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$274+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
oct.. 15 — oct.. 221
dc. 10/15
dc. 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Sofia are usually found in February or November, booked 62 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 setembre 15, 2025.

Round-trip from

$584
(Kiwi.com)

One-way from

$274
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$727
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. 21% potential increase in price ($227 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($43 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 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 setembre 15, 2025.

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.
dj. 11/61:00 pmLAX - SOF
1 stop26h 30mMultiple Airlines
dj. 11/208:15 pmSOF - LAX
2 stops58h 10mMultiple Airlines
Deal found 9/14$584
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dl. 10/137:55 pmLAX - SOF
1 stop38h 30mTurkish Airlines
dl. 10/209:15 pmSOF - LAX
1 stop30h 45mTurkish Airlines
Deal found 9/14$589
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ds. 9/277:55 pmLAX - SOF
1 stop32h 50mTurkish Airlines
dc. 10/19:15 pmSOF - LAX
1 stop24h 30mTurkish Airlines
Deal found 9/14$598
This Gotogate deal was found by Cheapflights users on 9/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dt. 10/146:00 amLAX - SOF
2 stops25h 50mMultiple Airlines
dt. 10/286:00 amSOF - LAX
1 stop17h 05mMultiple Airlines
Deal found 9/13$600
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dj. 11/65:30 pmLAX - SOF
1 stop19h 15mUnited Airlines
dj. 11/206:00 amSOF - LAX
2 stops24h 50mUnited Airlines
Deal found 9/14$601
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
dv. 12/262:15 pmLAX - SOF
2 stops22h 30mLufthansa
dv. 1/166:10 amSOF - LAX
1 stop16h 55mLufthansa
Deal found 9/13$603
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dt. 10/77:35 pmLAX - SOF
1 stop28h 30mMultiple Airlines
dt. 10/146:20 amSOF - LAX
2 stops25h 08mMultiple Airlines
Deal found 9/14$604
This Air Canada deal was found by Cheapflights users on 9/13. 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.
dv. 11/288:20 amLAX - SOF
2 stops23h 55mAir Canada
dv. 12/126:10 amSOF - LAX
2 stops24h 58mAir Canada
Deal found 9/13$605
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dv. 12/262:15 pmLAX - SOF
2 stops22h 30mUnited Airlines
dj. 1/156:00 amSOF - LAX
1 stop17h 05mUnited Airlines
Deal found 9/14$610
This Air Canada deal was found by Cheapflights users on 9/13. 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.
dl. 10/276:30 amLAX - SOF
2 stops21h 55mAir Canada
dl. 11/102:20 pmSOF - LAX
2 stops30h 12mAir Canada
Deal found 9/13$612

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 setembre 15, 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

dc. 3/4

2:08 pm-6:20 pm

2 stops18h 12m

Sofia

dl. 3/16

7:05 pm-2:05 pm

2 stops28h 00m

$584

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

dg. 1/11

12:30 am-1:25 pm

2 stops26h 55m

Sofia

dl. 1/26

2:20 pm-7:27 pm

2 stops39h 07m

$586

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

dj. 1/15

3:30 pm-11:15 am

1 stop33h 45m

Sofia

dl. 1/19

5:25 pm-1:30 pm

1 stop30h 05m

$598

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

dj. 11/6

5:30 pm-10:45 pm

1 stop19h 15m

Sofia

dj. 11/20

6:00 am-8:50 pm

2 stops24h 50m

$601

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

dj. 3/12

6:30 pm-10:45 pm

1 stop19h 15m

Sofia

dj. 3/26

6:00 am-11:44 am

2 stops38h 44m

$602

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

dj. 3/12

6:30 pm-10:45 pm

1 stop19h 15m

Sofia

dj. 3/26

6:00 am-8:50 pm

2 stops23h 50m

$602

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

dv. 1/16

5:30 pm-6:20 pm

1 stop14h 50m

Sofia

dv. 1/30

6:10 am-8:50 pm

2 stops24h 40m

$602

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

dg. 1/11

8:15 am-6:20 pm

2 stops24h 05m

Sofia

dg. 1/25

6:10 am-6:01 pm

2 stops21h 51m

$603

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

dt. 1/13

8:40 am-10:45 pm

2 stops28h 05m

Sofia

dt. 1/27

6:00 am-1:05 pm

1 stop17h 05m

$605

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

dg. 11/2

4:10 pm-10:45 pm

2 stops20h 35m

Sofia

dg. 11/16

6:10 am-11:48 am

2 stops39h 38m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 19 results
1
2

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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Irvine to Sofia, you should look to book at least 62 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 $1,185). 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 setembre 15, 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.

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 setembre 15, 2025.
See what other customers who have flown with Austrian Airlines, United Airlines, and Turkish Airlines 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.
Austrian Airlines
7.6
Good
850 reviews

Boarding

7.6

Comfort

7.3

Crew

8.1

Overall

7.6

Food

6.8

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
850 reviews
Austrian Airlines
7.6
Good
850 reviews

Boarding

7.6

Comfort

7.3

Crew

8.1

Overall

7.6

Food

6.8

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
United Airlines
7.4
Good
8,929 reviews
Austrian Airlines
7.6
Good
850 reviews

Boarding

7.6

Comfort

7.3

Crew

8.1

Overall

7.6

Food

6.8

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Turkish Airlines
7.3
Good
3,968 reviews
Austrian Airlines
7.6
Good
850 reviews

Boarding

7.6

Comfort

7.3

Crew

8.1

Overall

7.6

Food

6.8

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Lufthansa
6.8
Okay
7,407 reviews
Austrian Airlines
7.6
Good
850 reviews

Boarding

7.6

Comfort

7.3

Crew

8.1

Overall

7.6

Food

6.8

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
British Airways
6.7
Okay
7,361 reviews
Austrian Airlines
7.6
Good
850 reviews

Boarding

7.6

Comfort

7.3

Crew

8.1

Overall

7.6

Food

6.8

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

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.

  • How long is the flight from Irvine to Sofia?

    A quick flight from Irvine to Sofia can take about 18h 12m. Lufthansa provides one of the quickest options available for as low as $584. The distance from Irvine to Sofia is about 6613 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $1,185). 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 setembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$530Average$1,288FlexibilityNo cancel feeOn-time81%
LOTCheapest$535Average$1,050FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$578Average$707FlexibilityNo cancel feeOn-time77%
KLMCheapest$588Average$820FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$610Average$842FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$641Average$966FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$650Average$949FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$676Average$1,027FlexibilityNo cancel feeOn-time69%

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