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Cheap flights from Houston to Sofia from $634

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Sofia departing on 6/28. 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
1 adult, Economy, 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.
British Airways Logo
3:30 pm - 7:20 pm
IAH
-
SOF
19h 50m
1 stop
British Airways Logo
8:10 pm - 7:15 pm
SOF
-
IAH
31h 05m
1 stop
$830British Airways
Sun, Aug 16 - Mon, Aug 24
United Airlines Logo
4:40 pm - 11:15 pm
IAH
-
SOF
22h 35m
1 stop
United Airlines Logo
6:10 am - 4:30 pm
SOF
-
IAH
18h 20m
1 stop
$839United Airlines
Mon, Aug 10 - Wed, Aug 19
United Airlines Logo
7:20 am - 12:10 pm
IAH
-
SOF
20h 50m
2 stops
United Airlines Logo
6:10 am - 4:30 pm
SOF
-
IAH
18h 20m
1 stop
$843United Airlines
Mon, Aug 10 - Wed, Aug 19
Lufthansa Logo
4:40 pm - 11:15 pm
IAH
-
SOF
22h 35m
1 stop
Lufthansa Logo
7:00 pm - 1:35 pm
SOF
-
IAH
26h 35m
1 stop
$845Lufthansa
Tue, Sep 1 - Mon, Sep 21
United Airlines Logo
4:40 pm - 11:15 pm
IAH
-
SOF
22h 35m
1 stop
United Airlines Logo
6:10 am - 10:56 pm
SOF
-
IAH
24h 46m
2 stops
$849United Airlines
Mon, Aug 10 - Wed, Aug 19
British Airways Logo
9:05 pm - 7:20 pm
IAH
-
SOF
14h 15m
1 stop
British Airways Logo
8:10 pm - 10:20 pm
SOF
-
IAH
34h 10m
2 stops
$850British Airways
Sun, Aug 16 - Mon, Aug 24
United Airlines Logo
7:24 am - 11:15 pm
IAH
-
SOF
31h 51m
2 stops
United Airlines Logo
6:10 am - 10:56 pm
SOF
-
IAH
24h 46m
2 stops
$854United Airlines
Mon, Aug 10 - Wed, Aug 19
British Airways Logo
4:40 pm - 7:20 pm
IAH
-
SOF
18h 40m
2 stops
British Airways Logo
8:10 pm - 10:20 pm
SOF
-
IAH
34h 10m
2 stops
$855British Airways
Sun, Aug 16 - Mon, Aug 24
Lufthansa Logo
5:09 pm - 11:15 pm
IAH
-
SOF
22h 06m
2 stops
Lufthansa Logo
6:40 pm - 1:35 pm
SOF
-
IAH
26h 55m
1 stop
$856Lufthansa
Sun, Aug 2 - Tue, Aug 18
Turkish Airlines Logo
9:10 pm - 8:45 am
IAH
-
SOF
27h 35m
1 stop
Turkish Airlines Logo
9:10 pm - 7:15 pm
SOF
-
IAH
30h 05m
1 stop
$858Turkish Airlines
Tue, Sep 1 - Mon, Sep 21

British Airways flights from Houston to Sofia

Our best British Airways deals on Houston to Sofia flight tickets
British Airways
Aug 16
IAH3:30 pmHouston George Bush Intcntl
19h 50m
1 stop
SOF7:20 pmSofia
Aug 24
SOF8:10 pmSofia
31h 05m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$830
British Airways
Aug 16
IAH9:05 pmHouston George Bush Intcntl
14h 15m
1 stop
SOF7:20 pmSofia
Aug 24
SOF8:10 pmSofia
34h 10m
2 stops
IAH10:20 pmHouston George Bush Intcntl
$850
British Airways
Aug 16
IAH4:40 pmHouston George Bush Intcntl
18h 40m
2 stops
SOF7:20 pmSofia
Aug 24
SOF8:10 pmSofia
34h 10m
2 stops
IAH10:20 pmHouston George Bush Intcntl
$855

Lufthansa flights from Houston to Sofia

Our best Lufthansa deals on Houston to Sofia flight tickets
Lufthansa
Sep 1
IAH4:40 pmHouston George Bush Intcntl
22h 35m
1 stop
SOF11:15 pmSofia
Sep 21
SOF7:00 pmSofia
26h 35m
1 stop
IAH1:35 pmHouston George Bush Intcntl
$845
Lufthansa
Aug 2
IAH5:09 pmHouston George Bush Intcntl
22h 06m
2 stops
SOF11:15 pmSofia
Aug 18
SOF6:40 pmSofia
26h 55m
1 stop
IAH1:35 pmHouston George Bush Intcntl
$856
Lufthansa
Aug 10
IAH5:09 pmHouston George Bush Intcntl
17h 31m
2 stops
SOF6:40 pmSofia
Aug 19
SOF7:00 pmSofia
26h 35m
1 stop
IAH1:35 pmHouston George Bush Intcntl
$860

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 June 8, 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

Cheapest round-trip

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 8/16

3:30 pm-7:20 pm

1 stop19h 50m

Sofia

Mon 8/24

8:10 pm-7:15 pm

1 stop31h 05m

$830

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 8/10

4:40 pm-11:15 pm

1 stop22h 35m

Sofia

Wed 8/19

6:10 am-4:30 pm

1 stop18h 20m

$839
Quickest round-trip

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 8/10

7:20 am-12:10 pm

2 stops20h 50m

Sofia

Wed 8/19

6:10 am-4:30 pm

1 stop18h 20m

$843

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 9/1

4:40 pm-11:15 pm

1 stop22h 35m

Sofia

Mon 9/21

7:00 pm-1:35 pm

1 stop26h 35m

$845

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 8/10

4:40 pm-11:15 pm

1 stop22h 35m

Sofia

Wed 8/19

6:10 am-10:56 pm

2 stops24h 46m

$849

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 8/16

9:05 pm-7:20 pm

1 stop14h 15m

Sofia

Mon 8/24

8:10 pm-10:20 pm

2 stops34h 10m

$850

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 8/10

7:24 am-11:15 pm

2 stops31h 51m

Sofia

Wed 8/19

6:10 am-10:56 pm

2 stops24h 46m

$854

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 8/16

4:40 pm-7:20 pm

2 stops18h 40m

Sofia

Mon 8/24

8:10 pm-10:20 pm

2 stops34h 10m

$855

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 8/2

5:09 pm-11:15 pm

2 stops22h 06m

Sofia

Tue 8/18

6:40 pm-1:35 pm

1 stop26h 55m

$856

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 9/1

9:10 pm-8:45 am

1 stop27h 35m

Sofia

Mon 9/21

9:10 pm-7:15 pm

1 stop30h 05m

$858

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Houston and Sofia?

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 $572, 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 $593.

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

19h 50m

Direct flights

None
The fastest flight from Houston to Sofia takes 19h 50m
There are no direct flights from Houston to Sofia. There are no popular flight routes from Houston to Sofia.
Search flight deals

Frequently asked questions about flying from Houston to Sofia

  • How far is Houston to Sofia by plane?

    The distance between Houston and Sofia is about 6094.3 mi. 19h 50m 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 $596Free CancellationRating
7.4
4,409 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $606Free CancellationRating
6.8
8,044 reviews
Search Lufthansa flights
United AirlinesPriceFrom $681Free CancellationRating
7.4
9,781 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