What are the cheapest airlines flying from Las Vegas to Sofia round-trip?

Flying on United Airlines is currently your cheapest option to Sofia, with prices starting at $802. Additional round-trip tickets that might be worth considering are offered by SWISS and Lufthansa, with the lowest prices starting at $820 and $841, respectively. United Airlines is priced at 15% lower than the current average price of a flight leaving 3 months from now.

What are the most popular airlines that fly from Las Vegas to Sofia?

Before booking your flight from Las Vegas to Sofia check out the most popular airlines for this route: Air Canada, British Airways or Condor.

What is the cheapest day to fly round-trip from Las Vegas to Sofia?

Monday flights are generally found to be more expensive for flights from Las Vegas to Sofia. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sofia.

How far in advance should I book a flight from Las Vegas to Sofia?

Users have found that booking a flight from Las Vegas to Sofia at least 23 days early can save you up to 6% on average compared to booking a flight this week. If booking 23 days before your flight isn’t an option for you, users have found flights from Las Vegas to Sofia for as little as $826 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $826 for flights departing within the next 3 days.

What is the cheapest month to fly from Las Vegas to Sofia?

October can be a great time to fly to Sofia from Las Vegas with a flight ticket averaging about $954. Cheapflights users have found deals in the month of October for as cheap as $654. The most expensive prices can be found in the month of December.

Most accurate provider : When it comes to deals on Las Vegas-Sofia flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Las Vegas-Sofia flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Las Vegas-Sofia flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Las Vegas-Sofia flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Las Vegas to Sofia that include hotel bookings?

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

How can I find direct flights from Las Vegas to Sofia?

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

Can I find deals for business class flights from Las Vegas to Sofia?

Yes. Cheapflights offers flight deals from Las Vegas 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.

$796+ Flights from Las Vegas to Sofia

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Find cheap flights from Las Vegas to Sofia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Sofia are usually found in October or February, booked 71 days in advance, depart on a Thursday or Sunday and return on a Sunday

Cheap flight deals from Las Vegas to Sofia

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$796 (Gurufare)
Popular in	December
Cheapest in	October
Average price	$941

Provider with most accurate pricing for Las Vegas Harry Reid Intl-Sofia flight deals.

Search Deals

Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Sofia flights.

Search Deals

From Las Vegas Harry Reid Intl to Sofia

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Las Vegas to Sofia

Cheapest flights from Las Vegas to Sofia
Explore the most affordable flight options available from Las Vegas to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 16, 2025.

Fri 8/222:32 pmLAS - SOF

2 stops22h 28mMultiple Airlines

Mon 9/156:55 pmSOF - LAS

2 stops33h 18mMultiple Airlines

Deal found 4/16

$796

Thu 8/219:49 amLAS - SOF

3 stops22h 01mUnited Airlines

Tue 9/168:00 amSOF - LAS

2 stops25h 59mUnited Airlines

Deal found 4/16

$802

Thu 8/217:20 pmLAS - SOF

2 stops30h 40mSWISS

Mon 9/153:30 pmSOF - LAS

2 stops36h 43mSWISS

Deal found 4/16

$820

Fri 8/2211:35 amLAS - SOF

2 stops25h 25mLufthansa

Mon 9/156:15 amSOF - LAS

1 stop20h 05mLufthansa

Deal found 4/16

$841

Sat 8/238:30 pmLAS - SOF

1 stop31h 30mKLM

Tue 9/167:00 amSOF - LAS

1 stop21h 35mKLM

Deal found 4/16

$876

Fri 5/162:19 pmLAS - SOF

2 stops38h 26mTurkish Airlines

Wed 6/119:25 amSOF - LAS

2 stops23h 24mTurkish Airlines

Deal found 4/16

$933

Fri 5/1611:33 pmLAS - SOF

2 stops34h 47mBritish Airways

Wed 6/119:30 pmSOF - LAS

1 stop25h 50mBritish Airways

Deal found 4/16

$1,055

Thu 5/299:49 amLAS - SOF

2 stops17h 41mAmerican Airlines

Wed 7/99:30 pmSOF - LAS

1 stop32h 25mAmerican Airlines

Deal found 4/16

$1,248

Thu 5/297:25 amLAS - SOF

2 stops25h 10mAir Canada

Wed 7/96:15 amSOF - LAS

2 stops27h 36mAir Canada

Deal found 4/16

$1,249

Best flights from Las Vegas to Sofia
Discover carefully curated flight deals from Las Vegas to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 16, 2025.

Fri 8/222:32 pmLAS - SOF

2 stops22h 28mMultiple Airlines

Mon 9/156:55 pmSOF - LAS

2 stops33h 18mMultiple Airlines

Deal found 4/16

$796

Thu 8/219:49 amLAS - SOF

3 stops22h 01mUnited Airlines

Tue 9/168:00 amSOF - LAS

2 stops25h 59mUnited Airlines

Deal found 4/16

$802

Thu 8/217:20 pmLAS - SOF

2 stops30h 40mSWISS

Mon 9/153:30 pmSOF - LAS

2 stops36h 43mSWISS

Deal found 4/16

$820

Fri 8/2211:35 amLAS - SOF

2 stops25h 25mLufthansa

Mon 9/156:15 amSOF - LAS

1 stop20h 05mLufthansa

Deal found 4/16

$841

Sat 8/238:30 pmLAS - SOF

1 stop31h 30mKLM

Tue 9/167:00 amSOF - LAS

1 stop21h 35mKLM

Deal found 4/16

$876

Fri 5/162:19 pmLAS - SOF

2 stops38h 26mTurkish Airlines

Wed 6/119:25 amSOF - LAS

2 stops23h 24mTurkish Airlines

Deal found 4/16

$933

Fri 5/1611:33 pmLAS - SOF

2 stops34h 47mBritish Airways

Wed 6/119:30 pmSOF - LAS

1 stop25h 50mBritish Airways

Deal found 4/16

$1,055

Thu 5/299:49 amLAS - SOF

2 stops17h 41mAmerican Airlines

Wed 7/99:30 pmSOF - LAS

1 stop32h 25mAmerican Airlines

Deal found 4/16

$1,248

Thu 5/297:25 amLAS - SOF

2 stops25h 10mAir Canada

Wed 7/96:15 amSOF - LAS

2 stops27h 36mAir Canada

Deal found 4/16

$1,249

Last-minute flights from Las Vegas to Sofia
Discover last-minute flight deals from Las Vegas to Sofia. Data last updated April 16, 2025 and is based on user searches.

Mon 4/215:39 pmLAS - SOF

3 stops30h 26mMultiple Airlines

Sat 5/175:00 pmSOF - LAS

3 stops40h 55mMultiple Airlines

Deal found 4/16

$1,075

Mon 4/2112:35 pmLAS - SOF

2 stops34h 00mTurkish Airlines

Mon 5/59:25 amSOF - LAS

2 stops34h 18mTurkish Airlines

Deal found 4/16

$1,782

Mon 4/2110:00 pmLAS - SOF

1 stop36h 40mAmerican Airlines

Mon 5/58:00 pmSOF - LAS

1 stop34h 00mAmerican Airlines

Deal found 4/16

$1,964

Fri 5/162:19 pmLAS - SOF

2 stops38h 26mTurkish Airlines

Wed 6/119:25 amSOF - LAS

2 stops23h 24mTurkish Airlines

Deal found 4/16

$933

Fri 5/165:35 amLAS - SOF

2 stops31h 25mMultiple Airlines

Wed 6/115:45 amSOF - LAS

3 stops47h 53mMultiple Airlines

Deal found 4/16

$961

Fri 5/1611:33 pmLAS - SOF

2 stops34h 47mBritish Airways

Wed 6/119:30 pmSOF - LAS

1 stop25h 50mBritish Airways

Deal found 4/16

$1,055

Fri 5/169:10 pmLAS - SOF

1 stop15h 40mLufthansa

Wed 6/116:40 pmSOF - LAS

1 stop27h 25mLufthansa

Deal found 4/16

$1,084

Tue 5/208:00 amLAS - SOF

2 stops29h 00mUnited Airlines

Fri 8/18:00 amSOF - LAS

2 stops25h 57mUnited Airlines

Deal found 4/16

$1,119

Sun 5/254:05 pmLAS - SOF

1 stop35h 55mKLM

Tue 7/157:00 amSOF - LAS

1 stop21h 35mKLM

Deal found 4/16

$1,768

Thu 5/299:49 amLAS - SOF

2 stops17h 41mAmerican Airlines

Wed 7/99:30 pmSOF - LAS

1 stop32h 25mAmerican Airlines

Deal found 4/16

$1,248

Thu 5/297:25 amLAS - SOF

2 stops25h 10mAir Canada

Wed 7/96:15 amSOF - LAS

2 stops27h 36mAir Canada

Deal found 4/16

$1,249

Cheapflights Fare Finder

Use the filters below to find and compare flights from Las Vegas to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasSofia

LAS - SOF

LASSOF

Las Vegas Harry Reid Intl

Fri 8/22

2:32 pm-11:00 pm

2 stops22h 28m

Sofia

Mon 9/15

6:55 pm-6:13 pm

2 stops33h 18m

$796

Las VegasSofia

LAS - SOF

LASSOF

Las Vegas Harry Reid Intl

Thu 8/21

9:49 am-5:50 pm

3 stops22h 01m

Sofia

Tue 9/16

8:00 am-11:59 pm

2 stops25h 59m

$802

Las VegasSofia

LAS - SOF

LASSOF

Las Vegas Harry Reid Intl

Thu 8/21

7:20 pm-12:00 pm

2 stops30h 40m

Sofia

Mon 9/15

3:30 pm-6:13 pm

2 stops36h 43m

$820

Las VegasSofia

LAS - SOF

LASSOF

Las Vegas Harry Reid Intl

Fri 8/22

11:35 am-11:00 pm

2 stops25h 25m

Sofia

Mon 9/15

6:15 am-4:20 pm

1 stop20h 05m

$841

Las VegasSofia

LAS - SOF

LASSOF

Las Vegas Harry Reid Intl

Sat 8/23

8:30 pm-2:00 pm

1 stop31h 30m

Sofia

Tue 9/16

7:00 am-6:35 pm

1 stop21h 35m

$876

Las VegasSofia

LAS - SOF

LASSOF

Las Vegas Harry Reid Intl

Fri 5/16

2:19 pm-2:45 pm

2 stops38h 26m

Sofia

Wed 6/11

9:25 am-10:49 pm

2 stops23h 24m

$933

Las VegasSofia

LAS - SOF

LASSOF

Las Vegas Harry Reid Intl

Mon 5/19

7:10 am-5:50 pm

2 stops24h 40m

Sofia

Thu 6/5

6:15 am-11:55 pm

2 stops27h 40m

$1,012

Las VegasSofia

LAS - SOF

LASSOF

Las Vegas Harry Reid Intl

Fri 5/16

11:33 pm-8:20 pm

2 stops34h 47m

Sofia

Wed 6/11

9:30 pm-1:20 pm

1 stop25h 50m

$1,055

Las VegasSofia

LAS - SOF

LASSOF

Las Vegas Harry Reid Intl

Thu 5/29

9:49 am-1:30 pm

2 stops17h 41m

Sofia

Wed 7/9

9:30 pm-7:55 pm

1 stop32h 25m

$1,248

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Compare providers for flights from Las Vegas to Sofia

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Sofia in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Gurufare	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Las Vegas-Sofia flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Las Vegas-Sofia flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Las Vegas-Sofia flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Las Vegas-Sofia flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Las Vegas to Sofia

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

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

Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Las Vegas to Sofia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Las Vegas to Sofia?

Currently, November is the cheapest month in which you can book a flight from Las Vegas to Sofia (average of $632). Flying from Las Vegas 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 LAS to SOF?

It’s typically best to fly out from Las Vegas to Sofia in the afternoon. Doing so could potentially save you 15% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Las Vegas to Sofia?

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

Rainfall in Sofia 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

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

To help decide which airline to fly from Las Vegas to Sofia, see what other customers have to say about KLM, SWISS and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,326 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

KLM

7.8

Good

1,326 reviews

KLM

7.8

Good

1,326 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

SWISS

7.5

Good

1,580 reviews

KLM

7.8

Good

1,326 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

United Airlines

7.4

Good

8,665 reviews

KLM

7.8

Good

1,326 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Turkish Airlines

7.3

Good

3,767 reviews

KLM

7.8

Good

1,326 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

American Airlines

7.2

Good

10,000 reviews

KLM

7.8

Good

1,326 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Related info for your journey

What are the cheapest airlines flying from Las Vegas to Sofia round-trip?
Flying on United Airlines is currently your cheapest option to Sofia, with prices starting at $802. Additional round-trip tickets that might be worth considering are offered by SWISS and Lufthansa, with the lowest prices starting at $820 and $841, respectively. United Airlines is priced at 15% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Las Vegas to Sofia that include hotel bookings?
Yes. In addition to deals on Las Vegas to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Las Vegas to Sofia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Sofia.
Can I find deals for business class flights from Las Vegas to Sofia?
Yes. Cheapflights offers flight deals from Las Vegas 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 Las Vegas to Sofia?
Currently, November is the cheapest month in which you can book a flight from Las Vegas to Sofia (average of $632). Flying from Las Vegas 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

Complete your trip

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Top 7 airlines flying from Las Vegas to Sofia

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest$688	Average$912	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$707	Average$955	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$733	Average$1,070	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$790	Average$994	FlexibilityNo cancel fee	On-time70%
SWISS	Cheapest$800	Average$1,177	FlexibilityNo cancel fee	On-time79%
Air Canada	Cheapest$800	Average$1,096	FlexibilityNo cancel fee	On-time67%
Condor	Cheapest$902	Average$1,390	FlexibilityNo cancel fee	On-time76%

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$796+ Cheap flights from Las Vegas (LAS) 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Las Vegas to Sofia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Sofia are usually found in October or February, booked 71 days in advance, depart on a Thursday or Sunday and return on a Sunday

Cheap flight deals from Las Vegas to Sofia

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Las Vegas to Sofia

Cheapest flights from Las Vegas to SofiaExplore the most affordable flight options available from Las Vegas to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 16, 2025.

Explore the most affordable flight options available from Las Vegas to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Las Vegas to Sofia that are best for you.

Compare providers for flights from Las Vegas to Sofia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Sofia in April.

Best time to book a flight from Las Vegas to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Las Vegas with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Sofia

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

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Sofia. Price data was last updated on April 11, 2025.

What is the cheapest month to book a flight from Las Vegas to Sofia?

What is the cheapest time of day to fly from LAS to SOF?

Find hourly flight availability from Las Vegas 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 16, 2025.

What is the cheapest day to fly from Las Vegas to Sofia?

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

Rainfall in Sofia by month

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

Temperature in Sofia by month

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

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 16, 2025.

To help decide which airline to fly from Las Vegas to Sofia, see what other customers have to say about KLM, SWISS and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Las Vegas to Sofia round-trip?

Can I find deals for flights from Las Vegas to Sofia that include hotel bookings?

How can I find direct flights from Las Vegas to Sofia?

Can I find deals for business class flights from Las Vegas to Sofia?

What is the cheapest month to book a flight from Las Vegas to Sofia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.

Top 7 airlines flying from Las Vegas to Sofia

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Travel Smart

Cheapest flights from Las Vegas to Sofia
Explore the most affordable flight options available from Las Vegas to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 16, 2025.