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

British Airways 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 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.

$390 Cheap Flights from Houston to Sofia in 2026

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 - 8:55 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

$789Turkish Airlines

Tue, Nov 10 - Tue, Nov 17

9:15 pm - 3:00 pmIAH Houston George Bush Intcntl-SOF Sofia

33h 45m1 stop Istanbul

9:40 am - 2:10 pmSOF Sofia-IAH Houston George Bush Intcntl

35h 30m1 stop Istanbul

$793Turkish Airlines

Mon, Oct 12 - Wed, Oct 28

3:50 pm - 4:20 pmIAH Houston George Bush Intcntl-SOF Sofia

16h 30m1 stop London Heathrow

9:05 pm - 2:05 pmSOF Sofia-IAH Houston George Bush Intcntl

25h 00m1 stop London Heathrow

$794British Airways

Sun, Jan 17 - Wed, Jan 20

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

17h 20m2 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

$795United Airlines

Sun, Jan 17 - Thu, Jan 21

8:25 am - 1:15 pmIAH Houston George Bush Intcntl-SOF Sofia

20h 50m2 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

$795United Airlines

Sun, Jan 17 - Wed, Jan 20

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

33h 10m1 stop Istanbul

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

35h 05m1 stop Istanbul

$800Turkish Airlines

Mon, Nov 2 - Wed, Dec 16

3:30 pm - 6:10 pmIAH Houston George Bush Intcntl-SOF Sofia

18h 40m2 stops Toronto Pearson Intl Frankfurt am Main

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

15h 35m1 stop Frankfurt am Main

$805Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

3:30 pm - 6:10 pmIAH Houston George Bush Intcntl-SOF Sofia

18h 40m2 stops Toronto Pearson Intl Frankfurt am Main

2:10 pm - 10:53 amSOF Sofia-IAH Houston George Bush Intcntl

28h 43m2 stops Frankfurt am Main Toronto Pearson Intl

$813Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

3:35 pm - 6:00 pmIAH Houston George Bush Intcntl-SOF Sofia

18h 25m1 stop Frankfurt am Main

6:25 am - 3:00 pmSOF Sofia-IAH Houston George Bush Intcntl

15h 35m1 stop Frankfurt am Main

$887Lufthansa

Mon, Oct 12 - Wed, Oct 28

3:35 pm - 10:40 pmIAH Houston George Bush Intcntl-SOF Sofia

23h 05m1 stop Frankfurt am Main

6:30 am - 1:35 pmSOF Sofia-IAH Houston George Bush Intcntl

15h 05m1 stop Frankfurt am Main

$1,098Lufthansa

Thu, Sep 24 - Thu, Oct 8

Cheap last minute flights

Enter your travel dates to find the best prices.

6:40 pm - 11:00 pmIAH Houston George Bush Intcntl-SOF Sofia

20h 20m2 stops Chicago O'Hare Intl Frankfurt am Main

6:30 am - 1:35 pmSOF Sofia-IAH Houston George Bush Intcntl

15h 05m1 stop Frankfurt am Main

$992Lufthansa

Sun, Sep 6 - Thu, Oct 1

6:40 pm - 11:00 pmIAH Houston George Bush Intcntl-SOF Sofia

20h 20m2 stops Chicago O'Hare Intl Frankfurt am Main

2:10 pm - 12:30 amSOF Sofia-IAH Houston George Bush Intcntl

18h 20m2 stops Frankfurt am Main Chicago O'Hare Intl

$996Lufthansa

Sun, Sep 6 - Thu, Oct 1

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

15h 50m1 stop Frankfurt am Main

6:30 am - 1:35 pmSOF Sofia-IAH Houston George Bush Intcntl

15h 05m1 stop Frankfurt am Main

$998United Airlines

Sun, Sep 6 - Thu, Oct 1

9:15 pm - 8:20 pmIAH Houston George Bush Intcntl-SOF Sofia

15h 05m1 stop Istanbul

9:35 am - 7:20 pmSOF Sofia-IAH Houston George Bush Intcntl

17h 45m1 stop Istanbul

$1,080Turkish Airlines

Sun, Sep 6 - Mon, Sep 28

9:15 pm - 8:20 pmIAH Houston George Bush Intcntl-SOF Sofia

15h 05m1 stop Istanbul

9:35 am - 7:20 pmSOF Sofia-IAH Houston George Bush Intcntl

17h 45m1 stop Istanbul

$1,144Turkish Airlines

Sun, Sep 6 - Tue, Sep 29

9:15 pm - 8:20 pmIAH Houston George Bush Intcntl-SOF Sofia

15h 05m1 stop Istanbul

9:35 am - 7:20 pmSOF Sofia-IAH Houston George Bush Intcntl

17h 45m1 stop Istanbul

$1,151Turkish Airlines

Fri, Sep 4 - Sun, Oct 4

7:20 am - 10:30 pmIAH Houston George Bush Intcntl-SOF Sofia

31h 10m2 stops Dallas/Fort Worth Frankfurt am Main

1:05 pm - 8:18 pmSOF Sofia-IAH Houston George Bush Intcntl

39h 13m2 stops Zurich Washington, D.C. Dulles Intl

$1,297Multiple Airlines

Fri, Sep 4 - Tue, Sep 8

9:35 am - 10:30 pmIAH Houston George Bush Intcntl-SOF Sofia

28h 55m2 stops Dallas/Fort Worth Frankfurt am Main

6:10 am - 4:40 pmSOF Sofia-IAH Houston George Bush Intcntl

18h 30m1 stop Munich Franz Josef Strauss

$1,299Lufthansa

Fri, Sep 4 - Tue, Sep 8

11:45 am - 11:10 pmIAH Houston George Bush Intcntl-SOF Sofia

27h 25m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Rome Fiumicino

7:00 am - 9:52 pmSOF Sofia-IAH Houston George Bush Intcntl

22h 52m2 stops Rome Fiumicino Toronto Pearson Intl

$1,424Multiple Airlines

Fri, Sep 4 - Tue, Sep 8

11:45 am - 11:10 pmIAH Houston George Bush Intcntl-SOF Sofia

27h 25m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Rome Fiumicino

6:10 am - 9:52 pmSOF Sofia-IAH Houston George Bush Intcntl

23h 42m3 stops Munich Franz Josef Strauss Rome Fiumicino Toronto Pearson Intl

$1,668Multiple Airlines

Fri, Sep 4 - Tue, Sep 8

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Turkish Airlines flights from Houston to Sofia

Our best Turkish Airlines deals on Houston to Sofia flight tickets

Turkish Airlines

Nov 10

IAH9:00 pmHouston George Bush Intcntl

15h 55m

1 stop

SOF8:55 pmSofia

Nov 17

SOF9:45 pmSofia

29h 20m

1 stop

IAH7:05 pmHouston George Bush Intcntl

$789

Turkish Airlines

Oct 12

IAH9:15 pmHouston George Bush Intcntl

33h 45m

1 stop

SOF3:00 pmSofia

Oct 28

SOF9:40 amSofia

35h 30m

1 stop

IAH2:10 pmHouston George Bush Intcntl

$793

Turkish Airlines

Nov 2

IAH10:00 pmHouston George Bush Intcntl

33h 10m

1 stop

SOF3:10 pmSofia

Dec 16

SOF4:00 pmSofia

35h 05m

1 stop

IAH7:05 pmHouston George Bush Intcntl

$800

United Airlines flights from Houston to Sofia

Our best United Airlines deals on Houston to Sofia flight tickets

United Airlines

Jan 17

IAH11:55 amHouston George Bush Intcntl

17h 20m

2 stops

SOF1:15 pmSofia

Jan 21

SOF6:25 amSofia

15h 35m

1 stop

IAH2:00 pmHouston George Bush Intcntl

$795

United Airlines

Jan 17

IAH1:35 pmHouston George Bush Intcntl

15h 40m

2 stops

SOF1:15 pmSofia

Jan 21

SOF6:25 amSofia

23h 09m

2 stops

IAH9:34 pmHouston George Bush Intcntl

$798

United Airlines

Jan 17

IAH4:10 pmHouston George Bush Intcntl

13h 15m

1 stop

SOF1:25 pmSofia

Jan 21

SOF6:25 amSofia

19h 50m

1 stop

IAH6:15 pmHouston George Bush Intcntl

$803

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Tue 11/10

9:00 pm-8:55 pm

1 stop15h 55m

Sofia

Tue 11/17

9:45 pm-7:05 pm

1 stop29h 20m

$789

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Mon 10/12

9:15 pm-3:00 pm

1 stop33h 45m

Sofia

Wed 10/28

9:40 am-2:10 pm

1 stop35h 30m

$793

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Sun 1/17

3:50 pm-4:20 pm

1 stop16h 30m

Sofia

Wed 1/20

9:05 pm-2:05 pm

1 stop25h 00m

$794

Quickest round-trip

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Sun 1/17

11:55 am-1:15 pm

2 stops17h 20m

Sofia

Thu 1/21

6:25 am-2:00 pm

1 stop15h 35m

$795

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Sun 1/17

8:25 am-1:15 pm

2 stops20h 50m

Sofia

Wed 1/20

6:25 am-2:00 pm

1 stop15h 35m

$795

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Mon 11/2

10:00 pm-3:10 pm

1 stop33h 10m

Sofia

Wed 12/16

4:00 pm-7:05 pm

1 stop35h 05m

$800

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Tue 11/10

3:30 pm-6:10 pm

2 stops18h 40m

Sofia

Tue 11/17

6:25 am-2:00 pm

1 stop15h 35m

$805

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Tue 11/10

3:30 pm-6:10 pm

2 stops18h 40m

Sofia

Tue 11/17

2:10 pm-10:53 am

2 stops28h 43m

$813

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Mon 10/12

3:35 pm-6:00 pm

1 stop18h 25m

Sofia

Wed 10/28

6:25 am-3:00 pm

1 stop15h 35m

$887

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Thu 9/24

3:35 pm-10:40 pm

1 stop23h 05m

Sofia

Thu 10/8

6:30 am-1:35 pm

1 stop15h 05m

$1,098

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 typical price of a round-trip flight between Houston and Sofia?

Prices are currently typical for flights on this route.

Typical prices usually range from $700 to $945.
The lowest price recently found on this route was $789.

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	$390
Fastest flight time	15h 55m
Direct flights	None

The best one-way flight to Sofia from Houston in the past 72 hours is $390. The best round-trip flight deal from Houston to Sofia found on momondo in the last 72 hours is $789.

The fastest flight from Houston to Sofia takes 15h 55m

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 55m 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 4,478 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $681	Free Cancellation	Rating 7.4 10,152 reviews	Search United Airlines flights
Lufthansa	PriceFrom $691	Free Cancellation	Rating 6.8 8,228 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 $390

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 9/8. 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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Turkish Airlines flights from Houston to Sofia

Our best Turkish Airlines 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 typical price of a round-trip flight between Houston and 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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