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Cheap flights from Houston George Bush Intcntl Airport to Sofia from $373

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 George Bush Intcntl Airport to Sofia departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
9:10 pm - 8:20 pm
IAH
-
SOF
15h 10m
1 stop
Turkish Airlines Logo
9:10 pm - 7:15 pm
SOF
-
IAH
30h 05m
1 stop
$689Turkish Airlines
Mon, Sep 7 - Wed, Sep 30
Turkish Airlines Logo
2:30 pm - 8:20 pm
IAH
-
SOF
21h 50m
1 stop
Turkish Airlines Logo
1:05 pm - 7:15 pm
SOF
-
IAH
38h 10m
1 stop
$699Turkish Airlines
Mon, Sep 7 - Sun, Oct 4
Turkish Airlines Logo
9:10 pm - 8:20 pm
IAH
-
SOF
15h 10m
1 stop
Turkish Airlines Logo
9:35 am - 7:15 pm
SOF
-
IAH
17h 40m
1 stop
$799Turkish Airlines
Sun, Sep 6 - Tue, Sep 15
Turkish Airlines Logo
9:10 pm - 8:45 am
IAH
-
SOF
27h 35m
1 stop
Turkish Airlines Logo
9:35 am - 7:15 pm
SOF
-
IAH
17h 40m
1 stop
$829Turkish Airlines
Tue, Sep 1 - Mon, Sep 21
United Airlines Logo
4:35 pm - 6:20 pm
IAH
-
SOF
17h 45m
1 stop
United Airlines Logo
6:25 am - 6:15 pm
SOF
-
IAH
19h 50m
1 stop
$834United Airlines
Sun, Dec 27 - Thu, Dec 31
United Airlines Logo
4:35 pm - 10:45 pm
IAH
-
SOF
22h 10m
1 stop
United Airlines Logo
6:25 am - 9:34 pm
SOF
-
IAH
23h 09m
2 stops
$837United Airlines
Sun, Dec 27 - Wed, Jan 6
United Airlines Logo
7:55 am - 1:15 pm
IAH
-
SOF
21h 20m
2 stops
United Airlines Logo
6:25 am - 6:15 pm
SOF
-
IAH
19h 50m
1 stop
$838United Airlines
Mon, Dec 28 - Thu, Dec 31
Turkish Airlines Logo
9:15 pm - 8:45 am
IAH
-
SOF
27h 30m
1 stop
Turkish Airlines Logo
9:35 am - 7:20 pm
SOF
-
IAH
17h 45m
1 stop
$839Turkish Airlines
Tue, Sep 1 - Mon, Sep 21
United Airlines Logo
12:50 pm - 6:20 pm
IAH
-
SOF
21h 30m
2 stops
United Airlines Logo
6:25 am - 9:34 pm
SOF
-
IAH
23h 09m
2 stops
$842United Airlines
Mon, Dec 28 - Wed, Jan 6
United Airlines Logo
6:50 pm - 11:00 pm
IAH
-
SOF
20h 10m
1 stop
United Airlines Logo
6:25 am - 6:15 pm
SOF
-
IAH
19h 50m
1 stop
$845United Airlines
Mon, Dec 28 - Thu, Dec 31

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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
Dec 27
IAH4:35 pmHouston George Bush Intcntl
17h 45m
1 stop
SOF6:20 pmSofia
Dec 31
SOF6:25 amSofia
19h 50m
1 stop
IAH6:15 pmHouston George Bush Intcntl
$834
United Airlines
Dec 27
IAH4:35 pmHouston George Bush Intcntl
17h 45m
1 stop
SOF6:20 pmSofia
Dec 31
SOF6:25 amSofia
23h 09m
2 stops
IAH9:34 pmHouston George Bush Intcntl
$837
United Airlines
Dec 28
IAH7:55 amHouston George Bush Intcntl
21h 20m
2 stops
SOF1:15 pmSofia
Dec 31
SOF6:25 amSofia
19h 50m
1 stop
IAH6:15 pmHouston George Bush Intcntl
$838

British Airways flights from Houston George Bush Intcntl Airport to Sofia

Our best British Airways deals on Houston George Bush Intcntl Airport to Sofia flight tickets
British Airways
Dec 27
IAH3:50 pmHouston George Bush Intcntl
16h 30m
1 stop
SOF4:20 pmSofia
Jan 6
SOF9:05 pmSofia
30h 50m
1 stop
IAH7:55 pmHouston George Bush Intcntl
$886
British Airways
Sep 1
IAH1:01 pmHouston George Bush Intcntl
23h 29m
2 stops
SOF8:30 pmSofia
Sep 21
SOF8:10 pmSofia
25h 15m
1 stop
IAH1:25 pmHouston George Bush Intcntl
$920

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 24, 2026.
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

Cheapest round-trip

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 9/7

9:10 pm-8:20 pm

1 stop15h 10m

Sofia

Wed 9/30

9:10 pm-7:15 pm

1 stop30h 05m

$689

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 9/7

2:30 pm-8:20 pm

1 stop21h 50m

Sofia

Sun 10/4

1:05 pm-7:15 pm

1 stop38h 10m

$699
Quickest round-trip

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 9/6

9:10 pm-8:20 pm

1 stop15h 10m

Sofia

Tue 9/15

9:35 am-7:15 pm

1 stop17h 40m

$799

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 9/1

9:10 pm-8:45 am

1 stop27h 35m

Sofia

Mon 9/21

9:35 am-7:15 pm

1 stop17h 40m

$829

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 12/27

4:35 pm-6:20 pm

1 stop17h 45m

Sofia

Thu 12/31

6:25 am-6:15 pm

1 stop19h 50m

$834

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Sun 12/27

4:35 pm-10:45 pm

1 stop22h 10m

Sofia

Wed 1/6

6:25 am-9:34 pm

2 stops23h 09m

$837

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 12/28

7:55 am-1:15 pm

2 stops21h 20m

Sofia

Thu 12/31

6:25 am-6:15 pm

1 stop19h 50m

$838

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Tue 9/1

9:15 pm-8:45 am

1 stop27h 30m

Sofia

Mon 9/21

9:35 am-7:20 pm

1 stop17h 45m

$839

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 12/28

12:50 pm-6:20 pm

2 stops21h 30m

Sofia

Wed 1/6

6:25 am-9:34 pm

2 stops23h 09m

$842

HoustonSofia

IAH - SOF

IAHSOF

Houston George Bush Intcntl

Mon 12/28

6:50 pm-11:00 pm

1 stop20h 10m

Sofia

Thu 12/31

6:25 am-6:15 pm

1 stop19h 50m

$845

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Sofia from

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

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 $823 to $990.
The lowest price recently found on this route was $689.

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 $622, 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 October instead. Flights to Sofia in October, while not as cheap as those in January, still average around $629.

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

You could potentially save up to 7% 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 05m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Sofia takes 15h 05m
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

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Sofia

  • 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 05m, 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?

  • 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?

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
Turkish AirlinesPriceFrom $593Free CancellationRating
7.4
4,451 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $606Free CancellationRating
6.8
8,159 reviews
Search Lufthansa flights
United AirlinesPriceFrom $740Free CancellationRating
7.4
10,026 reviews
Search United Airlines flights

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
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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