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South Padre Island

$349+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MFE
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This American Airlines deal was found by Cheapflights users on 2/1. 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.
Sun 3/112:59 am
SEA
-
BRO
1 stop7h 18m
American Airlines
Wed 3/45:40 am
BRO
-
SEA
1 stop7h 15m
American Airlines
Deal found 2/1$349
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 4/611:35 pm
SEA
-
BRO
1 stop9h 44m
United Airlines
Fri 4/1712:00 pm
BRO
-
SEA
1 stop9h 42m
United Airlines
Deal found 2/2$429
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 4/611:35 pm
SEA
-
BRO
1 stop9h 44m
United Airlines
Wed 4/157:15 am
BRO
-
SEA
2 stops14h 30m
United Airlines
Deal found 2/2$434
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 4/96:20 am
SEA
-
BRO
2 stops10h 08m
United Airlines
Wed 4/157:15 am
BRO
-
SEA
2 stops13h 20m
United Airlines
Deal found 2/2$439
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Sun 4/1211:35 pm
SEA
-
BRO
1 stop9h 44m
United Airlines
Tue 4/145:25 pm
BRO
-
SEA
1 stop7h 25m
United Airlines
Deal found 2/2$449
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Sun 4/1211:35 pm
SEA
-
BRO
1 stop9h 44m
United Airlines
Wed 4/1512:00 pm
BRO
-
SEA
2 stops13h 27m
United Airlines
Deal found 2/2$454
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/2512:59 am
SEA
-
BRO
1 stop7h 18m
American Airlines
Sun 3/18:04 pm
BRO
-
SEA
1 stop6h 51m
American Airlines
Deal found 2/3$463
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/3011:35 pm
SEA
-
BRO
1 stop9h 44m
United Airlines
Thu 4/97:15 am
BRO
-
SEA
2 stops14h 30m
United Airlines
Deal found 2/2$489
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 4/611:35 pm
SEA
-
BRO
1 stop9h 44m
United Airlines
Mon 4/135:25 pm
BRO
-
SEA
1 stop21h 22m
United Airlines
Deal found 2/2$492
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/307:37 pm
SEA
-
BRO
2 stops13h 42m
United Airlines
Wed 4/89:15 am
BRO
-
SEA
2 stops10h 45m
United Airlines
Deal found 2/2$494
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Sun 4/1211:35 pm
SEA
-
BRO
1 stop9h 44m
United Airlines
Sat 4/189:15 am
BRO
-
SEA
2 stops11h 59m
United Airlines
Deal found 2/2$499

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$409
Provider with most accurate pricing for Seattle/Tacoma Intl-Brownsville South Padre Is. Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Brownsville South Padre Is. Intl flights.
Search Deals
From Seattle/Tacoma Intl to South Padre Island
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 3, 2026.
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

Sun 3/1

12:59 am-10:17 am

1 stop7h 18m

Brownsville South Padre Is. Intl

Wed 3/4

5:40 am-10:55 am

1 stop7h 15m

$349

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Tue 4/7

6:30 am-4:24 pm

1 stop7h 54m

Brownsville South Padre Is. Intl

Tue 4/14

7:15 am-12:47 pm

1 stop7h 32m

$429

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Tue 3/31

12:59 am-10:17 am

1 stop7h 18m

Brownsville South Padre Is. Intl

Mon 4/6

8:05 pm-12:55 am

1 stop6h 50m

$429

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Mon 4/6

11:35 pm-11:19 am

1 stop9h 44m

Brownsville South Padre Is. Intl

Fri 4/17

12:00 pm-7:42 pm

1 stop9h 42m

$429

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Mon 4/6

7:37 pm-11:19 am

2 stops13h 42m

Brownsville South Padre Is. Intl

Tue 4/14

12:00 pm-7:42 pm

1 stop9h 42m

$434

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Thu 4/9

6:20 am-6:28 pm

2 stops10h 08m

Brownsville South Padre Is. Intl

Wed 4/15

7:15 am-6:35 pm

2 stops13h 20m

$439

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Wed 4/8

6:20 am-6:28 pm

2 stops10h 08m

Brownsville South Padre Is. Intl

Wed 4/15

9:15 am-6:00 pm

2 stops10h 45m

$439

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Sat 4/4

12:23 am-10:17 am

1 stop7h 54m

Brownsville South Padre Is. Intl

Mon 4/6

2:58 pm-9:41 pm

1 stop8h 43m

$449

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Sun 4/12

11:35 pm-11:19 am

1 stop9h 44m

Brownsville South Padre Is. Intl

Wed 4/15

5:25 pm-10:50 pm

1 stop7h 25m

$449

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Sun 4/12

11:35 pm-11:19 am

1 stop9h 44m

Brownsville South Padre Is. Intl

Tue 4/14

5:25 pm-10:50 pm

1 stop7h 25m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

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, November is the cheapest month in which you can book a flight from Seattle to South Padre Island (average of $216). 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.

How much does it cost to fly round-trip from Seattle to South Padre Island?

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 February 3, 2026.
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
9,236 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

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
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

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
11,216 reviews
United Airlines
7.4
Good
9,236 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

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. 3 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, United Airlines, and Alaska Airlines fly from Seattle to South Padre Island in about 7h 18m. The time it takes to get you to your destination can typically vary by up to 36m. 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, November is the cheapest month in which you can book a flight from Seattle to South Padre Island (average of $216). 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 3 airlines flying from Seattle to South Padre Island

Discover the top 3 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$424FlexibilityNo cancel feeOn-time71%
DeltaCheapest$222Average$286FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$246Average$553FlexibilityNo cancel feeOn-time69%

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