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Cheap flights from Houston to Sofia from $523

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 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:10 pm - 1:15 pm
IAH
-
SOF
17h 05m
2 stops
Multiple Airlines Logo
2:25 pm - 11:09 am
SOF
-
IAH
28h 44m
2 stops
$523Multiple Airlines
Mon, Jan 26 - Wed, Feb 11
Lufthansa Logo
5:00 pm - 10:45 pm
IAH
-
SOF
21h 45m
2 stops
Lufthansa Logo
6:10 am - 2:10 pm
SOF
-
IAH
16h 00m
1 stop
$533Lufthansa
Wed, Feb 11 - Wed, Feb 25
Multiple Airlines Logo
4:30 pm - 10:45 pm
IAH
-
SOF
22h 15m
1 stop
Multiple Airlines Logo
2:25 pm - 11:09 am
SOF
-
IAH
28h 44m
2 stops
$540Multiple Airlines
Mon, Jan 26 - Wed, Feb 11
Multiple Airlines Logo
4:05 pm - 1:55 pm
IAH
-
SOF
13h 50m
1 stop
Multiple Airlines Logo
7:00 am - 9:13 pm
SOF
-
IAH
22h 13m
2 stops
$542Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
11:09 am - 1:55 pm
HOU
-
SOF
18h 46m
2 stops
Multiple Airlines Logo
7:00 am - 10:33 pm
SOF
-
HOU
23h 33m
2 stops
$542Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Lufthansa Logo
6:55 pm - 6:00 pm
IAH
-
SOF
15h 05m
1 stop
Lufthansa Logo
6:10 am - 6:15 pm
SOF
-
IAH
20h 05m
1 stop
$544Lufthansa
Wed, Feb 11 - Wed, Feb 25
British Airways Logo
9:50 am - 7:20 pm
IAH
-
SOF
25h 30m
2 stops
British Airways Logo
8:10 pm - 1:25 pm
SOF
-
IAH
25h 15m
1 stop
$547British Airways
Sun, May 3 - Mon, Jun 8
British Airways Logo
3:30 pm - 7:20 pm
IAH
-
SOF
19h 50m
1 stop
British Airways Logo
9:25 pm - 11:53 pm
SOF
-
IAH
34h 28m
2 stops
$552British Airways
Sun, May 3 - Wed, Jun 10
United Airlines Logo
4:30 pm - 11:10 pm
IAH
-
SOF
22h 40m
1 stop
United Airlines Logo
6:30 am - 11:11 am
SOF
-
IAH
36h 41m
2 stops
$553United Airlines
Mon, May 4 - Thu, Jun 11
United Airlines Logo
4:30 pm - 11:10 pm
IAH
-
SOF
22h 40m
1 stop
United Airlines Logo
6:10 am - 10:35 pm
SOF
-
IAH
24h 25m
2 stops
$555United Airlines
Mon, May 4 - Tue, Jun 9

Lufthansa flights from Houston to Sofia

Our best Lufthansa deals on Houston to Sofia flight tickets
Lufthansa
Feb 11
IAH5:00 pmHouston George Bush Intcntl
21h 45m
2 stops
SOF10:45 pmSofia
Feb 25
SOF6:10 amSofia
16h 00m
1 stop
IAH2:10 pmHouston George Bush Intcntl
$533
Lufthansa
Feb 11
IAH6:55 pmHouston George Bush Intcntl
15h 05m
1 stop
SOF6:00 pmSofia
Feb 25
SOF6:10 amSofia
20h 05m
1 stop
IAH6:15 pmHouston George Bush Intcntl
$544
Lufthansa
Jan 26
IAH4:30 pmHouston George Bush Intcntl
22h 15m
1 stop
SOF10:45 pmSofia
Feb 11
SOF6:10 amSofia
20h 05m
1 stop
IAH6:15 pmHouston George Bush Intcntl
$549

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
34h 05m
1 stop
SOF3:10 pmSofia
Feb 23
SOF9:35 amSofia
17h 35m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$594
Turkish Airlines
Jan 24
IAH9:05 pmHouston George Bush Intcntl
15h 45m
1 stop
SOF8:50 pmSofia
Jan 31
SOF9:35 amSofia
17h 35m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$599
Turkish Airlines
Feb 19
IAH9:05 pmHouston George Bush Intcntl
27h 40m
1 stop
SOF8:45 amSofia
Feb 23
SOF9:35 amSofia
17h 35m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$601

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 15, 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

Mon 1/26

12:10 pm-1:15 pm

2 stops17h 05m

Sofia

Wed 2/11

2:25 pm-11:09 am

2 stops28h 44m

$523

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 2/11

5:00 pm-10:45 pm

2 stops21h 45m

Sofia

Wed 2/25

6:10 am-2:10 pm

1 stop16h 00m

$533

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 1/26

4:30 pm-10:45 pm

1 stop22h 15m

Sofia

Wed 2/11

2:25 pm-11:09 am

2 stops28h 44m

$540

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 2/3

4:05 pm-1:55 pm

1 stop13h 50m

Sofia

Tue 2/10

7:00 am-9:13 pm

2 stops22h 13m

$542

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Tue 2/3

11:09 am-1:55 pm

2 stops18h 46m

Sofia

Tue 2/10

7:00 am-10:33 pm

2 stops23h 33m

$542

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 2/11

6:55 pm-6:00 pm

1 stop15h 05m

Sofia

Wed 2/25

6:10 am-6:15 pm

1 stop20h 05m

$544

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 5/3

9:50 am-7:20 pm

2 stops25h 30m

Sofia

Mon 6/8

8:10 pm-1:25 pm

1 stop25h 15m

$547

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 5/3

3:30 pm-7:20 pm

1 stop19h 50m

Sofia

Wed 6/10

9:25 pm-11:53 pm

2 stops34h 28m

$552

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 5/4

4:30 pm-11:10 pm

1 stop22h 40m

Sofia

Thu 6/11

6:30 am-11:11 am

2 stops36h 41m

$553

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 5/4

4:30 pm-11:10 pm

1 stop22h 40m

Sofia

Tue 6/9

6:10 am-10:35 pm

2 stops24h 25m

$555

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 January instead. Flights to Sofia in January, while not as cheap as those in October, still average around $680.

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
British AirwaysPriceFrom $575Free CancellationRating
6.7
7,680 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $598Free CancellationRating
7.3
4,176 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $599Free CancellationRating
6.8
7,718 reviews
Search Lufthansa flights
United AirlinesPriceFrom $755Free CancellationRating
7.4
9,164 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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Turkish Airlines
Lufthansa
United Airlines
British Airways