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

United 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 42% 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 August 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.

$398 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

22h 20m1 stop Munich Franz Josef Strauss

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

19h 50m1 stop Frankfurt am Main

$784United Airlines

So, Nov 15 - Mi, Nov 18

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

22h 20m1 stop Munich Franz Josef Strauss

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

19h 50m1 stop Frankfurt am Main

$785United Airlines

So, Nov 15 - Mi, Nov 18

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

22h 20m1 stop Munich Franz Josef Strauss

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

So, Nov 15 - Mi, Nov 18

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

33h 45m1 stop Istanbul

1:05 pm - 7:20 pmSOF Sofia-IAH Houston George Bush Intcntl

38h 15m1 stop Istanbul

$860Turkish Airlines

So, Sep 27 - So, Okt 4

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

33h 45m1 stop Istanbul

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

17h 45m1 stop Istanbul

$896Turkish Airlines

Fr, Okt 2 - Fr, Okt 9

3:35 pm - 10:50 pmIAH Houston George Bush Intcntl-SOF Sofia

23h 15m1 stop Frankfurt am Main

6:10 am - 7:52 pmSOF Sofia-IAH Houston George Bush Intcntl

21h 42m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$931Multiple Airlines

Di, Sep 15 - Di, Sep 22

4:40 pm - 11:15 pmIAH Houston George Bush Intcntl-SOF Sofia

22h 35m1 stop Munich Franz Josef Strauss

6:10 am - 1:35 pmSOF Sofia-IAH Houston George Bush Intcntl

15h 25m1 stop Frankfurt am Main

$933Multiple Airlines

Di, Sep 15 - Di, Sep 22

6:20 pm - 10:30 pmIAH Houston George Bush Intcntl-SOF Sofia

20h 10m1 stop Frankfurt am Main

6:10 am - 1:35 pmSOF Sofia-IAH Houston George Bush Intcntl

15h 25m1 stop Frankfurt am Main

$947Lufthansa

Fr, Sep 11 - Di, Sep 22

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

27h 30m1 stop Istanbul

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

17h 45m1 stop Istanbul

$1,050Turkish Airlines

Di, Sep 1 - Mo, Sep 21

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

13h 15m1 stop Frankfurt am Main

2:10 pm - 2:00 pmSOF Sofia-IAH Houston George Bush Intcntl

31h 50m1 stop Frankfurt am Main

$1,591Lufthansa

Mi, Dez 16 - Mo, Jan 4

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United Airlines flights from Houston to Sofia

Our best United Airlines deals on Houston to Sofia flight tickets

United Airlines

Nov 15

IAH4:35 pmHouston George Bush Intcntl

22h 20m

1 stop

SOF10:55 pmSofia

Nov 18

SOF6:25 amSofia

19h 50m

1 stop

IAH6:15 pmHouston George Bush Intcntl

$784

United Airlines

Nov 15

IAH4:35 pmHouston George Bush Intcntl

22h 20m

1 stop

SOF10:55 pmSofia

Nov 18

SOF6:25 amSofia

19h 50m

1 stop

IAH6:15 pmHouston George Bush Intcntl

$785

United Airlines

Nov 15

IAH4:35 pmHouston George Bush Intcntl

22h 20m

1 stop

SOF10:55 pmSofia

Nov 18

SOF6:25 amSofia

23h 14m

2 stops

IAH9:39 pmHouston George Bush Intcntl

$788

Turkish Airlines flights from Houston to Sofia

Our best Turkish Airlines deals on Houston to Sofia flight tickets

Turkish Airlines

Aug 24

IAH2:30 pmHouston George Bush Intcntl

21h 50m

1 stop

SOF8:20 pmSofia

Sep 8

SOF9:10 pmSofia

30h 10m

1 stop

IAH7:20 pmHouston George Bush Intcntl

$800

Turkish Airlines

Aug 23

IAH9:15 pmHouston George Bush Intcntl

15h 05m

1 stop

SOF8:20 pmSofia

Sep 6

SOF9:35 amSofia

35h 10m

1 stop

IAH12:45 pmHouston George Bush Intcntl

$852

Turkish Airlines

Sep 27

IAH9:15 pmHouston George Bush Intcntl

33h 45m

1 stop

SOF3:00 pmSofia

Oct 4

SOF1:05 pmSofia

38h 15m

1 stop

IAH7:20 pmHouston George Bush Intcntl

$860

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

So 11/15

4:35 pm-10:55 pm

1 stop22h 20m

Sofia

Mi 11/18

6:25 am-6:15 pm

1 stop19h 50m

$784

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

So 11/15

4:35 pm-10:55 pm

1 stop22h 20m

Sofia

Mi 11/18

6:25 am-6:15 pm

1 stop19h 50m

$785

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

So 11/15

4:35 pm-10:55 pm

1 stop22h 20m

Sofia

Mi 11/18

6:25 am-9:39 pm

2 stops23h 14m

$788

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

So 9/27

9:15 pm-3:00 pm

1 stop33h 45m

Sofia

So 10/4

1:05 pm-7:20 pm

1 stop38h 15m

$860

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Fr 10/2

9:15 pm-3:00 pm

1 stop33h 45m

Sofia

Fr 10/9

9:35 am-7:20 pm

1 stop17h 45m

$896

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Di 9/15

3:35 pm-10:50 pm

1 stop23h 15m

Sofia

Di 9/22

6:10 am-7:52 pm

2 stops21h 42m

$931

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Di 9/15

4:40 pm-11:15 pm

1 stop22h 35m

Sofia

Di 9/22

6:10 am-1:35 pm

1 stop15h 25m

$933

Quickest round-trip

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Fr 9/11

6:20 pm-10:30 pm

1 stop20h 10m

Sofia

Di 9/22

6:10 am-1:35 pm

1 stop15h 25m

$947

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Di 9/1

9:15 pm-8:45 am

1 stop27h 30m

Sofia

Mo 9/21

9:35 am-7:20 pm

1 stop17h 45m

$1,050

HoustonSofia

IAH Houston George Bush Intcntl - SOF Sofia

IAHSOF

Houston George Bush Intcntl

Mi 12/16

4:10 pm-1:25 pm

1 stop13h 15m

Sofia

Mo 1/4

2:10 pm-2:00 pm

1 stop31h 50m

$1,591

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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	$398
Fastest flight time	15h 05m
Direct flights	None

The best one-way flight to Sofia from Houston in the past 72 hours is $398. The best round-trip flight deal from Houston to Sofia found on momondo in the last 72 hours is $784.

The fastest flight from Houston to Sofia takes 15h 05m

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 05m 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 August 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 4,472 reviews	Search Turkish Airlines flights
Lufthansa	PriceFrom $606	Free Cancellation	Rating 6.8 8,196 reviews	Search Lufthansa flights
United Airlines	PriceFrom $681	Free Cancellation	Rating 7.4 10,107 reviews	Search United Airlines 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 $398

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Houston to Sofia

Our best United Airlines deals on Houston to Sofia flight tickets

Turkish Airlines flights from Houston to Sofia

Our best Turkish 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?

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What airlines fly to Sofia?

Cheap Houston to Sofia flight deals and tips

Best Price Found

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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.

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