The cheapest times to fly from SEA to GCM are

  • January 1st to March 11th (except the week of February 12th)
  • August 27th to December 16th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to GCM is late October. Prices can be as high as $1509 for Tuesday flights during late December, or as low as $520 for Monday flights around late October.


When to Fly to Grand Cayman

Flying from Seattle, WA (SEA) to Grand Cayman (GCM) will usually cost between $575 to $1105 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $575. Due to high demand the most expensive time to fly is late December, with an average price of $1140. Planning your trip to low-cost times can easily save you $564 on economy flights and even more on first-class flights. Generally, any price below $896 can be considered a good price for a round-trip SEA to GCM flight.

See below for a graph of average weekly prices for the SEA to GCM route. All prices are for round-trip tickets in USD.

SEA to GCM Flight Prices

Compared to other flights, the SEA to GCM flight is cheaper than the average and costs less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.19, which is below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to GCM, and Wednesday the cheapest day to fly back into SEA. Tuesdays are the most expensive days to fly to Grand Cayman, and Fridays are the most expensive days to return to Seattle. Selecting flights on the least expensive days could save you up to $94 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $833. Return trip prices are from the GCM to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SEA to GCM can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 6 hour 23 minutes may not be realistic.


Flight Hacking SEA to GCM

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SEA to GCM — but Champion Traveler does!

Hack #1: Phoenix, AZ (SEA > PHX > GCM)

  • Price for both tickets: $558
  • Average savings: $338 (37.72%)

See SEA to PHX flights

Hack #2: Los Angeles, CA (SEA > LAX > GCM)

  • Price for both tickets: $601
  • Average savings: $296 (32.98%)

See SEA to LAX flights

Hack #3: San Francisco, CA (SEA > SFO > GCM)

  • Price for both tickets: $606
  • Average savings: $290 (32.37%)

See SEA to SFO flights


Flight Questions Answered

Still have questions about flying from SEA to GCM? We’ve got answers.

Which airlines fly this route?

You can find 9 major airlines flying this route most often: Air Canada, Alaska, American, Cayman Airways, Delta, JetBlue, Southwest, United, WestJet, and potentially more during busy seasons.

How far away is it from Owen Roberts International Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 3005 miles or 4836 kilometers.

How long does it take to fly from SEA to GCM?

The real-world flight time for a nonstop SEA to GCM flight is about 6 hour 23 minutes.

How many flights go between Seattle, WA and Grand Cayman?

It depends on the day of the week and the date, but a typical day might have around 72 available flights from SEA to GCM.


Airport Location Info


Departing Airport

Origination code SEA
Origination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3

Return Airport

Destination code GCM
Destination airport name Owen Roberts International Airport
City Grand Cayman
Country the Cayman Islands
Latitude 19.3
Longitude -81.4


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.