Cheap Flights from Seattle to Santiago from $1,172

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Flight deals from Seattle to Santiago

Looking for a cheap last-minute deal or the best return flight from Seattle to Santiago Airport? If you want to travel next month, return fares start from $1,667. Find the lowest prices on one-way and return tickets right here.

Santiago.$1,172 per passenger.Departing Wed, 30 Sep, returning Wed, 21 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Wed, 30 Sep, arriving in Santiago.Inbound indirect flight with Delta, departs from Santiago on Wed, 21 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,172, select.

Santiago.$1,176 per passenger.Departing Wed, 9 Sep, returning Wed, 23 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Wed, 9 Sep, arriving in Santiago.Inbound indirect flight with Delta, departs from Santiago on Wed, 23 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,176, select.

Santiago.$1,631 per passenger.Departing Wed, 29 Jul, returning Tue, 4 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Wed, 29 Jul, arriving in Santiago.Inbound indirect flight with Delta, departs from Santiago on Tue, 4 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,631, select.

Santiago.$1,667 per passenger.Departing Sun, 16 Aug, returning Sun, 23 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Sun, 16 Aug, arriving in Santiago.Inbound indirect flight with Delta, departs from Santiago on Sun, 23 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,667, select.

Santiago.$1,698 per passenger.Departing Sat, 13 Feb, returning Sat, 20 Feb.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Sat, 13 Feb, arriving in Santiago.Inbound indirect flight with United, departs from Santiago on Sat, 20 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,698, select.

Santiago.$2,042 per passenger.Departing Tue, 15 Dec, returning Thu, 31 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Tue, 15 Dec, arriving in Santiago.Inbound indirect flight with Delta, departs from Santiago on Thu, 31 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,042, select.

Santiago.$2,045 per passenger.Departing Sat, 25 Jul, returning Fri, 31 Jul.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Sat, 25 Jul, arriving in Santiago.Inbound indirect flight with United, departs from Santiago on Fri, 31 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,045, select.

Find the cheapest month to fly from Seattle to Santiago

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Santiago flights are currently cheapest in September.

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Seattle to Santiago: Alternative routes

Compare routes from Seattle to Santiago below. You may find an airport to fly into that's cheaper, faster, or easier than Santiago.

Santiago

2km from central Santiago

ClosestCheapest

from $1,172

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Puerto Plata

36km from central Santiago

from $1,659

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Seattle to Santiago: Flight information

The things to know before you go.

Cheapest flight found	$1,172
Cheapest month to fly	September

Finding cheap flights from Seattle to Santiago: Frequently asked questions

How much are return flights from Seattle to Santiago?

The best price we found for a return flight from Seattle to Santiago is $1,172. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Seattle to Santiago?

Currently, there are no airlines that fly direct from Seattle to Santiago. But we found flights with one stop from $1,172.

How many flights are there a week from Seattle to Santiago?

As of July 2026, there are no flights flying from Seattle to Santiago.

When is the cheapest time to fly from Seattle to Santiago?

The cheapest month to fly from Seattle to Santiago is usually September.

Which upcoming date is cheapest to fly from Seattle to Santiago Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Santiago Airport on Wednesday, 30 September 2026.

Can I get a direct flight from Seattle to Santiago Airport?

No airlines currently offer direct flights between Seattle and Santiago Airport. Most routes have one or more stops.

How can I find the best flight deal to Santiago?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Santiago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Santiago?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Santiago is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Seattle to Santiago with?

The cheapest airline that flies to Santiago is Delta .

Travelling from Seattle to Cibao International Airport (STI): What you need to know

The timezone in Santiago is UTC-4, which is four hours ahead of Seattle. Cibao International Airport is located in Santiago.
Arrive at the airport on time so you don't miss your flight from Seattle to STI. Be there at least two hours ahead for international flights and an hour early for domestic departures to skip the mad dash to your gate.
July is a busy month for air travel. If you're heading away then or during a major holiday like Thanksgiving or Christmas, get there even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

Stopovers are the perfect opportunity to break up your trip and maybe even tour another city. When searching for cheap flights from Seattle to STI departing from Seattle-Tacoma International Airport (SEA), uncheck the 'Direct flights only' box to find out where you can visit along the way. Here's where you could connect through:
- New York John F. Kennedy International Airport (JFK)
- Newark Liberty International Airport (EWR)
- Fort Lauderdale-Hollywood International Airport (FLL)
SEA is around 23 kilometres from central Seattle. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 25 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the trip time to be around 35 minutes.
Catching an early flight from Seattle to Cibao International Airport? Avoid the mad dash to the terminal (and get some extra shut-eye) by staying at one of these stays near Seattle-Tacoma International Airport:
Seattle-Tacoma International Airport has a solid on-time record, reducing your chances of a delayed flight. Departures from SEA land at their destination as scheduled 80% of the time.

Seattle Paine Field International Airport (PAE)

Using public transport, you can travel from central Seattle to PAE in about 1 hour 30 minutes. The airport is roughly 40 kilometres away, and making the trip by car will take approximately 40 minutes.
Start your holiday early with an additional night away from home. Before catching your Seattle to STI flight, unwind in one of these hotels close to Seattle Paine Field International Airport:
The majority of flights that leave Seattle Paine Field International Airport arrive at their destination within the expected time frame. It boasts a strong on-time performance rate of 80%.

About Cibao International Airport (STI)

Book a hotel close to STI if you have a late flight from Seattle to Cibao International Airport. Select one of these accommodation options and get some sleep sooner:
For the lowest price, book your ride around one week in advance of your Seattle to Cibao International Airport flight.

Getting from Cibao International Airport (STI) to central Santiago

Central Santiago is around 16 kilometres from Cibao International Airport and takes about 25 minutes to reach by car. See what your options are for heading into the city, whether that's with a taxi, car hire or ride-share.
If you're using public transport, expect a journey time of about 40 minutes.

How to find the cheapest flights from Seattle to Cibao International Airport (STI)

$556 is the best price for a one-way ticket from Seattle to Cibao International Airport. A return flight starts at $1,172. These fares can change depending on availability and demand.
To find cheap flights from Seattle to STI, book early. Airlines usually offer lower fares when flights are first released.
Affordable Seattle to Cibao International Airport tickets are easier to find when you have flexibility in your schedule. Try using the 'Whole month' tool to compare fares throughout the month and then pick the cheapest day.
Stay on top of deals for plane tickets from Seattle to STI by setting up a Price Alert. We'll send you an email or notification on the app when prices go down.
Tailor your travel plans using filters. Select your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Seattle to Cibao International Airport.

The best time to fly from Seattle to Cibao International Airport (STI)

It's time to figure out your travel dates for your flight from Seattle to Cibao International Airport (STI). August is when most people travel to Santiago. If crowds aren't your thing, go in December.
When booking your Seattle to STI plane ticket, consider the kind of weather forecast you're hoping for. August is the warmest month in Santiago, with temperatures ranging from 21ºC to 33ºC.
January sees temperatures of between 16ºC and 29ºC. Search for cheap tickets from Seattle to Cibao International Airport around that time if you want to travel in cooler conditions.

More about Santiago

When it comes to looking for somewhere to rest your head, you'll find the best places to stay in Santiago right here. Browse these hotels as soon as you've booked your flight from Seattle to Cibao International Airport:
There are so many things to discover in this city, it can be tricky to know where to begin. MTB National Park, Catedral de Santiago Apostol and Monument to the Heroes of the Restoration are top sights which should be on any well-planned Santiago itinerary.

Explore more of the Dominican Republic

Santiago has plenty going for it, but there are so many other corners of the Dominican Republic waiting to be explored. Around 129 kilometres southeast of Santiago, a trip to Santo Domingo will keep your itinerary busy. Start with leading attractions like Catedral Primada de las Americas, Alcazar de Colon and The Cathedral of the Americas.
If you're looking to explore another major stop in the Dominican Republic, consider Santo Domingo Este, roughly 129 kilometres southeast of Santiago. Lago los tres ojos, National Aquarium and La Cueva del Eden are the start of reasons to visit.