$161+ Cheap flights from Portland, ME (PWM) 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — MIA
Sep 25 — Oct 21
Round-trip
1 adult, Economy
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Find cheap flights from Portland 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.Cheap flight deals from Portland to Key Largo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to Key LargoExplore the most affordable flight options available from Portland 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 Portland to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
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 11/45:09 pm -
1 stop28h 10m
Sat 11/145:05 am -
2 stops12h 46m
Deal found 8/24![Multiple Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 8/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:27 pm -
1 stop6h 11m
Tue 10/279:50 am -
1 stop5h 53m
Deal found 8/26![American Airlines logo]()
$369
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:30 am -
1 stop5h 50m
Sat 10/33:31 pm -
1 stop6h 14m
Deal found 8/23![American Airlines logo]()
$370
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:41 pm -
1 stop6h 31m
Tue 10/2711:16 am -
2 stops7h 46m
Deal found 8/22![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 8/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:37 pm -
1 stop5h 59m
Sat 10/246:12 pm -
1 stop5h 24m
Deal found 8/26![American Airlines logo]()
$379
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop6h 13m
Fri 10/1612:26 pm -
2 stops11h 33m
Deal found 8/21![United Airlines logo]()
$384
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.
Wed 12/212:28 pm -
1 stop23h 12m
Tue 12/86:15 am -
2 stops26h 53m
Deal found 8/21![Multiple Airlines logo]()
$385
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:42 pm -
1 stop8h 09m
Fri 9/253:31 pm -
1 stop8h 14m
Deal found 8/25![American Airlines logo]()
$389
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:03 pm -
1 stop6h 57m
Sat 11/218:00 am -
1 stop8h 10m
Deal found 8/23![Delta logo]()
$396
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:15 am -
1 stop6h 05m
Mon 10/57:00 am -
1 stop6h 51m
Deal found 8/24![United Airlines logo]()
$398
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 pm -
1 stop6h 59m
Thu 10/11:53 pm -
1 stop8h 02m
Deal found 8/23![American Airlines logo]()
$404
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:10 pm -
1 stop5h 55m
Sat 11/216:50 am -
2 stops10h 00m
Deal found 8/25![Southwest logo]()
$406
Best flights from Portland to Key LargoDiscover carefully curated flight deals from Portland 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 Portland 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 Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:12 am -
1 stop8h 18m
Mon 12/145:51 pm -
1 stop6h 30m
Deal found 8/26![Delta logo]()
$369
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/85:20 am -
2 stops11h 40m
Sat 2/136:30 am -
2 stops9h 55m
Deal found 8/25![Southwest logo]()
$379
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:30 am -
2 stops9h 06m
Fri 10/305:28 pm -
1 stop5h 53m
Deal found 8/24![United Airlines logo]()
$384
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/296:30 am -
1 stop8h 25m
Sat 2/63:35 pm -
1 stop8h 14m
Deal found 8/22![Delta logo]()
$379
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:41 pm -
1 stop7h 58m
Tue 10/279:00 am -
2 stops10h 02m
Deal found 8/24![United Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:05 pm -
1 stop8h 17m
Sat 11/215:51 pm -
1 stop6h 28m
Deal found 8/26![Delta logo]()
$425
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:10 pm -
1 stop5h 55m
Sun 11/227:05 am -
2 stops9h 25m
Deal found 8/21![Southwest logo]()
$484
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:15 am -
1 stop6h 05m
Sat 10/38:54 am -
2 stops10h 30m
Deal found 8/21![United Airlines logo]()
$464
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.
Tue 12/15:29 pm -
1 stop5h 42m
Mon 12/711:20 am -
2 stops12h 01m
Deal found 8/21![Delta logo]()
$451
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:41 pm -
1 stop7h 58m
Tue 10/2712:17 pm -
2 stops11h 04m
Deal found 8/24![United Airlines logo]()
$464
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:15 am -
2 stops9h 36m
Sun 9/207:00 am -
1 stop6h 55m
Deal found 8/23![United Airlines logo]()
$538
Last-minute flights from Portland to Key LargoDiscover last-minute flight deals from Portland to Key Largo. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Key Largo. Data last updated August 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:18 pm -
1 stop6h 41m
Sun 9/209:04 am -
1 stop6h 37m
Deal found 8/26![American Airlines logo]()
$443
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:41 pm -
1 stop6h 02m
Sun 9/2010:00 am -
1 stop5h 41m
Deal found 8/21![American Airlines logo]()
$415
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:42 pm -
1 stop8h 09m
Fri 9/253:31 pm -
1 stop8h 14m
Deal found 8/25![American Airlines logo]()
$389
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:15 am -
1 stop5h 56m
Sat 9/2612:29 pm -
2 stops10h 59m
Deal found 8/21![United Airlines logo]()
$374
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 9/225:15 am -
2 stops9h 31m
Tue 9/291:26 pm -
2 stops10h 02m
Deal found 8/25![United Airlines logo]()
$437
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 pm -
1 stop6h 59m
Sat 10/311:15 am -
1 stop8h 23m
Deal found 8/21![American Airlines logo]()
$369
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:30 am -
1 stop5h 50m
Sat 10/33:31 pm -
1 stop6h 14m
Deal found 8/23![American Airlines logo]()
$370
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:40 am -
2 stops9h 15m
Sat 10/35:00 pm -
1 stop5h 10m
Deal found 8/25![Southwest logo]()
$419
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:15 am -
1 stop6h 05m
Mon 10/57:00 am -
1 stop6h 51m
Deal found 8/24![United Airlines logo]()
$398
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 pm -
1 stop6h 59m
Thu 10/11:53 pm -
1 stop8h 02m
Deal found 8/23![American Airlines logo]()
$404
One-way flights from Portland to Key LargoSearch for one-way flight options from Portland 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 Portland 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 8/24. 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 10/315:09 pm -
1 stop29h 10m
Deal found 8/24![Multiple Airlines logo]()
$161
This Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/206:00 am -
1 stop8h 34m
Deal found 8/26![Delta logo]()
$185
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:45 am -
2 stops10h 20m
Deal found 8/24![Southwest logo]()
$190
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:03 pm -
1 stop6h 57m
Deal found 8/22![Delta logo]()
$195
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/215:35 am -
2 stops10h 10m
Deal found 8/24![Southwest logo]()
$200
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/273:40 pm -
1 stop8h 18m
Deal found 8/23![United Airlines logo]()
$203
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 10/93:53 pm -
2 stops29h 31m
Deal found 8/25![Multiple Airlines logo]()
$214
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:10 pm -
1 stop5h 55m
Deal found 8/25![Southwest logo]()
$217
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 9/186:00 am -
3 stops32h 39m
Deal found 8/23![Multiple Airlines logo]()
$222
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/612:35 pm -
2 stops8h 35m
Deal found 8/25![American Airlines logo]()
$225
Find flight deals from Portland to Key Largo
Keep the following information in mind while searching for Portland 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 | $297 (Kiwi.com) |
One-way from | $161 (Kiwi.com) |
Popular in | August |
Cheapest in | January |
Average price | $529 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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 Portland to Key Largo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandMiami
PWM Portland - MIA Miami
PWMMIA
Portland
Sat 12/5
6:12 am-2:30 pm
1 stop8h 18m
Miami
Mon 12/14
5:51 pm-12:21 am
1 stop6h 30m
$369
PortlandMiami
PWM Portland - MIA Miami
PWMMIA
Portland
Mon 2/8
5:20 am-5:00 pm
2 stops11h 40m
Miami
Sat 2/13
6:30 am-4:25 pm
2 stops9h 55m
$379
PortlandMiami
PWM Portland - MIA Miami
PWMMIA
Portland
Fri 1/29
6:30 am-2:55 pm
1 stop8h 25m
Miami
Sat 2/6
3:35 pm-11:49 pm
1 stop8h 14m
$379
PortlandMiami
PWM Portland - MIA Miami
PWMMIA
Portland
Tue 10/27
5:30 am-2:36 pm
2 stops9h 06m
Miami
Fri 10/30
5:28 pm-11:21 pm
1 stop5h 53m
$384
Quickest round-trip
PortlandMiami
PWM Portland - MIA Miami
PWMMIA
Portland
Fri 11/13
2:05 pm-10:22 pm
1 stop8h 17m
Miami
Sat 11/21
5:51 pm-12:19 am
1 stop6h 28m
$425
PortlandMiami
PWM Portland - MIA Miami
PWMMIA
Portland
Tue 12/1
5:29 pm-11:11 pm
1 stop5h 42m
Miami
Mon 12/7
11:20 am-11:21 pm
2 stops12h 01m
$451
PortlandMiami
PWM Portland - MIA Miami
PWMMIA
Portland
Wed 10/21
3:41 pm-11:39 pm
1 stop7h 58m
Miami
Tue 10/27
9:00 am-7:02 pm
2 stops10h 02m
$464
PortlandMiami
PWM Portland - MIA Miami
PWMMIA
Portland
Thu 9/24
5:15 am-11:20 am
1 stop6h 05m
Miami
Sat 10/3
8:54 am-7:24 pm
2 stops10h 30m
$464
PortlandMiami
PWM Portland - MIA Miami
PWMMIA
Portland
Sat 10/24
3:41 pm-11:39 pm
1 stop7h 58m
Miami
Tue 10/27
12:17 pm-11:21 pm
2 stops11h 04m
$464
PortlandMiami
PWM Portland - MIA Miami
PWMMIA
Portland
Fri 11/20
5:10 pm-11:05 pm
1 stop5h 55m
Miami
Sun 11/22
7:05 am-4:30 pm
2 stops9h 25m
$484
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Portland to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Portland with our price prediction graph.
PWM-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 Portland to Key Largo
PWM-KE9
PWM-MIA
What is the cheapest time of day to fly from PWM to KE9?
Find hourly flight availability from Portland 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.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Key Largo as you normally would.
How much does it cost to fly round-trip from Portland, Maine to Key Largo?
Airfare is below average for this route at the moment.
Portland, Maine to Key Largo flights typically cost between $324 and $552 in November.The cheapest round-trip price found within the last 5 days was $297 on Multiple Airlines (Nov 4-Nov 14).
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 reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Portland to Key Largo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Portland 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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Portland and Key Largo flights
Browse other Portland and Key Largo flight options. Last updated on August 26, 2026.
Other flights from Portland
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Portland to Key Largo flights
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Top 5 airlines flying from Portland to Key Largo
Discover the top 5 airlines that operate flights from Portland 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$118 | Average$423 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$209 | Average$364 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$215 | Average$425 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$439 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$386 | FlexibilityNo cancel fee | On-time69% |