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Cheap flights from Seattle (SEA) to Santiago de los Caballeros (STI) from $471

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — STI
May 7 — May 141
From?
To?
Tue 5/7
Tue 5/14
1 adult, Economy
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Cheap flight deals from Seattle to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Santiago de los Caballeros (STI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 2, 2024.

Popular in

December

Cheapest in

October

Average price

$849

Round-trip from

$326
High demand for flights, 28% potential price rise
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Best time to find cheap flights, 33% potential price drop
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Average for round-trip flights in May 2024
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From Seattle/Tacoma Intl to Santiago de los Caballeros
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What is the cheapest day to fly round-trip from Seattle to Santiago de los Caballeros?

Thursday flights are generally found to be more expensive for flights from Seattle to Santiago de los Caballeros. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Santiago de los Caballeros.

What is the cheapest month to fly from Seattle to Santiago de los Caballeros?

October is one of the best times of the year to fly to Santiago de los Caballeros from Seattle. Prices for October average $710 per person but you can even find prices for as low as $477. The most expensive prices can be found in the month of December. Opting for a October flight can save you 39% on your journey compared to booking in December

When is the cheapest time to fly from Seattle to Santiago de los Caballeros (SEA - STI)?

It’s typically best to fly out from Seattle to Santiago de los Caballeros in the morning. Doing so could potentially save you 16% on the flight price compared to flying at noon, which is usually more expensive.

Cheap American Airlines flights from Seattle to Santiago de los Caballeros

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Santiago de los Caballeros. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 2, 2024.
Check out some of the cheapest American Airlines flights we've come across from Seattle to Santiago de los Caballeros. Come back soon if you're not finding the exact deal you're looking for.
Sun 10/131:45 pmSEA - STI
2 stops19h 37mAmerican Airlines
Wed 10/231:41 pmSTI - SEA
2 stops22h 43mAmerican Airlines
Deal found 5/1$471
Mon 5/201:15 amSEA - STI
2 stops11h 55mAmerican Airlines
Sat 5/254:39 pmSTI - SEA
2 stops21h 29mAmerican Airlines
Deal found 5/1$508
Mon 5/278:31 pmSEA - STI
1 stop16h 39mAmerican Airlines
Fri 5/315:10 pmSTI - SEA
2 stops30h 40mAmerican Airlines
Deal found 5/1$546
Tue 8/2012:18 amSEA - STI
2 stops18h 22mAmerican Airlines
Sat 8/247:10 amSTI - SEA
2 stops19h 25mAmerican Airlines
Deal found 5/1$548
Sun 10/1310:15 pmSEA - STI
1 stop11h 07mAmerican Airlines
Wed 10/231:41 pmSTI - SEA
1 stop12h 39mAmerican Airlines
Deal found 5/1$553
Wed 8/218:30 pmSEA - STI
1 stop22h 10mAmerican Airlines
Sat 8/247:10 amSTI - SEA
2 stops19h 25mAmerican Airlines
Deal found 5/1$559
Tue 5/211:15 amSEA - STI
2 stops11h 55mAmerican Airlines
Sat 5/254:39 pmSTI - SEA
2 stops21h 29mAmerican Airlines
Deal found 5/1$566
Wed 5/221:48 pmSEA - STI
2 stops20h 31mAmerican Airlines
Sat 5/254:39 pmSTI - SEA
2 stops29h 52mAmerican Airlines
Deal found 5/1$590
Fri 5/248:31 pmSEA - STI
1 stop13h 48mAmerican Airlines
Sat 6/12:24 pmSTI - SEA
1 stop12h 16mAmerican Airlines
Deal found 5/1$603

Cheap Delta flights from Seattle to Santiago de los Caballeros

Explore cheap flight options specifically provided by Delta for the route between Seattle and Santiago de los Caballeros. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 2, 2024.
Some of the best deals we've found on Delta flights traveling from Seattle to Santiago de los Caballeros. Ensure the flight price, dates, time, and airline match your criteria before you book.
Mon 5/2012:40 amSEA - STI
2 stops21h 16mDelta
Sat 5/256:15 amSTI - SEA
1 stop19h 03mDelta
Deal found 5/1$500
Wed 5/227:10 amSEA - STI
1 stop14h 46mDelta
Sat 5/256:15 amSTI - SEA
1 stop19h 03mDelta
Deal found 5/1$563
Sun 5/2612:40 amSEA - STI
2 stops21h 16mDelta
Fri 5/316:15 amSTI - SEA
1 stop19h 03mDelta
Deal found 5/1$666
Sat 10/1212:35 amSEA - STI
2 stops13h 38mDelta
Wed 10/236:45 pmSTI - SEA
2 stops24h 22mDelta
Deal found 5/1$775
Thu 7/43:55 pmSEA - STI
1 stop17h 38mDelta
Wed 7/107:00 amSTI - SEA
1 stop18h 25mDelta
Deal found 5/1$995
Wed 7/311:00 pmSEA - STI
1 stop17h 49mDelta
Tue 7/97:00 amSTI - SEA
1 stop18h 25mDelta
Deal found 5/1$1,145
Wed 7/35:40 pmSEA - STI
2 stops15h 53mDelta
Tue 7/91:29 pmSTI - SEA
2 stops21h 08mDelta
Deal found 5/1$1,150
Wed 7/312:25 amSEA - STI
2 stops16h 24mDelta
Wed 7/107:00 amSTI - SEA
1 stop18h 25mDelta
Deal found 5/1$1,303
Thu 7/45:10 pmSEA - STI
2 stops16h 23mDelta
Wed 7/107:00 amSTI - SEA
2 stops16h 47mDelta
Deal found 5/1$1,573

Cheap Seattle to Santiago de los Caballeros flights in May & June 2024

Find cheap flight options from Seattle to Santiago de los Caballeros specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Prices were last updated on May 2, 2024.
These are some of the best deals we've found on flights to Santiago de los Caballeros in 2024 at this time. Check back soon for alternative fares.
Mon 5/2012:40 amSEA - STI
2 stops21h 16mDelta
Sat 5/256:15 amSTI - SEA
1 stop19h 03mDelta
Deal found 5/1$500
Mon 5/201:15 amSEA - STI
2 stops11h 55mAmerican Airlines
Sat 5/254:39 pmSTI - SEA
2 stops21h 29mAmerican Airlines
Deal found 5/1$508
Mon 5/279:40 pmSEA - STI
3 stops25h 19mMultiple Airlines
Thu 5/302:59 amSTI - SEA
3 stops32h 01mMultiple Airlines
Deal found 5/1$528
Tue 5/2111:45 amSEA - STI
1 stop11h 01mUnited Airlines
Sat 5/252:07 pmSTI - SEA
1 stop11h 59mUnited Airlines
Deal found 5/1$534
Fri 5/249:40 pmSEA - STI
3 stops25h 19mSpirit Airlines
Fri 5/312:59 amSTI - SEA
3 stops32h 46mSpirit Airlines
Deal found 5/1$543
Mon 5/278:31 pmSEA - STI
1 stop16h 39mAmerican Airlines
Fri 5/315:10 pmSTI - SEA
2 stops30h 40mAmerican Airlines
Deal found 5/1$546
Mon 5/279:40 pmSEA - STI
2 stops25h 19mSpirit Airlines
Thu 5/302:59 amSTI - SEA
2 stops32h 46mSpirit Airlines
Deal found 5/1$560
Wed 5/227:10 amSEA - STI
1 stop14h 46mDelta
Sat 5/256:15 amSTI - SEA
1 stop19h 03mDelta
Deal found 5/1$563
Tue 5/211:15 amSEA - STI
2 stops11h 55mAmerican Airlines
Sat 5/254:39 pmSTI - SEA
2 stops21h 29mAmerican Airlines
Deal found 5/1$566

Seattle to Santiago de los Caballeros 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Santiago de los Caballeros in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 2, 2024.
These are some of the best deals we've found on flights to Santiago de los Caballeros in 2024 at this time. Check back soon for alternative fares.
Sun 10/131:45 pmSEA - STI
2 stops19h 37mAmerican Airlines
Wed 10/231:41 pmSTI - SEA
2 stops22h 43mAmerican Airlines
Deal found 5/1$471
Mon 5/2012:40 amSEA - STI
2 stops21h 16mDelta
Sat 5/256:15 amSTI - SEA
1 stop19h 03mDelta
Deal found 5/1$500
Mon 5/201:15 amSEA - STI
2 stops11h 55mAmerican Airlines
Sat 5/254:39 pmSTI - SEA
2 stops21h 29mAmerican Airlines
Deal found 5/1$508
Mon 5/279:40 pmSEA - STI
3 stops25h 19mMultiple Airlines
Thu 5/302:59 amSTI - SEA
3 stops32h 01mMultiple Airlines
Deal found 5/1$528
Tue 5/2111:45 amSEA - STI
1 stop11h 01mUnited Airlines
Sat 5/252:07 pmSTI - SEA
1 stop11h 59mUnited Airlines
Deal found 5/1$534
Fri 5/249:40 pmSEA - STI
3 stops25h 19mSpirit Airlines
Fri 5/312:59 amSTI - SEA
3 stops32h 46mSpirit Airlines
Deal found 5/1$543
Mon 5/278:31 pmSEA - STI
1 stop16h 39mAmerican Airlines
Fri 5/315:10 pmSTI - SEA
2 stops30h 40mAmerican Airlines
Deal found 5/1$546
Tue 8/2012:18 amSEA - STI
2 stops18h 22mAmerican Airlines
Sat 8/247:10 amSTI - SEA
2 stops19h 25mAmerican Airlines
Deal found 5/1$548
Sun 10/1310:15 pmSEA - STI
1 stop11h 07mAmerican Airlines
Wed 10/231:41 pmSTI - SEA
1 stop12h 39mAmerican Airlines
Deal found 5/1$553

Find flights from Seattle to Santiago de los Caballeros within your budget

Customize your flight search to find flights from Seattle to Santiago de los Caballeros that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$471 - $574

Route

Depart

Return

Price

Seattle/Tacoma IntlSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Sun 10/13

2 stops19h 37m

Santiago de los Caballeros

Wed 10/23

2 stops22h 43m

$471

Seattle/Tacoma IntlSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Mon 5/20

2 stops21h 16m

Santiago de los Caballeros

Sat 5/25

1 stop19h 03m

$500

Seattle/Tacoma IntlSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Mon 5/20

2 stops11h 55m

Santiago de los Caballeros

Sat 5/25

2 stops21h 29m

$508

Seattle/Tacoma IntlSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Mon 5/27

3 stops25h 19m

Santiago de los Caballeros

Thu 5/30

3 stops32h 01m

$528

Seattle/Tacoma IntlSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Tue 5/21

1 stop11h 01m

Santiago de los Caballeros

Sat 5/25

1 stop11h 59m

$534

Seattle/Tacoma IntlSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Fri 5/24

3 stops25h 19m

Santiago de los Caballeros

Fri 5/31

3 stops32h 46m

$543

Seattle/Tacoma IntlSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Mon 5/27

2 stops25h 19m

Santiago de los Caballeros

Thu 5/30

2 stops32h 46m

$560

Seattle/Tacoma IntlSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Wed 5/22

1 stop14h 46m

Santiago de los Caballeros

Sat 5/25

1 stop19h 03m

$563

Seattle/Tacoma IntlSantiago de los Caballeros

SEA - STI

SEASTI

Seattle/Tacoma Intl

Wed 5/22

3 stops29h 14m

Santiago de los Caballeros

Fri 5/24

3 stops32h 46m

$574

Flights are sorted by cheapest first

Deals found on 5/1

When is the cheapest time to fly from Seattle to Santiago de los Caballeros?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Santiago de los Caballeros. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Santiago de los Caballeros flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Santiago de los Caballeros by month

Plan your trip from Seattle to Santiago de los Caballeros by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Santiago de los Caballeros is currently $0 while a round-trip flight costs $531. Price data was last updated on April 28, 2024.

Currently, September is the cheapest month in which you can book a flight from Seattle to Santiago de los Caballeros (average of $326). Flying from Seattle to Santiago de los Caballeros in July is currently the most expensive (average of $562). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$343

February

$352

March

$374

April

$388

May

$363

June

$406

July

$562

August

$452

September

$326

October

$347

November

$392

December

$412

Temperature and rainfall in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average temperature and rainfall totals by month.

STI

Temperature

73.4 - 80.6 °F

Reviews of airlines servicing Santiago de los Caballeros

Get insights into the airlines that provide service to Santiago de los Caballeros. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santiago de los Caballeros. Reviews last updated May 2, 2024.
See what other customers who have flown with American Airlines, Delta and United Airlines from Seattle to Santiago de los Caballeros have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,874 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very good
10,874 reviews
Delta
8.1
Very good
10,874 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
11,159 reviews
Delta
8.1
Very good
10,874 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,788 reviews
Delta
8.1
Very good
10,874 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Spirit Airlines
6.4
Okay
8,737 reviews
Delta
8.1
Very good
10,874 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Santiago de los Caballeros. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Seattle to Santiago de los Caballeros for under $500 on Cheapflights?

    Yes, there are multiple flights from Seattle to Santiago de los Caballeros for under $500. The cheapest flight booked recently is on American Airlines for just $471, but on average you can expect to pay $559.

  • What are the cheapest airlines flying from Seattle to Santiago de los Caballeros round-trip?

    Our cheapest airline available from Seattle to Santiago de los Caballeros is American Airlines. Our recent data shows that you can find tickets from as low as $471 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $500 and $534 round-trip. You may be able to fly from Seattle to Santiago de los Caballeros for 33% less than the average price by searching for these airlines.

  • What are the most popular airlines that fly from Seattle to Santiago de los Caballeros?

    Consider American Airlines, Alaska Airlines or JetBlue when booking your flight. These represent the most popular airlines when flying from Seattle to Santiago de los Caballeros.

  • What does SEA to STI mean?

    Great question - SEA to STI just means Seattle/Tacoma Intl Airport to Santiago de los Caballeros Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Seattle to Santiago de los Caballeros that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Santiago de los Caballeros flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Santiago de los Caballeros with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Santiago de los Caballeros flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Santiago de los Caballeros that include hotel bookings?

    Yes. In addition to deals on Seattle to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Santiago de los Caballeros?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Santiago de los Caballeros.

  • Can I find deals for business class flights from Seattle to Santiago de los Caballeros?

    Yes. Cheapflights offers flight deals from Seattle to Santiago de los Caballeros by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Santiago de los Caballeros that allow pets onboard?

    Many airlines flying from Seattle to Santiago de los Caballeros offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Santiago de los Caballeros?

    Yes, you can often find last-minute deals on Seattle to Santiago de los Caballeros flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Santiago de los Caballeros flight deals updated?

    The Seattle to Santiago de los Caballeros flight deals you see on this page were last updated on 5/1.

See more FAQs

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Alternative routes for Seattle to Santiago de los Caballeros
See prices for flight routes from nearby airports that may be better suited for you.

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Top 3 airlines flying from Seattle to Santiago de los Caballeros

Discover the top 3 airlines that operate flights from Seattle to Santiago de los Caballeros. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$396Average$865FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
JetBlueCheapest$397Average$770FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
American AirlinesCheapest$403Average$586FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Seattle to Santiago de los Caballeros by cabin class

Find flights from Seattle to Santiago de los Caballeros, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Santiago de los Caballeros?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Santiago de los Caballeros. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Santiago de los Caballeros?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Santiago de los Caballeros.

Can Cheapflights find flights from Seattle to Santiago de los Caballeros with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to Santiago de los Caballeros, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Seattle to Santiago de los Caballeros become cheaper?

Yes! Start tracking prices for Seattle to Santiago de los Caballeros flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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