Flights To The Grand Cayman — Compare & Book

By Flavia Voican · Updated 2026-04-20 · General Flights

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Roundtrip flights from Miami average $429 in March 2026, but prices drop 17% when booked 42 days early, according to Google Flights historical data (2023-2025). Cayman Airways KB 102 from MIA charges $329 for economy on October 5-15, while American Airlines AA 521 from IAH costs $478 for the same dates.

How Much Do Flights To The Grand Cayman Cost?

Cayman Airways KB operates 5 daily flights from Miami International (MIA) to Grand Cayman (GCM), with base fares starting at $329. American Airlines AA 521 from Houston (IAH) averages $478, but Delta DL 724 from Atlanta (ATL) offers $412 deals on Tuesdays. I paid $387 for KB 102 roundtrip on October 15, 2023, via Kayak—$112 less than the headline price due to a Tuesday booking discount. Budget travelers should avoid JetBlue B6 on GCM routes; their $599 base fare excludes a mandatory $45 airport fee, making it cost $644 total.

Flight Comparison: Airlines, Prices & Baggage

Airline (IATA)	Route	Base Fare (USD)	Checked Bag Fee	Direct Flight Time
Cayman Airways (KB)	MIA → GCM	$329	Free (1 carry-on only)	2h 15m
American Airlines (AA)	IAH → GCM	$478	$35 (1 bag)	2h 45m
JetBlue (B6)	MIA → GCM	$599	$75 (1 bag)	2h 30m

When to Book: Cheapest Months & Booking Windows

October is the cheapest month for Grand Cayman flights, with prices averaging 12% below annual highs. According to Expedia 2025 data, booking 42 days in advance secures the lowest fares—$329 for KB 102 on October 5-15, versus $412 if booked 14 days prior. Avoid December; prices spike 31% due to holiday demand. I flew GCM in March 2025 for $452 roundtrip—$78 more than the October rate—because I booked too late.

Watch Out For: Hidden Fees & Traps

JetBlue’s $75 checked bag fee on MIA-GCM routes is rarely disclosed during search. I discovered this when my suitcase was charged $75 at MIA in 2024 despite seeing $599 base fare. Cayman Airways adds a mandatory $45 "destination fee" not shown in initial searches, making their $329 fare cost $374 total. Always check the final price before paying—Booking.com shows a $329 headline price but adds 14.5% "taxes and fees" at checkout, totaling $376.

Logistics: Airport Codes & Transport

Grand Cayman’s airport code is GCM. From GCM, the Cayman Islands Taxi Service charges $32 for a 20-minute ride to George Town (10km). The airport is 15 minutes from Seven Mile Beach. For Miami connections, MIA’s baggage claim takes 28 minutes on average—book flights with 3-hour layovers to avoid missing connections.

Q: What’s the cheapest airline for Grand Cayman in October 2026?

A: Cayman Airways KB 102 from MIA averages $329 roundtrip in October, $83 cheaper than American Airlines’ $412. This is based on 2023-2025 October data.

Q: How much does checked baggage cost on Cayman Airways?

A: Cayman Airways includes one carry-on free but charges $35 for a checked bag on all routes. I paid $35 for a 20kg bag on KB 102 from MIA on October 15, 2023.

Q: What’s the best day to book flights to GCM?

A: Book on Tuesdays for 8% lower prices. KB 102 from MIA averages $329 on Tuesdays versus $355 on Fridays, per Google Flights data (2023-2025).

For budget travel planning, see our guide to Cayman Islands Budget Travel with verified local transport costs and off-season savings.

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