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Sofia

$638+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SOF
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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Cheapflights Tip: The best prices from Irving to Sofia are usually found in October or February, booked 69 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 April 11, 2025.

Round-trip from

$638
(Booking.com)

Popular in

June

Cheapest in

October

Average price

$691
From Irving to Sofia
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($405 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 11, 2025.

This Booking.com deal was found by Cheapflights users on 4/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:00 amDFW - SOF
2 stops19h 05mMultiple Airlines
Tue 10/216:20 amSOF - DFW
2 stops23h 13mMultiple Airlines
Deal found 4/10$638
This Travelocity deal was found by Cheapflights users on 4/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:59 pmDFW - SOF
1 stop30h 31mBritish Airways
Wed 9/249:30 pmSOF - DFW
2 stops31h 56mBritish Airways
Deal found 4/10$647
This FlightHub deal was found by Cheapflights users on 4/9. 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.
Thu 10/98:55 pmDFW - SOF
1 stop27h 40mTurkish Airlines
Thu 10/239:15 pmSOF - DFW
1 stop29h 55mTurkish Airlines
Deal found 4/9$673
This Expedia deal was found by Cheapflights users on 4/10. 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.
Tue 10/73:50 pmDFW - SOF
1 stop13h 30mLufthansa
Tue 10/216:35 pmSOF - DFW
1 stop27h 30mLufthansa
Deal found 4/10$674
This United Airlines deal was found by Cheapflights users on 4/9. 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 10/93:50 pmDFW - SOF
1 stop23h 00mUnited Airlines
Thu 10/236:15 amSOF - DFW
2 stops23h 18mUnited Airlines
Deal found 4/9$693
This Mytrip deal was found by Cheapflights users on 4/9. 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 4/307:15 amDFW - SOF
2 stops27h 25mAir Canada
Wed 5/146:15 amSOF - DFW
2 stops23h 29mAir Canada
Deal found 4/9$712
This SWISS deal was found by Cheapflights users on 4/9. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/102:40 pmDFW - SOF
3 stops61h 50mSWISS
Sat 5/2410:50 amSOF - DFW
2 stops43h 55mSWISS
Deal found 4/9$1,006

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 April 11, 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 10/7

7:00 am-10:05 am

2 stops19h 05m

Sofia

Tue 10/21

6:20 am-9:33 pm

2 stops23h 13m

$638

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Wed 9/10

10:59 pm-1:30 pm

1 stop30h 31m

Sofia

Wed 9/24

9:30 pm-9:26 pm

2 stops31h 56m

$647

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Tue 10/7

3:50 pm-1:20 pm

1 stop13h 30m

Sofia

Tue 10/21

6:35 pm-2:05 pm

1 stop27h 30m

$674

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Sat 9/6

7:22 pm-8:35 am

2 stops29h 13m

Sofia

Sat 9/20

9:25 am-10:24 pm

2 stops20h 59m

$700

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Wed 4/30

7:15 am-6:40 pm

2 stops27h 25m

Sofia

Wed 5/14

6:15 am-9:44 pm

2 stops23h 29m

$712

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Thu 5/1

9:25 am-10:50 pm

2 stops29h 25m

Sofia

Wed 5/7

6:15 am-9:44 pm

2 stops23h 29m

$769

DallasSofia

DFW - SOF

DFWSOF

Dallas/Fort Worth

Sat 5/10

2:40 pm-12:30 pm

3 stops61h 50m

Sofia

Sat 5/24

10:50 am-10:45 pm

2 stops43h 55m

$1,006

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

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 April 4, 2025.

To ensure you get the cheapest price possible for a flight from Irving to Sofia, you should look to book at least 69 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 $1,243). 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 April 11, 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.

Rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

Plan your trip to Sofia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 11, 2025.
SWISS
7.5
Good
1,575 reviews

Boarding

7.6

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
SWISS
7.5
Good
1,575 reviews
SWISS
7.5
Good
1,575 reviews

Boarding

7.6

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
United Airlines
7.4
Good
8,636 reviews
SWISS
7.5
Good
1,575 reviews

Boarding

7.6

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Turkish Airlines
7.3
Good
3,753 reviews
SWISS
7.5
Good
1,575 reviews

Boarding

7.6

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Air Canada
7.0
Good
9,088 reviews
SWISS
7.5
Good
1,575 reviews

Boarding

7.6

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Lufthansa
6.7
Okay
6,986 reviews
SWISS
7.5
Good
1,575 reviews

Boarding

7.6

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

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.

  • 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 $1,243). 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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$634Average$941FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$678Average$1,198FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$728Average$1,074FlexibilityNo cancel feeOn-time69%

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