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Cheap flights from Houston to Sofia from $578

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 3/10. 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

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Find the cheapest flights from Houston to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
5:30 pm - 1:45 pm
IAH
-
SOF
13h 15m
1 stop
Lufthansa Logo
2:10 pm - 12:30 am
SOF
-
IAH
18h 20m
2 stops
$578Lufthansa
Tue, Mar 10 - Thu, Apr 16
Lufthansa Logo
5:30 pm - 1:45 pm
IAH
-
SOF
13h 15m
1 stop
Lufthansa Logo
6:30 am - 1:35 pm
SOF
-
IAH
15h 05m
1 stop
$587Lufthansa
Tue, Mar 10 - Thu, Apr 16
Turkish Airlines Logo
9:05 pm - 8:50 pm
IAH
-
SOF
15h 45m
1 stop
Turkish Airlines Logo
4:00 pm - 7:10 pm
SOF
-
IAH
35h 10m
1 stop
$595Turkish Airlines
Thu, Feb 19 - Mon, Feb 23
Turkish Airlines Logo
9:05 pm - 8:50 pm
IAH
-
SOF
15h 45m
1 stop
Turkish Airlines Logo
9:35 am - 7:10 pm
SOF
-
IAH
17h 35m
1 stop
$600Turkish Airlines
Thu, Feb 26 - Sun, Mar 8
United Airlines Logo
4:50 pm - 10:45 pm
IAH
-
SOF
21h 55m
1 stop
United Airlines Logo
2:20 pm - 7:15 pm
SOF
-
IAH
35h 55m
1 stop
$638United Airlines
Wed, Feb 25 - Mon, Mar 9
United Airlines Logo
4:50 pm - 10:45 pm
IAH
-
SOF
21h 55m
1 stop
United Airlines Logo
2:20 pm - 9:39 pm
SOF
-
IAH
38h 19m
2 stops
$642United Airlines
Wed, Feb 25 - Mon, Mar 9
KLM Logo
1:06 pm - 2:05 pm
HOU
-
SOF
16h 59m
2 stops
KLM Logo
7:00 am - 10:28 pm
SOF
-
HOU
23h 28m
2 stops
$948KLM
Wed, Feb 25 - Sat, Mar 7
British Airways Logo
4:21 pm - 4:20 pm
HOU
-
SOF
39h 59m
2 stops
British Airways Logo
2:30 pm - 11:58 pm
SOF
-
HOU
40h 28m
2 stops
$1,099British Airways
Sat, Mar 7 - Sun, Mar 15
KLM Logo
1:06 pm - 2:05 pm
HOU
-
SOF
16h 59m
2 stops
KLM Logo
7:00 am - 10:28 pm
SOF
-
HOU
23h 28m
2 stops
$1,104KLM
Thu, Feb 26 - Sat, Mar 7
British Airways Logo
4:21 pm - 11:15 am
HOU
-
SOF
34h 54m
2 stops
British Airways Logo
2:30 pm - 11:58 pm
SOF
-
HOU
40h 28m
2 stops
$1,143British Airways
Thu, Feb 26 - Sun, Mar 8

Turkish Airlines flights from Houston to Sofia

Our best Turkish Airlines deals on Houston to Sofia flight tickets
Turkish Airlines
Feb 19
IAH9:05 pmHouston George Bush Intcntl
15h 45m
1 stop
SOF8:50 pmSofia
Feb 23
SOF4:00 pmSofia
35h 10m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$595
Turkish Airlines
Feb 26
IAH9:05 pmHouston George Bush Intcntl
15h 45m
1 stop
SOF8:50 pmSofia
Mar 8
SOF9:35 amSofia
17h 35m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$600
Turkish Airlines
Feb 9
IAH9:05 pmHouston George Bush Intcntl
34h 05m
1 stop
SOF3:10 pmSofia
Feb 18
SOF9:40 pmSofia
29h 30m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$601

United Airlines flights from Houston to Sofia

Our best United Airlines deals on Houston to Sofia flight tickets
United Airlines
Feb 25
IAH4:50 pmHouston George Bush Intcntl
21h 55m
1 stop
SOF10:45 pmSofia
Mar 9
SOF2:20 pmSofia
35h 55m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$638
United Airlines
Feb 25
IAH4:50 pmHouston George Bush Intcntl
21h 55m
1 stop
SOF10:45 pmSofia
Mar 9
SOF2:20 pmSofia
38h 19m
2 stops
IAH9:39 pmHouston George Bush Intcntl
$642
United Airlines
Feb 25
IAH10:02 amHouston George Bush Intcntl
28h 43m
2 stops
SOF10:45 pmSofia
Mar 9
SOF2:20 pmSofia
38h 19m
2 stops
IAH9:39 pmHouston George Bush Intcntl
$650

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 January 27, 2026.
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

Tue 3/10

5:30 pm-1:45 pm

1 stop13h 15m

Sofia

Thu 4/16

2:10 pm-12:30 am

2 stops18h 20m

$578

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 3/10

5:30 pm-1:45 pm

1 stop13h 15m

Sofia

Thu 4/16

6:30 am-1:35 pm

1 stop15h 05m

$587

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 2/19

9:05 pm-8:50 pm

1 stop15h 45m

Sofia

Mon 2/23

4:00 pm-7:10 pm

1 stop35h 10m

$595

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 2/26

9:05 pm-8:50 pm

1 stop15h 45m

Sofia

Sun 3/8

9:35 am-7:10 pm

1 stop17h 35m

$600

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 2/25

4:50 pm-10:45 pm

1 stop21h 55m

Sofia

Mon 3/9

2:20 pm-7:15 pm

1 stop35h 55m

$638

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 2/25

4:50 pm-10:45 pm

1 stop21h 55m

Sofia

Mon 3/9

2:20 pm-9:39 pm

2 stops38h 19m

$642

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Wed 2/25

1:06 pm-2:05 pm

2 stops16h 59m

Sofia

Sat 3/7

7:00 am-10:28 pm

2 stops23h 28m

$948

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Sat 3/7

4:21 pm-4:20 pm

2 stops39h 59m

Sofia

Sun 3/15

2:30 pm-11:58 pm

2 stops40h 28m

$1,099

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Thu 2/26

1:06 pm-2:05 pm

2 stops16h 59m

Sofia

Sat 3/7

7:00 am-10:28 pm

2 stops23h 28m

$1,104

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Thu 2/26

4:21 pm-11:15 am

2 stops34h 54m

Sofia

Sun 3/8

2:30 pm-11:58 pm

2 stops40h 28m

$1,143

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 month to fly to Sofia?

The cheapest month to fly to Sofia from Houston is in October. Flight prices, which tend to average around $600, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Sofia from Houston during February instead. Flights to Sofia in February, while not as cheap as those in October, still average around $667.

Cheap Houston to Sofia flight deals and tips

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

Fastest flight time

15h 45m

Direct flights

None
The fastest flight from Houston to Sofia takes 15h 45m
There are no direct flights from Houston to Sofia. There are no popular flight routes from Houston to Sofia.
Search flight deals

  • How far is Houston to Sofia by plane?

    The distance between Houston and Sofia is about 6094.3 mi. 15h 45m 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
Turkish AirlinesPriceFrom $598Free CancellationRating
7.3
4,206 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $599Free CancellationRating
6.8
7,749 reviews
Search Lufthansa flights
United AirlinesPriceFrom $755Free CancellationRating
7.4
9,205 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.

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Fly your favorite airline to Sofia

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