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$472+ Cheap flights from George Bush Intcntl (IAH) 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SOF
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
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 May 7, 2026.

This FlightHub deal was found by Cheapflights users on 5/5. 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 8/279:05 pm
IAH
-
SOF
1 stop27h 40m
Turkish Airlines
Thu 9/109:05 pm
SOF
-
IAH
1 stop30h 05m
Turkish Airlines
Deal found 5/5$755
This oojo deal was found by Cheapflights users on 5/3. 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.
Thu 9/179:05 pm
IAH
-
SOF
1 stop33h 55m
Turkish Airlines
Wed 9/303:50 pm
SOF
-
IAH
1 stop35h 20m
Turkish Airlines
Deal found 5/3$759
This United Airlines deal was found by Cheapflights users on 5/5. 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 8/164:40 pm
IAH
-
SOF
1 stop22h 35m
United Airlines
Mon 8/2412:55 pm
SOF
-
IAH
1 stop35h 35m
United Airlines
Deal found 5/5$798
This FlightHub deal was found by Cheapflights users on 5/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:05 pm
IAH
-
SOF
1 stop15h 10m
Turkish Airlines
Thu 10/19:05 pm
SOF
-
IAH
1 stop23h 40m
Turkish Airlines
Deal found 5/3$801
This FlightHub deal was found by Cheapflights users on 5/6. 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.
Sun 8/165:06 pm
IAH
-
SOF
2 stops17h 34m
Lufthansa
Mon 8/247:00 pm
SOF
-
IAH
1 stop26h 35m
Lufthansa
Deal found 5/6$804
This oojo deal was found by Cheapflights users on 5/3. 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 8/169:05 pm
IAH
-
SOF
1 stop14h 15m
British Airways
Mon 8/248:10 pm
SOF
-
IAH
1 stop31h 05m
British Airways
Deal found 5/3$810
This FlightHub deal was found by Cheapflights users on 5/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:05 pm
IAH
-
SOF
1 stop33h 55m
Turkish Airlines
Thu 10/19:05 pm
SOF
-
IAH
1 stop23h 40m
Turkish Airlines
Deal found 5/3$818
This Justfly.com deal was found by Cheapflights users on 5/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:45 am
IAH
-
SOF
2 stops16h 25m
Multiple Airlines
Mon 8/247:00 pm
SOF
-
IAH
2 stops30h 21m
Multiple Airlines
Deal found 5/5$825
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Mon 9/144:40 pm
IAH
-
SOF
1 stop22h 35m
United Airlines
Thu 10/16:30 am
SOF
-
IAH
1 stop19h 20m
United Airlines
Deal found 5/3$831
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Mon 9/144:40 pm
IAH
-
SOF
1 stop22h 35m
United Airlines
Tue 9/296:10 am
SOF
-
IAH
2 stops21h 42m
United Airlines
Deal found 5/3$834

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 May 7, 2026.

Round-trip from

$755
(FlightHub)

One-way from

$472
(Iberia)

Popular in

June

Cheapest in

October

Average price

$1,206
From Houston George Bush Intcntl to Bulgaria
Search Deals
One-way flight from Houston George Bush Intcntl to Bulgaria
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($285 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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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 May 7, 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

Cheapest round-trip

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 8/16

5:06 pm-6:40 pm

2 stops17h 34m

Sofia

Mon 8/24

12:55 pm-4:30 pm

1 stop35h 35m

$803

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 8/16

9:05 pm-7:20 pm

1 stop14h 15m

Sofia

Mon 8/24

8:10 pm-7:15 pm

1 stop31h 05m

$815
Quickest round-trip

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 9/14

10:57 am-12:10 pm

2 stops17h 13m

Sofia

Thu 10/1

6:30 am-1:35 pm

1 stop15h 05m

$835

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 7/22

10:49 am-2:00 pm

2 stops19h 11m

Sofia

Thu 8/13

7:00 am-10:19 pm

2 stops23h 19m

$951

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 9/17

12:55 pm-2:00 pm

2 stops17h 05m

Sofia

Tue 9/29

7:00 am-9:59 pm

2 stops22h 59m

$951

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 7/7

3:35 pm-10:50 pm

1 stop23h 15m

Sofia

Mon 7/13

2:20 pm-1:35 pm

1 stop31h 15m

$990

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 7/19

7:20 am-6:40 pm

2 stops27h 20m

Sofia

Sun 8/16

6:10 am-5:55 pm

2 stops19h 45m

$1,023

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 7/9

6:20 pm-10:40 pm

1 stop20h 20m

Sofia

Tue 7/14

6:10 am-10:50 am

2 stops36h 40m

$1,036

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 5/18

12:04 pm-2:00 pm

2 stops17h 56m

Sofia

Wed 5/27

7:00 am-8:00 pm

2 stops21h 00m

$1,061
Cheapest one-way

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 9/24

9:57 am-1:25 pm

2 stops19h 28m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 $572). Flying from Houston George Bush Intcntl Airport 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 May 7, 2026.
Get a feel of what it's like to fly with Turkish Airlines,United Airlines, andLufthansa 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.
Turkish Airlines
7.4
Good
4,355 reviews

Comfort

7.3

Boarding

7.3

Overall

7.4

Entertainment

7.5

Food

7.5

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DEN - IST

The seat assignments that were booked well in advance and paid extra for were all changed and incorrect. This includes the bassinet we requested at time of booking being unavailable and the row we selected not being in the bassinet aisle.
Turkish Airlines
7.4
Good
4,355 reviews
Turkish Airlines
7.4
Good
4,355 reviews

Comfort

7.3

Boarding

7.3

Overall

7.4

Entertainment

7.5

Food

7.5

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DEN - IST

The seat assignments that were booked well in advance and paid extra for were all changed and incorrect. This includes the bassinet we requested at time of booking being unavailable and the row we selected not being in the bassinet aisle.
United Airlines
7.4
Good
9,692 reviews
Turkish Airlines
7.4
Good
4,355 reviews

Comfort

7.3

Boarding

7.3

Overall

7.4

Entertainment

7.5

Food

7.5

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DEN - IST

The seat assignments that were booked well in advance and paid extra for were all changed and incorrect. This includes the bassinet we requested at time of booking being unavailable and the row we selected not being in the bassinet aisle.
Lufthansa
6.8
Okay
7,978 reviews
Turkish Airlines
7.4
Good
4,355 reviews

Comfort

7.3

Boarding

7.3

Overall

7.4

Entertainment

7.5

Food

7.5

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DEN - IST

The seat assignments that were booked well in advance and paid extra for were all changed and incorrect. This includes the bassinet we requested at time of booking being unavailable and the row we selected not being in the bassinet aisle.

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 14h 15m. Fly via United Airlines or British Airways 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 $572). Flying from Houston George Bush Intcntl Airport 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 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 May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$596Average$1,142FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$646Average$861FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$740Average$985FlexibilityNo cancel feeOn-time69%

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