The cheapest times to fly from SEA to CUL are

  • January 8th to March 4th (except the week of February 12th)
  • April 16th to June 17th (except the week of April 30th)
  • September 24th to November 18th

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 CUL is early to mid October. Prices can be as high as $1517 for Sunday flights during mid December, or as low as $584 for Tuesday flights around early to mid October.


When to Fly to Culiacán

Flying from Seattle, WA (SEA) to Culiacan (CUL) will usually cost between $620 to $834 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid October with an average ticket price of $593. Due to high demand the most expensive time to fly is mid December, with an average price of $1037. Planning your trip to low-cost times can easily save you $444 on economy flights and even more on first-class flights. Generally, any price below $638 can be considered a good price for a round-trip SEA to CUL flight.

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

SEA to CUL Flight Prices

Compared to other flights, the SEA to CUL 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 $0.22, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays 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 $90 (12%) 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 $648. Return trip prices are from the CUL 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 CUL can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 10 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 CUL while comparing.

Destination alternative #1: General Rafael Buelna International Airport (MZT) in Mazatlan

  • 135 miles (217 km) away from CUL
  • Usually 16.30% less expensive than CUL
  • 1-layover flights available

See SEA to MZT flights


Flight Hacking SEA to CUL

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 CUL — but Champion Traveler does!

Hack #1: Guadalajara (SEA > GDL > CUL)

  • Price for both tickets: $487
  • Average savings: $152 (23.75%)

See SEA to GDL flights

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

  • Price for both tickets: $512
  • Average savings: $127 (19.83%)

See SEA to LAX flights

Hack #3: San Jose del Cabo (SEA > SJD > CUL)

  • Price for both tickets: $530
  • Average savings: $108 (16.93%)

See SEA to SJD flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Aeromexico, Alaska, American, Delta, Frontier, Volaris, and potentially more during busy seasons.

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

The distance between the two airports is roughly 1765 miles or 2840 kilometers.

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

The real-world flight time for a nonstop SEA to CUL flight is about 4 hour 10 minutes.

How many flights go between Seattle, WA and Culiacan?

It depends on the day of the week and the date, but a typical day might have around 55 available flights from SEA to CUL.


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 CUL
Destination airport name Culiacan International Airport
City Culiacan
Country Mexico
Latitude 24.8
Longitude -107.5


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.