What airlines fly to Bulgaria?

Turkish Airlines, Lufthansa and United Airlines are the top three most popular airlines that fly to Bulgaria from Houston according to our data. Turkish Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Bulgaria. Keep in mind that there are 3 different airlines that fly to Bulgaria on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Houston to Bulgaria?

British Airways and United Airlines are the most popular carriers operating 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?

As of November 2026, there are 3 operators available to choose from 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.

$350 Cheap Flights from Houston to Bulgaria in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Bulgaria

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:00 pm - 6:45 pmIAH Houston George Bush Intcntl-SOF Sofia

22h 45m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

3:50 pm - 9:24 pmSOF Sofia-IAH Houston George Bush Intcntl

37h 34m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$745Multiple Airlines

Mon, Apr 5 - Mon, Apr 26

9:00 pm - 8:40 amIAH Houston George Bush Intcntl-SOF Sofia

27h 40m1 stop Istanbul

9:30 am - 7:05 pmSOF Sofia-IAH Houston George Bush Intcntl

17h 35m1 stop Istanbul

$748Turkish Airlines

Tue, Dec 1 - Tue, Mar 2

3:40 pm - 11:00 pmIAH Houston George Bush Intcntl-SOF Sofia

23h 20m1 stop Frankfurt am Main

3:50 pm - 9:24 pmSOF Sofia-IAH Houston George Bush Intcntl

37h 34m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$749Multiple Airlines

Mon, Apr 5 - Mon, Apr 26

4:30 pm - 11:05 pmIAH Houston George Bush Intcntl-SOF Sofia

22h 35m1 stop Munich Franz Josef Strauss

6:20 am - 1:35 pmSOF Sofia-IAH Houston George Bush Intcntl

15h 15m1 stop Frankfurt am Main

$757United Airlines

Sun, Apr 11 - Thu, Apr 15

10:30 am - 1:15 pmIAH Houston George Bush Intcntl-SOF Sofia

18h 45m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

6:25 am - 6:15 pmSOF Sofia-IAH Houston George Bush Intcntl

19h 50m1 stop Frankfurt am Main

$760United Airlines

Tue, Feb 9 - Thu, Feb 11

3:40 pm - 11:00 pmIAH Houston George Bush Intcntl-SOF Sofia

23h 20m1 stop Frankfurt am Main

7:00 pm - 1:35 pmSOF Sofia-IAH Houston George Bush Intcntl

26h 35m1 stop Frankfurt am Main

$778Lufthansa

Mon, Apr 5 - Mon, Apr 26

3:35 pm - 1:10 pmIAH Houston George Bush Intcntl-SOF Sofia

37h 35m2 stops Toronto Pearson Intl Frankfurt am Main

1:55 pm - 9:05 amSOF Sofia-IAH Houston George Bush Intcntl

27h 10m2 stops Frankfurt am Main Toronto Pearson Intl

$784Air Canada

Sun, Apr 11 - Thu, Apr 15

4:10 pm - 11:00 pmIAH Houston George Bush Intcntl-SOF Sofia

22h 50m1 stop Frankfurt am Main

6:25 am - 2:00 pmSOF Sofia-IAH Houston George Bush Intcntl

15h 35m1 stop Frankfurt am Main

$831Lufthansa

Wed, Dec 9 - Wed, Dec 16

9:00 pm - 8:55 pmIAH Houston George Bush Intcntl-SOF Sofia

15h 55m1 stop Istanbul

9:45 pm - 7:05 pmSOF Sofia-IAH Houston George Bush Intcntl

29h 20m1 stop Istanbul

$1,091Turkish Airlines

Tue, Feb 9 - Thu, Feb 11

9:00 pm - 8:50 amIAH Houston George Bush Intcntl-VAR Varna

27h 50m1 stop Istanbul

9:40 am - 7:05 pmVAR Varna-IAH Houston George Bush Intcntl

17h 25m1 stop Istanbul

$2,078Turkish Airlines

Mon, Nov 23 - Fri, Nov 27

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United Airlines flights from Houston to Bulgaria

Our best United Airlines deals on Houston to Bulgaria flight tickets

United Airlines

Apr 11

IAH4:30 pmHouston George Bush Intcntl

22h 35m

1 stop

SOF11:05 pmSofia

Apr 15

SOF6:20 amSofia

15h 15m

1 stop

IAH1:35 pmHouston George Bush Intcntl

$757

United Airlines

Feb 9

IAH10:30 amHouston George Bush Intcntl

18h 45m

2 stops

SOF1:15 pmSofia

Feb 11

SOF6:25 amSofia

19h 50m

1 stop

IAH6:15 pmHouston George Bush Intcntl

$760

United Airlines

Apr 11

IAH7:20 amHouston George Bush Intcntl

21h 00m

2 stops

SOF12:20 pmSofia

Apr 15

SOF6:20 amSofia

15h 15m

1 stop

IAH1:35 pmHouston George Bush Intcntl

$761

Turkish Airlines flights from Houston to Bulgaria

Our best Turkish Airlines deals on Houston to Bulgaria flight tickets

Turkish Airlines

Dec 1

IAH9:00 pmHouston George Bush Intcntl

27h 40m

1 stop

SOF8:40 amSofia

Mar 2

SOF9:30 amSofia

17h 35m

1 stop

IAH7:05 pmHouston George Bush Intcntl

$748

Turkish Airlines

Nov 15

IAH9:00 pmHouston George Bush Intcntl

15h 55m

1 stop

SOF8:55 pmSofia

Nov 22

SOF9:30 amSofia

17h 35m

1 stop

IAH7:05 pmHouston George Bush Intcntl

$833

Turkish Airlines

Nov 15

IAH9:00 pmHouston George Bush Intcntl

15h 55m

1 stop

SOF8:55 pmSofia

Nov 22

SOF9:30 amSofia

17h 35m

1 stop

IAH7:05 pmHouston George Bush Intcntl

$858

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Mon 4/5

12:00 pm-6:45 pm

2 stops22h 45m

Sofia

Mon 4/26

3:50 pm-9:24 pm

2 stops37h 34m

$745

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Tue 12/1

9:00 pm-8:40 am

1 stop27h 40m

Sofia

Tue 3/2

9:30 am-7:05 pm

1 stop17h 35m

$748

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Mon 4/5

3:40 pm-11:00 pm

1 stop23h 20m

Sofia

Mon 4/26

3:50 pm-9:24 pm

2 stops37h 34m

$749

Quickest round-trip

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Sun 4/11

4:30 pm-11:05 pm

1 stop22h 35m

Sofia

Thu 4/15

6:20 am-1:35 pm

1 stop15h 15m

$757

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Tue 2/9

10:30 am-1:15 pm

2 stops18h 45m

Sofia

Thu 2/11

6:25 am-6:15 pm

1 stop19h 50m

$760

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Mon 4/5

3:40 pm-11:00 pm

1 stop23h 20m

Sofia

Mon 4/26

7:00 pm-1:35 pm

1 stop26h 35m

$778

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Sun 4/11

3:35 pm-1:10 pm

2 stops37h 35m

Sofia

Thu 4/15

1:55 pm-9:05 am

2 stops27h 10m

$784

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Wed 12/9

4:10 pm-11:00 pm

1 stop22h 50m

Sofia

Wed 12/16

6:25 am-2:00 pm

1 stop15h 35m

$831

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Tue 2/9

9:00 pm-8:55 pm

1 stop15h 55m

Sofia

Thu 2/11

9:45 pm-7:05 pm

1 stop29h 20m

$1,091

HoustonVarna

IAH Houston George Bush Intcntl - VAR Varna

IAHVAR

Houston George Bush Intcntl

Mon 11/23

9:00 pm-8:50 am

1 stop27h 50m

Varna

Fri 11/27

9:40 am-7:05 pm

1 stop17h 25m

$2,078

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $680.

Cheap Houston to Bulgaria flight deals and tips

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

Best Price Found	$350
Fastest flight time	18h 45m
Direct flights	None

The best one-way flight to Bulgaria from Houston in the past 72 hours is $350. The best round-trip flight deal from Houston to Bulgaria found on momondo in the last 72 hours is $745.

The fastest flight from Houston to Bulgaria takes 18h 45m

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?
As of November 2026, there are 3 operators available to choose from 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 Airlines	PriceFrom $596	Free Cancellation	Rating 7.4 4,467 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $681	Free Cancellation	Rating 7.3 10,477 reviews	Search United Airlines flights
Lufthansa	PriceFrom $691	Free Cancellation	Rating 6.8 8,292 reviews	Search Lufthansa 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.

An easier way to manage your Bulgaria trip

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Popular cities in Bulgaria

Flights to Sofiafrom $629

Flights to Varnafrom $699

Flights to Burgasfrom $921

Flights to Plovdivfrom $1,009

Cheap flights from Houston to Bulgaria from $350

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 4/20. 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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United Airlines flights from Houston to Bulgaria

Our best United Airlines deals on Houston to Bulgaria flight tickets

Turkish Airlines flights from Houston to Bulgaria

Our best Turkish Airlines deals on Houston to Bulgaria flight tickets

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How to get the cheapest flight ticket from Houston to Bulgaria

What is the cheapest month to fly to Bulgaria?

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What airlines fly to Bulgaria?

Cheap Houston to Bulgaria flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Houston to Bulgaria

Best airlines flying from Houston to Bulgaria

Compare and see reviews for airlines that fly from Houston to Bulgaria with momondo

Why use momondo?

An easier way to manage your Bulgaria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bulgaria

Popular cities in Bulgaria

Popular flights according to clicks in the last 7 days on momondo

Bulgaria flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Bulgaria

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Bulgaria

List of cabin classes available on flights landing in Bulgaria. Availability may vary depending on flight origin and airline.

Complete your trip to Bulgaria

Explore popular destinations other users love

According to popular flight searches on momondo this year