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South Padre Island

$175+ Cheap flights from Seattle (SEA) to South Padre Island, TX

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MFE
nov. 21 — nov. 281
vie. 11/21
vie. 11/28
1 adult, Economy
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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 octubre 22, 2025.

This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/59:25 amSEA - BRO
2 stops12h 11mUnited Airlines
dom. 11/97:15 amBRO - SEA
1 stop7h 32mUnited Airlines
Deal found 10/21$444
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/61:43 pmSEA - BRO
1 stop7h 53mUnited Airlines
lun. 11/1012:15 pmBRO - SEA
2 stops13h 29mUnited Airlines
Deal found 10/21$474
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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.
mié. 11/512:58 amSEA - BRO
1 stop6h 58mAlaska Airlines
lun. 11/105:20 amBRO - SEA
1 stop9h 11mAlaska Airlines
Deal found 10/21$564
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/412:58 amSEA - BRO
1 stop7h 11mAlaska Airlines
dom. 11/95:20 amBRO - SEA
1 stop9h 11mAlaska Airlines
Deal found 10/20$668
This American Airlines deal was found by Cheapflights users on 10/20. 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.
jue. 11/2012:59 amSEA - BRO
1 stop6h 57mAmerican Airlines
lun. 12/16:11 pmBRO - SEA
1 stop8h 47mAmerican Airlines
Deal found 10/20$711
This American Airlines deal was found by Cheapflights users on 10/20. 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.
vie. 12/2612:59 amSEA - BRO
1 stop6h 52mAmerican Airlines
lun. 12/297:48 pmBRO - SEA
1 stop7h 09mAmerican Airlines
Deal found 10/20$726
This American Airlines deal was found by Cheapflights users on 10/20. 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.
jue. 12/2511:34 pmSEA - BRO
1 stop8h 17mAmerican Airlines
jue. 1/17:48 pmBRO - SEA
1 stop7h 09mAmerican Airlines
Deal found 10/20$735

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 octubre 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(American Airlines)

One-way from

$175
(American Airlines)

Popular in

April

Cheapest in

January

Average price

$689
Provider with most accurate pricing for Seattle/Tacoma Intl-Brownsville South Padre Is. Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Brownsville South Padre Is. Intl flights.
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From Seattle/Tacoma Intl to South Padre Island
Search Deals
One-way flight from Seattle/Tacoma Intl to South Padre Island
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 octubre 22, 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

mié. 1/21

7:34 am-6:14 pm

1 stop8h 40m

Brownsville South Padre Is. Intl

sáb. 1/24

6:00 am-11:05 am

1 stop7h 05m

$309

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

vie. 2/20

7:55 am-6:25 pm

1 stop8h 30m

Brownsville South Padre Is. Intl

mar. 2/24

5:46 am-12:32 pm

1 stop8h 46m

$409

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

mié. 1/21

8:40 am-9:31 pm

2 stops10h 51m

Brownsville South Padre Is. Intl

sáb. 1/24

7:15 am-9:12 pm

3 stops15h 57m

$424

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

jue. 2/26

7:00 am-9:31 pm

2 stops12h 31m

Brownsville South Padre Is. Intl

mié. 3/4

5:25 pm-11:00 pm

1 stop7h 35m

$429

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

mar. 12/30

12:59 am-9:50 am

1 stop6h 51m

$175

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

lun. 12/29

12:59 am-9:51 am

1 stop6h 52m

$175

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

mié. 1/7

9:00 am-9:31 pm

2 stops10h 31m

$180

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

mié. 12/31

7:05 am-7:42 pm

2 stops10h 37m

$213

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

dom. 11/23

8:00 am-11:36 pm

2 stops13h 36m

$219

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

mar. 11/18

12:58 am-10:09 am

1 stop7h 11m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 14 results
1
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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, January is the cheapest month in which you can book a flight from Seattle to South Padre Island (average of $209). Flying from Seattle to South Padre Island in July is currently the most expensive (average of $369). 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 octubre 22, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to South Padre Island at noon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the afternoon.

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 octubre 22, 2025.
Read through reviews of airlines operating flights from Seattle to South Padre Island, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,988 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
8,988 reviews
United Airlines
7.4
Good
8,988 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
American Airlines
7.2
Good
11,029 reviews
United Airlines
7.4
Good
8,988 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

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 fly from Seattle to South Padre Island in about 8h 40m. The time it takes to get you to your destination can typically vary by up to . The distance between Seattle and South Padre Island is about 2010 mi.

  • 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, January is the cheapest month in which you can book a flight from Seattle to South Padre Island (average of $209). Flying from Seattle to South Padre Island in July is currently the most expensive (average of $369). 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.

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Alternative routes for Seattle to South Padre Island

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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 octubre 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$208Average$487FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$216Average$409FlexibilityNo cancel feeOn-time71%
DeltaCheapest$222Average$277FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$299Average$383FlexibilityNo cancel feeOn-time63%

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