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Sofia

$580+ Cheap flights from Irving, TX to Sofia (SOF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SOF
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheapflights Tip: The best prices from Irving to Sofia are usually found in September or April, booked 39 days in advance, depart on a Friday or Thursday and return on a Thursday

Find flight deals from Irving to Sofia

Cheapest flights from Irving to Sofia
Explore the most affordable flight options available from Irving to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This British Airways deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:15 pmDFW - SOF
1 stop14h 55mBritish Airways
Mon 12/225:25 pmSOF - DFW
1 stop33h 45mBritish Airways
Deal found 11/2$630
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:25 amDFW - SOF
2 stops21h 35mUnited Airlines
Wed 12/242:25 pmSOF - DFW
2 stops28h 49mUnited Airlines
Deal found 11/2$631
This Expedia deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:37 pmDFW - SOF
2 stops16h 28mAir France
Wed 12/247:00 amSOF - DFW
2 stops22h 02mAir France
Deal found 11/2$638
This Air France deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:47 amDFW - SOF
2 stops18h 08mMultiple Airlines
Thu 12/257:00 amSOF - DFW
2 stops22h 02mMultiple Airlines
Deal found 11/2$640
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/153:45 pmDFW - SOF
2 stops42h 35mUnited Airlines
Wed 12/106:10 amSOF - DFW
2 stops23h 57mUnited Airlines
Deal found 11/2$647
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:25 amDFW - SOF
2 stops21h 35mUnited Airlines
Thu 12/252:35 pmSOF - DFW
2 stops37h 52mUnited Airlines
Deal found 11/2$655
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:25 amDFW - SOF
2 stops21h 35mUnited Airlines
Tue 12/232:00 pmSOF - DFW
2 stops55h 35mUnited Airlines
Deal found 11/2$660
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:25 amDFW - SOF
2 stops21h 35mUnited Airlines
Mon 12/222:20 pmSOF - DFW
2 stops37h 58mUnited Airlines
Deal found 11/2$661
This Cheapflightsfares deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:28 pmDFW - SOF
2 stops22h 17mLufthansa
Sun 11/236:10 amSOF - DFW
1 stop16h 15mLufthansa
Deal found 11/2$665
This KAYAK deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/159:15 pmDFW - SOF
1 stop35h 05mBritish Airways
Wed 12/109:00 pmSOF - DFW
1 stop30h 10mBritish Airways
Deal found 11/2$668

Cheap flight deals from Irving to Sofia

Keep the following information in mind while searching for Irving to Sofia flight deals. Data was last updated November 3, 2025.

Round-trip from

$554
(oojo)

Popular in

June

Cheapest in

September

Average price

$918
From Irving to Sofia
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($316 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irving 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, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Irving to Sofia that are best for you.

Fly from

Irving

Fly to

Sofia

Route

Depart

Return

Price

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Tue 4/21

3:50 pm-6:00 pm

1 stop18h 10m

Sofia

Thu 4/30

6:10 am-2:05 pm

1 stop15h 55m

$580

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Tue 4/21

11:25 am-12:05 pm

2 stops16h 40m

Sofia

Thu 4/30

6:10 am-2:05 pm

1 stop15h 55m

$584

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Sat 1/31

7:00 am-8:45 am

2 stops17h 45m

Sofia

Sat 2/14

9:35 am-6:40 pm

1 stop17h 05m

$589

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Thu 4/2

9:30 pm-3:00 pm

1 stop33h 30m

Sofia

Thu 4/9

9:05 pm-7:35 pm

1 stop30h 30m

$593

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Mon 2/16

8:35 pm-8:50 pm

1 stop16h 15m

Sofia

Mon 2/23

9:35 am-6:40 pm

1 stop17h 05m

$596

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Mon 2/16

7:05 am-1:25 pm

3 stops22h 20m

Sofia

Mon 2/23

6:45 pm-9:39 pm

2 stops34h 54m

$617

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Tue 4/21

10:15 am-1:15 pm

2 stops19h 00m

Sofia

Thu 4/30

12:50 pm-6:56 pm

3 stops38h 06m

$621

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Mon 3/2

1:10 pm-1:15 pm

2 stops16h 05m

Sofia

Mon 3/16

6:10 am-3:25 pm

1 stop16h 15m

$634

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Thu 4/2

7:05 am-6:40 pm

2 stops27h 35m

Sofia

Thu 4/9

12:50 pm-8:55 pm

2 stops40h 05m

$638

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Sun 12/7

7:25 am-1:00 pm

2 stops21h 35m

Sofia

Thu 12/25

2:35 pm-8:27 pm

2 stops37h 52m

$655

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 15 results
1
2

Best time to book a flight from Irving to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Irving with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Irving to Sofia

How far ahead should I book a flight from Irving to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Irving to Sofia. Price data was last updated on October 31, 2025.

To ensure you get the cheapest price possible for a flight from Irving to Sofia, you should look to book at least 39 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Irving to Sofia?

Currently, November is the cheapest month in which you can book a flight from Irving to Sofia (average of $553). Flying from Irving to Sofia in June is currently the most expensive (average of $934). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from 1RV to SOF?

Find hourly flight availability from Irving to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

It’s optimal to fly from Irving to Sofia at noon. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated November 3, 2025.
Peruse reviews from past customers who have flown with United Airlines, Turkish Airlines, and Lufthansa from Irving to Sofia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,997 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Turkish Airlines
7.3
Good
4,038 reviews
United Airlines
7.4
Good
8,997 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,544 reviews
United Airlines
7.4
Good
8,997 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Irving to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Irving?

    Located just 4.2 mi from the city center, Sofia is the airport most travelers will use when flying to Sofia from Irving. Booking flights from Irving to Sofia (SOF) should be relatively easy as there are 0 daily inbound flights from Irving from 3 different airlines.

  • How long is the flight from Irving to Sofia?

    There are many flights that can get you from Irving to Sofia in 16h 40m. Fly via Lufthansa, United Airlines, or Turkish Airlines to get the fastest option. There are 5994 mi between Irving and Sofia. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Irving to Sofia that include hotel bookings?

    Yes. In addition to deals on Irving to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Irving to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irving to Sofia.

  • Can I find deals for business class flights from Irving to Sofia?

    Yes. Cheapflights offers flight deals from Irving to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Irving to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Irving to Sofia (average of $553). Flying from Irving to Sofia in June is currently the most expensive (average of $934). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from Irving to Sofia

Discover the top 3 airlines that operate flights from Irving to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$597Average$1,009FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$632Average$1,107FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$728Average$959FlexibilityNo cancel feeOn-time69%

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