$379+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MFE
Jul 10 — Jul 171
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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Best
Last-minute
One-way
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 Juni 10, 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 Juni 10, 2026.
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Mi 8/1911:59 pm
SEA
- BRO
1 stop9h 24m
United Airlines
So 8/237:15 am
BRO
- SEA
1 stop9h 37m
United Airlines
Deal found 6/8![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Mi 8/197:00 am
SEA
- BRO
1 stop6h 51m
United Airlines
Mo 8/2412:05 pm
BRO
- SEA
2 stops11h 46m
United Airlines
Deal found 6/8![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Mi 9/1611:03 am
SEA
- BRO
2 stops8h 56m
United Airlines
Mi 9/237:15 am
BRO
- SEA
2 stops10h 37m
United Airlines
Deal found 6/6![United Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Mi 8/197:40 am
SEA
- BRO
1 stop8h 27m
American Airlines
Mo 8/2410:43 am
BRO
- SEA
1 stop7h 58m
American Airlines
Deal found 6/9![American Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Di 8/2511:59 pm
SEA
- BRO
1 stop9h 24m
United Airlines
Sa 8/299:20 am
BRO
- SEA
2 stops11h 09m
United Airlines
Deal found 6/9![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sa 7/45:00 am
SEA
- BRO
1 stop7h 02m
United Airlines
Sa 7/114:44 pm
BRO
- SEA
1 stop7h 58m
United Airlines
Deal found 6/8![United Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Sa 10/317:03 am
SEA
- BRO
1 stop6h 35m
United Airlines
Di 11/312:07 pm
BRO
- SEA
1 stop9h 05m
United Airlines
Deal found 6/7![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 Juni 10, 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 Juni 10, 2026.
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Mi 8/1911:03 am
SEA
- BRO
2 stops8h 56m
United Airlines
So 8/237:15 am
BRO
- SEA
2 stops10h 59m
United Airlines
Deal found 6/8![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Di 8/2511:59 pm
SEA
- BRO
1 stop9h 24m
United Airlines
Sa 8/299:20 am
BRO
- SEA
2 stops11h 09m
United Airlines
Deal found 6/9![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sa 7/45:00 am
SEA
- BRO
1 stop7h 02m
United Airlines
Sa 7/114:44 pm
BRO
- SEA
1 stop7h 58m
United Airlines
Deal found 6/8![United Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mi 8/1912:10 pm
SEA
- BRO
1 stop7h 49m
United Airlines
Mo 8/2412:05 pm
BRO
- SEA
2 stops11h 46m
United Airlines
Deal found 6/9![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Di 7/77:00 am
SEA
- BRO
1 stop9h 37m
United Airlines
Di 7/147:20 am
BRO
- SEA
1 stop7h 27m
United Airlines
Deal found 6/8![United Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Mo 8/311:49 pm
SEA
- BRO
1 stop9h 37m
United Airlines
Sa 8/84:44 pm
BRO
- SEA
1 stop7h 58m
United Airlines
Deal found 6/8![United Airlines logo]()
$619
Last-minute flights from Seattle to South Padre IslandDiscover last-minute flight deals from Seattle to South Padre Island. Data last updated Juni 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to South Padre Island. Data last updated Juni 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Mo 6/223:45 pm
SEA
- BRO
1 stop6h 38m
American Airlines
Fr 6/265:30 am
BRO
- SEA
1 stop9h 43m
American Airlines
Deal found 6/7![American Airlines logo]()
$987
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mo 6/2211:49 pm
SEA
- BRO
1 stop9h 37m
United Airlines
Fr 6/264:44 pm
BRO
- SEA
1 stop7h 58m
United Airlines
Deal found 6/9![United Airlines logo]()
$1,006
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sa 7/45:00 am
SEA
- BRO
1 stop7h 02m
United Airlines
Sa 7/114:44 pm
BRO
- SEA
1 stop7h 58m
United Airlines
Deal found 6/8![United Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Sa 7/47:26 am
SEA
- BRO
1 stop8h 34m
American Airlines
Fr 7/102:47 pm
BRO
- SEA
1 stop9h 39m
American Airlines
Deal found 6/7![American Airlines logo]()
$735
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Sa 7/45:00 am
SEA
- BRO
1 stop7h 02m
United Airlines
Fr 7/1012:10 pm
BRO
- SEA
2 stops11h 49m
United Airlines
Deal found 6/7![United Airlines logo]()
$799
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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.
Sa 7/46:21 am
SEA
- BRO
2 stops9h 39m
Alaska Airlines
Sa 7/112:41 pm
BRO
- SEA
2 stops20h 38m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$817
This Priceline deal was found by Cheapflights users on 6/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 7/46:21 am
SEA
- BRO
2 stops9h 39m
Alaska Airlines
Fr 7/1010:44 am
BRO
- SEA
2 stops11h 51m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$860
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Di 7/77:00 am
SEA
- BRO
1 stop9h 37m
United Airlines
Di 7/147:20 am
BRO
- SEA
1 stop7h 27m
United Airlines
Deal found 6/8![United Airlines logo]()
$577
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 Juni 10, 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 Juni 10, 2026.
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Sa 6/2711:49 pm
SEA
- BRO
1 stop9h 37m
United Airlines
Deal found 6/7![United Airlines logo]()
$461
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Sa 6/276:21 am
SEA
- BRO
2 stops9h 51m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$466
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Do 6/2511:03 pm
SEA
- BRO
1 stop9h 11m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Fr 6/262:03 pm
SEA
- BRO
1 stop8h 20m
American Airlines
Deal found 6/7![American Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Do 6/255:00 am
SEA
- BRO
2 stops11h 44m
United Airlines
Deal found 6/7![United Airlines logo]()
$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 Juni 10, 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 | $492 |
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 Juni 10, 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
Mi 8/19
11:03 am-9:59 pm
2 stops8h 56m
Brownsville South Padre Is. Intl
So 8/23
7:15 am-4:14 pm
2 stops10h 59m
$389
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Di 8/25
11:59 pm-11:23 am
1 stop9h 24m
Brownsville South Padre Is. Intl
Sa 8/29
9:20 am-6:29 pm
2 stops11h 09m
$484
Quickest round-trip
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Sa 7/4
5:00 am-2:02 pm
1 stop7h 02m
Brownsville South Padre Is. Intl
Sa 7/11
4:44 pm-10:42 pm
1 stop7h 58m
$485
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Mi 8/19
12:10 pm-9:59 pm
1 stop7h 49m
Brownsville South Padre Is. Intl
Mo 8/24
12:05 pm-9:51 pm
2 stops11h 46m
$494
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Di 7/7
7:00 am-6:37 pm
1 stop9h 37m
Brownsville South Padre Is. Intl
Di 7/14
7:20 am-12:47 pm
1 stop7h 27m
$577
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Mo 8/3
11:49 pm-11:26 am
1 stop9h 37m
Brownsville South Padre Is. Intl
Sa 8/8
4:44 pm-10:42 pm
1 stop7h 58m
$619
Cheapest one-way
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Sa 6/27
11:49 pm-11:26 am
1 stop9h 37m
$461
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Do 6/25
11:03 pm-10:14 am
1 stop9h 11m
$489
Quickest one-way
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Fr 6/26
2:03 pm-12:23 am
1 stop8h 20m
$494
SeattleBrownsville
SEA - BRO
SEABRO
Seattle/Tacoma Intl
Fr 6/26
6:00 am-6:37 pm
2 stops10h 37m
$499
Sorted 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
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 Juni 10, 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.
Entertainment
7.1
Boarding
7.7
Crew
8.1
Overall
7.4
Comfort
7.3
Food
6.6
Reviews
1 / 20
8.0
ExcellentFERNANDO,Sep 2024
YYC - IAH
Entertainment
7.1
Boarding
7.7
Crew
8.1
Overall
7.4
Comfort
7.3
Food
6.6
Reviews
1 / 20
8.0
ExcellentFERNANDO,Sep 2024
YYC - IAH
Entertainment
7.1
Boarding
7.7
Crew
8.1
Overall
7.4
Comfort
7.3
Food
6.6
Reviews
1 / 20
8.0
ExcellentFERNANDO,Sep 2024
YYC - 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 Juni 10, 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 Juni 10, 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 Juni 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$218 | Average$443 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$222 | Average$301 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$270 | Average$494 | FlexibilityNo cancel fee | On-time69% |