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$606+ Cheap flights from George Bush Intcntl (IAH) 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SOF
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Bulgaria

Cheapest flights from George Bush Intcntl to Bulgaria
Explore the most affordable flight options available from George Bush Intcntl to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2026.

This oojo deal was found by Cheapflights users on 3/3. 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 3/1510:05 pm
IAH
-
SOF
1 stop34h 05m
Turkish Airlines
Tue 3/313:50 pm
SOF
-
IAH
1 stop28h 55m
Turkish Airlines
Deal found 3/3$606
This oojo deal was found by Cheapflights users on 3/1. 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.
Sat 8/159:05 pm
IAH
-
SOF
1 stop33h 55m
Turkish Airlines
Tue 9/159:05 pm
SOF
-
IAH
1 stop30h 05m
Turkish Airlines
Deal found 3/1$646
This United Airlines deal was found by Cheapflights users on 3/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:05 pm
IAH
-
SOF
2 stops35h 30m
United Airlines
Tue 9/156:10 am
SOF
-
IAH
1 stop15h 25m
United Airlines
Deal found 3/1$660
This deal was found by Cheapflights users on 2/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:05 pm
IAH
-
SOF
1 stop15h 10m
Turkish Airlines
Mon 4/209:35 am
SOF
-
IAH
1 stop17h 35m
Turkish Airlines
Deal found 2/28$664
This Ovago deal was found by Cheapflights users on 3/3. 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.
Sun 3/155:50 pm
IAH
-
SOF
1 stop21h 55m
Lufthansa
Tue 3/316:10 am
SOF
-
IAH
2 stops20h 59m
Lufthansa
Deal found 3/3$790
This Air France deal was found by Cheapflights users on 3/1. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:47 pm
IAH
-
SOF
2 stops17h 18m
Multiple Airlines
Wed 5/207:00 am
SOF
-
IAH
2 stops20h 09m
Multiple Airlines
Deal found 3/1$798
This BusinessClass deal was found by Cheapflights users on 2/28. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:20 am
IAH
-
SOF
2 stops22h 00m
Lufthansa
Thu 5/286:30 am
SOF
-
IAH
1 stop15h 05m
Lufthansa
Deal found 2/28$806
This United Airlines deal was found by Cheapflights users on 2/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:00 am
IAH
-
SOF
2 stops19h 20m
United Airlines
Thu 5/286:30 am
SOF
-
IAH
2 stops21h 29m
United Airlines
Deal found 2/28$816
This United Airlines deal was found by Cheapflights users on 3/3. 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.
Fri 5/157:20 am
IAH
-
SOF
2 stops31h 10m
United Airlines
Mon 5/182:20 pm
SOF
-
IAH
1 stop31h 15m
United Airlines
Deal found 3/3$838
This Turkish Airlines deal was found by Cheapflights users on 3/1. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1810:05 pm
IAH
-
SOF
1 stop27h 40m
Turkish Airlines
Sun 3/229:40 pm
SOF
-
IAH
1 stop29h 30m
Turkish Airlines
Deal found 3/1$845

Find flight deals from George Bush Intcntl to Bulgaria

Keep the following information in mind while searching for George Bush Intcntl to Bulgaria flight deals. Data was last updated March 4, 2026.

Round-trip from

$606
(oojo)

Popular in

June

Cheapest in

October

Average price

$917
From Houston George Bush Intcntl to Bulgaria
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 March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl 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 March 4, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sat 8/15

9:05 pm-3:00 pm

1 stop33h 55m

Sofia

Tue 9/15

9:05 pm-7:10 pm

1 stop30h 05m

$646

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sat 8/15

6:05 pm-1:35 pm

2 stops35h 30m

Sofia

Tue 9/15

6:10 am-1:35 pm

1 stop15h 25m

$660

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 5/14

10:00 am-1:20 pm

2 stops19h 20m

Sofia

Thu 5/28

6:30 am-7:59 pm

2 stops21h 29m

$816

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Fri 5/15

7:20 am-10:30 pm

2 stops31h 10m

Sofia

Mon 5/18

2:20 pm-1:35 pm

1 stop31h 15m

$838

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 3/18

10:05 pm-8:50 pm

1 stop15h 45m

Sofia

Sun 3/22

9:40 pm-8:10 pm

1 stop29h 30m

$845

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 7/1

6:20 pm-10:50 pm

1 stop20h 30m

Sofia

Wed 7/15

6:10 am-4:30 pm

1 stop18h 20m

$856

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 7/19

3:55 pm-2:00 pm

1 stop14h 05m

Sofia

Fri 8/7

7:00 am-6:57 pm

2 stops19h 57m

$860

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 3/18

7:20 am-6:20 pm

2 stops28h 00m

Sofia

Sun 3/22

2:25 pm-8:22 pm

2 stops36h 57m

$869

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 6/24

2:31 pm-6:05 pm

2 stops19h 34m

Sofia

Thu 7/16

6:10 am-12:45 am

2 stops26h 35m

$870

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/1

Sorted by cheapest first

Best time to book a flight from George Bush Intcntl to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from George Bush Intcntl 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 George Bush Intcntl Airport to Bulgaria

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Bulgaria?

Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Bulgaria (average of $586). Flying from Houston George Bush Intcntl Airport to Bulgaria 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.

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 March 4, 2026.
Get a feel of what it's like to fly with United Airlines, Turkish Airlines, and Lufthansa from Houston George Bush Intcntl Airport to Bulgaria 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
9,382 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

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
9,382 reviews
United Airlines
7.4
Good
9,382 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

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
4,240 reviews
United Airlines
7.4
Good
9,382 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

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
7,823 reviews
United Airlines
7.4
Good
9,382 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

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 George Bush Intcntl 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 George Bush Intcntl Airport to Bulgaria?

    There are many flights that can get you from Houston George Bush Intcntl Airport to Bulgaria in 34h 05m. Fly via Turkish Airlines or United Airlines to get the fastest option. There are 6085 mi between Houston George Bush Intcntl Airport and Bulgaria. This flight may include one or multiple stops.

  • Can I find deals for flights from George Bush Intcntl to Bulgaria that include hotel bookings?

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

  • How can I find direct flights from George Bush Intcntl to Bulgaria?

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

  • Can I find deals for business class flights from George Bush Intcntl to Bulgaria?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to Bulgaria?

    Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Bulgaria (average of $586). Flying from Houston George Bush Intcntl Airport to Bulgaria 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

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Top 3 airlines flying from George Bush Intcntl to Bulgaria

Discover the top 3 airlines that operate flights from George Bush Intcntl 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 March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$596Average$1,138FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$599Average$821FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$740Average$985FlexibilityNo cancel feeOn-time69%

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