Cheap Flights from Seattle to Sinaloa from £343 Return

Flight deals from Seattle to Sinaloa

Looking for a cheap last-minute deal or the best return flight from Seattle to Sinaloa? If you want to travel next month, return fares start from £352. Find the lowest prices on one-way and return tickets right here.

Culiacan.£343 per passenger.Departing Thu, 24 Sep, returning Mon, 28 Sep.Return flight with Volaris.Outbound indirect flight with Volaris, departs from Seattle / Tacoma International on Thu, 24 Sep, arriving in Culiacan.Inbound indirect flight with Volaris, departs from Culiacan on Mon, 28 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £343, select.

Los Mochis.£352 per passenger.Departing Sat, 11 Jul, returning Sat, 18 Jul.Return flight with Volaris.Outbound indirect flight with Volaris, departs from Seattle / Tacoma International on Sat, 11 Jul, arriving in Los Mochis.Inbound indirect flight with Volaris, departs from Los Mochis on Sat, 18 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £352, select.

Mazatlan.£362 per passenger.Departing Mon, 6 Jul, returning Mon, 13 Jul.Return flight with Volaris and Viva.Outbound indirect flight with Volaris, departs from Seattle / Tacoma International on Mon, 6 Jul, arriving in Mazatlan.Inbound indirect flight with Viva, departs from Mazatlan on Mon, 13 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £362, select.

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Flying from Seattle to Sinaloa

Arm yourself with these facts on the fly.

Cheapest flight found	£343
Cheapest month to fly	September
Cheapest airport to fly from	Seattle / Tacoma International

How to find cheap flights from Seattle to Sinaloa

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Seattle to Sinaloa. Other savvy travellers recently found return flights from £343 and one-way tickets from £115 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Seattle / Tacoma International into Culiacan

At the moment, the lowest priced flight tickets to Sinaloa are from Seattle / Tacoma International Airport to Culiacan Airport.

Fly in September

We crunched the flight calendar and found the cheapest time to fly from Seattle to Sinaloa is currently September.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Seattle to anywhere you choose in Sinaloa.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Seattle to Sinaloa go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Sinaloa to Sinaloa flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Seattle to Sinaloa flight price?

We looked at all of the upcoming return flights from Seattle to Sinaloa we could find over the next 12 months. It looks like £343 is the best price. This is good, compared to the average Sinaloa ticket price of £352.

What is the cheapest month to fly from Seattle to Sinaloa?

The cheapest month to fly from Seattle to Mazatlan Airport is currently July. The cheapest month to fly from Seattle to Los Mochis Airport is usually July. And the cheapest month to fly from Seattle to Culiacan Airport is usually September.

Which upcoming date is cheapest to fly from Seattle to Sinaloa on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Sinaloa on Thursday, 24 September 2026.