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$240+ Cheap flights from Irvine, CA 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Sofia are usually found in November or February, booked 35 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Irvine to Sofia

Keep the following information in mind while searching for Irvine to Sofia flight deals. Data was last updated June 26, 2025.

Round-trip from

$658
(Kiwi.com)

One-way from

$258
(Norse)

Popular in

June

Cheapest in

November

Average price

$1,303
From Irvine to Sofia
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One-way flight from Irvine to Sofia
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Highest demand for flights based on searches. 22% potential increase in price ($242 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Irvine to Sofia

Cheapest flights from Irvine to Sofia
Explore the most affordable flight options available from Irvine to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/25. 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 8/56:50 pmLAX - SOF
1 stop35h 30mMultiple Airlines
Sun 9/216:00 pmSOF - LAX
1 stop28h 30mMultiple Airlines
Deal found 6/25$658
This Austrian Airlines deal was found by Cheapflights users on 6/25. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/203:05 pmLAX - SOF
1 stop14h 15mAustrian Airlines
Sat 8/238:00 amSOF - LAX
1 stop15h 05mAustrian Airlines
Deal found 6/25$660
This FlightHub deal was found by Cheapflights users on 6/25. 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.
Fri 7/2511:55 pmLAX - SOF
2 stops31h 15mITA Airways
Sun 8/246:00 pmSOF - LAX
1 stop29h 15mITA Airways
Deal found 6/25$661
This deal was found by Cheapflights users on 6/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:40 pmLAX - SOF
1 stop18h 10mLufthansa
Sat 8/236:00 amSOF - LAX
1 stop19h 15mLufthansa
Deal found 6/25$668
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/248:50 amLAX - SOF
2 stops28h 10mUnited Airlines
Sun 8/248:00 amSOF - LAX
1 stop15h 05mUnited Airlines
Deal found 6/25$669
This Orbitz deal was found by Cheapflights users on 6/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:30 amLAX - SOF
2 stops18h 30mAir Canada
Wed 9/106:15 amSOF - LAX
2 stops25h 20mAir Canada
Deal found 6/25$682
This British Airways deal was found by Cheapflights users on 6/25. 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 9/305:00 pmLAX - SOF
2 stops17h 40mBritish Airways
Sat 11/1512:05 pmSOF - LAX
1 stop18h 20mBritish Airways
Deal found 6/25$705
This FlightHub deal was found by Cheapflights users on 6/26. 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 7/2312:10 amLAX - SOF
1 stop34h 15mTurkish Airlines
Tue 9/23:35 pmSOF - LAX
1 stop36h 25mTurkish Airlines
Deal found 6/26$720
This SWISS deal was found by Cheapflights users on 6/26. 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 9/277:35 pmLAX - SOF
1 stop33h 10mSWISS
Sat 10/1110:50 amSOF - LAX
1 stop15h 40mSWISS
Deal found 6/26$757

Cheapflights Fare Finder

Customize your flight search to find flights from Irvine 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 June 26, 2025.
Use the filters below to find and compare flights from Irvine to Sofia that are best for you.

Fly from

Irvine

Fly to

Sofia

Route

Depart

Return

Price

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Tue 8/5

6:50 pm-4:20 pm

1 stop35h 30m

Sofia

Sun 9/21

6:00 pm-12:30 pm

1 stop28h 30m

$658

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Sun 7/20

3:05 pm-3:20 pm

1 stop14h 15m

Sofia

Sat 8/23

8:00 am-1:05 pm

1 stop15h 05m

$660

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Fri 7/25

11:55 pm-5:10 pm

2 stops31h 15m

Sofia

Sun 8/24

6:00 pm-1:15 pm

1 stop29h 15m

$661

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Thu 7/24

6:40 pm-10:50 pm

1 stop18h 10m

Sofia

Sat 8/23

6:00 am-3:15 pm

1 stop19h 15m

$668

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Thu 7/24

8:50 am-11:00 pm

2 stops28h 10m

Sofia

Sun 8/24

8:00 am-1:05 pm

1 stop15h 05m

$669

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Tue 8/5

7:30 am-12:00 pm

2 stops18h 30m

Sofia

Wed 9/10

6:15 am-9:35 pm

2 stops25h 20m

$682

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Tue 9/30

5:00 pm-8:40 pm

2 stops17h 40m

Sofia

Sat 11/15

12:05 pm-8:25 pm

1 stop18h 20m

$705

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Wed 7/23

12:10 am-8:25 pm

1 stop34h 15m

Sofia

Tue 9/2

3:35 pm-6:00 pm

1 stop36h 25m

$720

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Sat 9/27

7:35 pm-2:45 pm

1 stop33h 10m

Sofia

Sat 10/11

10:50 am-4:30 pm

1 stop15h 40m

$757

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Fri 10/10

9:25 pm-12:45 pm

1 stop29h 20m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 18 results
1
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Best time to book a flight from Irvine to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Irvine 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 Irvine to Sofia

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

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Sofia. Price data was last updated on June 20, 2025.

To ensure you get the cheapest price possible for a flight from Irvine to Sofia, you should look to book at least 35 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 Irvine to Sofia?

Currently, November is the cheapest month in which you can book a flight from Irvine to Sofia (average of $632). Flying from Irvine to Sofia in June is currently the most expensive (average of $1,192). 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 IR9 to SOF?

Find hourly flight availability from Irvine 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 June 26, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to Sofia as you normally would.

What is the cheapest day to fly from Irvine to Sofia?

Use this chart to determine the cheapest time to fly round-trip from Irvine to Sofia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Irvine to Sofia flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Irvine 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 June 26, 2025.
See what other customers who have flown with LOT, Austrian Airlines, and SWISS from Irvine to Sofia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,083 reviews

Boarding

7.6

Entertainment

7.0

Comfort

7.5

Food

7.2

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
LOT
7.6
Good
1,083 reviews
LOT
7.6
Good
1,083 reviews

Boarding

7.6

Entertainment

7.0

Comfort

7.5

Food

7.2

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Austrian Airlines
7.6
Good
805 reviews
LOT
7.6
Good
1,083 reviews

Boarding

7.6

Entertainment

7.0

Comfort

7.5

Food

7.2

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
SWISS
7.5
Good
1,649 reviews
LOT
7.6
Good
1,083 reviews

Boarding

7.6

Entertainment

7.0

Comfort

7.5

Food

7.2

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
United Airlines
7.4
Good
8,838 reviews
LOT
7.6
Good
1,083 reviews

Boarding

7.6

Entertainment

7.0

Comfort

7.5

Food

7.2

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Turkish Airlines
7.3
Good
3,876 reviews
LOT
7.6
Good
1,083 reviews

Boarding

7.6

Entertainment

7.0

Comfort

7.5

Food

7.2

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.

Related info for your journey

Find useful and relevant information for your journey from Irvine 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 Irvine?

    Located just 4.2 mi from the city center, Sofia is the airport most travelers will use when flying to Sofia from Irvine. Booking flights from Irvine to Sofia (SOF) should be relatively easy as there are 0 daily inbound flights from Irvine from 8 different airlines.

  • What are the cheapest airlines to fly from Irvine to Sofia one-way?

    One-way options have recently been found by users for as low as $491 on United Airlines. Other airlines that offer cheap prices include ITA Airways from $509 and American Airlines from $539 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Irvine 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 Irvine to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Irvine to Sofia (average of $632). Flying from Irvine to Sofia in June is currently the most expensive (average of $1,192). 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 8 airlines flying from Irvine to Sofia

Discover the top 8 airlines that operate flights from Irvine 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 June 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$530Average$1,288FlexibilityNo cancel feeOn-time81%
LOTCheapest$571Average$1,024FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$579Average$924FlexibilityNo cancel feeOn-time70%
KLMCheapest$588Average$817FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$597Average$711FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$622Average$848FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$637Average$1,021FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$670Average$920FlexibilityNo cancel feeOn-time78%

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