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Cheap flights from Houston to Sofia from $606

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 3/15. 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.
Turkish Airlines Logo
10:05 pm - 3:10 pm
IAH
-
SOF
34h 05m
1 stop
Turkish Airlines Logo
3:50 pm - 12:45 pm
SOF
-
IAH
28h 55m
1 stop
$606Turkish Airlines
Sun, Mar 15 - Tue, Mar 31
Turkish Airlines Logo
9:05 pm - 3:00 pm
IAH
-
SOF
33h 55m
1 stop
Turkish Airlines Logo
9:05 pm - 7:10 pm
SOF
-
IAH
30h 05m
1 stop
$646Turkish Airlines
Sat, Aug 15 - Tue, Sep 15
United Airlines Logo
6:05 pm - 1:35 pm
IAH
-
SOF
35h 30m
2 stops
United Airlines Logo
6:10 am - 1:35 pm
SOF
-
IAH
15h 25m
1 stop
$660United Airlines
Sat, Aug 15 - Tue, Sep 15
United Airlines Logo
6:05 pm - 11:00 am
IAH
-
SOF
32h 55m
2 stops
United Airlines Logo
6:10 am - 7:52 pm
SOF
-
IAH
21h 42m
2 stops
$663United Airlines
Sat, Aug 15 - Tue, Sep 15
Turkish Airlines Logo
9:05 pm - 8:15 pm
IAH
-
SOF
15h 10m
1 stop
Turkish Airlines Logo
9:35 am - 7:10 pm
SOF
-
IAH
17h 35m
1 stop
$664Turkish Airlines
Thu, Apr 9 - Mon, Apr 20
Lufthansa Logo
5:50 pm - 10:45 pm
IAH
-
SOF
21h 55m
1 stop
Lufthansa Logo
6:10 am - 7:09 pm
SOF
-
IAH
20h 59m
2 stops
$790Lufthansa
Sun, Mar 15 - Tue, Mar 31
Lufthansa Logo
7:20 am - 1:20 pm
IAH
-
SOF
22h 00m
2 stops
Lufthansa Logo
6:30 am - 1:35 pm
SOF
-
IAH
15h 05m
1 stop
$806Lufthansa
Thu, May 14 - Thu, May 28
British Airways Logo
12:48 pm - 1:25 pm
HOU
-
SOF
40h 37m
2 stops
British Airways Logo
9:25 pm - 7:52 pm
SOF
-
HOU
30h 27m
2 stops
$916British Airways
Wed, Jul 1 - Wed, Jul 15
British Airways Logo
1:08 pm - 7:20 pm
HOU
-
SOF
22h 12m
2 stops
British Airways Logo
2:15 pm - 7:55 pm
SOF
-
HOU
37h 40m
2 stops
$998British Airways
Sun, Jul 19 - Fri, Aug 7
KLM Logo
2:13 pm - 2:05 pm
HOU
-
SOF
16h 52m
2 stops
KLM Logo
7:00 am - 10:42 pm
SOF
-
HOU
23h 42m
2 stops
$1,143KLM
Sun, Mar 15 - Tue, Mar 31

United Airlines flights from Houston to Sofia

Our best United Airlines deals on Houston to Sofia flight tickets
United Airlines
Aug 15
IAH6:05 pmHouston George Bush Intcntl
35h 30m
2 stops
SOF1:35 pmSofia
Sep 15
SOF6:10 amSofia
15h 25m
1 stop
IAH1:35 pmHouston George Bush Intcntl
$660
United Airlines
Aug 15
IAH6:05 pmHouston George Bush Intcntl
32h 55m
2 stops
SOF11:00 amSofia
Sep 15
SOF6:10 amSofia
21h 42m
2 stops
IAH7:52 pmHouston George Bush Intcntl
$663
United Airlines
May 14
IAH10:00 amHouston George Bush Intcntl
19h 20m
2 stops
SOF1:20 pmSofia
May 28
SOF6:30 amSofia
21h 29m
2 stops
IAH7:59 pmHouston George Bush Intcntl
$816

British Airways flights from Houston to Sofia

Our best British Airways deals on Houston to Sofia flight tickets
British Airways
Jul 19
IAH3:30 pmHouston George Bush Intcntl
19h 50m
1 stop
SOF7:20 pmSofia
Aug 7
SOF2:15 pmSofia
31h 10m
1 stop
IAH1:25 pmHouston George Bush Intcntl
$854
British Airways
Jun 23
IAH3:30 pmHouston George Bush Intcntl
21h 00m
1 stop
SOF8:30 pmSofia
Jul 15
SOF9:25 pmSofia
24h 00m
1 stop
IAH1:25 pmHouston George Bush Intcntl
$866
British Airways
Jul 1
HOU12:48 pmHouston Hobby
40h 37m
2 stops
SOF1:25 pmSofia
Jul 15
SOF9:25 pmSofia
30h 27m
2 stops
HOU7:52 pmHouston Hobby
$916

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 March 4, 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

Sun 3/15

10:05 pm-3:10 pm

1 stop34h 05m

Sofia

Tue 3/31

3:50 pm-12:45 pm

1 stop28h 55m

$606

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sat 8/15

9:05 pm-3:00 pm

1 stop33h 55m

Sofia

Tue 9/15

9:05 pm-7:10 pm

1 stop30h 05m

$646

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sat 8/15

6:05 pm-1:35 pm

2 stops35h 30m

Sofia

Tue 9/15

6:10 am-1:35 pm

1 stop15h 25m

$660

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sat 8/15

6:05 pm-11:00 am

2 stops32h 55m

Sofia

Tue 9/15

6:10 am-7:52 pm

2 stops21h 42m

$663

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 4/9

9:05 pm-8:15 pm

1 stop15h 10m

Sofia

Mon 4/20

9:35 am-7:10 pm

1 stop17h 35m

$664

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 3/15

5:50 pm-10:45 pm

1 stop21h 55m

Sofia

Tue 3/31

6:10 am-7:09 pm

2 stops20h 59m

$790

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 5/14

7:20 am-1:20 pm

2 stops22h 00m

Sofia

Thu 5/28

6:30 am-1:35 pm

1 stop15h 05m

$806

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Wed 7/1

12:48 pm-1:25 pm

2 stops40h 37m

Sofia

Wed 7/15

9:25 pm-7:52 pm

2 stops30h 27m

$916

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Sun 7/19

1:08 pm-7:20 pm

2 stops22h 12m

Sofia

Fri 8/7

2:15 pm-7:55 pm

2 stops37h 40m

$998

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Sun 3/15

2:13 pm-2:05 pm

2 stops16h 52m

Sofia

Tue 3/31

7:00 am-10:42 pm

2 stops23h 42m

$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 $596Free CancellationRating
7.3
4,240 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $599Free CancellationRating
6.8
7,823 reviews
Search Lufthansa flights
United AirlinesPriceFrom $681Free CancellationRating
7.4
9,383 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