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South Padre Island

$309+ Cheap flights from Seattle (SEA) to South Padre Island, TX

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MFE
ago. 26 — sep. 21
mar. 8/26
mar. 9/2
1 adult, Economy
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Cheap flight deals from Seattle to South Padre Island

Keep the following information in mind while searching for Seattle to South Padre Island flight deals. Data was last updated agosto 21, 2025.

Round-trip from

$369
(American Airlines)

Popular in

October

Cheapest in

January

Average price

$511
From Seattle/Tacoma Intl to South Padre Island
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Seattle to South Padre Island

Cheapest flights from Seattle to South Padre Island
Explore the most affordable flight options available from Seattle to South Padre Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 21, 2025.

This American Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/15:22 amSEA - BRO
1 stop7h 05mAmerican Airlines
sáb. 11/85:20 amBRO - SEA
1 stop9h 50mAmerican Airlines
Deal found 8/21$309
This American Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/35:26 amSEA - BRO
1 stop7h 08mAmerican Airlines
mar. 9/95:26 amBRO - SEA
1 stop7h 24mAmerican Airlines
Deal found 8/20$369
This lol.travel deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1211:58 pmSEA - BRO
1 stop9h 23mUnited Airlines
sáb. 9/205:15 pmBRO - SEA
1 stop7h 37mUnited Airlines
Deal found 8/21$386
This Alaska Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/3112:58 amSEA - BRO
1 stop6h 55mAlaska Airlines
sáb. 11/85:42 pmBRO - SEA
1 stop7h 43mAlaska Airlines
Deal found 8/21$409
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/307:10 amSEA - BRO
1 stop6h 53mUnited Airlines
mar. 9/25:15 pmBRO - SEA
1 stop7h 37mUnited Airlines
Deal found 8/20$410
This American Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/1711:42 amSEA - BRO
1 stop8h 48mAmerican Airlines
lun. 10/205:38 amBRO - SEA
1 stop7h 14mAmerican Airlines
Deal found 8/21$429
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/411:11 amSEA - BRO
2 stops10h 23mUnited Airlines
lun. 9/812:11 pmBRO - SEA
1 stop7h 20mUnited Airlines
Deal found 8/19$457
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/47:48 amSEA - BRO
1 stop8h 21mAmerican Airlines
lun. 9/85:26 amBRO - SEA
1 stop7h 24mAmerican Airlines
Deal found 8/19$459

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to South Padre Island 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 2,558,603 searches. Data last updated agosto 21, 2025.
Use the filters below to find and compare flights from Seattle to South Padre Island that are best for you.

Fly from

Seattle

Fly to

South Padre Island

Route

Depart

Return

Price

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

sáb. 11/1

5:22 am-2:27 pm

1 stop7h 05m

Brownsville South Padre Is. Intl

sáb. 11/8

5:20 am-1:10 pm

1 stop9h 50m

$309

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

mié. 9/3

5:26 am-2:34 pm

1 stop7h 08m

Brownsville South Padre Is. Intl

mar. 9/9

5:26 am-10:50 am

1 stop7h 24m

$369

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

sáb. 11/1

7:10 am-4:00 pm

1 stop6h 50m

Brownsville South Padre Is. Intl

sáb. 11/8

12:15 pm-12:59 am

2 stops14h 44m

$379

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

jue. 9/4

11:11 am-11:34 pm

2 stops10h 23m

Brownsville South Padre Is. Intl

lun. 9/8

12:11 pm-8:54 pm

2 stops10h 43m

$379

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

vie. 9/12

11:58 pm-11:21 am

1 stop9h 23m

Brownsville South Padre Is. Intl

sáb. 9/20

5:15 pm-10:52 pm

1 stop7h 37m

$386

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

vie. 10/31

12:58 am-9:53 am

1 stop6h 55m

Brownsville South Padre Is. Intl

sáb. 11/8

5:42 pm-11:25 pm

1 stop7h 43m

$409

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

vie. 10/17

11:42 am-10:30 pm

1 stop8h 48m

Brownsville South Padre Is. Intl

lun. 10/20

5:38 am-10:52 am

1 stop7h 14m

$429

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

jue. 9/4

7:48 am-6:09 pm

1 stop8h 21m

Brownsville South Padre Is. Intl

lun. 9/8

5:26 am-10:50 am

1 stop7h 24m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Best time to book a flight from Seattle to South Padre Island

Have a flexible travel schedule? Discover the best time to fly to South Padre Island from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to South Padre Island

What is the cheapest month to book a flight from Seattle to South Padre Island?

Currently, September is the cheapest month in which you can book a flight from Seattle to South Padre Island (average of $281). Flying from Seattle to South Padre Island in December is currently the most expensive (average of $416). 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.

What is the cheapest time of day to fly from SEA to SO9?

Find hourly flight availability from Seattle to South Padre Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 21, 2025.

When flying from Seattle to South Padre Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing South Padre Island

Get insights into the airlines that provide service to South Padre Island. 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 South Padre Island. Reviews last updated agosto 21, 2025.
Read through reviews of airlines operating flights from Seattle to South Padre Island, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

Related info for your journey

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

  • What airport do you fly from for flights from Seattle to South Padre Island?

    For a flight from Seattle to South Padre Island, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to South Padre Island per day. 4 airlines have flights to South Padre Island from Seattle/Tacoma Intl on a regular basis.

  • How long is the flight from Seattle to South Padre Island?

    Airlines like American Airlines and United Airlines fly from Seattle to South Padre Island in about 6h 50m. The time it takes to get you to your destination can typically vary by up to 15m. The distance between Seattle and South Padre Island is about 2010 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Seattle to South Padre Island that include hotel bookings?

    Yes. In addition to deals on Seattle to South Padre Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to South Padre Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to South Padre Island.

  • Can I find deals for business class flights from Seattle to South Padre Island?

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

  • What is the cheapest month to book a flight from Seattle to South Padre Island?

    Currently, September is the cheapest month in which you can book a flight from Seattle to South Padre Island (average of $281). Flying from Seattle to South Padre Island in December is currently the most expensive (average of $416). 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.

See more FAQs

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Alternative routes for Seattle to South Padre Island

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Seattle to South Padre Island

Discover the top 4 airlines that operate flights from Seattle to South Padre Island. 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 2,558,603 searches. Data last updated agosto 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$151Average$277FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$196Average$396FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$208Average$470FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$299Average$408FlexibilityNo cancel feeOn-time63%

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