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Cheap flights from Houston to Bulgaria from $589

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 Bulgaria departing on 5/18. 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 Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
9:10 pm - 3:00 pm
IAH
-
SOF
33h 50m
1 stop
Turkish Airlines Logo
9:05 pm - 12:45 pm
SOF
-
IAH
23h 40m
1 stop
$753Turkish Airlines
Thu, Aug 27 - Thu, Sep 10
Turkish Airlines Logo
9:10 pm - 8:15 pm
IAH
-
SOF
15h 05m
1 stop
Turkish Airlines Logo
4:00 pm - 8:10 pm
SOF
-
IAH
35h 10m
1 stop
$754Turkish Airlines
Mon, Oct 19 - Tue, Oct 27
United Airlines Logo
4:40 pm - 11:15 pm
IAH
-
SOF
22h 35m
1 stop
United Airlines Logo
12:55 pm - 4:30 pm
SOF
-
IAH
35h 35m
1 stop
$798United Airlines
Sun, Aug 16 - Mon, Aug 24
United Airlines Logo
10:57 am - 12:10 pm
IAH
-
SOF
17h 13m
2 stops
United Airlines Logo
12:55 pm - 4:30 pm
SOF
-
IAH
35h 35m
1 stop
$803United Airlines
Sun, Aug 16 - Mon, Aug 24
British Airways Logo
9:05 pm - 7:20 pm
IAH
-
SOF
14h 15m
1 stop
British Airways Logo
8:10 pm - 7:15 pm
SOF
-
IAH
31h 05m
1 stop
$815British Airways
Sun, Aug 16 - Mon, Aug 24
Multiple Airlines Logo
12:00 pm - 12:10 pm
IAH
-
SOF
16h 10m
2 stops
Multiple Airlines Logo
6:10 am - 3:10 pm
SOF
-
IAH
16h 00m
1 stop
$820Multiple Airlines
Mon, Oct 19 - Tue, Oct 27
Multiple Airlines Logo
11:45 am - 6:40 pm
IAH
-
SOF
22h 55m
2 stops
Multiple Airlines Logo
7:00 pm - 5:19 pm
SOF
-
IAH
30h 19m
2 stops
$825Multiple Airlines
Sun, Aug 16 - Mon, Aug 24
KLM Logo
1:00 pm - 2:00 pm
HOU
-
SOF
17h 00m
2 stops
KLM Logo
7:00 am - 9:43 pm
SOF
-
HOU
22h 43m
2 stops
$847KLM
Mon, Oct 12 - Wed, Oct 21
British Airways Logo
4:14 pm - 7:20 pm
HOU
-
SOF
19h 06m
2 stops
British Airways Logo
9:05 pm - 7:51 pm
SOF
-
HOU
30h 46m
2 stops
$1,179British Airways
Sun, Jul 19 - Sun, Aug 16
KLM Logo
1:00 pm - 2:00 pm
HOU
-
SOF
17h 00m
2 stops
KLM Logo
7:00 am - 9:43 pm
SOF
-
HOU
21h 43m
2 stops
$1,401KLM
Mon, Oct 19 - Tue, Oct 27

Turkish Airlines flights from Houston to Bulgaria

Our best Turkish Airlines deals on Houston to Bulgaria flight tickets
Turkish Airlines
Aug 27
IAH9:10 pmHouston George Bush Intcntl
33h 50m
1 stop
SOF3:00 pmSofia
Sep 10
SOF9:05 pmSofia
23h 40m
1 stop
IAH12:45 pmHouston George Bush Intcntl
$753
Turkish Airlines
Oct 19
IAH9:10 pmHouston George Bush Intcntl
15h 05m
1 stop
SOF8:15 pmSofia
Oct 27
SOF4:00 pmSofia
35h 10m
1 stop
IAH8:10 pmHouston George Bush Intcntl
$754
Turkish Airlines
Oct 12
IAH2:30 pmHouston George Bush Intcntl
21h 45m
1 stop
SOF8:15 pmSofia
Oct 21
SOF3:50 pmSofia
35h 25m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$759

United Airlines flights from Houston to Bulgaria

Our best United Airlines deals on Houston to Bulgaria flight tickets
United Airlines
Aug 16
IAH4:40 pmHouston George Bush Intcntl
22h 35m
1 stop
SOF11:15 pmSofia
Aug 24
SOF12:55 pmSofia
35h 35m
1 stop
IAH4:30 pmHouston George Bush Intcntl
$798
United Airlines
Aug 16
IAH10:57 amHouston George Bush Intcntl
17h 13m
2 stops
SOF12:10 pmSofia
Aug 24
SOF12:55 pmSofia
35h 35m
1 stop
IAH4:30 pmHouston George Bush Intcntl
$803
United Airlines
Oct 12
IAH4:40 pmHouston George Bush Intcntl
22h 35m
1 stop
SOF11:15 pmSofia
Oct 21
SOF6:20 amSofia
21h 32m
2 stops
IAH7:52 pmHouston George Bush Intcntl
$835

momondo Fare Finder

 
Customize your flight search to find flights from Houston to Bulgaria 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 May 11, 2026.
Use the filters below to find and compare flights from Houston to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 8/27

9:10 pm-3:00 pm

1 stop33h 50m

Sofia

Thu 9/10

9:05 pm-12:45 pm

1 stop23h 40m

$753

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 10/19

9:10 pm-8:15 pm

1 stop15h 05m

Sofia

Tue 10/27

4:00 pm-8:10 pm

1 stop35h 10m

$754

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 8/16

4:40 pm-11:15 pm

1 stop22h 35m

Sofia

Mon 8/24

12:55 pm-4:30 pm

1 stop35h 35m

$798

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 8/16

10:57 am-12:10 pm

2 stops17h 13m

Sofia

Mon 8/24

12:55 pm-4:30 pm

1 stop35h 35m

$803

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-7:15 pm

1 stop31h 05m

$815
Quickest round-trip

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 10/19

12:00 pm-12:10 pm

2 stops16h 10m

Sofia

Tue 10/27

6:10 am-3:10 pm

1 stop16h 00m

$820

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 8/16

11:45 am-6:40 pm

2 stops22h 55m

Sofia

Mon 8/24

7:00 pm-5:19 pm

2 stops30h 19m

$825

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Mon 10/12

1:00 pm-2:00 pm

2 stops17h 00m

Sofia

Wed 10/21

7:00 am-9:43 pm

2 stops22h 43m

$847

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Sun 7/19

4:14 pm-7:20 pm

2 stops19h 06m

Sofia

Sun 8/16

9:05 pm-7:51 pm

2 stops30h 46m

$1,179

HoustonSofia

HOU - SOF

HOUSOF

Houston Hobby

Mon 10/19

1:00 pm-2:00 pm

2 stops17h 00m

Sofia

Tue 10/27

7:00 am-9:43 pm

2 stops21h 43m

$1,401

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Bulgaria from

How to get the cheapest flight ticket from Houston to Bulgaria

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 Bulgaria?

If you aren’t able to travel to Bulgaria during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $575.

Cheap Houston to Bulgaria flight deals and tips

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

Fastest flight time

15h 05m

Direct flights

None
The fastest flight from Houston to Bulgaria takes 15h 05m
There are no direct flights from Houston to Bulgaria. There are no popular flight routes from Houston to Bulgaria.
Search flight deals

Frequently asked questions about flying from Houston to Bulgaria

  • When did momondo last update prices for flights from Houston to Bulgaria?

    Prices for flights from Houston to Bulgaria are updated daily.

  • How many operators does momondo search for flights from Houston to Bulgaria?

  • How old do you have to be to fly from Houston to Bulgaria?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The required travel and health documents for your Bulgaria trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bulgaria. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Bulgaria

Compare and see reviews for airlines that fly from Houston to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $596Free CancellationRating
7.4
4,358 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $606Free CancellationRating
6.8
7,992 reviews
Search Lufthansa flights
United AirlinesPriceFrom $681Free CancellationRating
7.4
9,700 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Bulgaria?

It is quick and easy to find Houston to Bulgaria flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bulgaria that suits you.

Can I find flights from Houston to Bulgaria with flexible booking policies on momondo?

All flight searches from Houston to Bulgaria on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Houston to Bulgaria?

momondo provides multiple filters to help you find the best flight to Bulgaria from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Houston to Bulgaria right now. Can momondo alert me if prices change?

Price alerts on flights to Bulgaria from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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