$239+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MFE
Jul 28 — Aug 41
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to South Padre Island with Cheapflights
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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
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Cheapest flights from Seattle to South Padre IslandExplore 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 June 28, 2026.
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 June 28, 2026.
This United Airlines deal was found by Cheapflights users on 6/26. 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 9/107:00 am
SEA
- BRO
1 stop9h 13m
United Airlines
Tue 9/1512:05 pm
BRO
- SEA
1 stop9h 03m
United Airlines
Deal found 6/26![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/165:00 am
SEA
- BRO
1 stop8h 57m
United Airlines
Mon 7/204:44 pm
BRO
- SEA
1 stop7h 58m
United Airlines
Deal found 6/23![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 6/25. 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 8/1811:16 pm
SEA
- BRO
1 stop8h 57m
American Airlines
Sun 8/235:43 am
BRO
- SEA
1 stop9h 33m
American Airlines
Deal found 6/25![American Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Wed 7/155:00 am
SEA
- BRO
2 stops11h 37m
United Airlines
Sun 7/194:44 pm
BRO
- SEA
1 stop7h 58m
United Airlines
Deal found 6/24![United Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/2311:49 pm
SEA
- BRO
1 stop9h 37m
United Airlines
Sat 8/14:44 pm
BRO
- SEA
1 stop7h 58m
United Airlines
Deal found 6/25![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Wed 9/307:11 am
SEA
- BRO
1 stop9h 02m
United Airlines
Sat 10/39:10 am
BRO
- SEA
1 stop7h 39m
United Airlines
Deal found 6/24![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Wed 10/148:29 pm
SEA
- BRO
2 stops12h 54m
United Airlines
Tue 10/207:15 am
BRO
- SEA
2 stops12h 22m
United Airlines
Deal found 6/25![United Airlines logo]()
$489
Best flights from Seattle to South Padre IslandDiscover carefully curated flight deals from Seattle to South Padre Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 28, 2026.
Discover carefully curated flight deals from Seattle to South Padre Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 28, 2026.
This United Airlines deal was found by Cheapflights users on 6/26. 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 9/1011:03 am
SEA
- BRO
2 stops8h 56m
United Airlines
Tue 9/159:20 am
BRO
- SEA
2 stops11h 09m
United Airlines
Deal found 6/26![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Wed 10/285:00 am
SEA
- BRO
2 stops12h 28m
United Airlines
Sun 11/17:10 am
BRO
- SEA
1 stop8h 15m
United Airlines
Deal found 6/27![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Wed 9/3011:59 pm
SEA
- BRO
1 stop9h 24m
United Airlines
Sat 10/37:15 am
BRO
- SEA
1 stop9h 34m
United Airlines
Deal found 6/27![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 6/26. 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 7/115:00 am
SEA
- BRO
2 stops8h 57m
United Airlines
Wed 7/157:20 am
BRO
- SEA
1 stop7h 27m
United Airlines
Deal found 6/26![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 6/23. 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 9/265:00 am
SEA
- BRO
2 stops11h 13m
United Airlines
Wed 9/307:15 am
BRO
- SEA
2 stops13h 29m
United Airlines
Deal found 6/23![United Airlines logo]()
$570
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Tue 8/183:30 pm
SEA
- BRO
2 stops17h 53m
United Airlines
Sun 8/237:15 am
BRO
- SEA
2 stops10h 59m
United Airlines
Deal found 6/25![United Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 6/24. 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 7/166:00 am
SEA
- BRO
2 stops10h 44m
United Airlines
Mon 7/204:44 pm
BRO
- SEA
1 stop7h 58m
United Airlines
Deal found 6/24![United Airlines logo]()
$613
Last-minute flights from Seattle to South Padre IslandDiscover last-minute flight deals from Seattle to South Padre Island. Data last updated June 28, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to South Padre Island. Data last updated June 28, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Wed 7/17:05 am
SEA
- BRO
1 stop9h 32m
United Airlines
Fri 7/34:44 pm
BRO
- SEA
2 stops10h 45m
United Airlines
Deal found 6/27![United Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Thu 7/912:44 am
SEA
- BRO
1 stop7h 28m
American Airlines
Sun 7/126:42 pm
BRO
- SEA
1 stop6h 57m
American Airlines
Deal found 6/24![American Airlines logo]()
$603
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Sat 7/1111:22 pm
SEA
- BRO
1 stop8h 50m
American Airlines
Wed 7/156:42 pm
BRO
- SEA
1 stop8h 15m
American Airlines
Deal found 6/26![American Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 6/26. 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 7/115:00 am
SEA
- BRO
2 stops8h 57m
United Airlines
Wed 7/157:20 am
BRO
- SEA
1 stop7h 27m
United Airlines
Deal found 6/26![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Wed 7/155:00 am
SEA
- BRO
2 stops11h 37m
United Airlines
Sun 7/194:44 pm
BRO
- SEA
1 stop7h 58m
United Airlines
Deal found 6/24![United Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/165:00 am
SEA
- BRO
1 stop8h 57m
United Airlines
Mon 7/204:44 pm
BRO
- SEA
1 stop7h 58m
United Airlines
Deal found 6/23![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/2311:49 pm
SEA
- BRO
1 stop9h 37m
United Airlines
Sat 8/14:44 pm
BRO
- SEA
1 stop7h 58m
United Airlines
Deal found 6/25![United Airlines logo]()
$478
One-way flights from Seattle to South Padre IslandSearch for one-way flight options from Seattle to South Padre Island. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
Search for one-way flight options from Seattle to South Padre Island. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:06 pm
SEA
- BRO
3 stops34h 49m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:06 pm
SEA
- BRO
2 stops34h 49m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 8/275:00 am
SEA
- BRO
1 stop7h 07m
American Airlines
Deal found 6/27![American Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 6/27. 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 8/275:00 am
SEA
- BRO
2 stops8h 51m
United Airlines
Deal found 6/27![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Wed 7/157:05 am
SEA
- BRO
1 stop6h 52m
United Airlines
Deal found 6/27![United Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 6/27. 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 7/167:05 am
SEA
- BRO
1 stop9h 39m
United Airlines
Deal found 6/27![United Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 7/1611:07 am
SEA
- BRO
2 stops11h 06m
American Airlines
Deal found 6/27![American Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 6/27. 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 7/911:49 pm
SEA
- BRO
1 stop9h 37m
United Airlines
Deal found 6/27![United Airlines logo]()
$513
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 June 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (United Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $555 |
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 June 28, 2026.
Use the filters below to find and compare flights from Seattle to South Padre Island that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Thu 9/10
11:03 am-9:59 pm
2 stops8h 56m
Brownsville South Padre Is. Intl
Tue 9/15
9:20 am-6:29 pm
2 stops11h 09m
$379
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Wed 10/28
5:00 am-7:28 pm
2 stops12h 28m
Brownsville South Padre Is. Intl
Sun 11/1
7:10 am-1:25 pm
1 stop8h 15m
$479
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Wed 9/30
11:59 pm-11:23 am
1 stop9h 24m
Brownsville South Padre Is. Intl
Sat 10/3
7:15 am-2:49 pm
1 stop9h 34m
$479
Quickest round-trip
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Sat 7/11
5:00 am-3:57 pm
2 stops8h 57m
Brownsville South Padre Is. Intl
Wed 7/15
7:20 am-12:47 pm
1 stop7h 27m
$544
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Sat 9/26
5:00 am-6:13 pm
2 stops11h 13m
Brownsville South Padre Is. Intl
Wed 9/30
7:15 am-6:44 pm
2 stops13h 29m
$570
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Tue 8/18
3:30 pm-11:23 am
2 stops17h 53m
Brownsville South Padre Is. Intl
Sun 8/23
7:15 am-4:14 pm
2 stops10h 59m
$577
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Thu 7/16
6:00 am-6:44 pm
2 stops10h 44m
Brownsville South Padre Is. Intl
Mon 7/20
4:44 pm-10:42 pm
1 stop7h 58m
$613
Cheapest one-way
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Wed 9/2
7:06 pm-7:55 am
2 stops34h 49m
$239
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Wed 7/15
7:06 pm-7:55 am
2 stops34h 49m
$293
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Thu 8/27
5:00 am-3:51 pm
2 stops8h 51m
$434
Showing 1-10 of 12 resultsSorted by cheapest first
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.
SEA-BRO
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
SEA-SO9
SEA-BRO
No data available for this route at this time. Please check back soon.
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 June 28, 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.
Crew
8.1
Food
6.6
Overall
7.4
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreIsaac,May 2024
SHV - IAH
Crew
8.1
Food
6.6
Overall
7.4
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreIsaac,May 2024
SHV - IAH
Crew
8.1
Food
6.6
Overall
7.4
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreIsaac,May 2024
SHV - IAH
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.
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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.
Complete your trip
Complete your trip to South Padre Island by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to South Padre Island by cabin class
Find flights from Seattle to South Padre Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and South Padre Island flights
Browse other Seattle and South Padre Island flight options. Last updated on June 28, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on June 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to South Padre Island flights
Consider these flights traveling from Seattle to South Padre Island.
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 June 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$218 | Average$445 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$222 | Average$327 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$270 | Average$494 | FlexibilityNo cancel fee | On-time69% |