$288 Cheap Flights from Houston (IAH) to Sofia (SOF)

View $288 flight on Tue, Nov 17, 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Sofia Airport (SOF)

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Cheap Flights from Houston to Sofia (IAH-SOF)

Prices were available within the past 7 days and start at $288 for one-way flights and $670 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Thu, Apr 23 - Fri, May 1
IAH
Houston
SOF
Sofia
$670 Roundtrip, found 11 hours ago
$670
Roundtrip
found 11 hours ago
Select Turkish Airlines flight, departing Thu, Apr 23 from Houston to Sofia, returning Fri, May 1, priced at $670 found 11 hours ago
Turkish Airlines
Sun, Apr 26 - Wed, May 13
IAH
Houston
SOF
Sofia
$672 Roundtrip, found 10 hours ago
$672
Roundtrip
found 10 hours ago
Select Turkish Airlines flight, departing Sun, Apr 26 from Houston to Sofia, returning Wed, May 13, priced at $672 found 10 hours ago
Air Canada
Wed, Nov 18 - Wed, Dec 9
IAH
Houston
SOF
Sofia
$689 Roundtrip, found 1 day ago
$689
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Nov 18 from Houston to Sofia, returning Wed, Dec 9, priced at $689 found 1 day ago
Air Canada
Wed, Nov 18 - Wed, Dec 9
IAH
Houston
SOF
Sofia
$692 Roundtrip, found 1 day ago
$692
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Nov 18 from Houston to Sofia, returning Wed, Dec 9, priced at $692 found 1 day ago
Air Canada
Tue, Nov 17 - Tue, Dec 8
IAH
Houston
SOF
Sofia
$693 Roundtrip, found 4 days ago
$693
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Nov 17 from Houston to Sofia, returning Tue, Dec 8, priced at $693 found 4 days ago
Air Canada
Wed, Nov 18 - Wed, Dec 9
IAH
Houston
SOF
Sofia
$697 Roundtrip, found 1 day ago
$697
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Nov 18 from Houston to Sofia, returning Wed, Dec 9, priced at $697 found 1 day ago
Lufthansa
Wed, Nov 18 - Wed, Dec 9
IAH
Houston
SOF
Sofia
$697 Roundtrip, found 1 day ago
$697
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Nov 18 from Houston to Sofia, returning Wed, Dec 9, priced at $697 found 1 day ago
Air Canada
Wed, Nov 18 - Wed, Dec 9
IAH
Houston
SOF
Sofia
$699 Roundtrip, found 1 day ago
$699
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Nov 18 from Houston to Sofia, returning Wed, Dec 9, priced at $699 found 1 day ago
United
Sun, Sep 13 - Thu, Sep 24
IAH
Houston
SOF
Sofia
$730 Roundtrip, found 2 days ago
$730
Roundtrip
found 2 days ago
Select United flight, departing Sun, Sep 13 from Houston to Sofia, returning Thu, Sep 24, priced at $730 found 2 days ago
British Airways
Wed, Oct 7 - Wed, Oct 21
IAH
Houston
SOF
Sofia
$732 Roundtrip, found 8 hours ago
$732
Roundtrip
found 8 hours ago
Select British Airways flight, departing Wed, Oct 7 from Houston to Sofia, returning Wed, Oct 21, priced at $732 found 8 hours ago

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Alternative airports near Sofia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sofia Airport SOF. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $712
SOF
Sofia Airport
CheapestClosest
Average driving time to city center11 min
Flights from $712

Frequently asked questions

How much does a flight from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF) cost?
You can find cheap one-way flights from $288 and cheap return flights from $670 Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF) with Expedia. One-way flights usually range from $1934 to $15125, and return flights typically cost between $851 and $8005. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF)?
The cheapest month to fly from IAH to SOF is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF)?
Enter IAH to SOF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF)?
JetBlue Airways is one of the cheapest airlines offering connecting flights from George Bush Intercontinental (IAH) to Sofia (SOF) with a layover in Logan Intl. (BOS), starting from around $1,383. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from IAH to SOF. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF)?
For flights from Houston (IAH-George Bush Intercontinental) to Sofia (SOF), the most popular departure times are from 3pm to 6pm. About 31% of passengers prefer this time window. Many major carriers, including Lufthansa, United Airlines, and Austrian Airlines, operate flights during this period. This timing is popular because it allows you to enjoy a full day in Houston before your flight.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF)?
A flight from IAH to SOF with a layover takes around 14 hours 30 minutes, with the route covering approximately 6,089 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF)?
You can fly business class between IAH and SOF. Airlines that offer business class service on this route include:

  • Turkish Airlines
  • United Airlines
  • Lufthansa
  • Air Canada
  • KLM
  • British Airways
  • Emirates
  • Air France

First class is available with Lufthansa.
How do I earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF) Sofia Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) to Sofia (SOF) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Sofia
Airlines serving
Air Canada, Air France, Austrian Airlines, British Airways, Emirates, ITA Airways, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$669
Distance
6088 mi

Book with confidence

Houston to Sofia Flights

The cheapest times to fly from Houston to Sofia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Sofia are during the month of April. You can find some of the cheapest flights from Houston to Sofia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Sofia

Sunday is one of the best days to book for cheap flights from Houston to Sofia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Sofia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Sofia in 2026. You can also book with separate airlines for your outbound and return journeys, from $288 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Sofia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Sofia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Houston to Sofia Flights

*Flight schedules are subject to change.

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