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Cheap flights from Houston to Bulgaria from $219

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 1/22. 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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Find the cheapest flights from Houston to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:50 pm - 10:45 pmIAH-SOF
21h 55m1 stop
United Airlines Logo
6:00 am - 6:15 pmSOF-IAH
20h 15m1 stop
$577United Airlines
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Sun, Dec 28 - Tue, Jan 13
United Airlines Logo
4:50 pm - 10:45 pmIAH-SOF
21h 55m1 stop
United Airlines Logo
6:00 am - 9:14 amSOF-IAH
35h 14m2 stops
$584United Airlines
Find Deal
Sun, Dec 28 - Tue, Jan 13
Turkish Airlines Logo
9:05 pm - 8:45 amIAH-SOF
27h 40m1 stop
Turkish Airlines Logo
9:35 am - 1:10 pmSOF-IAH
35h 35m1 stop
$596Turkish Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
United Airlines Logo
4:30 pm - 11:10 pmIAH-SOF
22h 40m1 stop
United Airlines Logo
6:10 am - 1:35 pmSOF-IAH
15h 25m1 stop
$629United Airlines
Find Deal
Wed, Apr 1 - Sun, Apr 5
British Airways Logo
3:30 pm - 1:30 pmIAH-SOF
14h 00m1 stop
British Airways Logo
8:00 pm - 1:40 pmSOF-IAH
25h 40m1 stop
$633British Airways
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Thu, Apr 2 - Mon, Apr 6
Multiple Airlines Logo
4:05 pm - 1:55 pmIAH-SOF
13h 50m1 stop
Multiple Airlines Logo
7:00 am - 9:15 pmSOF-IAH
22h 15m2 stops
$639Multiple Airlines
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Thu, Jan 8 - Wed, Jan 14
Multiple Airlines Logo
6:55 pm - 10:45 pmIAH-SOF
19h 50m2 stops
Multiple Airlines Logo
6:00 am - 11:09 amSOF-IAH
37h 09m2 stops
$657Multiple Airlines
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Sun, Dec 28 - Tue, Jan 13
Lufthansa Logo
3:35 pm - 6:40 pmIAH-SOF
19h 05m2 stops
Lufthansa Logo
6:40 pm - 1:35 pmSOF-IAH
26h 55m1 stop
$686Lufthansa
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Thu, Apr 2 - Mon, Apr 6
Lufthansa Logo
3:35 pm - 6:40 pmIAH-SOF
19h 05m2 stops
Lufthansa Logo
2:00 pm - 12:20 amSOF-IAH
18h 20m2 stops
$726Lufthansa
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Thu, Apr 2 - Mon, Apr 6
British Airways Logo
3:50 pm - 8:10 pmIAH-SOF
20h 20m1 stop
British Airways Logo
9:00 pm - 8:00 pmSOF-IAH
31h 00m1 stop
$734British Airways
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Tue, Dec 16 - Wed, Dec 24

Austrian Airlines flights from Houston to Bulgaria

Our best Austrian Airlines deals on Houston to Bulgaria flight tickets
Austrian Airlines
Dec 24
IAH4:20 pmHouston George Bush Intcntl
35h 30m
2 stops
SOF11:50 amSofia
Jan 7
SOF6:45 pmSofia
52h 00m
2 stops
IAH2:45 pmHouston George Bush Intcntl
$975
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Austrian Airlines
Dec 25
IAH3:55 pmHouston George Bush Intcntl
18h 05m
2 stops
SOF6:00 pmSofia
Jan 7
SOF6:45 pmSofia
52h 00m
2 stops
IAH2:45 pmHouston George Bush Intcntl
$988
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Lufthansa flights from Houston to Bulgaria

Our best Lufthansa deals on Houston to Bulgaria flight tickets
Lufthansa
Apr 2
IAH3:35 pmHouston George Bush Intcntl
19h 05m
2 stops
SOF6:40 pmSofia
Apr 6
SOF6:40 pmSofia
26h 55m
1 stop
IAH1:35 pmHouston George Bush Intcntl
$686
Find similar
Lufthansa
Apr 2
IAH3:35 pmHouston George Bush Intcntl
19h 05m
2 stops
SOF6:40 pmSofia
Apr 6
SOF2:00 pmSofia
18h 20m
2 stops
IAH12:20 amHouston George Bush Intcntl
$726
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Lufthansa
Apr 1
IAH3:35 pmHouston George Bush Intcntl
19h 05m
2 stops
SOF6:40 pmSofia
Apr 5
SOF6:10 amSofia
19h 05m
2 stops
IAH5:15 pmHouston George Bush Intcntl
$764
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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 November 3, 2025.
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

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 12/28

4:50 pm-10:45 pm

1 stop21h 55m

Sofia

Tue 1/13

6:00 am-6:15 pm

1 stop20h 15m

$577

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 12/28

4:50 pm-10:45 pm

1 stop21h 55m

Sofia

Tue 1/13

6:00 am-9:14 am

2 stops35h 14m

$584

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sat 11/29

9:05 pm-8:45 am

1 stop27h 40m

Sofia

Sat 12/6

9:35 am-1:10 pm

1 stop35h 35m

$596

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 4/1

4:30 pm-11:10 pm

1 stop22h 40m

Sofia

Sun 4/5

6:10 am-1:35 pm

1 stop15h 25m

$629

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 4/2

3:30 pm-1:30 pm

1 stop14h 00m

Sofia

Mon 4/6

8:00 pm-1:40 pm

1 stop25h 40m

$633

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 1/8

4:05 pm-1:55 pm

1 stop13h 50m

Sofia

Wed 1/14

7:00 am-9:15 pm

2 stops22h 15m

$639

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 12/28

6:55 pm-10:45 pm

2 stops19h 50m

Sofia

Tue 1/13

6:00 am-11:09 am

2 stops37h 09m

$657

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 4/2

3:35 pm-6:40 pm

2 stops19h 05m

Sofia

Mon 4/6

6:40 pm-1:35 pm

1 stop26h 55m

$686

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 4/2

3:35 pm-6:40 pm

2 stops19h 05m

Sofia

Mon 4/6

2:00 pm-12:20 am

2 stops18h 20m

$726

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 12/16

3:50 pm-8:10 pm

1 stop20h 20m

Sofia

Wed 12/24

9:00 pm-8:00 pm

1 stop31h 00m

$734

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 day to depart on your flight to Bulgaria?

The cheapest day to depart from Houston to Bulgaria is on a Sunday when prices can be found for as low as $813. On the other hand, Friday is the most expensive day to depart from Houston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,241.

What is the cheapest time of day to depart on your flight to Bulgaria?

At noon is the cheapest time of day to fly from Houston to Bulgaria when you can find flight prices for as low as $776. Flying to Bulgaria at noon is an ideal time because this is during off-peak travel hours. Flights to Bulgaria are more costly in the morning, with an average ticket price of $1,281. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Houston to Bulgaria flight deals and tips

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

Direct flights

None
There are no direct flights from Houston to Bulgaria. There are no popular flight routes from Houston to Bulgaria.
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  • 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
British AirwaysPriceFrom $575Free CancellationRating
6.7
7,494 reviews
Search British Airways flights
LufthansaPriceFrom $599Free CancellationRating
6.8
7,544 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $617Free CancellationRating
7.3
4,039 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $776Free CancellationRating
7.4
8,997 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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