$111+ Cheap flights from O'Hare Intl (ORD) to Las Vegas (LAS)
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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAS
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Las Vegas 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.3. Compare prices and book
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 Chicago O'Hare Intl to Las Vegas Harry Reid Intl are usually found in January or February, booked 86 days in advance, depart on a Wednesday or Tuesday and return on a Friday
Cheap flight deals from O'Hare Intl to Las Vegas
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to Las VegasExplore the most affordable flight options available from O'Hare Intl to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
Explore the most affordable flight options available from O'Hare Intl to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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.
Sat 9/267:32 pm -
Nonstop4h 14m
Mon 9/2811:50 pm -
Nonstop3h 48m
Deal found 9/2![Frontier logo]()
$201
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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.
Fri 9/251:01 pm -
1 stop10h 41m
Fri 10/211:50 pm -
Nonstop3h 48m
Deal found 9/2![Frontier logo]()
$202
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:11 pm -
Nonstop4h 12m
Sat 9/1211:50 pm -
Nonstop3h 48m
Deal found 9/2![Frontier logo]()
$203
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:55 pm -
Nonstop4h 10m
Fri 10/94:35 pm -
1 stop5h 49m
Deal found 9/2![Frontier logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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.
Mon 10/128:11 pm -
1 stop21h 03m
Thu 10/156:15 am -
1 stop22h 19m
Deal found 9/2![Frontier logo]()
$205
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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.
Fri 11/65:15 pm -
Nonstop4h 21m
Mon 11/99:43 pm -
1 stop13h 08m
Deal found 9/3![Frontier logo]()
$206
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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.
Fri 10/168:01 pm -
1 stop29h 16m
Fri 10/2311:29 pm -
Nonstop3h 47m
Deal found 9/3![Frontier logo]()
$207
This Expedia deal was found by Cheapflights users on 9/2. 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.
Fri 11/65:15 pm -
Nonstop4h 21m
Sat 11/78:17 am -
1 stop8h 51m
Deal found 9/2![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:21 pm -
Nonstop4h 09m
Mon 10/1210:52 am -
1 stop12h 07m
Deal found 9/2![Frontier logo]()
$209
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:32 pm -
Nonstop4h 14m
Tue 10/611:50 pm -
Nonstop3h 48m
Deal found 9/3![Frontier logo]()
$210
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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.
Thu 10/88:01 pm -
1 stop29h 16m
Mon 10/1210:52 am -
1 stop12h 07m
Deal found 9/2![Frontier logo]()
$211
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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.
Fri 10/308:13 pm -
1 stop12h 24m
Sun 11/111:29 pm -
Nonstop3h 44m
Deal found 9/3![Frontier logo]()
$212
Best flights from O'Hare Intl to Las VegasDiscover carefully curated flight deals from O'Hare Intl to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from O'Hare Intl to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/30. 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 11/72:15 pm -
1 stop8h 10m
Tue 11/1012:37 pm -
1 stop22h 40m
Deal found 8/30![Alaska Airlines logo]()
$271
This United Airlines deal was found by Cheapflights users on 8/31. 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 12/319:47 pm -
Nonstop4h 12m
Tue 1/512:45 pm -
Nonstop3h 50m
Deal found 8/31![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/31:35 pm -
1 stop9h 57m
Sat 3/612:45 am -
1 stop5h 58m
Deal found 9/3![Delta logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 9/1. 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 9/217:20 am -
1 stop6h 44m
Wed 9/3010:23 am -
1 stop6h 58m
Deal found 9/1![Alaska Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sat 10/175:00 am -
1 stop5h 36m
Sat 10/2412:38 pm -
Nonstop3h 54m
Deal found 8/31![United Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 9/3. 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 12/1712:50 pm -
Nonstop4h 14m
Sat 12/193:29 pm -
1 stop5h 13m
Deal found 9/3![United Airlines logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 12/257:00 am -
1 stop6h 57m
Wed 12/3010:26 am -
1 stop6h 28m
Deal found 9/2![Alaska Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Mon 1/116:00 pm -
Nonstop4h 15m
Wed 1/137:00 am -
Nonstop3h 48m
Deal found 8/30![United Airlines logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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.
Thu 9/247:20 am -
2 stops10h 26m
Tue 9/295:28 pm -
1 stop17h 54m
Deal found 9/4![Alaska Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 9/4. 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 12/178:20 pm -
Nonstop4h 18m
Wed 12/304:34 pm -
1 stop5h 56m
Deal found 9/4![United Airlines logo]()
$336
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 3/37:55 pm -
1 stop15h 44m
Mon 3/86:00 am -
1 stop5h 54m
Deal found 9/3![Alaska Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Fri 12/189:47 pm -
Nonstop4h 14m
Mon 12/213:29 pm -
1 stop5h 13m
Deal found 9/1![United Airlines logo]()
$366
Last-minute flights from O'Hare Intl to Las VegasDiscover last-minute flight deals from O'Hare Intl to Las Vegas. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Las Vegas. Data last updated September 4, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:11 pm -
Nonstop4h 12m
Sat 9/1211:50 pm -
Nonstop3h 48m
Deal found 9/2![Frontier logo]()
$203
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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.
Fri 9/251:01 pm -
1 stop10h 41m
Fri 10/211:50 pm -
Nonstop3h 48m
Deal found 9/2![Frontier logo]()
$202
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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.
Sat 9/267:32 pm -
Nonstop4h 14m
Mon 9/2811:50 pm -
Nonstop3h 48m
Deal found 9/2![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:32 pm -
Nonstop4h 14m
Tue 10/63:10 pm -
1 stop7h 13m
Deal found 9/3![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:21 pm -
Nonstop4h 09m
Mon 10/1210:52 am -
1 stop12h 07m
Deal found 9/2![Frontier logo]()
$209
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:55 pm -
Nonstop4h 10m
Fri 10/94:35 pm -
1 stop5h 49m
Deal found 9/2![Frontier logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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.
Thu 10/88:01 pm -
1 stop29h 16m
Mon 10/1210:52 am -
1 stop12h 07m
Deal found 9/2![Frontier logo]()
$211
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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.
Mon 10/128:11 pm -
1 stop21h 03m
Thu 10/156:15 am -
1 stop22h 19m
Deal found 9/2![Frontier logo]()
$205
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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.
Mon 10/123:30 pm -
Nonstop4h 16m
Fri 10/161:45 pm -
1 stop14h 49m
Deal found 9/2![Frontier logo]()
$206
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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.
Fri 10/163:30 pm -
Nonstop4h 16m
Tue 10/202:55 pm -
1 stop13h 39m
Deal found 9/3![Frontier logo]()
$207
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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.
Fri 10/308:13 pm -
1 stop12h 24m
Sun 11/111:29 pm -
Nonstop3h 44m
Deal found 9/3![Frontier logo]()
$212
One-way flights from O'Hare Intl to Las VegasSearch for one-way flight options from O'Hare Intl to Las Vegas. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from O'Hare Intl to Las Vegas. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:21 pm -
Nonstop4h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:55 pm -
Nonstop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$112
This Super.com deal was found by Cheapflights users on 9/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:15 pm -
Nonstop4h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$113
This Booking.com deal was found by Cheapflights users on 9/2. 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.
Mon 10/123:30 pm -
Nonstop4h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$114
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:35 pm -
1 stop9h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$116
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:41 pm -
1 stop8h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$117
This Flightnetwork deal was found by Cheapflights users on 9/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:41 pm -
1 stop8h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$119
This Cheapflightsfares deal was found by Cheapflights users on 8/31. 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.
Wed 12/912:51 pm -
Nonstop4h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Frontier logo]()
$120
Find flight deals from O'Hare Intl to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $201 (Cheapflightsfares) |
One-way from | $111 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $338 |
Good round-trip deal | $286 or less |
Good one-way deal | $145 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare 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 7,457,451 searches. Data last updated September 4, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Sun 10/11
7:20 am-3:13 pm
1 stop9h 53m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$151
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Tue 12/1
3:00 pm-5:11 pm
Nonstop4h 11m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$156
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Sat 12/5
4:05 pm-6:17 pm
Nonstop4h 12m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$156
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Fri 12/25
7:00 am-11:57 am
1 stop6h 57m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$165
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Wed 10/7
7:35 am-12:17 pm
1 stop6h 42m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$166
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Tue 12/22
3:40 pm-8:42 pm
1 stop7h 02m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$166
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Fri 1/22
6:57 pm-9:40 am
1 stop16h 43m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$170
Quickest round-trip
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Fri 10/2
8:05 pm-10:13 pm
Nonstop4h 08m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$171
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Thu 10/22
6:20 pm-8:28 pm
Nonstop4h 08m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$171
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Mon 9/21
8:17 pm-9:42 am
1 stop15h 25m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$179
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Las Vegas
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 O'Hare Intl to Las Vegas in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Las Vegas flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Las Vegas flights, Cheapflights users trust FlightHub the most. FlightHub 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 Chicago O'Hare Intl Airport-Las Vegas 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 O'Hare Intl to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from O'Hare Intl with our price prediction graph.
ORD-LAS
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 Chicago O'Hare Intl Airport to Las Vegas
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How far ahead should I book a flight from Chicago O'Hare Intl Airport to Las Vegas?
To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Las Vegas, 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 Chicago O'Hare Intl Airport to Las Vegas?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Las Vegas (average of $254). Flying from Chicago O'Hare Intl Airport to Las Vegas in June is currently the most expensive (average of $364). 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 ORD to LAS?
Find hourly flight availability from O'Hare 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 September 4, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 27% on flights from Chicago O'Hare Intl Airport to Las Vegas by exploring options for tickets in the evening.
What is the cheapest day to fly from Chicago O'Hare Intl Airport to Las Vegas?
Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Las Vegas. Price data was last updated on August 29, 2026.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Las Vegas flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Chicago to Las Vegas delayed?
About 20% of weekly flights between Chicago and Las Vegas have experienced delays in the past year, with the average delay time being 162 minutes.
What is the most punctual flight time for Chicago to Las Vegas flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Las Vegas flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
What’s the top layover airport for flights from Chicago O'Hare Intl Airport to Las Vegas?
Share of 1-stop round-trip flights from Chicago O'Hare Intl Airport to Las Vegas chosen by Cheapflights users in the past 12 months, using the same layover each way.
San Diego (SAN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Chicago O'Hare Intl Airport to Las Vegas on Cheapflights.
What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to Las Vegas?
Average round-trip fare for 1-stop flights from Chicago O'Hare Intl Airport to Las Vegas, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $218.
What’s the fastest layover option from Chicago O'Hare Intl Airport to Las Vegas?
Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport to Las Vegas, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via San Diego (SAN) have the shortest average one-way travel time for 1-stop routes: 7h 50m.
Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to Las Vegas?
Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport to Las Vegas, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 2h 22m.
The best insider tips for Chicago O'Hare Intl Airport to Las Vegas flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Las Vegas trip
Our travel experts
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 September 4, 2026.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Las Vegas, such as Southwest,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from O'Hare 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.
Traveling to a place near Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsParadise
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O'Hare Intl and Las Vegas flights
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Top 7 airlines flying from O'Hare Intl to Las Vegas
Discover the top 7 airlines that operate flights from O'Hare 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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$60 | Average$221 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$147 | Average$300 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$165 | Average$356 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$167 | Average$385 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$168 | Average$359 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$180 | Average$357 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$240 | Average$338 | FlexibilityNo cancel fee | On-time75% |