$50+ Cheap flights from Baltimore (BWI) 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — MIA
Aug 11 — Aug 181
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore 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 Baltimore/Washington to Key Largo are usually found in September or October, booked 66 days in advance, depart on a Monday or Saturday and return on a Friday
Cheap flight deals from Baltimore to Key Largo
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Best
Last-minute
One-way
Cheapest flights from Baltimore to Key LargoExplore the most affordable flight options available from Baltimore to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.
Explore the most affordable flight options available from Baltimore to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/87:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Sun 8/166:42 pm
MIA
- BWI
1 stop12h 44m
Frontier
Deal found 7/8![Frontier logo]()
$108
This Super.com deal was found by Cheapflights users on 7/8. 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.
Mon 7/277:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Wed 7/293:39 pm
MIA
- BWI
Nonstop2h 53m
Frontier
Deal found 7/8![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/226:45 am
BWI
- MIA
1 stop13h 44m
Frontier
Sat 8/295:08 pm
MIA
- BWI
Nonstop2h 55m
Frontier
Deal found 7/8![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/219:32 pm
BWI
- MIA
1 stop22h 57m
Frontier
Mon 8/245:08 pm
MIA
- BWI
Nonstop2h 55m
Frontier
Deal found 7/8![Frontier logo]()
$112
This Frontier deal was found by Cheapflights users on 7/10. 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 8/37:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Tue 8/43:39 pm
MIA
- BWI
Nonstop2h 53m
Frontier
Deal found 7/10![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/17:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Tue 8/43:39 pm
MIA
- BWI
Nonstop2h 53m
Frontier
Deal found 7/10![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 7/7. 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 7/227:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Wed 7/293:39 pm
MIA
- BWI
Nonstop2h 53m
Frontier
Deal found 7/7![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 7/9. 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 7/207:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Wed 7/223:39 pm
MIA
- BWI
Nonstop2h 53m
Frontier
Deal found 7/9![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 9/147:34 pm
BWI
- MIA
Nonstop2h 47m
Frontier
Tue 9/1510:03 am
MIA
- BWI
1 stop8h 33m
Frontier
Deal found 7/8![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/47:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Thu 8/68:30 am
MIA
- BWI
1 stop9h 39m
Frontier
Deal found 7/7![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 7/9. 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 10/125:46 pm
BWI
- MIA
Nonstop2h 47m
Frontier
Fri 10/162:23 pm
MIA
- BWI
Nonstop2h 38m
Frontier
Deal found 7/9![Frontier logo]()
$119
Best flights from Baltimore to Key LargoDiscover carefully curated flight deals from Baltimore to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 12, 2026.
Discover carefully curated flight deals from Baltimore to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 12, 2026.
This Delta deal was found by Cheapflights users on 7/10. 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 8/134:56 pm
BWI
- MIA
1 stop5h 55m
Delta
Sat 8/226:00 am
MIA
- BWI
1 stop7h 07m
Delta
Deal found 7/10![Delta logo]()
$231
This Southwest deal was found by Cheapflights users on 7/8. 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 9/1210:55 am
BWI
- MIA
2 stops9h 00m
Southwest
Mon 9/147:15 am
MIA
- BWI
1 stop6h 00m
Southwest
Deal found 7/8![Southwest logo]()
$234
This Delta deal was found by Cheapflights users on 7/9. 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 9/255:00 pm
BWI
- MIA
1 stop5h 33m
Delta
Sat 10/37:10 am
MIA
- BWI
1 stop5h 48m
Delta
Deal found 7/9![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 7/11. 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 8/177:40 am
BWI
- MIA
1 stop7h 40m
Southwest
Sat 8/227:00 am
MIA
- BWI
2 stops6h 35m
Southwest
Deal found 7/11![Southwest logo]()
$242
This Delta deal was found by Cheapflights users on 7/8. 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 8/144:56 pm
BWI
- MIA
1 stop5h 55m
Delta
Tue 8/186:00 am
MIA
- BWI
1 stop7h 05m
Delta
Deal found 7/8![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 7/11. 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 8/59:35 am
BWI
- MIA
1 stop5h 55m
Southwest
Wed 8/129:15 am
MIA
- BWI
2 stops8h 40m
Southwest
Deal found 7/11![Southwest logo]()
$242
This Delta deal was found by Cheapflights users on 7/8. 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 8/76:20 pm
BWI
- MIA
1 stop6h 47m
Delta
Wed 8/126:00 am
MIA
- BWI
1 stop7h 05m
Delta
Deal found 7/8![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 7/10. 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 10/103:55 pm
BWI
- MIA
1 stop6h 10m
Southwest
Mon 10/126:25 am
MIA
- BWI
Nonstop2h 35m
Southwest
Deal found 7/10![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 7/10. 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 8/121:45 pm
BWI
- MIA
2 stops6h 15m
Southwest
Sun 8/166:05 am
MIA
- BWI
1 stop8h 10m
Southwest
Deal found 7/10![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 7/8. 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 8/72:55 pm
BWI
- MIA
2 stops7h 10m
Southwest
Wed 8/129:15 am
MIA
- BWI
2 stops10h 15m
Southwest
Deal found 7/8![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 7/11. 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 9/239:10 am
BWI
- MIA
1 stop7h 55m
Southwest
Sun 9/275:50 am
MIA
- BWI
2 stops7h 40m
Southwest
Deal found 7/11![Southwest logo]()
$297
Last-minute flights from Baltimore to Key LargoDiscover last-minute flight deals from Baltimore to Key Largo. Data last updated July 12, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Key Largo. Data last updated July 12, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/10. 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 7/157:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Tue 7/283:39 pm
MIA
- BWI
Nonstop2h 53m
Frontier
Deal found 7/10![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 7/9. 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 7/207:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Wed 7/223:39 pm
MIA
- BWI
Nonstop2h 53m
Frontier
Deal found 7/9![Frontier logo]()
$116
This Super.com deal was found by Cheapflights users on 7/9. 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.
Tue 7/217:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Thu 7/303:39 pm
MIA
- BWI
Nonstop2h 53m
Frontier
Deal found 7/9![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 7/7. 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 7/227:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Wed 7/293:39 pm
MIA
- BWI
Nonstop2h 53m
Frontier
Deal found 7/7![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 7/10. 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.
Mon 7/277:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Wed 7/293:39 pm
MIA
- BWI
Nonstop2h 53m
Frontier
Deal found 7/10![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/17:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Tue 8/43:39 pm
MIA
- BWI
Nonstop2h 53m
Frontier
Deal found 7/10![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 7/10. 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 8/37:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Tue 8/43:39 pm
MIA
- BWI
Nonstop2h 53m
Frontier
Deal found 7/10![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/47:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Thu 8/68:30 am
MIA
- BWI
1 stop9h 39m
Frontier
Deal found 7/7![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/87:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Sun 8/166:42 pm
MIA
- BWI
1 stop12h 44m
Frontier
Deal found 7/8![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/219:32 pm
BWI
- MIA
1 stop22h 57m
Frontier
Mon 8/245:08 pm
MIA
- BWI
Nonstop2h 55m
Frontier
Deal found 7/8![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/226:45 am
BWI
- MIA
1 stop13h 44m
Frontier
Sat 8/295:08 pm
MIA
- BWI
Nonstop2h 55m
Frontier
Deal found 7/8![Frontier logo]()
$111
One-way flights from Baltimore to Key LargoSearch for one-way flight options from Baltimore to Key Largo. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
Search for one-way flight options from Baltimore to Key Largo. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Thu 8/137:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Deal found 7/11![Frontier logo]()
$50
This deal was found by Cheapflights users on 7/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:34 pm
BWI
- MIA
Nonstop2h 47m
Frontier
Deal found 7/10![Frontier logo]()
$51
This Booking.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Deal found 7/9![Frontier logo]()
$52
This iWofly deal was found by Cheapflights users on 7/7. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:48 pm
BWI
- MIA
Nonstop2h 53m
Frontier
Deal found 7/7![Frontier logo]()
$54
This Expedia deal was found by Cheapflights users on 7/9. 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.
Wed 7/297:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Deal found 7/9![Frontier logo]()
$55
This Frontier deal was found by Cheapflights users on 7/9. 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 8/37:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Deal found 7/9![Frontier logo]()
$56
This Super.com deal was found by Cheapflights users on 7/11. 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 8/157:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Deal found 7/11![Frontier logo]()
$57
This Frontier deal was found by Cheapflights users on 7/7. 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 7/317:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Deal found 7/7![Frontier logo]()
$59
This iWofly deal was found by Cheapflights users on 7/8. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Deal found 7/8![Frontier logo]()
$60
This Frontier deal was found by Cheapflights users on 7/10. 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 9/177:34 pm
BWI
- MIA
Nonstop2h 47m
Frontier
Deal found 7/10![Frontier logo]()
$61
This Super.com deal was found by Cheapflights users on 7/9. 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 7/257:27 pm
BWI
- MIA
Nonstop2h 52m
Frontier
Deal found 7/9![Frontier logo]()
$64
Find flight deals from Baltimore to Key Largo
Keep the following information in mind while searching for Baltimore to Key Largo flight deals. Data was last updated July 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $108 (Kiwi.com) |
One-way from | $50 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $209 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore 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 July 12, 2026.
Use the filters below to find and compare flights from Baltimore to Key Largo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreMiami
BWI - MIA
BWIMIA
Baltimore/Washington
Thu 8/13
4:56 pm-10:51 pm
1 stop5h 55m
Miami
Sat 8/22
6:00 am-1:07 pm
1 stop7h 07m
$231
BaltimoreMiami
BWI - MIA
BWIMIA
Baltimore/Washington
Fri 9/25
5:00 pm-10:33 pm
1 stop5h 33m
Miami
Sat 10/3
7:10 am-12:58 pm
1 stop5h 48m
$233
BaltimoreMiami
BWI - MIA
BWIMIA
Baltimore/Washington
Fri 8/14
4:56 pm-10:51 pm
1 stop5h 55m
Miami
Tue 8/18
6:00 am-1:05 pm
1 stop7h 05m
$233
BaltimoreMiami
BWI - MIA
BWIMIA
Baltimore/Washington
Fri 8/7
6:20 pm-1:07 am
1 stop6h 47m
Miami
Wed 8/12
6:00 am-1:05 pm
1 stop7h 05m
$233
BaltimoreMiami
BWI - MIA
BWIMIA
Baltimore/Washington
Sat 9/12
10:55 am-7:55 pm
2 stops9h 00m
Miami
Mon 9/14
7:15 am-1:15 pm
1 stop6h 00m
$234
BaltimoreMiami
BWI - MIA
BWIMIA
Baltimore/Washington
Mon 8/17
7:40 am-3:20 pm
1 stop7h 40m
Miami
Sat 8/22
7:00 am-1:35 pm
2 stops6h 35m
$242
BaltimoreMiami
BWI - MIA
BWIMIA
Baltimore/Washington
Wed 8/5
9:35 am-3:30 pm
1 stop5h 55m
Miami
Wed 8/12
9:15 am-5:55 pm
2 stops8h 40m
$242
Quickest round-trip
BaltimoreMiami
BWI - MIA
BWIMIA
Baltimore/Washington
Sat 10/10
3:55 pm-10:05 pm
1 stop6h 10m
Miami
Mon 10/12
6:25 am-9:00 am
Nonstop2h 35m
$267
BaltimoreMiami
BWI - MIA
BWIMIA
Baltimore/Washington
Wed 8/12
1:45 pm-8:00 pm
2 stops6h 15m
Miami
Sun 8/16
6:05 am-2:15 pm
1 stop8h 10m
$287
BaltimoreMiami
BWI - MIA
BWIMIA
Baltimore/Washington
Fri 8/7
2:55 pm-10:05 pm
2 stops7h 10m
Miami
Wed 8/12
9:15 am-7:30 pm
2 stops10h 15m
$292
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Baltimore with our price prediction graph.
BWI-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 Baltimore to Key Largo
BWI-KE9
BWI-MIA
What is the cheapest time of day to fly from BWI to KE9?
Find hourly flight availability from Baltimore 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 July 12, 2026.
It’s optimal to fly from Baltimore to Key Largo at noon. By choosing this option you can save up to 55% on the cost of your flight, compared to a flight in the morning.
Weekly flight availability from Baltimore to Key Largo
Explore weekly flight availability from Baltimore 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 July 12, 2026.
The most flights from BWI to KE9 are scheduled on a Friday (10 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Baltimore to Key Largo?
What is the cheapest day to fly from Baltimore to Key Largo?
Use this chart to determine the cheapest time to fly round-trip from Baltimore to Key Largo. Price data was last updated on July 11, 2026.
Travelers seeking maximum savings on their Baltimore to Key Largo flight should consider departing on Tuesday evenings when fares are most often at their lowest. Wednesday afternoons 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 July 12, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican Airlines from Baltimore to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Related info for your journey
Find useful and relevant information for your journey from Baltimore 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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Alternative routes for Baltimore 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 Baltimore to Key Largo by cabin class
Find flights from Baltimore to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baltimore and Key Largo flights
Browse other Baltimore and Key Largo flight options. Last updated on July 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Baltimore to Key Largo flights
Consider these flights traveling from Baltimore to Key Largo.
Top 6 airlines flying from Baltimore to Key Largo
Discover the top 6 airlines that operate flights from Baltimore 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 July 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$179 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$124 | Average$271 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$129 | Average$399 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$383 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$393 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$168 | Average$285 | FlexibilityNo cancel fee | On-time69% |