Title: $151 Cheap Flights to Sea Lion Island - Expedia.com ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $151 Cheap Flights to Sea Lion Island [View $151 flight on Sat, Apr 18, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:PUQ,to:MPN,departure:4/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:150.20&airProductToken=AQowCi4IzIIBEgM4OTUYj4UBIOxrKJnXigMw_NeKAzhWQABYAWoCUVByCFZFRVFQWjBCEgoIARABGAEqAkxBGAEiBAgBEAEoAigEKAYwAQ) [Sea Lion Island Travel Guide](https://expedia.com/Sea-Lion-Island.dx6110183)[Hotels in Sea Lion Island](https://expedia.com/Sea-Lion-Island-Hotels.d6110183.Travel-Guide-Hotels)[Car Rentals in Sea Lion Island](https://expedia.com/Car-Rentals-In-Sea-Lion-Island.d6110183.Car-Rental-Guide)[Sea Lion Island Vacation Packages](https://expedia.com/Sea-Lion-Island.d6110183.Destination-Travel-Guides) ## Popular airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LA.svg) LATAM Airlines Group - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## How much is the cheapest flight to Sea Lion Island? Prices were available within the past 7 days and start at $151 for one-way flights and $276 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![LATAM Airlines Group](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LA.gif) Sat, Jul 4 - Sat, Jul 11 PUQ Punta Arenas MPN Mount Pleasant $276 Roundtrip found 11 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUQ,to:MPN,departure:7/4/2026TANYT&leg2=from:MPN,to:PUQ,departure:7/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:275.40&airProductToken=AQowCi4IzIIBEgM4OTUYj4UBIOxrKLy5kQMwpbqRAzhWQABYAWoCUVByCFZFRVFQWjBCCjAKLgjMggESAzg5NBjsayCPhQEo-IqSAzDdi5IDOFZAAFgBagJRUHIIVkVFUVBaMEISCggBEAEYASoCTEEYASIECAEQASgCKAQoBjAB) ![LATAM Airlines Group](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LA.gif) Sat, Nov 7 - Sat, Nov 14 PUQ Punta Arenas MPN Mount Pleasant $306 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUQ,to:MPN,departure:11/7/2026TANYT&leg2=from:MPN,to:PUQ,departure:11/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:305.40&airProductToken=AQowCi4IzIIBEgM4OTUYj4UBIOxrKPzCnAMw4cOcAzhWQABYAWoCU0xyCFZFRVNMWjBCEgoIARABGAEqAkxBGAEiBAgBEAEoAigEKAYwAQ) ![LATAM Airlines Group](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LA.gif) Sat, Nov 7 - Sat, Nov 14 PUQ Punta Arenas MPN Mount Pleasant $336 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUQ,to:MPN,departure:11/7/2026TANYT&leg2=from:MPN,to:PUQ,departure:11/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:335.40&airProductToken=AQowCi4IzIIBEgM4OTUYj4UBIOxrKPzCnAMw4cOcAzhWQABYAWoCU0xyCFZFRVNMWjBCCjAKLgjMggESAzg5NBjsayCPhQEouJSdAzCelZ0DOFZAAFgBagJTTHIIVkVFU0xaMEISCggBEAEYASoCTEEYASIECAEQASgCKAQoBjAB) ![LATAM Airlines Group](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LA.gif) Sat, Nov 7 - Sat, Nov 14 PUQ Punta Arenas MPN Mount Pleasant $361 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUQ,to:MPN,departure:11/7/2026TANYT&leg2=from:MPN,to:PUQ,departure:11/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:360.40&airProductToken=AQowCi4IzIIBEgM4OTUYj4UBIOxrKPzCnAMw4cOcAzhWQABYAWoCS0RyCFZFRUtEWjBCEgoIARABGAEqAkxBGAEiBAgBEAEoAigDKAQwAQ) ![LATAM Airlines Group](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LA.gif) Sat, Dec 12 - Sat, Dec 19 PUQ Punta Arenas MPN Mount Pleasant $391 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUQ,to:MPN,departure:12/12/2026TANYT&leg2=from:MPN,to:PUQ,departure:12/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:390.40&airProductToken=AQowCi4IzIIBEgM4OTcYj4UBIOxrKNzMnwMwtc6fAzhWQABYAWoCU0xyCFZFRVNMWjBCEgoIARABGAEqAkxBGAEiBAgBEAEoAigEKAYwAQ) ## Frequently asked questions ### What month is the cheapest to fly to Sea Lion Island? ### Which US cities fly direct to Sea Lion Island? ### How to find a cheap flight to Sea Lion Island? ### How to get a cheap last-minute flight to Sea Lion Island? ### How far in advance should I book a flight to Sea Lion Island? ### Which day of the week is the cheapest day to buy a plane ticket to Sea Lion Island? ### Can I save money by booking a Sea Lion Island trip package? ### Can I change or cancel my flight to Sea Lion Island? \*Flight schedules are subject to change. \*Available to One Key members. ## Travel information | Destination airport | Mount Pleasant | | ----------------------------- | -------------- | | Destination airport IATA code | MPN | | Destination city name | Mount Pleasant | | Roundtrip price | $275 | ## Trending flights to Sea Lion Island Prices were available within the past 7 days and start at $151 for one-way flights and $276 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![LATAM Airlines Group](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LA.gif) Thu, Apr 23 - Sat, May 9 IAD Washington MPN Mount Pleasant $2,691 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:IAD,to:MPN,departure:4/23/2026TANYT&leg2=from:MPN,to:IAD,departure:5/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2690.93&airProductToken=AQpkCiAIzIIBEgQ2MzMwGIgYIKlRKM2QiwMwqZGLAzhMQABYAQofCMyCARIDNTMzGKlRINJYKPaTiwMw8ZiLAzhMQAFYAQofCMyCARIDODk1GNJYIOxrKOqjiwMw36aLAzhTQAFYAQplCh8IzIIBEgM4OTQY7Gsg0lgomMaMAzCoyYwDOFNAAFgBCiAIzIIBEgQ2MzU4GNJYIOBcKMjTjAMwjdiMAzhMQAFYAQogCMyCARIEODk3NRjgXCCIGCji2YwDMMvajAM4TEABWAESCggBEAEYASoCTEEYASIECAEQASgEMAE) ![LATAM Airlines Group](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LA.gif) Wed, Apr 22 - Sat, May 9 IAD Washington MPN Mount Pleasant $2,700 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:IAD,to:MPN,departure:4/22/2026TANYT&leg2=from:MPN,to:IAD,departure:5/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2699.02&airProductToken=AQpkCiAIzIIBEgQ2MjkyGIgYIKlRKJqIiwMw_oiLAzhMQABYAQofCMyCARIDNTMzGKlRINJYKPaTiwMw8ZiLAzhMQAFYAQofCMyCARIDODk1GNJYIOxrKOqjiwMw36aLAzhTQAFYAQplCh8IzIIBEgM4OTQY7Gsg0lgomMaMAzCoyYwDOFNAAFgBCiAIzIIBEgQ2MzU4GNJYIOBcKMjTjAMwjdiMAzhMQAFYAQogCMyCARIEODk3NRjgXCCIGCji2YwDMMvajAM4TEABWAESCggBEAEYASoCTEEYASIECAEQASgEMAE)