The cheapest times to fly from SEA to SCQ are

  • January 1st to April 1st
  • May 7th to June 10th
  • October 15th to December 9th (except the week of October 22nd)

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 SCQ is mid February. Prices can be as high as $2565 for Saturday flights during early August, or as low as $870 for Tuesday flights around mid February.


When to Fly to Santiago de Compostela

Flying from Seattle, WA (SEA) to Santiago de Compostela (SCQ) will usually cost between $895 to $1953 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid February with an average ticket price of $987. Due to high demand the most expensive time to fly is early August, with an average price of $1952. Planning your trip to low-cost times can easily save you $965 on economy flights and even more on first-class flights. Generally, any price below $1313 can be considered a good price for a round-trip SEA to SCQ flight.

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

SEA to SCQ Flight Prices

Compared to other flights, the SEA to SCQ flight is slightly more expensive than the average and costs slightly more than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.16, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to SCQ, and Thursday the cheapest day to fly back into SEA. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $308 (21%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1179. Return trip prices are from the SCQ 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 SCQ can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 60 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 SEA to SCQ while comparing.

Destination alternative #1: Porto Airport (OPO) in Porto

  • 115 miles (185 km) away from SCQ
  • Usually 18.55% less expensive than SCQ
  • 1-layover flights available

See SEA to OPO flights


Flight Hacking SEA to SCQ

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 SCQ — but Champion Traveler does!

Hack #1: London (SEA > LGW > SCQ)

  • Price for both tickets: $679
  • Average savings: $634 (48.29%)

See SEA to LGW flights

Hack #2: Dublin (SEA > DUB > SCQ)

  • Price for both tickets: $780
  • Average savings: $533 (40.59%)

See SEA to DUB flights

Hack #3: Boston, MA (SEA > BOS > SCQ)

  • Price for both tickets: $859
  • Average savings: $454 (34.58%)

See SEA to BOS flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 15 major airlines flying this route most often: Aer Lingus, Air Canada, Air France, Alaska, American, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Singapore Airlines, SWISS, United, Virgin Atlantic, and potentially more during busy seasons.

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

The distance between the two airports is roughly 5008 miles or 8060 kilometers.

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

The real-world flight time for a nonstop SEA to SCQ flight is about 9 hour 60 minutes.

How many flights go between Seattle, WA and Santiago de Compostela?

It depends on the day of the week and the date, but a typical day might have around 12 available flights from SEA to SCQ.


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 SCQ
Destination airport name Santiago Airport
City Santiago de Compostela
Country Spain
Latitude 42.9
Longitude -8.4


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.