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

Lufthansa, Turkish Airlines, and British Airways are the most popular carriers 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 41% 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 September 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.

$375 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:10 pm - 7:20 pmIAH Houston George Bush Intcntl-SOF Sofia

14h 10m1 stop London Heathrow

5:15 pm - 7:55 pmSOF Sofia-IAH Houston George Bush Intcntl

34h 40m1 stop London Heathrow

$637British Airways

Sun, Oct 18 - Mon, Nov 2

5:34 pm - 7:20 pmIAH Houston George Bush Intcntl-SOF Sofia

17h 46m2 stops Miami London Heathrow

5:15 pm - 2:05 pmSOF Sofia-IAH Houston George Bush Intcntl

28h 50m1 stop London Heathrow

$642British Airways

Sun, Oct 18 - Mon, Nov 2

4:35 pm - 10:55 pmIAH Houston George Bush Intcntl-SOF Sofia

22h 20m1 stop Munich Franz Josef Strauss

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

15h 35m1 stop Frankfurt am Main

$676United Airlines

Wed, Nov 4 - Tue, Nov 17

4:35 pm - 10:55 pmIAH Houston George Bush Intcntl-SOF Sofia

22h 20m1 stop Munich Franz Josef Strauss

2:00 pm - 8:24 amSOF Sofia-IAH Houston George Bush Intcntl

26h 24m2 stops Munich Franz Josef Strauss Newark

$678United Airlines

Wed, Nov 4 - Tue, Nov 17

11:55 am - 11:55 pmIAH Houston George Bush Intcntl-SOF Sofia

28h 00m2 stops Toronto Pearson Intl Vienna Intl

12:35 pm - 7:07 pmSOF Sofia-IAH Houston George Bush Intcntl

38h 32m2 stops Vienna Intl Newark

$692Austrian Airlines

Wed, Nov 4 - Tue, Nov 17

6:20 pm - 10:55 pmIAH Houston George Bush Intcntl-SOF Sofia

20h 35m2 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

$725Lufthansa

Fri, Feb 12 - Fri, Feb 19

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

$737Lufthansa

Fri, Feb 12 - Fri, Feb 19

11:55 am - 1:15 pmIAH Houston George Bush Intcntl-SOF Sofia

17h 20m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

6:25 am - 9:34 pmSOF Sofia-IAH Houston George Bush Intcntl

23h 09m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$738United Airlines

Fri, Feb 12 - Fri, Feb 19

9:15 pm - 8:45 amIAH Houston George Bush Intcntl-SOF Sofia

27h 30m1 stop Istanbul

3:50 pm - 7:20 pmSOF Sofia-IAH Houston George Bush Intcntl

35h 30m1 stop Istanbul

$856Turkish Airlines

Tue, Oct 6 - Tue, Oct 13

2:55 pm - 3:10 pmIAH Houston George Bush Intcntl-SOF Sofia

16h 15m1 stop Istanbul

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

17h 35m1 stop Istanbul

$947Turkish Airlines

Tue, Dec 1 - Wed, Jan 13

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British Airways flights from Houston to Sofia

Our best British Airways deals on Houston to Sofia flight tickets

British Airways

Oct 18

IAH9:10 pmHouston George Bush Intcntl

14h 10m

1 stop

SOF7:20 pmSofia

Nov 2

SOF5:15 pmSofia

34h 40m

1 stop

IAH7:55 pmHouston George Bush Intcntl

$637

British Airways

Oct 18

IAH5:34 pmHouston George Bush Intcntl

17h 46m

2 stops

SOF7:20 pmSofia

Nov 2

SOF5:15 pmSofia

28h 50m

1 stop

IAH2:05 pmHouston George Bush Intcntl

$642

British Airways

Oct 7

IAH5:34 pmHouston George Bush Intcntl

35h 51m

2 stops

SOF1:25 pmSofia

Oct 12

SOF8:10 pmSofia

31h 10m

1 stop

IAH7:20 pmHouston George Bush Intcntl

$841

United Airlines flights from Houston to Sofia

Our best United Airlines deals on Houston to Sofia flight tickets

United Airlines

Nov 4

IAH4:35 pmHouston George Bush Intcntl

22h 20m

1 stop

SOF10:55 pmSofia

Nov 17

SOF6:25 amSofia

15h 35m

1 stop

IAH2:00 pmHouston George Bush Intcntl

$676

United Airlines

Nov 4

IAH4:35 pmHouston George Bush Intcntl

22h 20m

1 stop

SOF10:55 pmSofia

Nov 17

SOF2:00 pmSofia

26h 24m

2 stops

IAH8:24 amHouston George Bush Intcntl

$678

United Airlines

Feb 12

IAH11:55 amHouston George Bush Intcntl

17h 20m

2 stops

SOF1:15 pmSofia

Feb 19

SOF6:25 amSofia

23h 09m

2 stops

IAH9:34 pmHouston George Bush Intcntl

$738

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 10/18

9:10 pm-7:20 pm

1 stop14h 10m

Sofia

Mon 11/2

5:15 pm-7:55 pm

1 stop34h 40m

$637

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Sun 10/18

5:34 pm-7:20 pm

2 stops17h 46m

Sofia

Mon 11/2

5:15 pm-2:05 pm

1 stop28h 50m

$642

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Wed 11/4

4:35 pm-10:55 pm

1 stop22h 20m

Sofia

Tue 11/17

6:25 am-2:00 pm

1 stop15h 35m

$676

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Wed 11/4

4:35 pm-10:55 pm

1 stop22h 20m

Sofia

Tue 11/17

2:00 pm-8:24 am

2 stops26h 24m

$678

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Wed 11/4

11:55 am-11:55 pm

2 stops28h 00m

Sofia

Tue 11/17

12:35 pm-7:07 pm

2 stops38h 32m

$692

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Fri 2/12

6:20 pm-10:55 pm

2 stops20h 35m

Sofia

Fri 2/19

6:25 am-2:00 pm

1 stop15h 35m

$725

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Fri 2/12

4:10 pm-11:00 pm

1 stop22h 50m

Sofia

Fri 2/19

6:25 am-2:00 pm

1 stop15h 35m

$737

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Fri 2/12

11:55 am-1:15 pm

2 stops17h 20m

Sofia

Fri 2/19

6:25 am-9:34 pm

2 stops23h 09m

$738

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Tue 10/6

9:15 pm-8:45 am

1 stop27h 30m

Sofia

Tue 10/13

3:50 pm-7:20 pm

1 stop35h 30m

$856

Quickest round-trip

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Tue 12/1

2:55 pm-3:10 pm

1 stop16h 15m

Sofia

Wed 1/13

9:30 am-7:05 pm

1 stop17h 35m

$947

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 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 October. Flight prices, which tend to average around $600, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Sofia from Houston during January instead. Flights to Sofia in January, while not as cheap as those in October, still average around $622.

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	$375
Fastest flight time	15h 50m
Direct flights	None

The best one-way flight to Sofia from Houston in the past 72 hours is $375. The best round-trip flight deal from Houston to Sofia found on momondo in the last 72 hours is $637.

The fastest flight from Houston to Sofia takes 15h 50m

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. 15h 50m 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 September 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 $593	Free Cancellation	Rating 7.4 4,466 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $681	Free Cancellation	Rating 7.4 10,227 reviews	Search United Airlines flights
Lufthansa	PriceFrom $691	Free Cancellation	Rating 6.8 8,236 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 $375

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 2/13. 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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British Airways flights from Houston to Sofia

Our best British Airways deals on Houston to Sofia flight tickets

United Airlines flights from Houston to Sofia

Our best United Airlines deals on Houston to Sofia flight tickets

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How to get the cheapest flight ticket from Houston to Sofia

What is the cheapest month to fly to Sofia?

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

What airlines fly to Sofia?

Cheap Houston to Sofia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Houston to Sofia

Best airlines flying from Houston to Sofia

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

Traveling to a place near Sofia?

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.

Find better results for your trip to Bulgaria

Fly your favorite airline to Sofia

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Cabin classes currently available on flights to Sofia

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

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