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$246+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SOF
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
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 January 20, 2026.

This Billigflug deal was found by Cheapflights users on 1/19. 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 Billigflug 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
Multiple Airlines
Tue 3/316:10 am
SOF
-
IAH
2 stops44h 31m
Multiple Airlines
Deal found 1/19$525
This AirNGo deal was found by Cheapflights users on 1/19. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:10 am
IAH
-
SOF
2 stops27h 50m
Air Canada
Tue 3/312:10 pm
SOF
-
IAH
2 stops28h 39m
Air Canada
Deal found 1/19$532
This United Airlines deal was found by Cheapflights users on 1/19. 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 3/155:50 pm
IAH
-
SOF
1 stop21h 55m
United Airlines
Tue 3/316:10 am
SOF
-
IAH
1 stop15h 25m
United Airlines
Deal found 1/19$535
This KAYAK deal was found by Cheapflights users on 1/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:05 pm
IAH
-
SOF
1 stop15h 25m
British Airways
Mon 9/148:10 pm
SOF
-
IAH
1 stop31h 05m
British Airways
Deal found 1/17$542
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 8/262:30 pm
IAH
-
SOF
2 stops20h 10m
United Airlines
Tue 9/86:10 am
SOF
-
IAH
1 stop15h 25m
United Airlines
Deal found 1/20$549
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Wed 3/42:53 pm
IAH
-
SOF
2 stops19h 27m
United Airlines
Fri 3/136:10 am
SOF
-
IAH
2 stops21h 39m
United Airlines
Deal found 1/18$550
This KAYAK deal was found by Cheapflights users on 1/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:05 pm
IAH
-
SOF
1 stop14h 15m
British Airways
Mon 9/78:10 pm
SOF
-
IAH
1 stop31h 05m
British Airways
Deal found 1/20$551
This KAYAK deal was found by Cheapflights users on 1/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:05 pm
IAH
-
SOF
1 stop32h 20m
British Airways
Mon 9/78:10 pm
SOF
-
IAH
2 stops32h 27m
British Airways
Deal found 1/20$552

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 January 20, 2026.

Round-trip from

$525
(Billigflug)

One-way from

$246
(oojo)

Popular in

June

Cheapest in

October

Average price

$680
From Houston George Bush Intcntl to Bulgaria
Search Deals
One-way flight from Houston George Bush Intcntl to Bulgaria
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Highest demand for flights based on searches. 28% potential increase in price ($363 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 20, 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

George Bush Intcntl

Fly to

Bulgaria

Route

Depart

Return

Price

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 3/15

5:50 pm-10:45 pm

1 stop21h 55m

Sofia

Tue 3/31

6:10 am-6:41 pm

2 stops44h 31m

$525

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 3/15

7:10 am-6:00 pm

2 stops27h 50m

Sofia

Tue 3/31

2:10 pm-10:49 am

2 stops28h 39m

$532

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 3/15

5:50 pm-10:45 pm

1 stop21h 55m

Sofia

Tue 3/31

6:10 am-6:00 pm

1 stop19h 50m

$535

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 3/4

2:53 pm-6:20 pm

2 stops19h 27m

Sofia

Fri 3/13

6:10 am-8:49 pm

2 stops21h 39m

$550

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 2/19

4:36 pm-11:15 am

2 stops34h 39m

Sofia

Mon 2/23

5:25 pm-10:31 pm

2 stops37h 06m

$586

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 2/19

9:05 pm-8:50 pm

1 stop15h 45m

Sofia

Mon 2/23

4:00 pm-7:10 pm

1 stop35h 10m

$594

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 2/19

12:10 pm-1:15 pm

2 stops17h 05m

Sofia

Mon 2/23

7:05 pm-2:10 pm

2 stops27h 05m

$623

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 4/20

7:58 pm-8:30 pm

2 stops40h 32m

$246

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 4/20

4:30 pm-11:10 pm

1 stop22h 40m

$261

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 4/20

11:50 am-6:30 pm

3 stops22h 40m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/17

Showing 1-10 of 12 results
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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 $1,105). 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 January 20, 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
9,180 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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
9,180 reviews
United Airlines
7.4
Good
9,180 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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
4,196 reviews
United Airlines
7.4
Good
9,180 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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
7,732 reviews
United Airlines
7.4
Good
9,180 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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 21h 55m. Fly via Air Canada 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 $1,105). 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 George Bush Intcntl to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$599Average$944FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$622Average$801FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$755Average$1,072FlexibilityNo cancel feeOn-time69%

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