, and Lufthansa 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.
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,968 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,407 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 20h 20m. British Airways provides one of the quickest options available for as low as $568. The distance between Houston and Bulgaria is about 6085 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, November is the cheapest month in which you can book a flight from Houston to Bulgaria (average of $632). Flying from Houston to Bulgaria in June is currently the most expensive (average of $1,185). 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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Alternative routes for Houston to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Houston to Bulgaria

Discover the top 4 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$575Average$853FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$599Average$1,064FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$633Average$802FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$840Average$1,080FlexibilityNo cancel feeOn-time69%

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