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Cheap flights from Houston to Bulgaria from $460

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 8/15. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:35 pm - 10:55 pmIAH  Houston George Bush Intcntl-SOF Sofia
22h 20m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:25 am - 6:15 pmSOF  Sofia-IAH Houston George Bush Intcntl
19h 50m1 stop Frankfurt am Main
$784United Airlines
Sun, Nov 15 - Thu, Nov 19
United Airlines Logo
4:35 pm - 10:55 pmIAH  Houston George Bush Intcntl-SOF Sofia
22h 20m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:25 am - 6:15 pmSOF  Sofia-IAH Houston George Bush Intcntl
19h 50m1 stop Frankfurt am Main
$785United Airlines
Sun, Nov 15 - Thu, Nov 19
United Airlines Logo
4:35 pm - 10:55 pmIAH  Houston George Bush Intcntl-SOF Sofia
22h 20m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:25 am - 9:39 pmSOF  Sofia-IAH Houston George Bush Intcntl
23h 14m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$788United Airlines
Sun, Nov 15 - Thu, Nov 19
Turkish Airlines Logo
9:15 pm - 8:45 amIAH  Houston George Bush Intcntl-SOF Sofia
27h 30m1 stop Istanbul
Turkish Airlines Logo
9:35 am - 7:20 pmSOF  Sofia-IAH Houston George Bush Intcntl
17h 45m1 stop Istanbul
$800Turkish Airlines
Mon, Sep 7 - Wed, Sep 30
Turkish Airlines Logo
10:00 pm - 8:50 amIAH  Houston George Bush Intcntl-SOF Sofia
27h 50m1 stop Istanbul
Turkish Airlines Logo
9:40 am - 7:05 pmSOF  Sofia-IAH Houston George Bush Intcntl
17h 25m1 stop Istanbul
$800Turkish Airlines
Thu, Oct 29 - Thu, Nov 12
Turkish Airlines Logo
9:15 pm - 8:45 amIAH  Houston George Bush Intcntl-SOF Sofia
27h 30m1 stop Istanbul
Turkish Airlines Logo
9:35 am - 7:20 pmSOF  Sofia-IAH Houston George Bush Intcntl
17h 45m1 stop Istanbul
$840Turkish Airlines
Mon, Sep 7 - Mon, Sep 28
Multiple Airlines Logo
5:10 pm - 6:10 pmIAH  Houston George Bush Intcntl-SOF Sofia
18h 00m1 stop Frankfurt am Main
Multiple Airlines Logo
6:25 am - 9:39 pmSOF  Sofia-IAH Houston George Bush Intcntl
23h 14m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$874Multiple Airlines
Thu, Oct 29 - Thu, Nov 12
Multiple Airlines Logo
11:50 am - 6:10 pmIAH  Houston George Bush Intcntl-SOF Sofia
23h 20m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main
Multiple Airlines Logo
4:00 pm - 9:39 pmSOF  Sofia-IAH Houston George Bush Intcntl
37h 39m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
$880Multiple Airlines
Thu, Oct 29 - Thu, Nov 12
Lufthansa Logo
3:35 pm - 6:40 pmIAH  Houston George Bush Intcntl-SOF Sofia
19h 05m2 stops Frankfurt am Main Munich Franz Josef Strauss
Lufthansa Logo
6:10 am - 1:35 pmSOF  Sofia-IAH Houston George Bush Intcntl
15h 25m1 stop Frankfurt am Main
$956Lufthansa
Fri, Sep 11 - Tue, Sep 22
Lufthansa Logo
3:35 pm - 6:40 pmIAH  Houston George Bush Intcntl-SOF Sofia
19h 05m2 stops Frankfurt am Main Munich Franz Josef Strauss
Lufthansa Logo
2:10 pm - 12:27 amSOF  Sofia-IAH Houston George Bush Intcntl
18h 17m2 stops Frankfurt am Main Chicago O'Hare Intl
$959Lufthansa
Fri, Sep 11 - Tue, Sep 22

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Turkish Airlines flights from Houston to Bulgaria

Our best Turkish Airlines deals on Houston to Bulgaria flight tickets
Turkish Airlines
Aug 16
IAH9:15 pmHouston George Bush Intcntl
33h 45m
1 stop
SOF3:00 pmSofia
Sep 1
SOF9:10 pmSofia
30h 10m
1 stop
IAH7:20 pmHouston George Bush Intcntl
$787
Turkish Airlines
Sep 7
IAH9:15 pmHouston George Bush Intcntl
27h 30m
1 stop
SOF8:45 amSofia
Sep 30
SOF9:35 amSofia
17h 45m
1 stop
IAH7:20 pmHouston George Bush Intcntl
$800
Turkish Airlines
Sep 7
IAH9:15 pmHouston George Bush Intcntl
27h 30m
1 stop
SOF8:45 amSofia
Sep 28
SOF9:35 amSofia
17h 45m
1 stop
IAH7:20 pmHouston George Bush Intcntl
$840

Lufthansa flights from Houston to Bulgaria

Our best Lufthansa deals on Houston to Bulgaria flight tickets
Lufthansa
Sep 11
IAH3:35 pmHouston George Bush Intcntl
19h 05m
2 stops
SOF6:40 pmSofia
Sep 22
SOF6:10 amSofia
15h 25m
1 stop
IAH1:35 pmHouston George Bush Intcntl
$956
Lufthansa
Sep 11
IAH3:35 pmHouston George Bush Intcntl
19h 05m
2 stops
SOF6:40 pmSofia
Sep 22
SOF2:10 pmSofia
18h 17m
2 stops
IAH12:27 amHouston George Bush Intcntl
$959
Lufthansa
Aug 23
IAH3:35 pmHouston George Bush Intcntl
23h 25m
1 stop
SOF11:00 pmSofia
Sep 6
SOF6:20 amSofia
18h 59m
2 stops
IAH5:19 pmHouston George Bush Intcntl
$1,038

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 August 10, 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 Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Sun 11/15

4:35 pm-10:55 pm

1 stop22h 20m

Sofia

Thu 11/19

6:25 am-6:15 pm

1 stop19h 50m

$784

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Sun 11/15

4:35 pm-10:55 pm

1 stop22h 20m

Sofia

Thu 11/19

6:25 am-6:15 pm

1 stop19h 50m

$785

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Sun 11/15

4:35 pm-10:55 pm

1 stop22h 20m

Sofia

Thu 11/19

6:25 am-9:39 pm

2 stops23h 14m

$788

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Mon 9/7

9:15 pm-8:45 am

1 stop27h 30m

Sofia

Wed 9/30

9:35 am-7:20 pm

1 stop17h 45m

$800

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Thu 10/29

10:00 pm-8:50 am

1 stop27h 50m

Sofia

Thu 11/12

9:40 am-7:05 pm

1 stop17h 25m

$800

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Mon 9/7

9:15 pm-8:45 am

1 stop27h 30m

Sofia

Mon 9/28

9:35 am-7:20 pm

1 stop17h 45m

$840

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Thu 10/29

5:10 pm-6:10 pm

1 stop18h 00m

Sofia

Thu 11/12

6:25 am-9:39 pm

2 stops23h 14m

$874

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Thu 10/29

11:50 am-6:10 pm

2 stops23h 20m

Sofia

Thu 11/12

4:00 pm-9:39 pm

2 stops37h 39m

$880
Quickest round-trip

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Fri 9/11

3:35 pm-6:40 pm

2 stops19h 05m

Sofia

Tue 9/22

6:10 am-1:35 pm

1 stop15h 25m

$956

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Fri 9/11

3:35 pm-6:40 pm

2 stops19h 05m

Sofia

Tue 9/22

2:10 pm-12:27 am

2 stops18h 17m

$959

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 month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $622.

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

20h 35m

Direct flights

None
The fastest flight from Houston to Bulgaria takes 20h 35m
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 $593Free CancellationRating
7.4
4,476 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $606Free CancellationRating
6.8
8,176 reviews
Search Lufthansa flights
United AirlinesPriceFrom $681Free CancellationRating
7.4
10,090 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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