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$367+ Cheap flights from Incheon Intl (ICN) to Las Vegas (LAS)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LAS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Incheon Intl to Las Vegas Harry Reid Intl are usually found in November or October, booked 36 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from Incheon Intl to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$548
(Alaska Airlines)

One-way from

$367
(Trip.com)

Popular in

January

Cheapest in

November

Average price

$1,198

Good round-trip deal

$1,109 or less

Good one-way deal

$601 or less
From Incheon Intl to Las Vegas Harry Reid Intl
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One-way flight from Incheon Intl to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 13% potential increase in price ($158 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Incheon Intl to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from Incheon Intl to Las Vegas Harry Reid Intl.
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Find flight deals from Incheon Intl to Las Vegas

Cheapest flights from Incheon Intl to Las Vegas
Explore the most affordable flight options available from Incheon Intl to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:35 pmICN - LAS
2 stops29h 57mAlaska Airlines
Thu 10/29:52 pmLAS - ICN
2 stops28h 43mAlaska Airlines
Deal found 8/13$548
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:35 pmICN - LAS
2 stops29h 55mAlaska Airlines
Wed 1/145:50 pmLAS - ICN
2 stops31h 45mAlaska Airlines
Deal found 8/14$550
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:35 pmICN - LAS
2 stops35h 14mAlaska Airlines
Wed 9/247:52 pmLAS - ICN
2 stops30h 43mAlaska Airlines
Deal found 8/14$558
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/158:35 pmICN - LAS
2 stops29h 57mAlaska Airlines
Fri 9/199:52 pmLAS - ICN
2 stops29h 08mAlaska Airlines
Deal found 8/14$559
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:35 pmICN - LAS
2 stops35h 14mAlaska Airlines
Mon 10/2010:20 pmLAS - ICN
2 stops28h 40mAlaska Airlines
Deal found 8/13$563
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:35 pmICN - LAS
2 stops35h 14mAlaska Airlines
Sat 9/276:10 amLAS - ICN
2 stops20h 25mAlaska Airlines
Deal found 8/12$564
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/279:25 pmICN - LAS
2 stops30h 12mAlaska Airlines
Thu 10/308:51 pmLAS - ICN
2 stops29h 44mAlaska Airlines
Deal found 8/13$570
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:35 pmICN - LAS
2 stops32h 02mAlaska Airlines
Thu 11/206:01 amLAS - ICN
2 stops20h 24mAlaska Airlines
Deal found 8/12$571
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/158:35 pmICN - LAS
2 stops28h 50mAlaska Airlines
Sat 9/206:10 amLAS - ICN
2 stops20h 50mAlaska Airlines
Deal found 8/14$572
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:35 pmICN - LAS
2 stops35h 14mAlaska Airlines
Fri 9/269:52 pmLAS - ICN
2 stops28h 43mAlaska Airlines
Deal found 8/14$573
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:35 pmICN - LAS
1 stop35h 14mAlaska Airlines
Sat 9/277:52 pmLAS - ICN
2 stops30h 43mAlaska Airlines
Deal found 8/14$574
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:35 pmICN - LAS
2 stops31h 02mAlaska Airlines
Fri 10/316:02 pmLAS - ICN
2 stops32h 33mAlaska Airlines
Deal found 8/13$577

Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl to Las Vegas 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 August 14, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Las Vegas that are best for you.

Fly from

Incheon Intl

Fly to

Las Vegas

Route

Depart

Return

Price

IncheonLas Vegas

ICN - LAS

ICNLAS

Incheon Intl

Mon 9/22

8:35 pm-3:49 pm

2 stops35h 14m

Las Vegas Harry Reid Intl

Wed 9/24

7:52 pm-6:35 pm

2 stops30h 43m

$558

IncheonLas Vegas

ICN - LAS

ICNLAS

Incheon Intl

Mon 9/15

9:25 pm-10:32 am

1 stop29h 07m

Las Vegas Harry Reid Intl

Fri 9/19

9:52 pm-7:00 pm

2 stops29h 08m

$559

IncheonLas Vegas

ICN - LAS

ICNLAS

Incheon Intl

Mon 10/27

9:25 pm-11:37 am

2 stops30h 12m

Las Vegas Harry Reid Intl

Thu 10/30

8:51 pm-6:35 pm

2 stops29h 44m

$570

IncheonLas Vegas

ICN - LAS

ICNLAS

Incheon Intl

Mon 10/13

8:35 pm-12:48 pm

2 stops32h 13m

Las Vegas Harry Reid Intl

Mon 10/20

10:20 pm-7:00 pm

2 stops28h 40m

$571

IncheonLas Vegas

ICN - LAS

ICNLAS

Incheon Intl

Sun 9/14

8:35 pm-9:25 am

2 stops28h 50m

Las Vegas Harry Reid Intl

Tue 9/23

7:52 pm-6:35 pm

2 stops30h 43m

$571

IncheonLas Vegas

ICN - LAS

ICNLAS

Incheon Intl

Mon 11/17

8:35 pm-11:37 am

2 stops32h 02m

Las Vegas Harry Reid Intl

Thu 11/20

6:01 am-7:25 pm

2 stops20h 24m

$571

IncheonLas Vegas

ICN - LAS

ICNLAS

Incheon Intl

Mon 9/22

8:35 pm-11:59 pm

1 stop19h 24m

Las Vegas Harry Reid Intl

Sat 9/27

7:52 pm-6:35 pm

2 stops30h 43m

$571

IncheonLas Vegas

ICN - LAS

ICNLAS

Incheon Intl

Sun 9/28

8:35 pm-3:49 pm

2 stops35h 14m

Las Vegas Harry Reid Intl

Fri 10/3

9:52 pm-6:35 pm

2 stops28h 43m

$573

IncheonLas Vegas

ICN - LAS

ICNLAS

Incheon Intl

Mon 11/10

8:35 pm-11:37 am

2 stops32h 02m

Las Vegas Harry Reid Intl

Fri 11/14

8:51 pm-6:35 pm

2 stops28h 44m

$577

IncheonLas Vegas

ICN - LAS

ICNLAS

Incheon Intl

Fri 11/14

8:35 pm-10:14 pm

2 stops42h 39m

Las Vegas Harry Reid Intl

Sat 11/22

4:13 pm-6:35 pm

2 stops33h 22m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 21 results
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The best insider tips for Incheon Intl Airport to Las Vegas flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to Las Vegas trip
Airports
ICN

Plan for extra time at ICN security, as lines can take up to 20 minutes, especially without fast track options.

Read more about ICNby Gabriel Leigh
LAS

For a quick exit from LAS, use rideshare services, but note the pickup is in the parking garage, a bit of a walk.

Read more about LASby Ramsey Qubein
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LAS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Incheon Intl to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Incheon Intl 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 Incheon Intl Airport to Las Vegas

How far ahead should I book a flight from Incheon Intl Airport to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Las Vegas. Price data was last updated on August 8, 2025.

The price you pay for your flight from Incheon Intl Airport to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 36 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Incheon Intl Airport to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Las Vegas (average of $198). Flying from Incheon Intl Airport to Las Vegas in March is currently the most expensive (average of $269). 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 ICN to LAS?

Find hourly flight availability from Incheon Intl to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

One of the essential ways to save on airfare from Incheon Intl Airport to Las Vegas is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 19% on airfare.

What is the cheapest day to fly from Incheon Intl Airport to Las Vegas?

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

Travelers seeking maximum savings on their Incheon Intl Airport to Las Vegas flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Incheon Intl Airport to Las Vegas

Explore weekly flight availability from Incheon Intl to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 14, 2025.

The most flights from ICN to LAS are scheduled on a Monday (2 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated August 14, 2025.
Read through reviews of airlines operating flights from Incheon Intl Airport to Las Vegas, such as Korean Air, Asiana Airlines, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,131 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,131 reviews
Korean Air
8.4
Very good
1,131 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
473 reviews
Korean Air
8.4
Very good
1,131 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
8.0
Very good
7,980 reviews
Korean Air
8.4
Very good
1,131 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
8,916 reviews
Korean Air
8.4
Very good
1,131 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air Canada
7.1
Good
9,949 reviews
Korean Air
8.4
Very good
1,131 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to Las Vegas. 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 Las Vegas from Incheon Intl?

    For a flight from Incheon Intl to Las Vegas, you will be flying into Harry Reid Intl. Las Vegas Harry Reid Intl (LAS) is just 6.2 mi from the center of the city. Harry Reid Intl is the only Las Vegas airport and it handles 1 inbound flight from Incheon Intl per day. 5 airlines have flights to Las Vegas Harry Reid Intl from Incheon Intl on a regular basis.

  • What are the cheapest airlines flying from Incheon Intl Airport to Las Vegas round-trip?

    According to our current data, Air Canada ($600), United Airlines ($644), and Asiana Airlines ($776) offers the cheapest pricing from Incheon Intl Airport to Las Vegas. Air Canada is currently priced 41% below the average price you’ll pay for this route.

  • What are the cheapest flights from Incheon Intl Airport to Las Vegas?

    Looking for the cheapest flight from Incheon Intl Airport to Las Vegas? While on average our users pay $2,021, our data indicates the cheapest price to be $601. The most popular route (Incheon Intl - Las Vegas Harry Reid Intl), is priced around $583.

  • Can I find deals for flights from Incheon Intl to Las Vegas that include hotel bookings?

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

  • How can I find direct flights from Incheon Intl to Las Vegas?

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

  • Can I find deals for business class flights from Incheon Intl to Las Vegas?

    Yes. Cheapflights offers flight deals from Incheon Intl to Las Vegas 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 Incheon Intl Airport to Las Vegas?

    Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Las Vegas (average of $198). Flying from Incheon Intl Airport to Las Vegas in March is currently the most expensive (average of $269). 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

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
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Top 5 airlines flying from Incheon Intl to Las Vegas

Discover the top 5 airlines that operate flights from Incheon Intl to Las Vegas. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$600Average$740FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$644Average$743FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$776Average$1,280FlexibilityNo cancel feeOn-time76%
DeltaCheapest$901Average$1,413FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$905Average$1,100FlexibilityNo cancel feeOn-time81%

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