$114+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — MIA
Jun 27 — Jul 41
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 August or July, booked 32 days in advance, depart on a Wednesday or Tuesday 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 May 28, 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 May 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:29 pm
LAS
- MIA
Nonstop4h 47m
Frontier
Mon 9/78:18 pm
MIA
- LAS
Nonstop5h 27m
Frontier
Deal found 5/26![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Tue 7/2110:29 pm
LAS
- MIA
Nonstop5h 01m
Frontier
Sat 7/2510:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/25![Frontier logo]()
$225
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:29 pm
LAS
- MIA
Nonstop5h 01m
Frontier
Mon 8/1710:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/26![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Wed 8/2611:29 pm
LAS
- MIA
Nonstop4h 47m
Frontier
Wed 9/28:18 pm
MIA
- LAS
Nonstop5h 27m
Frontier
Deal found 5/25![Frontier logo]()
$227
This Frontier deal was found by Cheapflights users on 5/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:29 pm
LAS
- MIA
Nonstop5h 01m
Frontier
Sun 7/1910:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/26![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Tue 8/2511:29 pm
LAS
- MIA
Nonstop4h 47m
Frontier
Fri 8/288:18 pm
MIA
- LAS
Nonstop5h 27m
Frontier
Deal found 5/25![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
Tue 7/147:00 am
LAS
- MIA
1 stop14h 31m
Frontier
Tue 7/216:30 am
MIA
- LAS
1 stop10h 59m
Frontier
Deal found 5/23![Frontier logo]()
$242
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1610:29 pm
LAS
- MIA
Nonstop5h 01m
Frontier
Sat 7/2510:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/26![Frontier logo]()
$250
This Super.com deal was found by Cheapflights users on 5/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:24 pm
LAS
- MIA
Nonstop4h 47m
Frontier
Sat 7/1110:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/27![Frontier logo]()
$251
This Frontier deal was found by Cheapflights users on 5/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:29 pm
LAS
- MIA
Nonstop5h 01m
Frontier
Mon 7/2010:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/26![Frontier logo]()
$253
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 May 28, 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 May 28, 2026.
This Southwest deal was found by Cheapflights users on 5/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:35 am
LAS
- MIA
1 stop10h 40m
Southwest
Wed 9/92:20 pm
MIA
- LAS
2 stops10h 20m
Southwest
Deal found 5/24![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:15 pm
LAS
- MIA
1 stop10h 43m
Delta
Sat 10/38:25 am
MIA
- LAS
1 stop15h 18m
Delta
Deal found 5/27![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 5/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:05 am
LAS
- MIA
1 stop9h 10m
Southwest
Sat 7/117:00 am
MIA
- LAS
2 stops14h 35m
Southwest
Deal found 5/27![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 5/24. 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.
Sat 11/2110:55 pm
LAS
- MIA
1 stop8h 40m
Delta
Tue 12/111:45 am
MIA
- LAS
1 stop10h 01m
Delta
Deal found 5/24![Delta logo]()
$397
This Southwest deal was found by Cheapflights users on 5/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:20 am
LAS
- MIA
2 stops10h 15m
Southwest
Tue 8/252:20 pm
MIA
- LAS
2 stops9h 45m
Southwest
Deal found 5/26![Southwest logo]()
$373
This Southwest deal was found by Cheapflights users on 5/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:35 am
LAS
- MIA
1 stop9h 10m
Southwest
Sat 8/296:30 am
MIA
- LAS
2 stops10h 55m
Southwest
Deal found 5/26![Southwest logo]()
$376
This Southwest deal was found by Cheapflights users on 5/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:35 am
LAS
- MIA
2 stops8h 15m
Southwest
Mon 9/286:25 pm
MIA
- LAS
1 stop7h 10m
Southwest
Deal found 5/25![Southwest logo]()
$376
This Southwest deal was found by Cheapflights users on 5/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:30 am
LAS
- MIA
2 stops9h 10m
Southwest
Sat 10/103:00 pm
MIA
- LAS
1 stop8h 50m
Southwest
Deal found 5/26![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 5/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:05 am
LAS
- MIA
1 stop6h 15m
Southwest
Thu 7/165:00 pm
MIA
- LAS
2 stops8h 45m
Southwest
Deal found 5/25![Southwest logo]()
$414
This Southwest deal was found by Cheapflights users on 5/23. 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.
Fri 10/210:15 pm
LAS
- MIA
1 stop9h 35m
Southwest
Fri 10/912:35 pm
MIA
- LAS
2 stops10h 00m
Southwest
Deal found 5/23![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 5/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:55 am
LAS
- MIA
1 stop7h 30m
Southwest
Sun 10/115:40 am
MIA
- LAS
2 stops10h 20m
Southwest
Deal found 5/24![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 5/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:35 am
LAS
- MIA
1 stop13h 00m
Southwest
Tue 6/911:45 am
MIA
- LAS
2 stops10h 30m
Southwest
Deal found 5/27![Southwest logo]()
$433
Last-minute flights from Las Vegas to Key LargoDiscover last-minute flight deals from Las Vegas to Key Largo. Data last updated May 28, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Key Largo. Data last updated May 28, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 5/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:34 pm
LAS
- MIA
1 stop8h 20m
Frontier
Sat 7/1110:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/28![Frontier logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2112:18 am
LAS
- MIA
1 stop16h 09m
Frontier
Wed 7/1510:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/26![Frontier logo]()
$316
This Frontier deal was found by Cheapflights users on 5/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2212:18 am
LAS
- MIA
1 stop11h 34m
Frontier
Sat 7/1110:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/28![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 5/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2212:18 am
LAS
- MIA
1 stop11h 34m
Frontier
Fri 7/1010:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/28![Frontier logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:34 pm
LAS
- MIA
1 stop8h 20m
Frontier
Mon 7/1310:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/26![Frontier logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:34 pm
LAS
- MIA
1 stop8h 20m
Frontier
Tue 7/1410:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/26![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2312:18 am
LAS
- MIA
1 stop11h 34m
Frontier
Tue 7/1410:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/26![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2311:33 am
LAS
- MIA
2 stops15h 21m
Frontier
Tue 7/76:30 am
MIA
- LAS
1 stop10h 59m
Frontier
Deal found 5/26![Frontier logo]()
$305
This Cheapflightsfares deal was found by Cheapflights users on 5/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2412:18 am
LAS
- MIA
1 stop16h 09m
Frontier
Tue 7/2810:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/25![Frontier logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2411:33 am
LAS
- MIA
2 stops25h 58m
Frontier
Wed 7/1510:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/26![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:34 pm
LAS
- MIA
1 stop8h 20m
Frontier
Thu 7/910:15 pm
MIA
- LAS
Nonstop5h 07m
Frontier
Deal found 5/27![Frontier logo]()
$310
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 May 28, 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 May 28, 2026.
This Frontier deal was found by Cheapflights users on 5/25. 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.
Wed 7/2210:29 pm
LAS
- MIA
Nonstop5h 01m
Frontier
Deal found 5/25![Frontier logo]()
$114
This Trip.com deal was found by Cheapflights users on 5/23. 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.
Tue 7/77:00 am
LAS
- MIA
1 stop14h 31m
Frontier
Deal found 5/23![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:29 pm
LAS
- MIA
Nonstop4h 47m
Frontier
Deal found 5/26![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
Tue 7/217:00 am
LAS
- MIA
1 stop14h 31m
Frontier
Deal found 5/23![Frontier logo]()
$124
This Trip.com deal was found by Cheapflights users on 5/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:00 am
LAS
- MIA
1 stop14h 31m
Frontier
Deal found 5/25![Frontier logo]()
$125
This Trip.com deal was found by Cheapflights users on 5/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:00 am
LAS
- MIA
1 stop14h 31m
Frontier
Deal found 5/26![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:25 am
LAS
- MIA
1 stop13h 51m
Frontier
Deal found 5/27![Frontier logo]()
$128
This Cheapflightsfares deal was found by Cheapflights users on 5/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:24 pm
LAS
- MIA
Nonstop4h 47m
Frontier
Deal found 5/28![Frontier logo]()
$137
This Super.com deal was found by Cheapflights users on 5/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1110:29 pm
LAS
- MIA
Nonstop5h 01m
Frontier
Deal found 5/27![Frontier logo]()
$138
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 May 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $222 (Kiwi.com) |
One-way from | $114 (Frontier) |
Popular in | March |
Cheapest in | August |
Average price | $384 |
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 2,558,603 searches. Data last updated May 28, 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 - MIA
LASMIA
Las Vegas Harry Reid Intl
Sat 9/5
6:35 am-8:15 pm
1 stop10h 40m
Miami
Wed 9/9
2:20 pm-9:40 pm
2 stops10h 20m
$368
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Sat 7/4
7:05 am-7:15 pm
1 stop9h 10m
Miami
Sat 7/11
7:00 am-6:35 pm
2 stops14h 35m
$369
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Tue 8/18
12:20 am-1:35 pm
2 stops10h 15m
Miami
Tue 8/25
2:20 pm-9:05 pm
2 stops9h 45m
$373
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Fri 8/21
8:35 am-8:45 pm
1 stop9h 10m
Miami
Sat 8/29
6:30 am-2:25 pm
2 stops10h 55m
$376
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Tue 9/22
10:35 am-9:50 pm
2 stops8h 15m
Miami
Mon 9/28
6:25 pm-10:35 pm
1 stop7h 10m
$376
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Sun 9/27
11:15 pm-12:58 pm
1 stop10h 43m
Miami
Sat 10/3
8:25 am-8:43 pm
1 stop15h 18m
$387
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Sat 11/21
10:55 pm-10:35 am
1 stop8h 40m
Miami
Tue 12/1
11:45 am-6:46 pm
1 stop10h 01m
$397
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Sat 10/3
8:30 am-8:40 pm
2 stops9h 10m
Miami
Sat 10/10
3:00 pm-8:50 pm
1 stop8h 50m
$402
Quickest round-trip
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Thu 7/9
6:05 am-3:20 pm
1 stop6h 15m
Miami
Thu 7/16
5:00 pm-10:45 pm
2 stops8h 45m
$414
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Fri 10/2
10:15 pm-10:50 am
1 stop9h 35m
Miami
Fri 10/9
12:35 pm-7:35 pm
2 stops10h 00m
$418
Showing 1-10 of 23 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 May 28, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 40% 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 May 28, 2026.
The most flights from LAS to KE9 are scheduled on a Wednesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Las Vegas to Key Largo?
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 May 23, 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. Wednesday 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 May 28, 2026.
Read through reviews of airlines operating flights from Las Vegas to Key Largo, such as Southwest,American Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Spirit Airlines
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Las Vegas
Popular flights
Top destinations
Alternative routes for Las Vegas to Key Largo
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Las Vegas to Key Largo by cabin class
Find flights from Las Vegas to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Las Vegas and Key Largo flights
Browse other Las Vegas and Key Largo flight options. Last updated on May 28, 2026.
Other flights from Las Vegas
Browse through other flights departing from Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on May 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Las Vegas to Key Largo flights
Consider these flights traveling from Las Vegas to Key Largo.
Top 7 airlines flying from Las Vegas to Key Largo
Discover the top 7 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 2,558,603 searches. Data last updated May 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$356 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$75 | Average$211 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$128 | Average$314 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$142 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$182 | Average$360 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$188 | Average$365 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$195 | Average$409 | FlexibilityNo cancel fee | On-time71% |