$157+ Cheap flights from Las Vegas (LAS) to Key Largo, FL
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — MIA
Sep 25 — Oct 21
Round-trip
1 adult, Economy
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Find cheap flights from Las Vegas to Key Largo 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 Las Vegas Harry Reid Intl to Key Largo are usually found in October or August, booked 32 days in advance, depart on a Thursday or Wednesday and return on a Tuesday
Cheap flight deals from Las Vegas to Key Largo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Las Vegas to Key LargoExplore the most affordable flight options available from Las Vegas to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
Explore the most affordable flight options available from Las Vegas to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
This Frontier deal was found by Cheapflights users on 8/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:13 pm -
Nonstop4h 51m
Thu 11/266:24 am -
Nonstop5h 30m
Deal found 8/25![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:53 am -
1 stop14h 06m
Tue 9/1511:25 am -
1 stop24h 00m
Deal found 8/21![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:04 pm -
1 stop14h 20m
Thu 9/106:46 pm -
1 stop8h 13m
Deal found 8/20![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:43 pm -
1 stop9h 46m
Thu 11/125:15 am -
1 stop8h 48m
Deal found 8/24![Frontier logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:04 pm -
1 stop19h 34m
Sat 9/197:55 am -
2 stops15h 40m
Deal found 8/24![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:30 am -
1 stop10h 08m
Sat 9/197:55 am -
2 stops15h 40m
Deal found 8/23![Frontier logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:30 am -
1 stop10h 08m
Fri 9/185:34 pm -
2 stops17h 51m
Deal found 8/22![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:30 am -
1 stop10h 08m
Wed 9/305:32 am -
2 stops16h 10m
Deal found 8/24![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:43 pm -
1 stop9h 46m
Sat 11/75:05 am -
1 stop9h 36m
Deal found 8/23![Frontier logo]()
$285
This Frontier deal was found by Cheapflights users on 8/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:52 am -
1 stop9h 54m
Fri 9/252:37 pm -
1 stop12h 16m
Deal found 8/25![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:20 am -
1 stop11h 29m
Mon 11/94:30 pm -
1 stop9h 38m
Deal found 8/23![Frontier logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:30 am -
1 stop10h 08m
Sun 9/139:30 pm -
1 stop15h 30m
Deal found 8/24![Frontier logo]()
$288
Best flights from Las Vegas to Key LargoDiscover carefully curated flight deals from Las Vegas to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
Discover carefully curated flight deals from Las Vegas to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Tue 12/18:00 am -
1 stop7h 02m
Tue 12/82:30 pm -
1 stop9h 32m
Deal found 8/25![United Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 8/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:20 am -
1 stop10h 05m
Wed 9/232:25 pm -
1 stop7h 25m
Deal found 8/23![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 8/20. 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.
Thu 2/46:00 am -
1 stop8h 41m
Mon 2/83:35 pm -
1 stop8h 42m
Deal found 8/20![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 8/20. 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.
Thu 1/2110:15 am -
1 stop9h 13m
Tue 1/264:40 pm -
1 stop7h 37m
Deal found 8/20![Delta logo]()
$355
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:55 am -
2 stops8h 00m
Tue 9/292:20 pm -
2 stops11h 00m
Deal found 8/22![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 8/20. 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 1/2412:59 am -
1 stop6h 57m
Fri 1/2911:25 am -
1 stop7h 35m
Deal found 8/20![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 8/21. 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.
Sat 11/213:07 pm -
1 stop6h 50m
Tue 12/11:10 pm -
1 stop9h 50m
Deal found 8/21![Delta logo]()
$371
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:55 am -
2 stops8h 30m
Sat 11/76:20 am -
2 stops8h 25m
Deal found 8/20![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 8/24. 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.
Sun 12/1312:50 am -
1 stop6h 37m
Sat 12/195:21 pm -
1 stop9h 01m
Deal found 8/24![Delta logo]()
$391
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/46:55 am -
1 stop5h 50m
Mon 2/85:10 am -
2 stops9h 45m
Deal found 8/20![Southwest logo]()
$426
This Delta deal was found by Cheapflights users on 8/21. 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.
Fri 11/1312:45 am -
1 stop6h 44m
Sun 11/228:00 am -
1 stop8h 57m
Deal found 8/21![Delta logo]()
$406
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:45 am -
2 stops8h 50m
Mon 11/25:05 am -
2 stops8h 15m
Deal found 8/22![Southwest logo]()
$431
Last-minute flights from Las Vegas to Key LargoDiscover last-minute flight deals from Las Vegas to Key Largo. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Key Largo. Data last updated August 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:04 pm -
1 stop14h 20m
Thu 9/106:46 pm -
1 stop8h 13m
Deal found 8/20![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:30 am -
1 stop10h 08m
Sun 9/139:30 pm -
1 stop15h 30m
Deal found 8/24![Frontier logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:04 pm -
1 stop19h 34m
Sat 9/197:55 am -
2 stops15h 40m
Deal found 8/24![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:32 am -
1 stop26h 07m
Sun 9/135:32 am -
1 stop20h 13m
Deal found 8/20![Frontier logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:30 am -
1 stop10h 08m
Sat 9/197:55 am -
2 stops15h 40m
Deal found 8/23![Frontier logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:53 am -
1 stop14h 06m
Tue 9/1511:25 am -
1 stop24h 00m
Deal found 8/21![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:30 am -
1 stop10h 08m
Fri 9/185:34 pm -
2 stops17h 51m
Deal found 8/22![Frontier logo]()
$283
This Frontier deal was found by Cheapflights users on 8/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:52 am -
1 stop9h 54m
Fri 9/252:37 pm -
1 stop12h 16m
Deal found 8/25![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:04 pm -
1 stop9h 26m
Mon 9/215:34 pm -
1 stop8h 11m
Deal found 8/25![Frontier logo]()
$289
This Expedia deal was found by Cheapflights users on 8/22. 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.
Sun 9/2012:53 am -
1 stop14h 06m
Mon 9/284:05 pm -
1 stop10h 13m
Deal found 8/22![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:30 am -
1 stop24h 00m
Sun 9/275:32 am -
1 stop20h 13m
Deal found 8/20![Frontier logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:30 am -
1 stop10h 08m
Wed 9/305:32 am -
2 stops16h 10m
Deal found 8/24![Frontier logo]()
$284
One-way flights from Las Vegas to Key LargoSearch for one-way flight options from Las Vegas to Key Largo. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
Search for one-way flight options from Las Vegas to Key Largo. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:59 pm -
2 stops23h 25m
Deal found 8/23![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:20 pm -
2 stops14h 10m
Deal found 8/21![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:45 pm -
2 stops23h 14m
Deal found 8/21![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:40 am -
2 stops18h 10m
Deal found 8/23![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:04 pm -
1 stop19h 29m
Deal found 8/25![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:04 pm -
2 stops12h 38m
Deal found 8/22![Frontier logo]()
$165
This Trip.com deal was found by Cheapflights users on 8/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:04 pm -
1 stop19h 29m
Deal found 8/23![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:16 pm -
2 stops18h 22m
Deal found 8/22![Frontier logo]()
$167
Find flight deals from Las Vegas to Key Largo
Keep the following information in mind while searching for Las Vegas to Key Largo flight deals. Data was last updated August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $276 (Kiwi.com) |
One-way from | $157 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $373 |
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas to Key Largo 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 August 26, 2026.
Use the filters below to find and compare flights from Las Vegas to Key Largo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Las VegasMiami
LAS Las Vegas Harry Reid Intl - MIA Miami
LASMIA
Las Vegas Harry Reid Intl
Tue 12/1
8:00 am-6:02 pm
1 stop7h 02m
Miami
Tue 12/8
2:30 pm-9:02 pm
1 stop9h 32m
$350
Las VegasMiami
LAS Las Vegas Harry Reid Intl - MIA Miami
LASMIA
Las Vegas Harry Reid Intl
Tue 9/22
12:20 am-1:25 pm
1 stop10h 05m
Miami
Wed 9/23
2:25 pm-6:50 pm
1 stop7h 25m
$355
Las VegasMiami
LAS Las Vegas Harry Reid Intl - MIA Miami
LASMIA
Las Vegas Harry Reid Intl
Thu 2/4
6:00 am-5:41 pm
1 stop8h 41m
Miami
Mon 2/8
3:35 pm-9:17 pm
1 stop8h 42m
$355
Las VegasMiami
LAS Las Vegas Harry Reid Intl - MIA Miami
LASMIA
Las Vegas Harry Reid Intl
Thu 1/21
10:15 am-10:28 pm
1 stop9h 13m
Miami
Tue 1/26
4:40 pm-9:17 pm
1 stop7h 37m
$355
Las VegasMiami
LAS Las Vegas Harry Reid Intl - MIA Miami
LASMIA
Las Vegas Harry Reid Intl
Tue 9/22
10:55 am-9:55 pm
2 stops8h 00m
Miami
Tue 9/29
2:20 pm-10:20 pm
2 stops11h 00m
$366
Quickest round-trip
Las VegasMiami
LAS Las Vegas Harry Reid Intl - MIA Miami
LASMIA
Las Vegas Harry Reid Intl
Sun 1/24
12:59 am-10:56 am
1 stop6h 57m
Miami
Fri 1/29
11:25 am-4:00 pm
1 stop7h 35m
$370
Las VegasMiami
LAS Las Vegas Harry Reid Intl - MIA Miami
LASMIA
Las Vegas Harry Reid Intl
Sat 11/21
3:07 pm-12:57 am
1 stop6h 50m
Miami
Tue 12/1
1:10 pm-8:00 pm
1 stop9h 50m
$371
Las VegasMiami
LAS Las Vegas Harry Reid Intl - MIA Miami
LASMIA
Las Vegas Harry Reid Intl
Sun 12/13
12:50 am-10:27 am
1 stop6h 37m
Miami
Sat 12/19
5:21 pm-11:22 pm
1 stop9h 01m
$391
Las VegasMiami
LAS Las Vegas Harry Reid Intl - MIA Miami
LASMIA
Las Vegas Harry Reid Intl
Fri 11/13
12:45 am-10:29 am
1 stop6h 44m
Miami
Sun 11/22
8:00 am-1:57 pm
1 stop8h 57m
$406
Las VegasMiami
LAS Las Vegas Harry Reid Intl - MIA Miami
LASMIA
Las Vegas Harry Reid Intl
Sun 11/1
7:55 am-7:25 pm
2 stops8h 30m
Miami
Sat 11/7
6:20 am-11:45 am
2 stops8h 25m
$417
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Las Vegas to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Las Vegas with our price prediction graph.
LAS-MIA
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 Key Largo
LAS-KE9
LAS-MIA
What is the cheapest time of day to fly from LAS to KE9?
Find hourly flight availability from Las Vegas to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 26, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 45% on flights from Las Vegas to Key Largo by exploring options for tickets in the afternoon.
Weekly flight availability from Las Vegas to Key Largo
Explore weekly flight availability from Las Vegas to Key Largo. 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 26, 2026.
The most flights from LAS to KE9 are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Las Vegas to Key Largo?
Airfare is typical for this route at the moment.
Las Vegas to Key Largo flights typically cost between $272 and $490 in October.The cheapest round-trip price found within the last 5 days was $276 on Frontier (Oct 15-Oct 18).
What is the cheapest day to fly from Las Vegas to Key Largo?
Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Key Largo. Price data was last updated on August 22, 2026.
Travelers seeking maximum savings on their Las Vegas to Key Largo flight should consider departing on Friday afternoons 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.
Reviews of airlines servicing Key Largo
Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated August 26, 2026.
Read through reviews of airlines operating flights from Las Vegas to Key Largo, 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
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Las Vegas and Key Largo flights
Browse other Las Vegas and Key Largo flight options. Last updated on August 26, 2026.
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Top 6 airlines flying from Las Vegas to Key Largo
Discover the top 6 airlines that operate flights from Las Vegas to Key Largo. 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 August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$396 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$315 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$131 | Average$287 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$191 | Average$367 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$204 | Average$445 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$212 | Average$387 | FlexibilityNo cancel fee | On-time63% |