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South Padre Island

$185+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HRL
may. 17 — may. 241
sáb. 5/17
sáb. 5/24
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 mayo 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

JustAirTicket
3 stars

Round-trip from

$317
(American Airlines)

One-way from

$185
(American Airlines)

Popular in

October

Cheapest in

August

Average price

$469
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
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One-way flight from Seattle/Tacoma Intl to South Padre Island
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Highest demand for flights based on searches. 11% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in May 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 mayo 12, 2025.

This United Airlines deal was found by Cheapflights users on 5/12. 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. 6/1111:59 pmSEA - BRO
1 stop9h 28mUnited Airlines
mié. 6/185:17 pmBRO - SEA
1 stop7h 43mUnited Airlines
Deal found 5/12$297
This American Airlines deal was found by Cheapflights users on 5/11. 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. 7/317:49 amSEA - BRO
1 stop8h 55mAmerican Airlines
vie. 8/86:57 pmBRO - SEA
1 stop7h 57mAmerican Airlines
Deal found 5/11$317
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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. 6/1012:34 amSEA - BRO
1 stop7h 25mAlaska Airlines
mié. 6/1810:29 amBRO - SEA
1 stop9h 05mAlaska Airlines
Deal found 5/12$504

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 mayo 12, 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. 6/11

11:59 pm-11:27 am

1 stop9h 28m

Brownsville South Padre Is. Intl

mié. 6/18

5:17 pm-11:00 pm

1 stop7h 43m

$297

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

jue. 7/31

7:49 am-6:44 pm

1 stop8h 55m

Brownsville South Padre Is. Intl

vie. 8/8

6:57 pm-12:54 am

1 stop7h 57m

$317

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

mar. 6/10

12:34 am-9:59 am

1 stop7h 25m

Brownsville South Padre Is. Intl

mié. 6/18

10:29 am-5:34 pm

1 stop9h 05m

$504

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

vie. 5/30

1:10 am-10:10 am

1 stop7h 00m

$185

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

sáb. 5/31

6:25 am-7:40 pm

2 stops11h 15m

$240

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

mié. 7/30

12:25 am-9:56 am

1 stop7h 31m

$1,889

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

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, April is the cheapest month in which you can book a flight from Seattle to South Padre Island (average of $267). Flying from Seattle to South Padre Island in July is currently the most expensive (average of $408). 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 mayo 12, 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.

What is the cheapest day to fly from Seattle to South Padre Island?

Use this chart to determine the cheapest time to fly round-trip from Seattle to South Padre Island. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to South Padre Island flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in South Padre Island by month

Plan your trip to South Padre Island by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Padre Island ranges from 1.1 - 5.9 inches per month. September is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit South Padre Island when rainfall is around 1.1 in.

Temperature in South Padre Island by month

Plan your trip to South Padre Island by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Padre Island, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

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 mayo 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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.

  • What are the cheapest airlines to fly from Seattle to South Padre Island one-way?

    $185 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from $240 and $1,889, respectively.

  • 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, April is the cheapest month in which you can book a flight from Seattle to South Padre Island (average of $267). Flying from Seattle to South Padre Island in July is currently the most expensive (average of $408). 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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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 mayo 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$151Average$282FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$390FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$208Average$483FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$327Average$413FlexibilityNo cancel feeOn-time63%

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