Which airport is the most popular layover for flights between Houston George Bush Intcntl Airport and Sofia?

Istanbul (IST) was the most common stop: 68% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Sofia?

Turkish Airlines, Lufthansa and United Airlines are the top three most popular airlines that fly to Sofia from Houston George Bush Intcntl Airport according to our data. Turkish Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 4 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Houston George Bush Intcntl Airport to Sofia?

Flights via Istanbul (IST) offer the lowest average round-trip price of $868.

Which layover airport has the shortest connection time from Houston George Bush Intcntl Airport to Sofia?

Istanbul (IST) has the shortest average layover time for this route: 2h 52m.

Which layover airport has the shortest travel time from Houston George Bush Intcntl Airport to Sofia?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 14h 00m.

When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Sofia Airport?

Prices for flights from Houston George Bush Intcntl Airport to Sofia Airport are refreshed on a daily basis.

How old do you have to be to fly from Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport to Sofia Airport.

What documentation or ID do you need to fly to Sofia Airport?

The required travel and health documents for your Sofia Airport 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 Sofia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$259 Cheap Flights from Houston George Bush Intcntl Airport to Sofia in 2025/26

Q: What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Sofia?

Prices are currently low for flights on this route. Typical prices usually range from $600 to $615. The lowest price recently found on this route was $543.

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Find the cheapest flights from Houston George Bush Intcntl Airport to Sofia

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Enter your travel dates to find the best prices.

9:05 pm - 1:30 pm

IAH

SOF

32h 25m1 stop

9:30 pm - 1:45 pm

SOF

IAH

24h 15m1 stop

$543British Airways

Wed, Apr 1 - Wed, Apr 15

7:05 pm - 10:45 pm

IAH

SOF

19h 40m2 stops

6:10 am - 2:10 pm

SOF

IAH

16h 00m1 stop

$561Lufthansa

Wed, Feb 11 - Wed, Feb 18

9:05 pm - 1:30 pm

IAH

SOF

32h 25m1 stop

8:00 pm - 1:45 pm

SOF

IAH

25h 45m1 stop

$563British Airways

Wed, Apr 1 - Mon, Apr 13

9:05 pm - 1:30 pm

IAH

SOF

32h 25m1 stop

9:30 pm - 9:32 pm

SOF

IAH

32h 02m2 stops

$569British Airways

Wed, Apr 1 - Wed, Apr 15

6:55 pm - 6:00 pm

IAH

SOF

15h 05m1 stop

6:10 am - 2:10 pm

SOF

IAH

16h 00m1 stop

$576Lufthansa

Wed, Feb 11 - Wed, Feb 18

3:20 pm - 2:00 pm

IAH

SOF

14h 40m1 stop

7:00 am - 7:33 pm

SOF

IAH

20h 33m2 stops

$578KLM

Tue, Mar 31 - Thu, Apr 16

11:39 am - 2:00 pm

IAH

SOF

18h 21m2 stops

7:00 am - 8:18 pm

SOF

IAH

21h 18m2 stops

$582KLM

Wed, Apr 1 - Wed, Apr 15

3:30 pm - 7:10 pm

IAH

SOF

19h 40m1 stop

9:30 pm - 1:45 pm

SOF

IAH

24h 15m1 stop

$589British Airways

Sun, Mar 29 - Wed, Apr 15

9:05 pm - 8:50 pm

IAH

SOF

15h 45m1 stop

4:00 pm - 2:10 pm

SOF

IAH

29h 10m1 stop

$592Turkish Airlines

Wed, Mar 4 - Tue, Mar 10

9:05 pm - 8:45 am

IAH

SOF

27h 40m1 stop

4:00 pm - 7:10 pm

SOF

IAH

35h 10m1 stop

$601Turkish Airlines

Thu, Feb 19 - Mon, Feb 23

KLM flights from Houston George Bush Intcntl Airport to Sofia

Our best KLM deals on Houston George Bush Intcntl Airport to Sofia flight tickets

KLM

Mar 31

IAH3:20 pmHouston George Bush Intcntl

14h 40m

1 stop

SOF2:00 pmSofia

Apr 16

SOF7:00 amSofia

20h 33m

2 stops

IAH7:33 pmHouston George Bush Intcntl

$578

Find similar

KLM

Apr 1

IAH11:35 amHouston George Bush Intcntl

18h 25m

2 stops

SOF2:00 pmSofia

Apr 16

SOF7:00 amSofia

24h 25m

2 stops

IAH11:25 pmHouston George Bush Intcntl

$582

Find similar

KLM

Mar 31

IAH3:20 pmHouston George Bush Intcntl

14h 40m

1 stop

SOF2:00 pmSofia

Apr 14

SOF7:00 amSofia

24h 25m

2 stops

IAH11:25 pmHouston George Bush Intcntl

$604

Find similar

United Airlines flights from Houston George Bush Intcntl Airport to Sofia

Our best United Airlines deals on Houston George Bush Intcntl Airport to Sofia flight tickets

United Airlines

Mar 30

IAH4:30 pmHouston George Bush Intcntl

18h 10m

1 stop

SOF6:40 pmSofia

Apr 16

SOF6:30 amSofia

19h 30m

1 stop

IAH6:00 pmHouston George Bush Intcntl

$617

Find similar

United Airlines

Mar 30

IAH4:30 pmHouston George Bush Intcntl

22h 40m

1 stop

SOF11:10 pmSofia

Apr 15

SOF6:10 amSofia

18h 25m

1 stop

IAH4:35 pmHouston George Bush Intcntl

$619

Find similar

United Airlines

Mar 30

IAH7:25 amHouston George Bush Intcntl

20h 45m

2 stops

SOF12:10 pmSofia

Apr 14

SOF6:10 amSofia

15h 25m

1 stop

IAH1:35 pmHouston George Bush Intcntl

$622

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 4/1

9:05 pm-1:30 pm

1 stop32h 25m

Sofia

Wed 4/15

9:30 pm-1:45 pm

1 stop24h 15m

$543

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 2/11

7:05 pm-10:45 pm

2 stops19h 40m

Sofia

Wed 2/18

6:10 am-2:10 pm

1 stop16h 00m

$561

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 4/1

9:05 pm-1:30 pm

1 stop32h 25m

Sofia

Mon 4/13

8:00 pm-1:45 pm

1 stop25h 45m

$563

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 4/1

9:05 pm-1:30 pm

1 stop32h 25m

Sofia

Wed 4/15

9:30 pm-9:32 pm

2 stops32h 02m

$569

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 2/11

6:55 pm-6:00 pm

1 stop15h 05m

Sofia

Wed 2/18

6:10 am-2:10 pm

1 stop16h 00m

$576

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 3/31

3:20 pm-2:00 pm

1 stop14h 40m

Sofia

Thu 4/16

7:00 am-7:33 pm

2 stops20h 33m

$578

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 4/1

11:39 am-2:00 pm

2 stops18h 21m

Sofia

Wed 4/15

7:00 am-8:18 pm

2 stops21h 18m

$582

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 3/29

3:30 pm-7:10 pm

1 stop19h 40m

Sofia

Wed 4/15

9:30 pm-1:45 pm

1 stop24h 15m

$589

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Wed 3/4

9:05 pm-8:50 pm

1 stop15h 45m

Sofia

Tue 3/10

4:00 pm-2:10 pm

1 stop29h 10m

$592

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Thu 2/19

9:05 pm-8:45 am

1 stop27h 40m

Sofia

Mon 2/23

4:00 pm-7:10 pm

1 stop35h 10m

$601

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 George Bush Intcntl Airport 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

Layovers

What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Sofia?

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Houston George Bush Intcntl Airport is in January. Flight prices, which tend to average around $608, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Sofia from Houston George Bush Intcntl Airport during April instead. Flights to Sofia in April, while not as cheap as those in January, still average around $654.

Can stopping save me money on Houston George Bush Intcntl Airport to Sofia flights?

You could potentially save up to 5% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Sofia flight.

When to book flights from Houston George Bush Intcntl Airport to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Sofia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Sofia (IAH to SOF) flight deals and tips

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

Fastest flight time	15h 45m
Direct flights	None

The fastest flight from Houston George Bush Intcntl Airport to Sofia takes 15h 45m

There are no direct flights from Houston George Bush Intcntl Airport to Sofia. There are no popular flight routes from Houston George Bush Intcntl Airport to Sofia.

Search flight deals

How far is Houston George Bush Intcntl to Sofia by plane?
The distance between Houston George Bush Intcntl and Sofia is about 6081.3 mi. Flights usually cover this in 15h 45m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Sofia Airport?
Prices for flights from Houston George Bush Intcntl Airport to Sofia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Sofia Airport?
There are 4 operators available for flights from Houston George Bush Intcntl Airport to Sofia Airport as of December 2025.
How old do you have to be to fly from Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The required travel and health documents for your Sofia Airport 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 Sofia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Houston George Bush Intcntl Airport to Sofia?
momondo data reveals that the most frequently booked airline on the route from Houston George Bush Intcntl Airport to Sofia is Turkish Airlines, representing 44% of all bookings. The subsequent popular airlines are Lufthansa at 33%, United Airlines at 16%, and British Airways at 7%.

Best airlines flying from Houston George Bush Intcntl Airport to Sofia

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Sofia with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $575	Free Cancellation	Rating 6.7 7,625 reviews	Search British Airways flights
Lufthansa	PriceFrom $599	Free Cancellation	Rating 6.8 7,663 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $622	Free Cancellation	Rating 7.3 4,131 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $755	Free Cancellation	Rating 7.4 9,123 reviews	Search United Airlines flights

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Velingrad

Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Sofia?

Finding the right flight to Sofia from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sofia quick and easy, saving you time and money.

Can I find flights from Houston to Sofia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sofia from Houston with this policy.

How can momondo help me find flights from Houston to Sofia?

Once you have performed a search for Houston to Sofia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Sofia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Houston to Sofia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sofia and let you know when they change.

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Cheap flights from Houston George Bush Intcntl Airport to Sofia from $259

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Find the cheapest flights from Houston George Bush Intcntl Airport to Sofia

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KLM flights from Houston George Bush Intcntl Airport to Sofia

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How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Sofia

What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Sofia?

What is the cheapest month to fly to Sofia?

Can stopping save me money on Houston George Bush Intcntl Airport to Sofia flights?

You could potentially save up to 5% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Sofia flight.

What airlines fly to Sofia?

Which airport is the most popular layover for flights between Houston George Bush Intcntl Airport and Sofia?

Istanbul (IST) was the most common stop: 68% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Houston George Bush Intcntl Airport to Sofia?

Flights via Istanbul (IST) offer the lowest average round-trip price of $868.

Which layover airport has the shortest travel time from Houston George Bush Intcntl Airport to Sofia?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 14h 00m.

Which layover airport has the shortest connection time from Houston George Bush Intcntl Airport to Sofia?

Istanbul (IST) has the shortest average layover time for this route: 2h 52m.

When to book flights from Houston George Bush Intcntl Airport to Sofia

Cheap Houston George Bush Intcntl Airport to Sofia (IAH to SOF) flight deals and tips

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

Fastest flight time

Direct flights

How far is Houston George Bush Intcntl to Sofia by plane?

When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Sofia Airport?

How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Sofia Airport?

How old do you have to be to fly from Houston George Bush Intcntl Airport to Sofia Airport?

What documentation or ID do you need to fly to Sofia Airport?

What is the most popular airline from Houston George Bush Intcntl Airport to Sofia?

Best airlines flying from Houston George Bush Intcntl Airport to Sofia

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Sofia with momondo

Traveling to a place near Sofia?

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Sofia?

Can I find flights from Houston to Sofia with flexible booking policies on momondo?

How can momondo help me find flights 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?

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

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