$228 Cheap Flights from Seattle (SEA) to Santo Domingo (SDQ)

View $228 flight on Wed, Oct 8, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Las Americas Intl. Airport (SDQ)

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Cheap Flights from Seattle to Santo Domingo (SEA-SDQ)

Prices were available within the past 7 days and start at $228 for one-way flights and $479 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Nov 17 - Tue, Nov 25
SEA
Seattle
SDQ
Santo Domingo
$479 Roundtrip, found 1 hour ago
$479
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Nov 17 from Seattle to Santo Domingo, returning Tue, Nov 25, priced at $479 found 1 hour ago
JetBlue Airways
Wed, Oct 8 - Sat, Oct 18
SEA
Seattle
SDQ
Santo Domingo
$479 Roundtrip, just found
$479
Roundtrip
just found
Select JetBlue Airways flight, departing Wed, Oct 8 from Seattle to Santo Domingo, returning Sat, Oct 18, priced at $479 just found
United
Sat, Oct 25 - Fri, Nov 14
SEA
Seattle
SDQ
Santo Domingo
$479 Roundtrip, found 4 hours ago
$479
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Oct 25 from Seattle to Santo Domingo, returning Fri, Nov 14, priced at $479 found 4 hours ago
American Airlines
Mon, Sep 1 - Sat, Sep 6
SEA
Seattle
SDQ
Santo Domingo
$483 Roundtrip, found 1 hour ago
$483
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Sep 1 from Seattle to Santo Domingo, returning Sat, Sep 6, priced at $483 found 1 hour ago
American Airlines
Thu, Aug 21 - Sun, Aug 24
SEA
Seattle
SDQ
Santo Domingo
$488 Roundtrip, found 17 hours ago
$488
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Aug 21 from Seattle to Santo Domingo, returning Sun, Aug 24, priced at $488 found 17 hours ago
United
Wed, Oct 29 - Wed, Nov 12
SEA
Seattle
SDQ
Santo Domingo
$491 Roundtrip, found 11 hours ago
$491
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Oct 29 from Seattle to Santo Domingo, returning Wed, Nov 12, priced at $491 found 11 hours ago
JetBlue Airways
Fri, Oct 3 - Thu, Oct 9
SEA
Seattle
SDQ
Santo Domingo
$491 Roundtrip, found 9 hours ago
$491
Roundtrip
found 9 hours ago
Select JetBlue Airways flight, departing Fri, Oct 3 from Seattle to Santo Domingo, returning Thu, Oct 9, priced at $491 found 9 hours ago
American Airlines
Mon, Nov 17 - Tue, Nov 25
SEA
Seattle
SDQ
Santo Domingo
$492 Roundtrip, found 1 hour ago
$492
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Nov 17 from Seattle to Santo Domingo, returning Tue, Nov 25, priced at $492 found 1 hour ago
Delta
Thu, Nov 27 - Tue, Dec 2
SEA
Seattle
SDQ
Santo Domingo
$499 Roundtrip, found 2 hours ago
$499
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Nov 27 from Seattle to Santo Domingo, returning Tue, Dec 2, priced at $499 found 2 hours ago
Frontier Airlines
Sat, Aug 9 - Fri, Aug 15
SEA
Seattle
SDQ
Santo Domingo
$540 Roundtrip, found 4 days ago
$540
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Aug 9 from Seattle to Santo Domingo, returning Fri, Aug 15, priced at $540 found 4 days ago

Find the cheapest month to fly from Seattle (SEA) to Santo Domingo (SDQ)

September is typically the cheapest month to fly

From $361 - $668 per traveler.

Graph displaying average flight prices per month

Alternative airports near Santo Domingo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Las Americas Intl. SDQ. Cheapest option available. Average driving time to city center is 22 minutes. Flights from $645
SDQ
Las Americas Intl.
Cheapest
Average driving time to city center22 min
Flights from $645
Flights from Seattle (SEA) to Santo Domingo (SDQ)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Las Americas Intl.
Airlines serving
American Airlines, Copa, Delta, Frontier Airlines, JetBlue Airways, United
Roundtrip price
$478
Distance
3558 mi

Seattle to Santo Domingo Flights

The cheapest times to fly from Seattle to Santo Domingo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Santo Domingo are during the month of November. You can find some of the cheapest flights from Seattle to Santo Domingo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Santo Domingo

Sunday is one of the best days to book for cheap flights from Seattle to Santo Domingo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Santo Domingo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Santo Domingo in 2025. You can also book with separate airlines for your outbound and return journeys, from $228 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Santo Domingo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Santo Domingo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Las Americas Intl. Airport (SDQ) cost?
Discover the latest flight deals from SEA to SDQ by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SEA to SDQ?
The cheapest flights from SEA to SDQ are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SEA to SDQ?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SEA to SDQ. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Las Americas Intl. Airport (SDQ)?
There are no daily direct flights available from Seattle - Tacoma Intl. Airport (SEA) to Las Americas Intl. Airport (SDQ). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from SEA to SDQ?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Las Americas Intl. Airport (SDQ)?
To land at Las Americas Intl. Airport (SDQ) on time, opt for a flight that leaves Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Las Americas Intl. Airport (SDQ) last-minute?
Waiting until just before your departure to book your flight from SEA to SDQ generally means paying more. While you may come across some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible for a better chance of getting a bargain.
Is it cheaper to book a SEA to SDQ flight and hotel package?
You'll typically save money by booking a SEA to SDQ flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your ideal flights and accommodations, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Las Americas Intl. Airport (SDQ)?
Typically, you can cancel or modify your SEA to SDQ flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, visit our Customer Service portal.

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*Available to One Key members.