$312+ Cheap flights from Las Vegas to Decatur, IL (LAS - DEC)
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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — DEC
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Las Vegas to Decatur 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.Cheap flight deals from Las Vegas to Decatur
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Cheapest flights from Las Vegas to DecaturExplore the most affordable flight options available from Las Vegas to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Las Vegas to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/119:00 am -
1 stop7h 10m
Sun 12/138:31 am -
1 stop6h 40m
Deal found 10/28![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 12/226:40 pm -
2 stops12h 03m
Tue 12/297:03 pm -
1 stop6h 56m
Deal found 10/27![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/2412:45 pm -
1 stop27h 11m
Sun 1/37:03 pm -
1 stop6h 56m
Deal found 10/28![United Airlines logo]()
$550
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/1411:58 pm -
1 stop6h 11m
Wed 11/189:10 am -
1 stop7h 48m
Deal found 10/30![United Airlines logo]()
$554
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/1111:59 pm -
1 stop6h 10m
Sun 11/159:10 am -
2 stops12h 55m
Deal found 10/27![United Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/128:44 am -
1 stop7h 26m
Mon 11/166:57 pm -
1 stop16h 31m
Deal found 10/28![United Airlines logo]()
$642
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/511:58 pm -
1 stop6h 11m
Sun 11/89:10 am -
2 stops12h 55m
Deal found 10/29![United Airlines logo]()
$664
Best flights from Las Vegas to DecaturDiscover carefully curated flight deals from Las Vegas to Decatur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Las Vegas to Decatur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 12/2211:50 pm -
1 stop6h 53m
Tue 12/297:03 pm -
1 stop6h 56m
Deal found 10/27![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/2412:45 pm -
1 stop27h 11m
Sun 1/37:03 pm -
1 stop6h 56m
Deal found 10/28![United Airlines logo]()
$550
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 1/279:00 am -
1 stop7h 06m
Sat 1/307:00 pm -
1 stop29h 37m
Deal found 10/29![United Airlines logo]()
$552
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/1411:58 pm -
1 stop6h 11m
Wed 11/189:10 am -
1 stop7h 48m
Deal found 10/30![United Airlines logo]()
$554
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/1111:59 pm -
1 stop6h 10m
Sun 11/159:10 am -
2 stops12h 55m
Deal found 10/27![United Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/1211:58 pm -
1 stop6h 11m
Mon 11/169:10 am -
2 stops12h 55m
Deal found 10/28![United Airlines logo]()
$564
Last-minute flights from Las Vegas to DecaturDiscover last-minute flight deals from Las Vegas to Decatur. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Decatur. Data last updated October 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/511:58 pm -
1 stop6h 11m
Sun 11/89:10 am -
2 stops12h 55m
Deal found 10/29![United Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/68:44 am -
1 stop7h 26m
Mon 11/99:10 am -
1 stop7h 48m
Deal found 10/29![United Airlines logo]()
$705
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:45 pm -
2 stops16h 25m
Fri 11/136:57 pm -
1 stop22h 01m
Deal found 10/25![United Airlines logo]()
$668
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/1111:59 pm -
1 stop6h 10m
Sun 11/159:10 am -
2 stops12h 55m
Deal found 10/27![United Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/128:44 am -
1 stop7h 26m
Mon 11/166:57 pm -
1 stop16h 31m
Deal found 10/28![United Airlines logo]()
$642
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/1411:58 pm -
1 stop6h 11m
Wed 11/189:10 am -
1 stop7h 48m
Deal found 10/30![United Airlines logo]()
$554
One-way flights from Las Vegas to DecaturSearch for one-way flight options from Las Vegas to Decatur. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Las Vegas to Decatur. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/294:10 pm -
1 stop23h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/284:10 pm -
1 stop14h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 12/69:00 am -
1 stop7h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![United Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 11/46:45 am -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/46:40 pm -
3 stops35h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$553
Find flight deals from Las Vegas to Decatur
Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Decatur (DEC). 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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $484 (United Airlines) |
One-way from | $312 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas to Decatur 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 October 30, 2026.
Use the filters below to find and compare flights from Las Vegas to Decatur that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Las VegasDecatur
LAS Las Vegas Harry Reid Intl - DEC Decatur Arpt
LASDEC
Las Vegas Harry Reid Intl
Tue 12/29
4:10 pm-5:56 pm
1 stop23h 46m
Decatur Arpt
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$312
Las VegasDecatur
LAS Las Vegas Harry Reid Intl - DEC Decatur Arpt
LASDEC
Las Vegas Harry Reid Intl
Mon 12/28
4:10 pm-8:43 am
1 stop14h 33m
Decatur Arpt
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$344
Las VegasDecatur
LAS Las Vegas Harry Reid Intl - DEC Decatur Arpt
LASDEC
Las Vegas Harry Reid Intl
Mon 1/4
4:10 pm-6:06 pm
1 stop23h 56m
Decatur Arpt
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$344
Quickest round-trip
Las VegasDecatur
LAS Las Vegas Harry Reid Intl - DEC Decatur Arpt
LASDEC
Las Vegas Harry Reid Intl
Sun 12/6
9:00 am-6:09 pm
1 stop7h 09m
Decatur Arpt
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$395
Las VegasDecatur
LAS Las Vegas Harry Reid Intl - DEC Decatur Arpt
LASDEC
Las Vegas Harry Reid Intl
Tue 12/22
11:50 pm-8:43 am
1 stop6h 53m
Decatur Arpt
Tue 12/29
7:03 pm-11:59 pm
1 stop6h 56m
$484
Las VegasDecatur
LAS Las Vegas Harry Reid Intl - DEC Decatur Arpt
LASDEC
Las Vegas Harry Reid Intl
Thu 12/24
12:45 pm-5:56 pm
1 stop27h 11m
Decatur Arpt
Sun 1/3
7:03 pm-11:59 pm
1 stop6h 56m
$550
Las VegasDecatur
LAS Las Vegas Harry Reid Intl - DEC Decatur Arpt
LASDEC
Las Vegas Harry Reid Intl
Wed 1/27
9:00 am-6:06 pm
1 stop7h 06m
Decatur Arpt
Sat 1/30
7:00 pm-10:37 pm
1 stop29h 37m
$552
Las VegasDecatur
LAS Las Vegas Harry Reid Intl - DEC Decatur Arpt
LASDEC
Las Vegas Harry Reid Intl
Sat 11/14
11:58 pm-8:09 am
1 stop6h 11m
Decatur Arpt
Wed 11/18
9:10 am-2:58 pm
1 stop7h 48m
$554
Las VegasDecatur
LAS Las Vegas Harry Reid Intl - DEC Decatur Arpt
LASDEC
Las Vegas Harry Reid Intl
Wed 11/11
11:59 pm-8:09 am
1 stop6h 10m
Decatur Arpt
Sun 11/15
9:10 am-8:05 pm
2 stops12h 55m
$564
Las VegasDecatur
LAS Las Vegas Harry Reid Intl - DEC Decatur Arpt
LASDEC
Las Vegas Harry Reid Intl
Thu 11/12
11:58 pm-8:09 am
1 stop6h 11m
Decatur Arpt
Mon 11/16
9:10 am-8:05 pm
2 stops12h 55m
$564
Sorted by cheapest first
Compare providers for flights from Las Vegas to Decatur
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 Decatur in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Las Vegas-Decatur, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Decatur, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Decatur, Illinois flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Las Vegas-Decatur, Illinois 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 Las Vegas-Decatur, Illinois 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 Decatur
Have a flexible travel schedule? Discover the best time to fly to Decatur from Las Vegas with our price prediction graph.
LAS-DEC
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.
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to Decatur. 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 Decatur?
Book flights to Decatur if you plan to visit one of these locationsMattoon
Effingham
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