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Sofia

$407+ Cheap flights from Irving, TX to Sofia (SOF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SOF
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 13, 2025.

This United Airlines deal was found by Cheapflights users on 11/11. 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.
Tue 12/99:07 amDFW - SOF
2 stops20h 08mUnited Airlines
Wed 12/242:25 pmSOF - DFW
2 stops28h 49mUnited Airlines
Deal found 11/11$683
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Tue 12/95:07 pmDFW - SOF
2 stops21h 38mUnited Airlines
Mon 12/222:20 pmSOF - DFW
1 stop32h 05mUnited Airlines
Deal found 11/11$696
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Tue 12/95:07 pmDFW - SOF
2 stops21h 38mUnited Airlines
Tue 12/232:15 pmSOF - DFW
2 stops38h 03mUnited Airlines
Deal found 11/11$702
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Tue 12/912:10 pmDFW - SOF
2 stops17h 05mUnited Airlines
Sun 12/212:25 pmSOF - DFW
1 stop32h 00mUnited Airlines
Deal found 11/11$747
This British Airways deal was found by Cheapflights users on 11/11. 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
Wed 12/249:00 pmSOF - DFW
1 stop30h 10mBritish Airways
Deal found 11/11$758
This United Airlines deal was found by Cheapflights users on 11/11. 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 12/712:10 pmDFW - SOF
2 stops22h 10mUnited Airlines
Wed 12/242:25 pmSOF - DFW
2 stops28h 49mUnited Airlines
Deal found 11/11$783
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Wed 12/32:21 pmDFW - SOF
2 stops19h 59mUnited Airlines
Wed 12/172:25 pmSOF - DFW
2 stops27h 23mUnited Airlines
Deal found 11/11$792
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 12/117:00 amDFW - SOF
2 stops31h 45mUnited Airlines
Wed 12/242:00 pmSOF - DFW
2 stops17h 35mUnited Airlines
Deal found 11/11$794
This United Airlines deal was found by Cheapflights users on 11/11. 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
1 stop32h 05mUnited Airlines
Deal found 11/11$797
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 12/117:00 amDFW - SOF
2 stops31h 45mUnited Airlines
Thu 12/252:35 pmSOF - DFW
2 stops28h 39mUnited Airlines
Deal found 11/11$798
This Ovago deal was found by Cheapflights users on 11/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:26 pmDFW - SOF
2 stops19h 54mLufthansa
Tue 12/27:05 pmSOF - DFW
2 stops35h 40mLufthansa
Deal found 11/12$799

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 13, 2025.

Round-trip from

$566
(FlightHub)

One-way from

$407
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,067
From Irving to Sofia
Search Deals
One-way flight from Irving to Sofia
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($315 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 13, 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

Wed 4/15

9:30 pm-8:45 am

1 stop27h 15m

Sofia

Wed 4/29

3:50 pm-7:35 pm

1 stop35h 45m

$593

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Thu 4/2

9:30 pm-8:45 am

1 stop27h 15m

Sofia

Thu 4/9

9:05 pm-12:45 pm

1 stop23h 40m

$593

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Wed 2/11

8:25 pm-8:50 pm

1 stop16h 25m

Sofia

Wed 2/25

9:35 am-6:40 pm

1 stop17h 05m

$597

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Sat 2/14

7:00 am-8:50 pm

2 stops29h 50m

Sofia

Sat 2/28

9:35 am-10:59 pm

2 stops21h 24m

$604

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Mon 3/16

7:30 pm-10:45 pm

2 stops20h 15m

Sofia

Mon 3/30

12:50 pm-6:25 pm

2 stops37h 35m

$617

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Thu 4/2

12:00 pm-11:10 pm

2 stops27h 10m

Sofia

Thu 4/9

6:10 am-6:25 pm

2 stops20h 15m

$645

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Sun 4/12

7:15 am-11:10 pm

2 stops31h 55m

Sofia

Sun 4/26

6:10 am-11:02 pm

2 stops24h 52m

$693

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Wed 12/10

9:55 am-10:45 pm

2 stops28h 50m

Sofia

Tue 12/23

2:15 pm-8:18 pm

2 stops38h 03m

$702

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Sat 2/28

8:35 pm-8:50 pm

1 stop16h 15m

Sofia

Wed 3/4

9:35 am-6:40 pm

1 stop17h 05m

$707

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Fri 4/10

12:16 pm-6:40 pm

2 stops22h 24m

Sofia

Sun 4/26

6:10 am-9:24 pm

2 stops47h 14m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 18 results
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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 November 7, 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 $540). Flying from Irving to Sofia in June is currently the most expensive (average of $930). 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 13, 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 13, 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
9,015 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

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
9,015 reviews
United Airlines
7.4
Good
9,015 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

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
4,043 reviews
United Airlines
7.4
Good
9,015 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

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
7,570 reviews
United Airlines
7.4
Good
9,015 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

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 27h 15m. Fly via Turkish Airlines to get the fastest option. There are 5994 mi between Irving and Sofia.

  • 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 $540). Flying from Irving to Sofia in June is currently the most expensive (average of $930). 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

Browse thousands of different options on Cheapflights for your next trip

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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 13, 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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