Seattle

$225+ Cheap flights from South Padre Island, TX to Seattle (SEA)

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — SEA
Aug 23 — Aug 301
We work with more than 300 partners to bring you better travel deals

Find cheap flights from South Padre Island to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from South Padre Island to Seattle

Keep the following information in mind while searching for South Padre Island to Seattle flight deals. Data was last updated August 18, 2025.

Round-trip from

$316
(American Airlines)

One-way from

$225
(Alaska Airlines)

Popular in

June

Cheapest in

January

Average price

$308
From South Padre Island to Seattle/Tacoma Intl
One-way flight from South Padre Island to Seattle/Tacoma Intl
Highest demand for flights based on searches. 13% potential increase in price ($69 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from South Padre Island to Seattle

Cheapest flights from South Padre Island to Seattle
Explore the most affordable flight options available from South Padre Island to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This American Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 9/165:26 amBRO - SEA
1 stop8h 46mAmerican Airlines
Tue 9/231:50 pmSEA - BRO
1 stop6h 57mAmerican Airlines
Deal found 8/17$316
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Fri 9/125:15 pmBRO - SEA
1 stop7h 37mUnited Airlines
Mon 9/1511:58 pmSEA - BRO
1 stop9h 23mUnited Airlines
Deal found 8/16$409
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Fri 9/1210:41 amBRO - SEA
1 stop8h 12mAmerican Airlines
Mon 9/155:26 amSEA - BRO
1 stop7h 08mAmerican Airlines
Deal found 8/16$549
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 8/307:20 amBRO - SEA
2 stops10h 59mUnited Airlines
Sat 9/65:02 amSEA - BRO
2 stops9h 01mUnited Airlines
Deal found 8/17$657
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 8/3010:33 amBRO - SEA
1 stop8h 58mAlaska Airlines
Fri 9/512:33 amSEA - BRO
1 stop7h 38mAlaska Airlines
Deal found 8/17$694
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Fri 8/225:37 amBRO - SEA
1 stop7h 14mAmerican Airlines
Sun 8/241:35 pmSEA - BRO
1 stop7h 02mAmerican Airlines
Deal found 8/16$729

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Padre Island to Seattle 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 August 18, 2025.
Use the filters below to find and compare flights from South Padre Island to Seattle that are best for you.

Fly from

South Padre Island

Fly to

Seattle

Route

Depart

Return

Price

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Tue 9/16

5:26 am-12:12 pm

1 stop8h 46m

Seattle/Tacoma Intl

Tue 9/23

1:50 pm-10:47 pm

1 stop6h 57m

$316

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 9/12

5:15 pm-10:52 pm

1 stop7h 37m

Seattle/Tacoma Intl

Mon 9/15

11:58 pm-11:21 am

1 stop9h 23m

$409

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 9/12

3:04 pm-8:20 pm

1 stop7h 16m

Seattle/Tacoma Intl

Sun 9/14

12:33 am-10:11 am

1 stop7h 38m

$409

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Tue 9/16

5:26 am-10:40 am

1 stop7h 14m

Seattle/Tacoma Intl

Mon 9/22

12:58 am-10:11 am

1 stop7h 13m

$409

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Thu 9/4

12:11 pm-10:15 pm

2 stops12h 04m

Seattle/Tacoma Intl

Fri 9/12

11:58 pm-11:21 am

1 stop9h 23m

$444

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Thu 9/4

3:04 pm-8:20 pm

1 stop7h 16m

Seattle/Tacoma Intl

Thu 9/11

12:33 am-10:11 am

1 stop7h 38m

$469

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 9/19

3:04 pm-11:01 pm

1 stop9h 57m

$225

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 9/19

7:00 am-3:14 pm

2 stops10h 14m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

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

Have a flexible travel schedule? Discover the best time to fly to Seattle from South Padre Island 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 South Padre Island to Seattle

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

Currently, January is the cheapest month in which you can book a flight from South Padre Island to Seattle (average of $238). Flying from South Padre Island to Seattle in June is currently the most expensive (average of $388). 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 SO9 to SEA?

Find hourly flight availability from South Padre Island to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Padre Island to Seattle as you normally would.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated August 18, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from South Padre Island to Seattle. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
8.0
Very good
8.0
Very good

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
8.0
Very good

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
8.0
Very good

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than

Related info for your journey

Find useful and relevant information for your journey from South Padre Island to Seattle. 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 into for flights to Seattle from South Padre Island?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from South Padre Island to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from South Padre Island; the airport handles an average of 0 inbound flights from South Padre Island per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Seattle airport from South Padre Island. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

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

    There are many flights that can get you from South Padre Island to Seattle in 7h 16m. Fly via American Airlines, United Airlines, or Alaska Airlines to get the fastest option. Airlines will cover a distance of 2010 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from South Padre Island to Seattle 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 South Padre Island to Seattle?

    Currently, January is the cheapest month in which you can book a flight from South Padre Island to Seattle (average of $238). Flying from South Padre Island to Seattle in June is currently the most expensive (average of $388). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Padre Island to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from South Padre Island to Seattle

Discover the top 4 airlines that operate flights from South Padre Island to Seattle. 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$187Average$315FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$236Average$534FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$246Average$446FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$328Average$603FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.