HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$355+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SOF
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Sofia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 3, 2025.

Round-trip from

$596
(FlightHub)

One-way from

$355
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$698
From Houston to Sofia
Search Deals
One-way flight from Houston to Sofia
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($326 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 3, 2025.

This FlightHub deal was found by Cheapflights users on 4/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/149:00 pmIAH - SOF
1 stop27h 35mTurkish Airlines
Fri 4/259:25 amSOF - IAH
1 stop17h 40mTurkish Airlines
Deal found 4/1$596
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:00 pmIAH - SOF
1 stop32h 30mAmerican Airlines
Wed 11/53:00 pmSOF - IAH
1 stop37h 00mAmerican Airlines
Deal found 3/31$642
This United Airlines deal was found by Cheapflights users on 3/31. 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 9/103:35 pmIAH - SOF
1 stop18h 15mUnited Airlines
Tue 11/46:00 amSOF - IAH
2 stops24h 33mUnited Airlines
Deal found 3/31$647
This British Airways deal was found by Cheapflights users on 3/31. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:00 pmIAH - SOF
1 stop15h 40mBritish Airways
Tue 11/46:05 pmSOF - IAH
1 stop28h 05mBritish Airways
Deal found 3/31$672
This Ovago deal was found by Cheapflights users on 4/2. 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.
Wed 9/108:20 pmHOU - SOF
2 stops33h 10mBritish Airways
Wed 11/53:00 pmSOF - HOU
2 stops34h 59mBritish Airways
Deal found 4/2$686
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Thu 9/1110:00 amIAH - SOF
2 stops19h 05mAir Canada
Thu 11/66:00 amSOF - IAH
2 stops24h 33mAir Canada
Deal found 3/31$707
This Expedia deal was found by Cheapflights users on 4/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/263:35 pmIAH - SOF
1 stop18h 15mMultiple Airlines
Mon 9/223:30 pmSOF - IAH
2 stops36h 43mMultiple Airlines
Deal found 4/2$725
This Lufthansa deal was found by Cheapflights users on 3/31. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/113:35 pmIAH - SOF
1 stop18h 15mLufthansa
Tue 11/41:45 pmSOF - IAH
2 stops16h 59mLufthansa
Deal found 3/31$729
This KLM deal was found by Cheapflights users on 4/2. 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.
Mon 4/1410:13 amHOU - SOF
2 stops19h 47mKLM
Fri 4/257:00 amSOF - HOU
2 stops18h 48mKLM
Deal found 4/2$1,213
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/159:12 amHOU - SOF
2 stops20h 18mMultiple Airlines
Mon 5/2610:20 amSOF - HOU
2 stops21h 38mMultiple Airlines
Deal found 4/2$1,667
This Gurufare deal was found by Cheapflights users on 4/2. 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 4/79:43 amIAH - SOF
2 stops17h 57mAustrian Airlines
Mon 4/216:55 pmSOF - IAH
2 stops32h 00mAustrian Airlines
Deal found 4/2$1,933

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 April 3, 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

Mon 4/14

9:00 pm-8:35 am

1 stop27h 35m

Sofia

Fri 4/25

9:25 am-7:05 pm

1 stop17h 40m

$596

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 9/10

9:00 pm-1:30 pm

1 stop32h 30m

Sofia

Wed 11/5

3:00 pm-8:00 pm

1 stop37h 00m

$642

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 9/10

3:35 pm-5:50 pm

1 stop18h 15m

Sofia

Tue 11/4

6:00 am-10:33 pm

2 stops24h 33m

$647

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 9/9

9:00 pm-8:40 pm

1 stop15h 40m

Sofia

Tue 11/4

6:05 pm-2:10 pm

1 stop28h 05m

$672

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Wed 9/10

8:20 pm-1:30 pm

2 stops33h 10m

Sofia

Wed 11/5

3:00 pm-5:59 pm

2 stops34h 59m

$686

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 9/11

10:00 am-1:05 pm

2 stops19h 05m

Sofia

Thu 11/6

6:00 am-10:33 pm

2 stops24h 33m

$707

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 8/26

3:35 pm-5:50 pm

1 stop18h 15m

Sofia

Mon 9/22

3:30 pm-8:13 pm

2 stops36h 43m

$725

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 9/11

3:35 pm-5:50 pm

1 stop18h 15m

Sofia

Tue 11/4

1:45 pm-10:44 pm

2 stops16h 59m

$729

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Mon 4/14

10:13 am-2:00 pm

2 stops19h 47m

Sofia

Fri 4/25

7:00 am-5:48 pm

2 stops18h 48m

$1,213

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Thu 5/15

9:12 am-1:30 pm

2 stops20h 18m

Sofia

Mon 5/26

10:20 am-11:58 pm

2 stops21h 38m

$1,667

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 17 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 month to book a flight from Houston to Sofia?

Currently, November is the cheapest month in which you can book a flight from Houston to Sofia (average of $632). Flying from Houston to Sofia in June is currently the most expensive (average of $1,243). 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.

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 April 3, 2025.

It’s typically best to fly out from Houston to Sofia at noon. Doing so could potentially save you 41% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

Plan your trip to Sofia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 3, 2025.
Get a feel of what it's like to fly with KLM, Air France and United Airlines from Houston to Sofia by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,323 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,427 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,616 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Turkish Airlines
7.3
Good
3,750 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

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

    Flying on Turkish Airlines is currently your cheapest option to Sofia, with prices starting at $596. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $642 and $647, respectively. Turkish Airlines is currently priced 37% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Houston to Sofia one-way?

    One-way options have recently been found by users for as low as $514 on Turkish Airlines. Other airlines that offer cheap prices include American Airlines from $556 and Lufthansa from $959 one-way.

  • 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.

  • What is the cheapest month to book a flight from Houston to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Houston to Sofia (average of $632). Flying from Houston to Sofia in June is currently the most expensive (average of $1,243). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$631Average$1,152FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$633Average$832FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$650Average$925FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$744Average$1,147FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.