Title: CA $816 Cheap Flights from Seattle (SEA) to Adelaide (ADL) - Expedia.ca ![Adelaide Central Business District](https://images.trvl-media.com/place/6085859/77f9afb8-5ac0-4f4c-83fc-a97d02635a9f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6085859/77f9afb8-5ac0-4f4c-83fc-a97d02635a9f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $816 Cheap Flights from Seattle (SEA) to Adelaide (ADL) [View CA $816 flight on Mon, May 11, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SEA,to:ADL,departure:11/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:815.52&airProductToken=AQqSAQotCMGmARIDNjk2GJIBIIu4ASiD3IwDMLndjAM4R0AAWAFqBEVDU0xyBU9KWDBVCjoI0YwBEgQ0MTEyGIu4ASCSHiit4YwDMLHojAM4T0ABWAFqBEVDU0xyBU9KWDBVegoIwYIBEgQ0MTEyCiUIyqIBEgM3NjIYkh4g4FgowumMAzDJ6owDOENAAVgBcgRDTE9XEgoIARABGAEqAlFGGAEiBAgBEAEoAigDKAQwAQ) ## Popular airlines from Seattle-Tacoma International Airport (SEA) to Adelaide, SA Airport (ADL) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EK.svg) Emirates [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:ADL,departure:31/03/2026TANYT&leg2=from:ADL,to:SEA,departure:07/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EK"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:ADL,departure:31/03/2026TANYT&leg2=from:ADL,to:SEA,departure:07/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](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:ADL,departure:31/03/2026TANYT&leg2=from:ADL,to:SEA,departure:07/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QF.svg) Qantas Airways [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:ADL,departure:31/03/2026TANYT&leg2=from:ADL,to:SEA,departure:07/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QF"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NZ.svg) Air New Zealand [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:ADL,departure:31/03/2026TANYT&leg2=from:ADL,to:SEA,departure:07/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NZ"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CX.svg) Cathay Pacific [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:ADL,departure:31/03/2026TANYT&leg2=from:ADL,to:SEA,departure:07/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CX"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QR.svg) Qatar Airways [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:ADL,departure:31/03/2026TANYT&leg2=from:ADL,to:SEA,departure:07/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QR"}}]) - ![](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 rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Seattle (SEA) to Adelaide (ADL) Prices were available within the past 7 days and start at CA $816 for one-way flights and CA $1,275 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, May 4 - Mon, May 18 SEA Seattle ADL Adelaide CA $1,275 Roundtrip found 9 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ADL,departure:04/05/2026TANYT&leg2=from:ADL,to:SEA,departure:18/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1274.20&airProductToken=AQqlAQoyCMGGARIEODgwORiSASC4jQEo7JCMAzCvkYwDOEtAAFgBagVCQVNJQ3IIS0xYUDMwQkEKMAjBhgESAjMzGLiNASCSHii-kowDMOCZjAM4S0ABWAFqBUJBU0lDcghLTFhQMzBCQQo9CMGGARIEMjc0NhiSHiDgWCiHnIwDMImdjAM4S0ABWAFqBUJBU0lDcghLTFhQMzBCQXoKCNaCARIEMjc0NgqlAQo9CMGGARIEMjgxMRjgWCCSHiikpY0DMJKmjQM4S0AAWAFqBUJBU0lDcghLTFhQMzBCQXoKCNaCARIEMjgxMQowCMGGARICMzQYkh4guI0BKPisjQMw3rONAzhLQAFYAWoFQkFTSUNyCEtMWFAzMEJBCjIIwYYBEgQ4Nzk4GLiNASCSASjRtI0DMJK1jQM4S0ABWAFqBUJBU0lDcghLTFhQMzBCQRIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMA0) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, May 11 - Mon, Sep 28 SEA Seattle ADL Adelaide CA $1,473 Roundtrip found 8 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ADL,departure:11/05/2026TANYT&leg2=from:ADL,to:SEA,departure:28/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1472.22&airProductToken=AQqlAQoyCMGGARIEODgwNxiSASC4jQEow92MAzCG3owDOEtAAFgBagVCQVNJQ3IIS0xYUDMwQkEKMAjBhgESAjMzGLiNASCSHiie4YwDMMDojAM4S0ABWAFqBUJBU0lDcghLTFhQMzBCQQo9CMGGARIEMjc0NBiSHiDgWCjq6YwDMOzqjAM4S0ABWAFqBUJBU0lDcghLTFhQMzBCQXoKCNaCARIEMjc0NAqlAQo9CMGGARIEMjc1MRjgWCChIyjm_5gDMPeAmQM4S0AAWAFqBUJBU0lDcghLTFhQMzBCQXoKCNaCARIEMjc1MQowCMGGARICMzYYoSMguI0BKMCFmQMw6YuZAzhLQAFYAWoFQkFTSUNyCEtMWFAzMEJBCjIIwYYBEgQ4ODA0GLiNASCSASj_jpkDMMKPmQM4S0ABWAFqBUJBU0lDcghLTFhQMzBCQRIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMA0) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, May 11 - Mon, Sep 28 SEA Seattle ADL Adelaide CA $1,479 Roundtrip found 8 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ADL,departure:11/05/2026TANYT&leg2=from:ADL,to:SEA,departure:28/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1478.22&airProductToken=AQqlAQoyCMGGARIEODgwORiSASC4jQEozN-MAzCP4IwDOEtAAFgBagVCQVNJQ3IIS0xYUDMwQkEKMAjBhgESAjMzGLiNASCSHiie4YwDMMDojAM4S0ABWAFqBUJBU0lDcghLTFhQMzBCQQo9CMGGARIEMjc0NhiSHiDgWCjn6owDMOnrjAM4S0ABWAFqBUJBU0lDcghLTFhQMzBCQXoKCNaCARIEMjc0NgqlAQo9CMGGARIEMjc0NxjgWCCSHiiW_5gDMISAmQM4S0AAWAFqBUJBU0lDcghLTFhQMzBCQXoKCNaCARIEMjc0NwowCMGGARICMzQYkh4guI0BKJiFmQMw_ouZAzhLQAFYAWoFQkFTSUNyCEtMWFAzMEJBCjIIwYYBEgQ4Nzk4GLiNASCSASjxjJkDMLSNmQM4S0ABWAFqBUJBU0lDcghLTFhQMzBCQRIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMA0) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, May 11 - Mon, Sep 28 SEA Seattle ADL Adelaide CA $1,481 Roundtrip found 8 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ADL,departure:11/05/2026TANYT&leg2=from:ADL,to:SEA,departure:28/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1480.22&airProductToken=AQqlAQoyCMGGARIEODgwNxiSASC4jQEow92MAzCG3owDOEtAAFgBagVCQVNJQ3IIS0xYUDMwQkEKMAjBhgESAjMzGLiNASCSHiie4YwDMMDojAM4S0ABWAFqBUJBU0lDcghLTFhQMzBCQQo9CMGGARIEMjc0NhiSHiDgWCjn6owDMOnrjAM4S0ABWAFqBUJBU0lDcghLTFhQMzBCQXoKCNaCARIEMjc0NgqlAQo9CMGGARIEMjc0ORjgWCChIyjV_pgDMOb_mAM4S0AAWAFqBUJBU0lDcghLTFhQMzBCQXoKCNaCARIEMjc0OQowCMGGARICMzYYoSMguI0BKMCFmQMw6YuZAzhLQAFYAWoFQkFTSUNyCEtMWFAzMEJBCjIIwYYBEgQ4Nzk4GLiNASCSASjxjJkDMLSNmQM4S0ABWAFqBUJBU0lDcghLTFhQMzBCQRIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMA0) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, May 4 - Mon, May 18 SEA Seattle ADL Adelaide CA $1,491 Roundtrip found 9 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ADL,departure:04/05/2026TANYT&leg2=from:ADL,to:SEA,departure:18/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1490.42&airProductToken=AQqYAQoyCMGGARIEODgwORiSASC4jQEo7JCMAzCvkYwDOEtAAFgBagVCQVNJQ3IIS0xYUDMwQkEKMAjBhgESAjMzGLiNASCSHii-kowDMOCZjAM4S0ABWAFqBUJBU0lDcghLTFhQMzBCQQowCNGMARIDNzMzGJIeIOBYKN2ajAMw35uMAzhTQAFYAWoFQkFTSUNyCEtMWFAzMEJBCqUBCj0IwYYBEgQyODExGOBYIJIeKKSljQMwkqaNAzhLQABYAWoFQkFTSUNyCEtMWFAzMEJBegoI1oIBEgQyODExCjAIwYYBEgIzNBiSHiC4jQEo-KyNAzDes40DOEtAAVgBagVCQVNJQ3IIS0xYUDMwQkEKMgjBhgESBDg3OTgYuI0BIJIBKNG0jQMwkrWNAzhLQAFYAWoFQkFTSUNyCEtMWFAzMEJBEgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, May 4 - Mon, May 18 SEA Seattle ADL Adelaide CA $1,540 Roundtrip found 9 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ADL,departure:04/05/2026TANYT&leg2=from:ADL,to:SEA,departure:18/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1539.92&airProductToken=AQqTAQouCMGmARIEMTQxMRiSASCLuAEo5o-MAzCTkYwDOEdAAFgBagRFQ1NMcgVPSlgwUwo6CNGMARIENDExMhiLuAEgkh4ozZKMAzDRmYwDOE9AAVgBagRFQ1NMcgVPSlgwU3oKCMGCARIENDExMgolCMqiARIDNzYyGJIeIOBYKOKajAMw6ZuMAzhDQAFYAXIEQ0xPVwqFAQolCMqiARIDNzYxGOBYIJIeKMegjQMwv6GNAzhDQABYAXIEQ0xPVwosCNGMARICMTEYkh4gi7gBKNaljQMwiqyNAzhPQAFYAWoERUNTTHIFT0pYMFMKLgjBpgESBDEzMDEYi7gBIJIBKOatjQMwl6-NAzhRQAFYAWoERUNTTHIFT0pYMFMSCggBEAEYASoCUUYYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, May 4 - Mon, May 18 SEA Seattle ADL Adelaide CA $1,543 Roundtrip found 9 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ADL,departure:04/05/2026TANYT&leg2=from:ADL,to:SEA,departure:18/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1542.12&airProductToken=AQqFAQouCMGmARIEMTQxMRiSASCLuAEo5o-MAzCTkYwDOEdAAFgBagRFQ1NMcgVPSlgwUwosCNGMARICMTIYi7gBIJIeKOaSjAMw6pmMAzhPQAFYAWoERUNTTHIFT0pYMFMKJQjKogESAzc2MhiSHiDgWCjimowDMOmbjAM4Q0ABWAFyBENMT1cKhQEKJQjKogESAzc2MxjgWCCSHijxoY0DMOSijQM4Q0AAWAFyBENMT1cKLAjRjAESAjExGJIeIIu4ASjWpY0DMIqsjQM4T0ABWAFqBEVDU0xyBU9KWDBTCi4IwaYBEgQxMzAxGIu4ASCSASjmrY0DMJevjQM4UUABWAFqBEVDU0xyBU9KWDBTEgoIARABGAEqAlFGGAEiBAgBEAEoAigDKAQwAQ) ![Qantas Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QF.gif) Mon, May 4 - Mon, May 18 SEA Seattle ADL Adelaide CA $1,558 Roundtrip found 9 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ADL,departure:04/05/2026TANYT&leg2=from:ADL,to:SEA,departure:18/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1557.62&airProductToken=AQqfAQo6CNGMARIEMzcxORiSASCLuAEo3pCMAzCJkowDOE9AAFgBagRFQ1NMcgVPSlgwU3oKCMGmARIEMzcxOQo6CNGMARIENDExMhiLuAEgkh4ozZKMAzDRmYwDOE9AAVgBagRFQ1NMcgVPSlgwU3oKCMGCARIENDExMgolCMqiARIDNzYyGJIeIOBYKOKajAMw6ZuMAzhDQAFYAXIEQ0xPVwqFAQolCMqiARIDNzYzGOBYIJIeKPGhjQMw5KKNAzhDQABYAXIEQ0xPVwosCNGMARICMTEYkh4gi7gBKNaljQMwiqyNAzhPQAFYAWoERUNTTHIFT0pYMFMKLgjBpgESBDEzMDEYi7gBIJIBKOatjQMwl6-NAzhRQAFYAWoERUNTTHIFT0pYMFMSCggBEAEYASoCUUYYASIECAEQASgCKAMoBDAB) ![Cathay Pacific](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CX.gif) Thu, Nov 5 - Fri, Nov 13 SEA Seattle ADL Adelaide CA $1,893 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ADL,departure:05/11/2026TANYT&leg2=from:ADL,to:SEA,departure:13/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1892.42&airProductToken=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) ![Air New Zealand](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/NZ.gif) Mon, May 11 - Mon, Sep 28 SEA Seattle ADL Adelaide CA $1,973 Roundtrip found 8 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ADL,departure:11/05/2026TANYT&leg2=from:ADL,to:SEA,departure:28/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1972.02&airProductToken=AQqYAQo6CM60ARIENDgwMBiSASC4jQEow92MAzCG3owDOEdAAFgBagJFQ3IHS1g4N0FOWXoKCMGGARIENDgwMAosCM60ARICMjMYuI0BIMBaKKvgjAMw6eaMAzhLQAFYAWoCRUNyB0tYODdBTlkKLAjOtAESAzE5MRjAWiDgWCiJ6IwDMLXqjAM4S0ABWAFqAkVDcgdLWDg3QU5ZCpIBCisIzrQBEgMxOTIY4FggwFoo__qYAzCD_ZgDOFNAAFgBagJFQ3IGU0xYRzdBCikIzrQBEgE4GMBaILJxKLr9mAMwj4OZAzhTQAFYAWoCRUNyBlNMWEc3QQo4CM60ARIEOTQwOBiycSCSASi1h5kDMMSImQM4U0ABWAFqAkVDcgZTTFhHN0F6CgjVggESBDk0MDgSCggBEAEYASoCTloYASIECAEQASgCKAMoBDAB) ## Frequently asked questions ### How much is a flight from SEA to Adelaide Airport (ADL)? ### Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Adelaide Airport? ### How do I find cheap flights from Sea-Tac Airport to Adelaide Airport (ADL) that have flexible change policies? ### How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to ADL? ### Which airlines fly direct from SEA to Adelaide Airport (ADL)? ### Are Sea-Tac Airport to Adelaide Airport flight tickets cheaper when they're purchased at the last minute? ## Travel information | Origin airport | Seattle - Tacoma Intl. | | ------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Adelaide | | Airlines serving | Air Canada, Air New Zealand, Alaska Airlines, All Nippon Airways, Cathay Pacific, Emirates, Lufthansa, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines | | Roundtrip price | CA $1,274 | | Distance | 13340 km | ## Book with confidence # Seattle to Adelaide Flights **The easy way to book your flights from Seattle to Adelaide** With Expedia, it’s simple to find and book flights to Adelaide 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 nonstop flights to Adelaide, 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 Adelaide today, tomorrow, or this week. **Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Adelaide, ADL** Sort your search results by price to find great deals on your flight from Seattle to Adelaide—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Adelaide from Seattle currently is just CA $1,275 rising to CA $1,973\. Here are more money-saving tips: - Fly in May when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Adelaide - 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 Adelaide 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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