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Sofia

$500+ Cheap flights from Houston to Sofia (SOF)

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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SOF
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Houston to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 November 6, 2025.

Round-trip from

$629
(United Airlines)

One-way from

$500
(Ovago)

Popular in

June

Cheapest in

November

Average price

$654
From Houston to Sofia
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One-way flight from Houston to Sofia
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Highest demand for flights based on searches. 27% potential increase in price ($354 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($62 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Houston to Sofia

Cheapest flights from Houston to Sofia
Explore the most affordable flight options available from Houston to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This KAYAK deal was found by Cheapflights users on 11/4. 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 11/169:05 pmIAH - SOF
1 stop34h 05mTurkish Airlines
Fri 12/124:00 pmSOF - IAH
1 stop35h 10mTurkish Airlines
Deal found 11/4$672
This KLM deal was found by Cheapflights users on 11/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1612:42 pmIAH - SOF
2 stops17h 23mKLM
Wed 12/247:00 amSOF - IAH
2 stops23h 57mKLM
Deal found 11/4$679
This KAYAK deal was found by Cheapflights users on 11/4. 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 11/169:05 pmIAH - SOF
1 stop34h 05mTurkish Airlines
Mon 12/89:40 pmSOF - IAH
1 stop29h 30mTurkish Airlines
Deal found 11/4$722
This KAYAK deal was found by Cheapflights users on 11/4. 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 11/169:05 pmIAH - SOF
1 stop34h 05mTurkish Airlines
Sun 12/74:00 pmSOF - IAH
1 stop35h 10mTurkish Airlines
Deal found 11/4$732
This Trip.com deal was found by Cheapflights users on 11/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:50 pmIAH - SOF
1 stop20h 20mBritish Airways
Wed 12/249:00 pmSOF - IAH
1 stop31h 00mBritish Airways
Deal found 11/4$737
This KAYAK deal was found by Cheapflights users on 11/4. 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 11/183:50 pmIAH - SOF
1 stop20h 20mBritish Airways
Mon 12/85:25 pmSOF - IAH
1 stop28h 40mBritish Airways
Deal found 11/4$742
This United Airlines deal was found by Cheapflights users on 11/4. 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
Tue 12/96:00 amSOF - IAH
2 stops23h 39mUnited Airlines
Deal found 11/4$752
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/179:33 amIAH - SOF
2 stops19h 42mUnited Airlines
Thu 12/116:00 amSOF - IAH
1 stop16h 35mUnited Airlines
Deal found 11/4$756
This Air Canada deal was found by Cheapflights users on 11/4. 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.
Tue 11/186:25 pmIAH - SOF
2 stops39h 55mAir Canada
Tue 12/96:00 amSOF - IAH
2 stops23h 39mAir Canada
Deal found 11/4$758
This United Airlines deal was found by Cheapflights users on 11/4. 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
Wed 12/106:10 amSOF - IAH
2 stops21h 35mUnited Airlines
Deal found 11/4$762
This Air France deal was found by Cheapflights users on 11/4. 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.
Tue 11/184:05 pmIAH - SOF
1 stop13h 50mMultiple Airlines
Tue 12/97:00 amSOF - IAH
2 stops18h 47mMultiple Airlines
Deal found 11/4$763
This Air Canada deal was found by Cheapflights users on 11/4. 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 11/1612:30 pmIAH - SOF
2 stops21h 50mAir Canada
Mon 12/81:45 pmSOF - IAH
2 stops58h 39mAir Canada
Deal found 11/4$764

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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 November 6, 2025.
Use the filters below to find and compare flights from Houston to Sofia that are best for you.

Fly from

Houston

Fly to

Sofia

Route

Depart

Return

Price

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 4/2

3:30 pm-1:30 pm

1 stop14h 00m

Sofia

Mon 4/6

8:00 pm-1:40 pm

1 stop25h 40m

$632

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 12/16

12:42 pm-2:05 pm

2 stops17h 23m

Sofia

Wed 12/24

7:00 am-10:57 pm

2 stops23h 57m

$679

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 4/2

9:10 pm-8:45 am

1 stop27h 35m

Sofia

Mon 4/6

3:50 pm-7:15 pm

1 stop35h 25m

$707

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 4/1

2:30 pm-3:00 pm

1 stop16h 30m

Sofia

Sun 4/5

9:05 pm-12:45 pm

1 stop23h 40m

$727

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 4/2

3:30 pm-2:00 pm

1 stop14h 30m

Sofia

Mon 4/6

7:00 am-10:19 pm

2 stops23h 19m

$746

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 11/16

12:30 pm-6:20 pm

2 stops21h 50m

Sofia

Wed 12/10

6:10 am-9:39 pm

2 stops23h 29m

$752

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 11/16

4:50 pm-10:45 pm

1 stop21h 55m

Sofia

Tue 12/9

6:00 am-9:39 pm

2 stops23h 39m

$752

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 11/18

6:25 pm-6:20 pm

2 stops39h 55m

Sofia

Wed 12/10

6:10 am-9:39 pm

2 stops23h 29m

$758

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 11/16

4:50 pm-10:45 pm

1 stop21h 55m

Sofia

Wed 12/10

6:10 am-7:45 pm

2 stops21h 35m

$762

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 11/16

12:30 pm-6:20 pm

2 stops21h 50m

Sofia

Mon 12/8

1:45 pm-4:24 pm

2 stops58h 39m

$764

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 19 results
1
2

Best time to book a flight from Houston to Sofia

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

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

Find hourly flight availability from Houston 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 November 6, 2025.

It’s typically best to fly out from Houston to Sofia at noon. Doing so could potentially save you 37% on the flight price compared to flying in the morning, which is usually more expensive.

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 November 6, 2025.
Get a feel of what it's like to fly with United Airlines, Turkish Airlines, and Lufthansa from Houston to Sofia 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
9,003 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,003 reviews
United Airlines
7.4
Good
9,003 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Turkish Airlines
7.3
Good
4,031 reviews
United Airlines
7.4
Good
9,003 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,555 reviews
United Airlines
7.4
Good
9,003 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,499 reviews
United Airlines
7.4
Good
9,003 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Houston 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?

    If you book a flight to Sofia from Houston, 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 to Sofia per day from 4 different airlines.

  • How long is the flight from Houston to Sofia?

    Airlines like British Airways, KLM, and Turkish Airlines fly from Houston to Sofia in about 14h. The time it takes to get you to your destination can typically vary by up to 13h 35m. The distance from Houston to Sofia is about 6085 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Houston to Sofia round-trip?

    Flying on British Airways is currently your cheapest option to Sofia, with prices starting at $575. Additional round-trip tickets that might be worth considering are offered by Turkish Airlines and Lufthansa, with the lowest prices starting at $598 and $599, respectively. British Airways is currently priced 39% below the average price you’ll pay for this route.

  • Can I find deals for flights from Houston to Sofia that include hotel bookings?

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

  • How can I find direct flights from Houston to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Sofia.

  • Can I find deals for business class flights from Houston to Sofia?

    Yes. Cheapflights offers flight deals from Houston 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Houston to Sofia

Discover the top 4 airlines that operate flights from Houston 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$575Average$853FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$598Average$771FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$599Average$1,057FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$755Average$1,079FlexibilityNo cancel feeOn-time69%

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