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

Lufthansa is the most popular carrier operating from Houston to Sofia

What airlines fly to Sofia?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Sofia from Houston according to our data. Lufthansa is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 3 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Houston to Sofia Airport is 3 as of November 2026.

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.

$711 Cheap Flights from Houston to Sofia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Sofia

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

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

27h 40m1 stop Istanbul

4:00 pm - 7:05 pmSOF Sofia-IAH Houston George Bush Intcntl

35h 05m1 stop Istanbul

$748Turkish Airlines

Sun, Nov 29 - Thu, Dec 10

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

$756United 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

6:45 am - 12:20 pmIAH Houston George Bush Intcntl-SOF Sofia

21h 35m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

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

15h 15m1 stop Frankfurt am Main

$761United Airlines

Sun, Apr 11 - Thu, Apr 15

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

$783Air Canada

Sun, Apr 11 - Thu, Apr 15

9:00 pm - 3:10 pmIAH Houston George Bush Intcntl-SOF Sofia

34h 10m1 stop Istanbul

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

17h 35m1 stop Istanbul

$785Turkish Airlines

Sun, Nov 15 - Wed, Nov 25

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

15h 55m1 stop Istanbul

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

17h 35m1 stop Istanbul

$795Turkish Airlines

Sun, Nov 15 - Sun, Nov 22

11:50 am - 1:15 pmIAH Houston George Bush Intcntl-SOF Sofia

17h 25m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss

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

15h 35m1 stop Frankfurt am Main

$819Multiple Airlines

Wed, Dec 9 - Wed, Feb 17

4:10 pm - 1:25 pmIAH Houston George Bush Intcntl-SOF Sofia

13h 15m1 stop Frankfurt am Main

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

15h 35m1 stop Frankfurt am Main

$824Lufthansa

Wed, Dec 9 - Wed, Feb 17

5:10 pm - 6:20 pmIAH Houston George Bush Intcntl-SOF Sofia

17h 10m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

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

15h 35m1 stop Frankfurt am Main

$840Lufthansa

Wed, Jan 13 - Fri, Jan 22

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United Airlines flights from Houston to Sofia

Our best United Airlines deals on Houston to Sofia 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

$756

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

IAH6:45 amHouston George Bush Intcntl

21h 35m

2 stops

SOF12:20 pmSofia

Apr 15

SOF6:20 amSofia

15h 15m

1 stop

IAH1:35 pmHouston George Bush Intcntl

$761

Lufthansa flights from Houston to Sofia

Our best Lufthansa deals on Houston to Sofia flight tickets

Lufthansa

Dec 9

IAH4:10 pmHouston George Bush Intcntl

13h 15m

1 stop

SOF1:25 pmSofia

Feb 17

SOF6:25 amSofia

15h 35m

1 stop

IAH2:00 pmHouston George Bush Intcntl

$824

Lufthansa

Jan 13

IAH5:10 pmHouston George Bush Intcntl

17h 10m

2 stops

SOF6:20 pmSofia

Jan 22

SOF6:25 amSofia

15h 35m

1 stop

IAH2:00 pmHouston George Bush Intcntl

$840

Lufthansa

Jan 13

IAH5:10 pmHouston George Bush Intcntl

17h 10m

2 stops

SOF6:20 pmSofia

Jan 23

SOF6:25 amSofia

15h 35m

1 stop

IAH2:00 pmHouston George Bush Intcntl

$890

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 11/29

9:00 pm-8:40 am

1 stop27h 40m

Sofia

Thu 12/10

4:00 pm-7:05 pm

1 stop35h 05m

$748

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

$756

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

Sun 4/11

6:45 am-12:20 pm

2 stops21h 35m

Sofia

Thu 4/15

6:20 am-1:35 pm

1 stop15h 15m

$761

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

$783

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Sun 11/15

9:00 pm-3:10 pm

1 stop34h 10m

Sofia

Wed 11/25

9:30 am-7:05 pm

1 stop17h 35m

$785

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Sun 11/15

9:00 pm-8:55 pm

1 stop15h 55m

Sofia

Sun 11/22

9:30 am-7:05 pm

1 stop17h 35m

$795

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Wed 12/9

11:50 am-1:15 pm

2 stops17h 25m

Sofia

Wed 2/17

6:25 am-2:00 pm

1 stop15h 35m

$819

Quickest round-trip

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Wed 12/9

4:10 pm-1:25 pm

1 stop13h 15m

Sofia

Wed 2/17

6:25 am-2:00 pm

1 stop15h 35m

$824

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Wed 1/13

5:10 pm-6:20 pm

2 stops17h 10m

Sofia

Fri 1/22

6:25 am-2:00 pm

1 stop15h 35m

$840

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Houston is in February. Flight prices, which tend to average around $623, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Sofia from Houston during January instead. Flights to Sofia in January, while not as cheap as those in February, still average around $680.

Cheap Houston to Sofia flight deals and tips

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

Best Price Found	$711
Fastest flight time	16h 15m
Direct flights	None

The best one-way flight to Sofia from Houston in the past 72 hours is $711. The best round-trip flight deal from Houston to Sofia found on momondo in the last 72 hours is $748.

The fastest flight from Houston to Sofia takes 16h 15m

There are no direct flights from Houston to Sofia. There are no popular flight routes from Houston to Sofia.

Search flight deals

Frequently asked questions about flying from Houston to Sofia

How far is Houston to Sofia by plane?
The distance between Houston and Sofia is about 6094.3 mi. 16h 15m 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?
The number of operators available for flights from Houston to Sofia Airport is 3 as of November 2026.
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 Airlines	PriceFrom $596	Free Cancellation	Rating 7.4 4,464 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $681	Free Cancellation	Rating 7.3 10,458 reviews	Search United Airlines flights
Lufthansa	PriceFrom $691	Free Cancellation	Rating 6.8 8,299 reviews	Search Lufthansa flights

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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Cheap flights from Houston to Sofia from $711

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 Sofia departing on 12/21. 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 Sofia

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Our best Lufthansa deals on Houston to Sofia flight tickets

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Cheap Houston to Sofia flight deals and tips

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Frequently asked questions about flying from Houston to Sofia

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Why use momondo?

An easier way to manage your Sofia 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.

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

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