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Sofia

$263+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SOF
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Irving to Sofia are usually found in September or October, booked 68 days in advance, depart on a Friday or Thursday and return on a Thursday

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 September 16, 2025.

Round-trip from

$527
(Kiwi.com)

One-way from

$263
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$609
From Irving to Sofia
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One-way flight from Irving to Sofia
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Highest demand for flights based on searches. 26% potential increase in price ($310 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/44:15 pmDFW - SOF
1 stop13h 30mLufthansa
Tue 11/186:00 amSOF - DFW
1 stop16h 25mLufthansa
Deal found 9/15$527
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:25 pmDFW - SOF
2 stops19h 20mLufthansa
Mon 11/176:45 pmSOF - DFW
1 stop27h 40mLufthansa
Deal found 9/14$530
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:45 pmDFW - SOF
2 stops18h 15mMultiple Airlines
Wed 11/196:10 amSOF - DFW
2 stops22h 59mMultiple Airlines
Deal found 9/16$542
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/44:15 pmDFW - SOF
1 stop13h 30mUnited Airlines
Tue 11/186:00 amSOF - DFW
1 stop16h 25mUnited Airlines
Deal found 9/15$555
This Air Canada deal was found by Cheapflights users on 9/15. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:05 amDFW - SOF
2 stops27h 15mAir Canada
Tue 11/186:00 amSOF - DFW
3 stops23h 32mAir Canada
Deal found 9/15$564
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:00 pmDFW - SOF
2 stops39h 10mAmerican Airlines
Mon 11/175:25 pmSOF - DFW
2 stops33h 39mAmerican Airlines
Deal found 9/14$566
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:25 amDFW - SOF
2 stops16h 40mMultiple Airlines
Wed 10/296:10 amSOF - DFW
2 stops21h 59mMultiple Airlines
Deal found 9/14$569
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:25 pmDFW - SOF
2 stops19h 20mLufthansa
Wed 11/197:05 pmSOF - DFW
1 stop27h 20mLufthansa
Deal found 9/16$576
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:55 pmDFW - SOF
1 stop15h 30mTurkish Airlines
Tue 10/219:25 amSOF - DFW
1 stop35h 20mTurkish Airlines
Deal found 9/16$578
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:15 pmDFW - SOF
1 stop17h 45mLufthansa
Thu 11/206:00 amSOF - DFW
1 stop16h 25mLufthansa
Deal found 9/14$579

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 September 16, 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 11/4

12:20 pm-1:15 pm

2 stops16h 55m

Sofia

Tue 11/18

6:00 am-2:25 pm

1 stop16h 25m

$555

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Tue 11/4

12:20 pm-1:15 pm

2 stops16h 55m

Sofia

Tue 11/18

6:00 am-9:09 pm

2 stops23h 09m

$555

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Tue 1/13

12:20 pm-1:45 pm

2 stops17h 25m

Sofia

Tue 1/27

6:00 am-9:09 pm

2 stops23h 09m

$556

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Wed 1/14

7:25 am-6:20 pm

2 stops26h 55m

Sofia

Wed 1/28

6:10 am-9:09 pm

2 stops22h 59m

$557

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Tue 1/13

1:15 pm-10:45 pm

2 stops25h 30m

Sofia

Tue 1/27

6:00 am-9:09 pm

2 stops23h 09m

$557

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Mon 1/12

8:46 pm-8:10 pm

2 stops39h 24m

Sofia

Mon 1/26

5:25 pm-4:20 pm

1 stop30h 55m

$562

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Wed 2/11

12:20 pm-6:00 pm

2 stops21h 40m

Sofia

Wed 2/25

6:10 am-9:59 pm

2 stops23h 49m

$567

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Wed 2/11

12:20 pm-6:00 pm

2 stops21h 40m

Sofia

Wed 2/25

2:00 pm-9:32 pm

3 stops39h 32m

$575

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Wed 11/5

5:15 am-6:20 pm

2 stops29h 05m

Sofia

Wed 11/19

2:25 pm-2:25 pm

1 stop32h 00m

$575

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Wed 1/14

1:38 pm-6:20 pm

2 stops20h 42m

Sofia

Wed 1/28

2:25 pm-2:25 pm

1 stop32h 00m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Irving to Sofia, you should look to book at least 68 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 $632). Flying from Irving to Sofia in June is currently the most expensive (average of $1,183). 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 September 16, 2025.

When flying from Irving to Sofia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Irving to Sofia?

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 September 16, 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
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,968 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,407 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 55m. Fly via United 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 $632). Flying from Irving to Sofia in June is currently the most expensive (average of $1,183). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$598Average$885FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$678Average$1,165FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$728Average$996FlexibilityNo cancel feeOn-time69%

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