The cheapest times to fly from GCM to SEA are

  • January 8th to April 15th (except the week of February 5th)
  • October 15th to December 23rd (except the week of December 10th)

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 GCM to SEA is early December. Prices can be as high as $1777 for Friday flights during early January, or as low as $469 for Wednesday flights around early December.


When to Fly to Seattle

Flying from Grand Cayman (GCM) to Seattle, WA (SEA) will usually cost between $571 to $1074 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $583. Due to high demand the most expensive time to fly is early January, with an average price of $1085. Planning your trip to low-cost times can easily save you $502 on economy flights and even more on first-class flights. Generally, any price below $1016 can be considered a good price for a round-trip GCM to SEA flight.

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

GCM to SEA Flight Prices

Compared to other flights, the GCM to SEA flight is priced close to the average and costs slightly more than the average flight leaving from Grand Cayman. The average price per mile (for a direct flight) is $0.21, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to SEA, and Monday the cheapest day to fly back into GCM. Fridays are the most expensive days to fly to Seattle, and Tuesdays are the most expensive days to return to Grand Cayman. 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 Wednesday and returning a week later will cost an average of $846. Return trip prices are from the SEA to GCM 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 GCM to SEA 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.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from GCM to SEA while comparing.

Destination alternative #1: Portland International Airport (PDX) in Portland, OR

  • 129 miles (208 km) away from SEA
  • Usually 43.23% less expensive than SEA
  • 1-layover flights available

See GCM to PDX flights


Flight Hacking GCM to SEA

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 GCM to SEA — but Champion Traveler does!

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

  • Price for both tickets: $608
  • Average savings: $409 (40.21%)

See GCM to MIA flights

Hack #2: Miami, FL (GCM > MIA > SEA)

  • Price for both tickets: $621
  • Average savings: $396 (38.93%)

See GCM to PHX flights

Hack #3: Tampa, FL (GCM > TPA > SEA)

  • Price for both tickets: $640
  • Average savings: $376 (37.01%)

See GCM to TPA flights


Flight Questions Answered

Still have questions about flying from GCM to SEA? 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 Seattle/Tacoma International Airport to Owen Roberts International Airport?

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

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

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

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

It depends on the day of the week and the date, but a typical day might have around 21 available flights from GCM to SEA.


Airport Location Info


Departing Airport

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

Return Airport

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


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.