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Cheap flights from Houston to Sofia from $657

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 1/29. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
9:05 pm - 8:45 am
IAH
-
SOF
27h 40m1 stop
Turkish Airlines Logo
9:40 pm - 7:10 pm
SOF
-
IAH
29h 30m1 stop
$657Turkish Airlines
Thu, Jan 29 - Mon, Feb 2
Multiple Airlines Logo
6:55 pm - 10:45 pm
IAH
-
SOF
19h 50m1 stop
Multiple Airlines Logo
6:45 pm - 2:45 pm
SOF
-
IAH
28h 00m2 stops
$725Multiple Airlines
Sun, Dec 28 - Fri, Jan 9
Lufthansa Logo
6:55 pm - 10:45 pm
IAH
-
SOF
19h 50m1 stop
Lufthansa Logo
6:05 am - 2:45 pm
SOF
-
IAH
40h 40m2 stops
$733Lufthansa
Sun, Dec 28 - Thu, Jan 8
United Airlines Logo
2:30 pm - 10:45 pm
IAH
-
SOF
24h 15m2 stops
United Airlines Logo
2:20 pm - 6:15 pm
SOF
-
IAH
35h 55m1 stop
$752United Airlines
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
11:55 am - 10:45 pm
IAH
-
SOF
26h 50m2 stops
United Airlines Logo
2:20 pm - 6:15 pm
SOF
-
IAH
35h 55m1 stop
$753United Airlines
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
2:30 pm - 10:45 pm
IAH
-
SOF
24h 15m2 stops
United Airlines Logo
2:20 pm - 9:39 pm
SOF
-
IAH
39h 19m2 stops
$756United Airlines
Thu, Jan 29 - Mon, Feb 2
Air Canada Logo
12:10 pm - 1:50 pm
IAH
-
SOF
17h 40m2 stops
Air Canada Logo
2:20 pm - 9:39 pm
SOF
-
IAH
39h 19m2 stops
$766Air Canada
Thu, Jan 29 - Mon, Feb 2
Multiple Airlines Logo
6:55 pm - 10:45 pm
IAH
-
SOF
19h 50m1 stop
Multiple Airlines Logo
6:45 pm - 2:45 pm
SOF
-
IAH
28h 00m2 stops
$768Multiple Airlines
Mon, Dec 29 - Fri, Jan 9
British Airways Logo
9:50 pm - 11:15 am
IAH
-
SOF
29h 25m1 stop
British Airways Logo
5:25 pm - 2:05 pm
SOF
-
IAH
28h 40m1 stop
$770British Airways
Thu, Jan 29 - Mon, Feb 2
British Airways Logo
6:31 pm - 8:20 pm
HOU
-
SOF
41h 49m2 stops
British Airways Logo
2:20 pm - 11:42 pm
SOF
-
HOU
41h 22m2 stops
$1,147British Airways
Fri, May 15 - Fri, Jun 5

Lufthansa flights from Houston to Sofia

Our best Lufthansa deals on Houston to Sofia flight tickets
Lufthansa
Dec 28
IAH6:55 pmHouston George Bush Intcntl
19h 50m
1 stop
SOF10:45 pmSofia
Jan 8
SOF6:05 amSofia
40h 40m
2 stops
IAH2:45 pmHouston George Bush Intcntl
$733
Find similar
Lufthansa
Dec 29
IAH6:55 pmHouston George Bush Intcntl
19h 50m
1 stop
SOF10:45 pmSofia
Jan 9
SOF6:10 amSofia
16h 25m
1 stop
IAH2:35 pmHouston George Bush Intcntl
$877
Find similar
Lufthansa
Dec 30
IAH6:55 pmHouston George Bush Intcntl
34h 55m
1 stop
SOF1:50 pmSofia
Jan 8
SOF7:05 pmSofia
51h 40m
2 stops
IAH2:45 pmHouston George Bush Intcntl
$888
Find similar

United Airlines flights from Houston to Sofia

Our best United Airlines deals on Houston to Sofia flight tickets
United Airlines
Jan 29
IAH2:30 pmHouston George Bush Intcntl
24h 15m
2 stops
SOF10:45 pmSofia
Feb 2
SOF2:20 pmSofia
35h 55m
1 stop
IAH6:15 pmHouston George Bush Intcntl
$752
Find similar
United Airlines
Jan 29
IAH11:55 amHouston George Bush Intcntl
26h 50m
2 stops
SOF10:45 pmSofia
Feb 2
SOF2:20 pmSofia
35h 55m
1 stop
IAH6:15 pmHouston George Bush Intcntl
$753
Find similar
United Airlines
Jan 29
IAH2:30 pmHouston George Bush Intcntl
24h 15m
2 stops
SOF10:45 pmSofia
Feb 2
SOF2:20 pmSofia
39h 19m
2 stops
IAH9:39 pmHouston George Bush Intcntl
$756
Find similar

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 December 5, 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

Thu 1/29

9:05 pm-8:45 am

1 stop27h 40m

Sofia

Mon 2/2

9:40 pm-7:10 pm

1 stop29h 30m

$657

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 12/28

6:55 pm-10:45 pm

1 stop19h 50m

Sofia

Fri 1/9

6:45 pm-2:45 pm

2 stops28h 00m

$725

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 12/28

6:55 pm-10:45 pm

1 stop19h 50m

Sofia

Thu 1/8

6:05 am-2:45 pm

2 stops40h 40m

$733

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 1/29

2:30 pm-10:45 pm

2 stops24h 15m

Sofia

Mon 2/2

2:20 pm-6:15 pm

1 stop35h 55m

$752

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 1/29

11:55 am-10:45 pm

2 stops26h 50m

Sofia

Mon 2/2

2:20 pm-6:15 pm

1 stop35h 55m

$753

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 1/29

2:30 pm-10:45 pm

2 stops24h 15m

Sofia

Mon 2/2

2:20 pm-9:39 pm

2 stops39h 19m

$756

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 1/29

12:10 pm-1:50 pm

2 stops17h 40m

Sofia

Mon 2/2

2:20 pm-9:39 pm

2 stops39h 19m

$766

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 12/29

6:55 pm-10:45 pm

1 stop19h 50m

Sofia

Fri 1/9

6:45 pm-2:45 pm

2 stops28h 00m

$768

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 1/29

9:50 pm-11:15 am

1 stop29h 25m

Sofia

Mon 2/2

5:25 pm-2:05 pm

1 stop28h 40m

$770

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Fri 5/15

6:31 pm-8:20 pm

2 stops41h 49m

Sofia

Fri 6/5

2:20 pm-11:42 pm

2 stops41h 22m

$1,147

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

Fastest flight time

13h 40m

Direct flights

None
The fastest flight from Houston to Sofia takes 13h 40m
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. 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
7,562 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $598Free CancellationRating
7.3
4,077 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $599Free CancellationRating
6.8
7,612 reviews
Search Lufthansa flights
United AirlinesPriceFrom $755Free CancellationRating
7.4
9,065 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