$85+ Cheap flights from Grand Rapids (GRR) 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
GRR — MIA
Feb 11 — Feb 181
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Grand Rapids 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 Grand Rapids Gerald R. Ford Intl to Key Largo are usually found in September or January, booked 42 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from Grand Rapids to Key Largo
Keep the following information in mind while searching for Grand Rapids to Key Largo flight deals. Data was last updated January 12, 2026.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $251 (Delta) |
One-way from | $85 (Priceline) |
Popular in | December |
Cheapest in | September |
Average price | $365 |
Find flight deals from Grand Rapids to Key Largo
Cheapest flights from Grand Rapids to Key LargoExplore the most affordable flight options available from Grand Rapids to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.
Explore the most affordable flight options available from Grand Rapids to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.
This Southwest deal was found by Cheapflights users on 1/12. 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 2/34:20 pm
GRR
- MIA
1 stop5h 10m
Southwest
Sat 2/76:45 am
MIA
- GRR
1 stop7h 30m
Southwest
Deal found 1/12![Southwest logo]()
$251
This Southwest deal was found by Cheapflights users on 1/10. 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.
Tue 3/34:20 pm
GRR
- MIA
1 stop5h 10m
Southwest
Sat 3/76:25 am
MIA
- GRR
1 stop5h 40m
Southwest
Deal found 1/10![Southwest logo]()
$254
This Southwest deal was found by Cheapflights users on 1/11. 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.
Sun 2/226:45 am
GRR
- MIA
1 stop9h 45m
Southwest
Wed 2/252:35 pm
MIA
- GRR
1 stop7h 25m
Southwest
Deal found 1/11![Southwest logo]()
$255
This United Airlines deal was found by Cheapflights users on 1/12. 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 2/36:00 am
GRR
- MIA
1 stop5h 55m
United Airlines
Sat 2/76:00 am
MIA
- GRR
2 stops9h 55m
United Airlines
Deal found 1/12![United Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 1/10. 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.
Sun 2/16:11 pm
GRR
- MIA
1 stop6h 40m
Delta
Tue 2/101:59 pm
MIA
- GRR
1 stop8h 53m
Delta
Deal found 1/10![Delta logo]()
$259
This American Airlines deal was found by Cheapflights users on 1/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:00 am
GRR
- MIA
Nonstop3h 14m
American Airlines
Tue 3/108:23 pm
MIA
- GRR
Nonstop3h 29m
American Airlines
Deal found 1/9![American Airlines logo]()
$260
This United Airlines deal was found by Cheapflights users on 1/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/411:41 am
GRR
- MIA
2 stops9h 08m
United Airlines
Tue 2/101:45 pm
MIA
- GRR
2 stops8h 15m
United Airlines
Deal found 1/11![United Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 1/10. 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 4/113:05 pm
GRR
- MIA
2 stops7h 00m
Southwest
Sat 4/186:35 am
MIA
- GRR
1 stop7h 55m
Southwest
Deal found 1/10![Southwest logo]()
$264
This Southwest deal was found by Cheapflights users on 1/10. 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.
Sun 2/221:10 pm
GRR
- MIA
1 stop10h 05m
Southwest
Sat 2/288:00 am
MIA
- GRR
2 stops10h 55m
Southwest
Deal found 1/10![Southwest logo]()
$265
This Delta deal was found by Cheapflights users on 1/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/102:24 pm
GRR
- MIA
1 stop7h 39m
Delta
Thu 2/196:00 am
MIA
- GRR
1 stop6h 07m
Delta
Deal found 1/11![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 1/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/34:00 pm
GRR
- MIA
1 stop6h 03m
Delta
Sat 2/77:15 am
MIA
- GRR
1 stop4h 49m
Delta
Deal found 1/11![Delta logo]()
$271
Cheapflights Fare Finder
Customize your flight search to find flights from Grand Rapids 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 January 12, 2026.
Use the filters below to find and compare flights from Grand Rapids to Key Largo that are best for you.
Fly from
Grand Rapids
Fly to
Key Largo
Route
Depart
Return
Price
Grand RapidsMiami
GRR - MIA
GRRMIA
Grand Rapids Gerald R. Ford Intl
Wed 2/25
6:00 am-12:29 pm
1 stop6h 29m
Miami
Wed 2/25
6:26 pm-11:55 pm
1 stop5h 29m
$251
Grand RapidsMiami
GRR - MIA
GRRMIA
Grand Rapids Gerald R. Ford Intl
Wed 2/18
9:15 am-2:58 pm
1 stop5h 43m
Miami
Wed 2/25
4:10 pm-9:56 pm
1 stop5h 46m
$251
Grand RapidsMiami
GRR - MIA
GRRMIA
Grand Rapids Gerald R. Ford Intl
Sun 2/1
6:11 pm-12:51 am
1 stop6h 40m
Miami
Sat 2/7
7:15 am-12:04 pm
1 stop4h 49m
$260
Grand RapidsMiami
GRR - MIA
GRRMIA
Grand Rapids Gerald R. Ford Intl
Tue 2/24
6:00 am-12:29 pm
1 stop6h 29m
Miami
Sat 2/28
7:00 am-12:58 pm
1 stop5h 58m
$299
Grand RapidsMiami
GRR - MIA
GRRMIA
Grand Rapids Gerald R. Ford Intl
Thu 2/19
6:10 pm-12:53 am
1 stop6h 43m
Miami
Thu 2/26
6:00 am-12:07 pm
1 stop6h 07m
$299
Grand RapidsMiami
GRR - MIA
GRRMIA
Grand Rapids Gerald R. Ford Intl
Mon 2/16
6:10 pm-12:53 am
1 stop6h 43m
Miami
Wed 2/18
12:00 pm-5:05 pm
1 stop5h 05m
$305
Grand RapidsMiami
GRR - MIA
GRRMIA
Grand Rapids Gerald R. Ford Intl
Tue 2/10
3:15 pm-9:00 pm
1 stop5h 45m
Miami
Sun 2/15
6:45 am-3:25 pm
1 stop8h 40m
$308
Grand RapidsMiami
GRR - MIA
GRRMIA
Grand Rapids Gerald R. Ford Intl
Sun 3/8
5:40 pm-10:45 pm
1 stop5h 05m
Miami
Sat 3/14
6:40 am-3:55 pm
1 stop9h 15m
$313
Grand RapidsMiami
GRR - MIA
GRRMIA
Grand Rapids Gerald R. Ford Intl
Tue 3/10
12:30 pm-9:45 pm
2 stops9h 15m
Miami
Wed 3/18
5:35 pm-11:25 pm
1 stop5h 50m
$316
Grand RapidsMiami
GRR - MIA
GRRMIA
Grand Rapids Gerald R. Ford Intl
Sat 3/14
11:20 am-7:30 pm
1 stop8h 10m
Miami
Sat 3/21
6:40 am-3:55 pm
1 stop9h 15m
$317
Showing 1-10 of 23 results
Best time to book a flight from Grand Rapids to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Grand Rapids with our price prediction graph.
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 Grand Rapids to Key Largo
How far ahead should I book a flight from Grand Rapids to Key Largo?
Use this chart to determine the optimal time to book a round-trip flight from Grand Rapids to Key Largo. Price data was last updated on January 9, 2026.
The best time to book flights from Grand Rapids to Key Largo is 42 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Grand Rapids to Key Largo?
Currently, September is the cheapest month in which you can book a flight from Grand Rapids to Key Largo (average of $89). Flying from Grand Rapids to Key Largo in August is currently the most expensive (average of $184). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from GRR to KE9?
Find hourly flight availability from Grand Rapids 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 January 12, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 29% on flights from Grand Rapids to Key Largo by exploring options for tickets at noon.
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 January 12, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Grand Rapids 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
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Grand Rapids 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 for Grand Rapids to Key Largo
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Grand Rapids to Key Largo
Discover the top 6 airlines that operate flights from Grand Rapids 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 January 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$110 | Average$258 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$116 | Average$272 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$197 | Average$432 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$398 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$238 | Average$425 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$410 | FlexibilityNo cancel fee | On-time69% |