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$902+ Cheap flights from George Bush Intcntl (IAH) to Sofia (SOF)

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SOF
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$902
(Travelocity)

Popular in

December

Cheapest in

February

Average price

$747
From Houston George Bush Intcntl to Sofia
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Highest demand for flights based on searches. 11% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from George Bush Intcntl to Sofia

Cheapest flights from George Bush Intcntl to Sofia
Explore the most affordable flight options available from George Bush Intcntl to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Travelocity deal was found by Cheapflights users on 9/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:57 amIAH - SOF
2 stops17h 53mMultiple Airlines
Fri 1/96:05 amSOF - IAH
2 stops42h 19mMultiple Airlines
Deal found 9/15$902
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:20 pmIAH - SOF
2 stops35h 30mAustrian Airlines
Mon 1/56:45 pmSOF - IAH
2 stops30h 05mAustrian Airlines
Deal found 9/14$966
This Gurufare deal was found by Cheapflights users on 9/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:06 pmIAH - SOF
2 stops37h 54mMultiple Airlines
Sun 1/116:45 pmSOF - IAH
2 stops32h 01mMultiple Airlines
Deal found 9/14$1,028
This Gurufare deal was found by Cheapflights users on 9/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:35 pmIAH - SOF
2 stops20h 10mMultiple Airlines
Sun 1/46:45 pmSOF - IAH
2 stops33h 25mMultiple Airlines
Deal found 9/14$1,033
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:24 pmIAH - SOF
2 stops35h 01mMultiple Airlines
Sun 1/1112:35 pmSOF - IAH
2 stops38h 11mMultiple Airlines
Deal found 9/15$1,112
This KAYAK deal was found by Cheapflights users on 9/14. 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.
Sat 12/137:05 pmIAH - SOF
2 stops32h 45mAustrian Airlines
Sun 1/46:45 pmSOF - IAH
2 stops52h 00mAustrian Airlines
Deal found 9/14$1,123
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/217:05 pmIAH - SOF
2 stops19h 40mUnited Airlines
Sun 1/117:55 amSOF - IAH
2 stops20h 36mUnited Airlines
Deal found 9/14$1,128
This Gurufare deal was found by Cheapflights users on 9/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:30 pmIAH - SOF
1 stop13h 05mMultiple Airlines
Sun 1/46:45 pmSOF - IAH
2 stops33h 25mMultiple Airlines
Deal found 9/14$1,170
This KAYAK deal was found by Cheapflights users on 9/14. 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 12/163:55 pmIAH - SOF
2 stops18h 05mAustrian Airlines
Sun 1/46:45 pmSOF - IAH
2 stops52h 00mAustrian Airlines
Deal found 9/14$1,171

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Sofia 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 16, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Sofia that are best for you.

Fly from

George Bush Intcntl

Fly to

Sofia

Route

Depart

Return

Price

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 12/17

11:57 am-1:50 pm

2 stops17h 53m

Sofia

Fri 1/9

6:05 am-4:24 pm

2 stops42h 19m

$902

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Fri 12/12

4:20 pm-11:50 am

2 stops35h 30m

Sofia

Mon 1/5

6:45 pm-4:50 pm

2 stops30h 05m

$966

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sat 12/20

8:06 pm-6:00 pm

2 stops37h 54m

Sofia

Sun 1/11

6:45 pm-6:46 pm

2 stops32h 01m

$1,028

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 12/15

6:35 pm-10:45 pm

2 stops20h 10m

Sofia

Sun 1/4

6:45 pm-8:10 pm

2 stops33h 25m

$1,033

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Fri 12/12

4:30 pm-10:45 pm

1 stop22h 15m

Sofia

Mon 1/5

6:45 pm-6:46 pm

2 stops32h 01m

$1,033

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sat 12/13

7:05 pm-11:50 am

2 stops32h 45m

Sofia

Sun 1/4

6:45 pm-2:45 pm

2 stops52h 00m

$1,123

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 12/21

7:05 pm-10:45 pm

2 stops19h 40m

Sofia

Sun 1/11

7:55 am-8:31 pm

2 stops20h 36m

$1,128

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 12/16

3:55 pm-6:00 pm

2 stops18h 05m

Sofia

Sun 1/4

6:45 pm-2:45 pm

2 stops52h 00m

$1,171

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Fri 12/12

6:35 pm-10:45 pm

2 stops20h 10m

Sofia

Sun 1/4

6:45 pm-8:10 pm

2 stops33h 25m

$1,174

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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

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

What is the cheapest time of day to fly from IAH to SOF?

Find hourly flight availability from George Bush Intcntl to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

One of the essential ways to save on airfare from Houston George Bush Intcntl Airport to Sofia is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 34% on airfare.

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated September 16, 2025.
Read through reviews of airlines operating flights from Houston George Bush Intcntl Airport to Sofia, such as United Airlines, Turkish Airlines, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

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

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

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

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

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

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

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

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

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 George Bush Intcntl to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Houston George Bush Intcntl?

    If you book a flight to Sofia from Houston George Bush Intcntl, you will be flying to Sofia, which is the city’s only airport. Sofia (SOF) is located 4.2 mi from the center of Sofia. There are 0 flights from Houston George Bush Intcntl to Sofia per day from 4 different airlines.

  • How long is the flight from Houston George Bush Intcntl Airport to Sofia?

    For as low as $966, Austrian Airlines can have you in Sofia from Houston George Bush Intcntl Airport in 35h 30m. Airlines will cover a distance of 6085 mi.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Sofia round-trip?

    Our cheapest airline available from Houston George Bush Intcntl Airport to Sofia is British Airways. Our recent data shows that you can find tickets from as low as $575 on this airline. Additional options worth looking into are Lufthansa and Turkish Airlines, starting at $599 and $654 round-trip. Users have found that British Airways is 36% cheaper than the other options available to this destination.

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

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

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

    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 Sofia.

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

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

    Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Sofia (average of $632). Flying from Houston George Bush Intcntl Airport to Sofia in June is currently the most expensive (average of $1,183). 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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Alternative routes for George Bush Intcntl to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Sofia flights

Top 4 airlines flying from George Bush Intcntl to Sofia

Discover the top 4 airlines that operate flights from George Bush Intcntl to Sofia. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$575Average$853FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$599Average$967FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$654Average$800FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$840Average$1,095FlexibilityNo cancel feeOn-time69%

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