Title: Cheap Flights from Seattle (SEA) to Petersburg (PSG) - Expedia.ca ![Petersburg Alaska Channel](https://images.trvl-media.com/place/2880/90007568-5e1c-4746-8f98-8d788350085e.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) # Cheap Flights from Seattle (SEA) to Petersburg (PSG) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Seattle-Tacoma International Airport (SEA) to Petersburg, AK (PSG) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:psg,departure:21/10/2025TANYT&leg2=from:psg,to:sea,departure:28/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) ![notification illustration](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\* ![deals illustration](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\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Seattle (SEA) to Petersburg (PSG) Prices were available within the past 7 days and start at for one-way flights and CA $573 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Oct 15 - Wed, Oct 22 SEA Seattle PSG Petersburg CA $573 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:15/10/2025TANYT&leg2=from:PSG,to:SEA,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:572.20&airProductToken=AQogCh4IwaYBEgI2NRiSASDPNCjytfoCMJe4-gI4TkAAWAEKIAoeCMGmARICNjQYzzQgkgEo2oj7AjDyivsCOEdAAFgBEgoIARABGAEqAkFTGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Oct 15 - Wed, Oct 22 SEA Seattle PSG Petersburg CA $586 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:15/10/2025TANYT&leg2=from:PSG,to:SEA,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:585.70&airProductToken=AQouCiwIwaYBEgI2NRiSASDPNCjytfoCMJe4-gI4TkAAWAFqAk1BcghOSDRPQVVNTgpeCi0IwaYBEgI2NRjPNCCpowEopof7AjDWh_sCOEdAAFgBagJNQXIIR0gyWUFVTU4KLQjBpgESAjY2GKmjASCSASi7ivsCMNOL-wI4R0ABWAFqAk1BcghHSDJZQVVNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Oct 15 - Wed, Oct 22 SEA Seattle PSG Petersburg CA $593 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:15/10/2025TANYT&leg2=from:PSG,to:SEA,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:592.90&airProductToken=AQpeCi0IwaYBEgI2MRiSASCpowEo6LX6AjCJt_oCOE5AAFgBagJNQXIITkg0T0FVTU4KLQjBpgESAjY0GKmjASDPNCieufoCMMu5-gI4TkABWAFqAk1BcghOSDRPQVVNTgpeCi0IwaYBEgI2NRjPNCCpowEopof7AjDWh_sCOEdAAFgBagJNQXIIR0gyWUFVTU4KLQjBpgESAjY2GKmjASCSASi7ivsCMNOL-wI4R0ABWAFqAk1BcghHSDJZQVVNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Oct 15 - Wed, Oct 22 SEA Seattle PSG Petersburg CA $648 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:15/10/2025TANYT&leg2=from:PSG,to:SEA,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:647.50&airProductToken=AQouCiwIwaYBEgI2NRiSASDPNCjytfoCMJe4-gI4TkAAWAFqAk1BcghOSDRPQVVNTgouCiwIwaYBEgI2NBjPNCCSASjaiPsCMPKK-wI4UUAAWAFqAk1BcghRSDJPQVVNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Oct 15 - Wed, Oct 22 SEA Seattle PSG Petersburg CA $655 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:15/10/2025TANYT&leg2=from:PSG,to:SEA,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:654.70&airProductToken=AQpeCi0IwaYBEgI2MRiSASCpowEo6LX6AjCJt_oCOE5AAFgBagJNQXIITkg0T0FVTU4KLQjBpgESAjY0GKmjASDPNCieufoCMMu5-gI4TkABWAFqAk1BcghOSDRPQVVNTgouCiwIwaYBEgI2NBjPNCCSASjaiPsCMPKK-wI4UUAAWAFqAk1BcghRSDJPQVVNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Oct 15 - Sun, Oct 19 SEA Seattle PSG Petersburg CA $722 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:15/10/2025TANYT&leg2=from:PSG,to:SEA,departure:19/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:721.70&airProductToken=AQogCh4IwaYBEgI2NRiSASDPNCjytfoCMJe4-gI4TkAAWAEKIAoeCMGmARICNjQYzzQgkgEo-ub6AjCS6foCOE5AAFgBEgoIARABGAEqAkFTGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Oct 15 - Wed, Oct 22 SEA Seattle PSG Petersburg CA $725 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:15/10/2025TANYT&leg2=from:PSG,to:SEA,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:724.70&airProductToken=AQouCiwIwaYBEgI2NRiSASDPNCjytfoCMJe4-gI4TkAAWAFqAkZNcghOSDRPQVVNUgpeCi0IwaYBEgI2NRjPNCCpowEopof7AjDWh_sCOEdAAFgBagJGTXIIR0gyWUFVTVIKLQjBpgESAjY2GKmjASCSASi7ivsCMNOL-wI4R0ABWAFqAkZNcghHSDJZQVVNUhIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Oct 15 - Wed, Oct 22 SEA Seattle PSG Petersburg CA $732 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:15/10/2025TANYT&leg2=from:PSG,to:SEA,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:731.90&airProductToken=AQpeCi0IwaYBEgI2MRiSASCpowEo6LX6AjCJt_oCOE5AAFgBagJGTXIITkg0T0FVTVIKLQjBpgESAjY0GKmjASDPNCieufoCMMu5-gI4TkABWAFqAkZNcghOSDRPQVVNUgpeCi0IwaYBEgI2NRjPNCCpowEopof7AjDWh_sCOEdAAFgBagJGTXIIR0gyWUFVTVIKLQjBpgESAjY2GKmjASCSASi7ivsCMNOL-wI4R0ABWAFqAkZNcghHSDJZQVVNUhIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Oct 15 - Wed, Oct 22 SEA Seattle PSG Petersburg CA $794 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:15/10/2025TANYT&leg2=from:PSG,to:SEA,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:793.70&airProductToken=AQouCiwIwaYBEgI2NRiSASDPNCjytfoCMJe4-gI4TkAAWAFqAkZNcghOSDRPQVVNUgouCiwIwaYBEgI2NBjPNCCSASjaiPsCMPKK-wI4UUAAWAFqAkZNcghRSDJPQVVNUhIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Oct 15 - Wed, Oct 22 SEA Seattle PSG Petersburg CA $801 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:15/10/2025TANYT&leg2=from:PSG,to:SEA,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:800.90&airProductToken=AQpeCi0IwaYBEgI2MRiSASCpowEo6LX6AjCJt_oCOE5AAFgBagJGTXIITkg0T0FVTVIKLQjBpgESAjY0GKmjASDPNCieufoCMMu5-gI4TkABWAFqAkZNcghOSDRPQVVNUgouCiwIwaYBEgI2NBjPNCCSASjaiPsCMPKK-wI4UUAAWAFqAkZNcghRSDJPQVVNUhIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, Oct 14 - Wed, Oct 22 SEA Seattle PSG Petersburg CA $838 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:14/10/2025TANYT&leg2=from:PSG,to:SEA,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:837.10&airProductToken=AQpDCiAIwaYBEgMxODUYkgEgqaMBKI-x-gIwrLL6AjhOQABYAQofCMGmARICNjQYqaMBIM80KJ65-gIwy7n6AjhLQAFYAQogCh4IwaYBEgI2NBjPNCCSASjaiPsCMPKK-wI4R0AAWAESCggBEAEYASoCQVMYASIECAEQASgEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Oct 9 - Thu, Oct 16 SEA Seattle PSG Petersburg CA $839 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:09/10/2025TANYT&leg2=from:PSG,to:SEA,departure:16/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:839.00&airProductToken=AQogCh4IwaYBEgI2NRiSASDPNCiy8vkCMNf0-QI4U0AAWAEKIAoeCMGmARICNjQYzzQgkgEomsX6AjCyx_oCOE5AAFgBEgoIARABGAEqAkFTGAEiBAgBEAEoBDAB) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Sun, Oct 12 - Wed, Oct 22 SEA Seattle PSG Petersburg CA $856 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:12/10/2025TANYT&leg2=from:PSG,to:SEA,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:855.70&airProductToken=AQpECiEIyIIBEgQ3MTgxGJIBIKmjASiIlPoCMKmV-gI4S0AAWAEKHwjBpgESAjY0GKmjASDPNCi-l_oCMOuX-gI4SEABWAEKIAoeCMGmARICNjQYzzQgkgEo2oj7AjDyivsCOEdAAFgBEgoIARABGAEqAkhBGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Oct 9 - Fri, Oct 10 SEA Seattle PSG Petersburg CA $956 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:09/10/2025TANYT&leg2=from:PSG,to:SEA,departure:10/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:955.50&airProductToken=AQogCh4IwaYBEgI2NRiSASDPNCiy8vkCMNf0-QI4U0AAWAEKIAoeCMGmARICNjQYzzQgkgEo2oH6AjDyg_oCOFNAAFgBEgoIARABGAEqAkFTGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Oct 9 - Mon, Oct 13 SEA Seattle PSG Petersburg CA $963 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:09/10/2025TANYT&leg2=from:PSG,to:SEA,departure:13/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:962.70&airProductToken=AQpeCi0IwaYBEgI2MRiSASCpowEoqPL5AjDJ8_kCOFNAAFgBagJNQXIIU0g3T0FVTU4KLQjBpgESAjY0GKmjASDPNCje9fkCMIv2-QI4U0ABWAFqAk1BcghTSDdPQVVNTgouCiwIwaYBEgI2NBjPNCCSASi6o_oCMNKl-gI4U0AAWAFqAk1BcghTSDdPQVVNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Oct 9 - Mon, Oct 13 SEA Seattle PSG Petersburg CA $969 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:09/10/2025TANYT&leg2=from:PSG,to:SEA,departure:13/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:969.00&airProductToken=AQouCiwIwaYBEgI2NRiSASDPNCiy8vkCMNf0-QI4U0AAWAFqAk1BcghTSDdPQVVNTgpfCi0IwaYBEgI2NRjPNCCpowEohqL6AjC2ovoCOFNAAFgBagJNQXIIU0g3T0FVTU4KLgjBpgESAzE3NhipowEgkgEokKP6AjClpPoCOFNAAVgBagJNQXIIU0g3T0FVTU4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Oct 9 - Mon, Oct 13 SEA Seattle PSG Petersburg CA $977 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:09/10/2025TANYT&leg2=from:PSG,to:SEA,departure:13/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:976.20&airProductToken=AQpeCi0IwaYBEgI2MRiSASCpowEoqPL5AjDJ8_kCOFNAAFgBagJNQXIIU0g3T0FVTU4KLQjBpgESAjY0GKmjASDPNCje9fkCMIv2-QI4U0ABWAFqAk1BcghTSDdPQVVNTgpfCi0IwaYBEgI2NRjPNCCpowEohqL6AjC2ovoCOFNAAFgBagJNQXIIU0g3T0FVTU4KLgjBpgESAzE3NhipowEgkgEokKP6AjClpPoCOFNAAVgBagJNQXIIU0g3T0FVTU4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, Oct 14 - Sun, Oct 19 SEA Seattle PSG Petersburg CA $988 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:14/10/2025TANYT&leg2=from:PSG,to:SEA,departure:19/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:987.60&airProductToken=AQpDCiAIwaYBEgMxODUYkgEgqaMBKI-x-gIwrLL6AjhOQABYAQofCMGmARICNjQYqaMBIM80KJ65-gIwy7n6AjhLQAFYAQogCh4IwaYBEgI2NBjPNCCSASj65voCMJLp-gI4TkAAWAESCggBEAEYASoCQVMYASIECAEQASgEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Oct 12 - Sun, Oct 19 SEA Seattle PSG Petersburg CA $1,007 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:12/10/2025TANYT&leg2=from:PSG,to:SEA,departure:19/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1006.20&airProductToken=AQpCCh8IwaYBEgI2MRiSASCpowEoiJT6AjCplfoCOE5AAFgBCh8IwaYBEgI2NBipowEgzzQovpf6AjDrl_oCOEhAAVgBCiAKHgjBpgESAjY0GM80IJIBKPrm-gIwkun6AjhOQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Oct 9 - Mon, Oct 13 SEA Seattle PSG Petersburg CA $1,151 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:PSG,departure:09/10/2025TANYT&leg2=from:PSG,to:SEA,departure:13/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1150.30&airProductToken=AQouCiwIwaYBEgI2NRiSASDPNCiy8vkCMNf0-QI4U0AAWAFqAkZNcghTSDdPQVVNUgouCiwIwaYBEgI2NBjPNCCSASi6o_oCMNKl-gI4U0AAWAFqAkZNcghTSDdPQVVNUhIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ## Find the cheapest month to fly from Seattle (SEA) to Petersburg (PSG) ### October is typically the cheapest month to fly From CA $448 - CA $1,174 per traveller. ## Frequently asked questions ### How much is a flight from Sea-Tac Airport to Petersburg James A. Johnson Airport? > Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Seattle - Tacoma Intl. Airport (SEA) and Petersburg James A. Johnson Airport start from CA $573. Make your booking today to score the best price for your adventure. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Petersburg Airport (PSG)? > Most flights can be cancelled online, but whether you incur a fee all comes down to your airline. If you do have to cancel your break, follow the easy instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Sea-Tac Airport to Petersburg James A. Johnson Airport that have flexible change policies? > Plenty of airlines offer the option to move your flight without a change fee. All you pay is the difference in the ticket price. When looking for Sea-Tac Airport to Petersburg Airport (PSG) flights, you'll find a "No change fees" filter for you to tick. ### How many hours is the flight from Sea-Tac Airport to PSG? > There are lots of ways to make the 3 hours and 31 minutes between SEA and PSG go by quicker. If you want to be productive, sort through your photos or clear out all those backed-up emails. A nice snooze also helps pass the time! ### How far is the flight from Sea-Tac Airport to Petersburg James A. Johnson Airport? > You won't have time for a movie marathon on this flight — it's only 1,250 kilometres from SeaTac to Petersburg. Sit down, enjoy the in-flight service and you'll be there before long. ### Which airlines fly direct from Sea-Tac Airport to PSG? > You won't find any airlines flying directly between Seattle - Tacoma Intl. Airport (SEA) and Petersburg James A. Johnson Airport, so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip! ### Are Sea-Tac Airport to Petersburg James A. Johnson Airport flight tickets cheaper when they're purchased at the last minute? > Last-minute planners can occasionally nab a bargain, with some super cheap airfares from SEA to Petersburg Airport (PSG) surfacing a few weeks prior to the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals regularly — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines issue prices so far in advance. ## Travel information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Petersburg | | Roundtrip price | CA $572 | | Distance | 1258 km | | Average flight time | 4 hours 53 mins | ## Book with confidence ### Seattle to Petersburg Flights **The easy way to book your flights from Seattle to Petersburg**  With Expedia, it’s simple to find and book flights to Petersburg from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Alaska Airlines nonstop flights to Petersburg, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Petersburg today, tomorrow, or this week.   **Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Petersburg, PSG**  Sort your search results by price to find great deals on your flight from Seattle to Petersburg—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Petersburg from Seattle currently is just CA $573 rising to CA $1,151.   Here are more money-saving tips:  - Fly in October when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Petersburg   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Petersburg from Seattle**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. 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