Cheap flights from Houston to Sofia from $629

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Sofia departing on 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Houston to Sofia

Cheap round-trip flights

Turkish Airlines Logo
2:25 pm - 8:35 amIAH-SOF
34h 10m1 stop
Turkish Airlines Logo
9:25 am - 12:40 pmSOF-IAH
35h 15m1 stop
$629Turkish Airlines
Find Deal
Wed, Sep 24 - Thu, Oct 2
Turkish Airlines Logo
9:00 pm - 8:35 amIAH-SOF
27h 35m1 stop
Turkish Airlines Logo
9:25 am - 12:40 pmSOF-IAH
35h 15m1 stop
$704Turkish Airlines
Find Deal
Sun, Sep 28 - Sun, Oct 12
 Logo
6:35 pm - 10:45 pmIAH-SOF
20h 10m2 stops
 Logo
6:45 pm - 6:46 pmSOF-IAH
32h 01m2 stops
Fri, Dec 12 - Mon, Jan 5
Lufthansa Logo
6:50 pm - 10:50 pmIAH-SOF
20h 00m2 stops
Lufthansa Logo
6:15 am - 1:35 pmSOF-IAH
15h 20m1 stop
$773Lufthansa
Find Deal
Wed, Sep 24 - Thu, Oct 2
Lufthansa Logo
5:05 pm - 10:50 pmIAH-SOF
21h 45m2 stops
Lufthansa Logo
6:15 am - 5:25 pmSOF-IAH
19h 10m2 stops
$782Lufthansa
Find Deal
Wed, Sep 24 - Thu, Oct 2
 Logo
6:35 pm - 10:45 pmIAH-SOF
20h 10m2 stops
 Logo
6:45 pm - 6:46 pmSOF-IAH
32h 01m2 stops
Fri, Dec 12 - Mon, Jan 5
United Airlines Logo
5:00 am - 11:15 amIAH-SOF
22h 15m2 stops
United Airlines Logo
6:00 am - 5:55 pmSOF-IAH
19h 55m2 stops
$887United Airlines
Find Deal
Sun, Sep 28 - Sun, Oct 12
British Airways Logo
3:50 pm - 4:20 pmIAH-SOF
16h 30m1 stop
British Airways Logo
2:30 pm - 2:05 pmSOF-IAH
31h 35m1 stop
$943British Airways
Find Deal
Sun, Dec 21 - Sun, Jan 11
British Airways Logo
3:50 pm - 4:20 pmIAH-SOF
16h 30m1 stop
British Airways Logo
2:30 pm - 2:05 pmSOF-IAH
31h 35m1 stop
$967British Airways
Find Deal
Sun, Dec 21 - Sun, Jan 11
United Airlines Logo
7:05 pm - 10:45 pmIAH-SOF
19h 40m2 stops
United Airlines Logo
2:00 pm - 11:59 pmSOF-IAH
17h 59m2 stops
$1,021United Airlines
Find Deal
Sun, Dec 21 - Sun, Jan 11

Turkish Airlines flights from Houston to Sofia

Our best Turkish Airlines deals on Houston to Sofia flight tickets
Turkish Airlines
Sep 24
IAH2:25 pmHouston George Bush Intcntl
34h 10m
1 stop
SOF8:35 amSofia
Oct 2
SOF9:25 amSofia
35h 15m
1 stop
IAH12:40 pmHouston George Bush Intcntl
Turkish Airlines
Sep 28
IAH9:00 pmHouston George Bush Intcntl
27h 35m
1 stop
SOF8:35 amSofia
Oct 12
SOF9:25 amSofia
35h 15m
1 stop
IAH12:40 pmHouston George Bush Intcntl
Turkish Airlines
Sep 28
IAH9:00 pmHouston George Bush Intcntl
15h 25m
1 stop
SOF8:25 pmSofia
Oct 12
SOF9:15 pmSofia
23h 25m
1 stop
IAH12:40 pmHouston George Bush Intcntl

Lufthansa flights from Houston to Sofia

Our best Lufthansa deals on Houston to Sofia flight tickets
Lufthansa
Sep 24
IAH6:50 pmHouston George Bush Intcntl
20h 00m
2 stops
SOF10:50 pmSofia
Oct 2
SOF6:15 amSofia
15h 20m
1 stop
IAH1:35 pmHouston George Bush Intcntl
Lufthansa
Sep 24
IAH5:05 pmHouston George Bush Intcntl
21h 45m
2 stops
SOF10:50 pmSofia
Oct 2
SOF6:15 amSofia
19h 10m
2 stops
IAH5:25 pmHouston George Bush Intcntl
Lufthansa
Sep 28
IAH4:45 pmHouston George Bush Intcntl
22h 15m
1 stop
SOF11:00 pmSofia
Oct 12
SOF6:00 amSofia
19h 55m
2 stops
IAH5:55 pmHouston George Bush Intcntl

momondo 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, momondo users made 832,500 searches. Data last updated August 28, 2025.
Use the filters below to find and compare flights from Houston to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 9/24

2:25 pm-8:35 am

1 stop34h 10m

Sofia

Thu 10/2

9:25 am-12:40 pm

1 stop35h 15m

$629

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 9/28

9:00 pm-8:35 am

1 stop27h 35m

Sofia

Sun 10/12

9:25 am-12:40 pm

1 stop35h 15m

$704

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Fri 12/12

6:35 pm-10:45 pm

2 stops20h 10m

Sofia

Mon 1/5

6:45 pm-6:46 pm

2 stops32h 01m

$765

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 9/24

6:50 pm-10:50 pm

2 stops20h 00m

Sofia

Thu 10/2

6:15 am-1:35 pm

1 stop15h 20m

$773

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 9/24

5:05 pm-10:50 pm

2 stops21h 45m

Sofia

Thu 10/2

6:15 am-5:25 pm

2 stops19h 10m

$782

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Fri 12/12

6:35 pm-10:45 pm

2 stops20h 10m

Sofia

Mon 1/5

6:45 pm-6:46 pm

2 stops32h 01m

$792

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 9/28

5:00 am-11:15 am

2 stops22h 15m

Sofia

Sun 10/12

6:00 am-5:55 pm

2 stops19h 55m

$887

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 12/21

3:50 pm-4:20 pm

1 stop16h 30m

Sofia

Sun 1/11

2:30 pm-2:05 pm

1 stop31h 35m

$943

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 12/21

3:50 pm-4:20 pm

1 stop16h 30m

Sofia

Sun 1/11

2:30 pm-2:05 pm

1 stop31h 35m

$967

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 12/21

7:05 pm-10:45 pm

2 stops19h 40m

Sofia

Sun 1/11

2:00 pm-11:59 pm

2 stops17h 59m

$1,021

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sofia from

How to get the cheapest flight ticket from Houston to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Sofia?

According to our data, Sunday is the cheapest day to fly to Sofia from Houston. The lowest ticket price found for a Sunday departure recently was $813. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Houston to Sofia on a Friday will generally be more expensive and average around $1,241. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

At noon is the cheapest time of day to fly from Houston to Sofia when you can find flight prices for as low as $776. Flying to Sofia at noon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,281 per ticket.

Cheap Houston to Sofia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Sofia

Direct flights

None
There are no direct flights from Houston to Sofia. There are no popular flight routes from Houston to Sofia.
  • How far is Houston to Sofia by plane?

    The distance between Houston and Sofia is about 6094.3 mi. 13h 05m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Houston to Sofia Airport?

    Prices for flights from Houston to Sofia Airport were last updated today.

  • How many operators does momondo search for flights from Houston to Sofia Airport?

  • How old do you have to be to fly from Houston to Sofia Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Sofia Airport.

  • What documentation or ID do you need to fly to Sofia Airport?

    The necessary travel and health documents for your Sofia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Sofia

Compare and see reviews for airlines that fly from Houston to Sofia with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $575Free CancellationRating
6.7
7,316 reviews
Search British Airways flights
LufthansaPriceFrom $599Free CancellationRating
6.8
7,368 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $633Free CancellationRating
7.3
3,955 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $840Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Sofia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sofia from Houston.

Can I find flights from Houston to Sofia with flexible booking policies on momondo?

Flights from Houston to Sofia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Sofia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Houston to Sofia.

I’m not ready to book a flight from Houston to Sofia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Houston to Sofia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Sofia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/2
Tue 9/9

Find better results for your trip to Bulgaria

Fly your favorite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo