标题：$23 起 山地诸州机票 - 预订飞往山地诸州, 美国的廉价机票 - Expedia.com ![Zion national park is so beautiful. #nationalpark #zion vinramundo.smugmug.com](https://images.trvl-media.com/place/184036/b3337f0e-ff54-4fe0-9356-981bd893a9cc.jpg?impolicy=fcrop&w=1200&h=500&q=medium) 拍摄者： Vincent Ramundo ![](https://images.trvl-media.com/place/184036/b3337f0e-ff54-4fe0-9356-981bd893a9cc.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # 山地诸州机票指南 - 预订飞往山地诸州的廉价机票 [查看 2026 年 3 月 10 日（周二）的 $23 航班](https://expedia.com/Flights-Search?trip=oneway&leg1=from:LAX,to:SLC,departure:3/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:22.98&airProductToken=AQoxCi8IxnISBDEyNjgYi7gBIPISKJKlhwMwhqaHAzhFQABYAWoEUENfMXIHSzIxRVhTMhIKCAEQARgBKgJGORgBIgQIARABKAIoAzAN) - [往返](?flightType=roundtrip) - [单程](?flightType=oneway) - [多城市](?flightType=multicity) ### 旅客 成人 儿童2 至 17 岁 婴儿2 岁以下 经济舱高端经济舱商务舱头等舱 出发地 目的地 去程 回程 添加住宿 添加租车 只搜直飞航班 [山地诸州旅行指南](https://expedia.com/cn/Mountain-States.dx6212719)[山地诸州的酒店](https://expedia.com/cn/Mountain-States-Hotels.d6212719.Travel-Guide-Hotels)[山地诸州租车服务](https://expedia.com/cn/Car-Hire-In-Mountain-States.d6212719.Travel-Guide-Cars)[山地诸州度假套餐](https://expedia.com/cn/Mountain-States.d6212719.Travel) ## 热门航空公司 - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) 边疆航空 - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) 美国航空 - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) 达美航空 - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) 联合航空 - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) 阿拉斯加航空 - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) 捷蓝航空 - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### 掌握动态 收取机票价格下降或上涨的通知\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### 明智之选 预订机票后，加订精选酒店最多可省 30%\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### 双重奖励 获得我们的 OneKeyCash 奖励金的同时还能累积航空里程 [了解 One Key 计划](https://www.expedia.com/welcome-one-key) ## 选择我们的超值优惠，享受明智的飞行旅程 直飞 含随身行李 低于常见价格 - 哥伦布 (CMH)盐湖城 (SLC) 3 月 13 日（五） 3 月 22 日（日） ![达美航空](https://a.travel-assets.com/air/airlines/dl_sq.svg)达美航空 • 直飞 --- 9 日行程 3 小时前报价 比常见价格低 35% $439 [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SLC,departure:3/13/2026TANYT&leg2=from:SLC,to:CMH,departure:3/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-322025eb1b164818b323942554f138ad-686-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBvKTlW6oBBwoDQ01IEACyAQcKA1NMQxAA~AQo3CjUIxJgBEgQyMTQyGII7IPISKNnAhwMwz8KHAzhFQABYAWoJTUFJTkJBU0lDcghWRldRQTBCUQo3CjUIxJgBEgQyMjMwGPISIII7KOeriAMwr62IAzhFQABYAWoJTUFJTkJBU0lDcghYRlZHQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE&medianPrice=860.00&displayPrice=438.81&src=dflp) - 哥伦布 (CMH)盐湖城 (SLC) 3 月 10 日（二） 3 月 20 日（五） ![达美航空](https://a.travel-assets.com/air/airlines/dl_sq.svg)达美航空 • 直飞 --- 10 日行程 3 小时前报价 比常见价格低 35% $339 [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SLC,departure:3/10/2026TANYT&leg2=from:SLC,to:CMH,departure:3/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-61aef4295eee44a7aa42ae81813e6237-851-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gB-KPlW6oBBwoDQ01IEACyAQcKA1NMQxAA~AQo3CjUIxJgBEgQyMTQyGII7IPISKPmehwMw76CHAzhFQABYAWoJTUFJTkJBU0lDcghWRldRQTBCUQo3CjUIxJgBEgQyMjMwGPISIII7KKeViAMw75aIAzhFQABYAWoJTUFJTkJBU0lDcghWRldRQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE&medianPrice=686.00&displayPrice=338.80&src=dflp) - 哥伦布 (CMH)盐湖城 (SLC) 3 月 12 日（四） 3 月 22 日（日） ![达美航空](https://a.travel-assets.com/air/airlines/dl_sq.svg)达美航空 • 直飞 --- 10 日行程 3 小时前报价 比常见价格低 25% $439 [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SLC,departure:3/12/2026TANYT&leg2=from:SLC,to:CMH,departure:3/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-65c3ba3b61384964aa8012beaa22c2fd-1101-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gB8KPlW6oBBwoDQ01IEACyAQcKA1NMQxAA~AQo3CjUIxJgBEgQyMTQyGII7IPISKLm1hwMwr7eHAzhFQABYAWoJTUFJTkJBU0lDcghWRldRQTBCUQo3CjUIxJgBEgQyMjMwGPISIII7KOeriAMwr62IAzhFQABYAWoJTUFJTkJBU0lDcghYRlZHQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE&medianPrice=768.00&displayPrice=438.81&src=dflp) - 哥伦布 (CMH)丹佛 (DEN) 2 月 21 日（六） 2 月 28 日（六） ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • 直飞 --- 6 日行程 最新报价 比常见价格低 25% $307 [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:DEN,departure:2/21/2026TANYT&leg2=from:DEN,to:CMH,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-49c9543cd16e43bf9f8ed757541250ee-3353-1-st-v5-sos-49c9543cd16e43bf9f8ed757541250ee-3250-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAZvf5VuqAQcKA0NNSBAAsgEHCgNERU4QAA~AQowCi4I15wBEgQxMTExGII7IINpKMzlhQMwj-eFAzhGQABYAWoDV0dBcgdGTE5VSzJGEgoIARABGAEqAldOGAEiBAgBEAEoAigDKAQwAQ.AQpoCjIIwYIBEgQyNTczGINpIOKaASirsIYDMO6xhgM4QkAAWAFqBUJBU0lDcghRVkFVWk5CVgoyCMGCARIENTQ4NhjimgEggjso8LKGAzDTs4YDOEJAAVgBagVCQVNJQ3IIUVZBVVpOQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL&medianPrice=527.00&displayPrice=306.60&src=dflp) - 哥伦布 (CMH)丹佛 (DEN) 2 月 21 日（六） 2 月 28 日（六） ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • 直飞 --- 7 日行程 10 小时前报价 比常见价格低 25% $307 [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:DEN,departure:2/21/2026TANYT&leg2=from:DEN,to:CMH,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-2d8907a7585248418226be2967a5e6cd-3368-1-st-v5-sos-2d8907a7585248418226be2967a5e6cd-3303-1~9.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAd_I41uqAQcKA0NNSBAAsgEHCgNERU4QAA~AQowCi4I15wBEgQ0NDI0GII7IINpKJ3fhQMw6uCFAzhGQABYAWoDV0dBcgdGTE5VSzJGEgoIARABGAEqAldOGAEiBAgBEAEoAigDKAQwAQ.AQpsCjQIxJgBEgMzNDEYg2kg4FworK-GAzDdsIYDOEVAAFgBaglNQUlOQkFTSUNyCFZBVk5BMEJHCjQIxJgBEgMzNzYY4FwggjsoxbKGAzCcs4YDOEVAAVgBaglNQUlOQkFTSUNyCFZBVk5BMEJHEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ&medianPrice=527.00&displayPrice=306.60&src=dflp) ## 飞往山地诸州的便宜机票 这些是过去七天内可以订到的价格。显示的价格为指定时段内的单人、往返价格。价格和供应情况可能会有所变动。需遵守其他条款。 所有优惠 单程 往返 ![边疆航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) 4 月 14 日（星期二） - 4 月 18 日（星期六） ORD 芝加哥 LAS 拉斯维加斯 $68 往返 刚刚搜索到 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:LAS,departure:4/14/2026TANYT&leg2=from:LAS,to:ORD,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:67.96&airProductToken=AQoxCi8IxnISBDIxNDUYrhwgi5ABKOqvigMw7LGKAzhFQABYAWoEUENfMXIHSzIxRVhTMgoxCi8IxnISBDIxNDYYi5ABIK4cKJ_UigMwg9aKAzhFQABYAWoEUENfMXIHWjIxU1hTMhIMCAEQARgBKgJGOTIAGAEiBAgBEAEoAigDMA0) ![精灵航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) 5 月 6 日（星期三） - 5 月 19 日（星期二） ORD 芝加哥 LAS 拉斯维加斯 $80 往返 刚刚搜索到 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:LAS,departure:5/6/2026TANYT&leg2=from:LAS,to:ORD,departure:5/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:79.98&airProductToken=AQouCiwIzpYBEgM1ODYYrhwgi5ABKJGnjAMwgqmMAzhXQABYAWoCUlByBldBMjFWMgouCiwIzpYBEgM1ODcYi5ABIK4cKOO7jQMwt72NAzhXQABYAWoCUlByBldBMjFWMhIKCAEQARgBKgJOSxgBIgQIARABKAIoAygEMA0) ![美国航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) 4 月 14 日（星期二） - 4 月 18 日（星期六） ORD 芝加哥 LAS 拉斯维加斯 $119 往返 刚刚搜索到 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:LAS,departure:4/14/2026TANYT&leg2=from:LAS,to:ORD,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:118.80&airProductToken=AQozCjEIwYIBEgMzMzYYrhwgi5ABKIivigMwgrGKAzhCQABYAWoFQkFTSUNyCE9WQUlYU0JYCjQKMgjBggESBDE4NTMYi5ABIK4cKN7eigMwuOCKAzhCQABYAWoFQkFTSUNyCE9WQUlYU0JYEgwIARABGAEqAkFBMgAYASIECAEQASgCKAMoBDAL) ![联合航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) 4 月 14 日（星期二） - 4 月 18 日（星期六） ORD 芝加哥 LAS 拉斯维加斯 $119 往返 刚刚搜索到 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:LAS,departure:4/14/2026TANYT&leg2=from:LAS,to:ORD,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:118.80&airProductToken=AQo4CjYI1YIBEgM3NzcYrhwgi5ABKI2vigMwi7GKAzhOQABYAWoKMV9iYXNpY2Vjb3IIR0FHMkFLQlMKOQo3CNWCARIEMjEwMhiLkAEgrhwog9-KAzDe4IoDOE5AAFgBagoxX2Jhc2ljZWNvcghHQUcyQUtCUxIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![美國西南航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/wn.gif) 4 月 14 日（星期二） - 4 月 18 日（星期六） ORD 芝加哥 LAS 拉斯维加斯 $119 往返 刚刚搜索到 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:LAS,departure:4/14/2026TANYT&leg2=from:LAS,to:ORD,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:118.80&airProductToken=AQoxCi8I15wBEgQyNjk1GK4cIIuQASjerYoDMM6vigM4VkAAWAFqA1dHQXIHVlpOVksyRgoxCi8I15wBEgQyOTUzGIuQASCuHCiI3IoDMOndigM4VkAAWAFqA1dHQXIHVlpOVksyRhIMCAEQARgBKgJXTjIAGAEiBAgBEAEoAigDKAQwAQ) ## 其他机场 价格是过去七天内可以订到的价格。价格和供应情况可能会有所变动。 [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:LAS,departure:2/20/2026TANYT&leg2=from:LAS,to:CMH,departure:2/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LAS 哈里·瑞德国际机场 [机票 $400 起 ](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:LAS,departure:2/20/2026TANYT&leg2=from:LAS,to:CMH,departure:2/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:DEN,departure:2/20/2026TANYT&leg2=from:DEN,to:CMH,departure:3/1/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) DEN 丹佛国际机场 价格最低 [机票 $218 起 ](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:DEN,departure:2/20/2026TANYT&leg2=from:DEN,to:CMH,departure:3/1/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SLC,departure:2/20/2026TANYT&leg2=from:SLC,to:CMH,departure:3/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SLC 盐湖城国际机场 [机票 $519 起 ](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SLC,departure:2/20/2026TANYT&leg2=from:SLC,to:CMH,departure:3/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:JAC,departure:2/20/2026TANYT&leg2=from:JAC,to:CMH,departure:3/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) JAC 杰克逊霍尔机场 [机票 $369 起 ](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:JAC,departure:2/20/2026TANYT&leg2=from:JAC,to:CMH,departure:3/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:RNO,departure:2/20/2026TANYT&leg2=from:RNO,to:CMH,departure:2/23/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) RNO 雷诺-太浩国际机场 [机票 $557 起 ](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:RNO,departure:2/20/2026TANYT&leg2=from:RNO,to:CMH,departure:2/23/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:COS,departure:2/20/2026TANYT&leg2=from:COS,to:CMH,departure:2/26/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) COS 科罗拉多斯普林斯机场 [机票 $357 起 ](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:COS,departure:2/20/2026TANYT&leg2=from:COS,to:CMH,departure:2/26/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:BOI,departure:2/20/2026TANYT&leg2=from:BOI,to:CMH,departure:2/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) BOI 博伊西机场 [机票 $479 起 ](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:BOI,departure:2/20/2026TANYT&leg2=from:BOI,to:CMH,departure:2/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## 关于山地诸州 智游网积极为您寻找前往山地诸州的廉价航班，提供更多的航空公司、航班时间和更优惠的价格供您选择，其他公司绝对无法比拟。同时，在您临时决定出发到山地诸州的最后关头，智游网会为您找到价格实惠的机票；而为您提供山地诸州酒店的超值预订优惠，更是不在话下，让您尊享多重优惠。 另外，选择最后一分钟出票到山地诸州，可让规划好预算、且在时间安排上更具弹性的旅客节省更多。由于前往山地诸州的特价机票时有更新，因此请密切留意Expedia。我们的合作伙伴将为您提供价格超值的机票。 如需其他协助，智游网客户服务代表会全天候为您服务，解答您一切有关预订山地诸州特价机票的问题。无论您预订山地诸州的国内或国际航班，我们都保证您所预订的航班為最好、价格最优。 ## 常见问题 ### 何时适合去山地诸州游玩？ __飞往山地诸州的航班信息__ | 到达机场 | 盐湖城国际机场 | | ---------- | ------- | | 到达机场国际航协代码 | SLC | | 目的地城市名称 | 盐湖城 | | 往返票价 | $46 | ## 前往山地诸州的热门航班 这些是过去七天内可以订到的价格。显示的价格为指定时段内的单人、往返价格。价格和供应情况可能会有所变动。需遵守其他条款。 所有优惠 单程 往返 ![边疆航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) 3 月 11 日（星期三） - 3 月 11 日（星期三） LAX 洛杉矶 SLC 盐湖城 $46 往返 最新报价 4 小时前 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAX,to:SLC,departure:3/11/2026TANYT&leg2=from:SLC,to:LAX,departure:3/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:45.96&airProductToken=AQoxCi8IxnISBDQxMzAYi7gBIPISKLKthwMwp66HAzhFQABYAWoEUENfMXIHSzIxWFhTMgoxCi8IxnISBDQxMjkY8hIgi7gBKN6uhwMw4a-HAzhFQABYAWoEUENfMXIHSzIxWFhTMhIKCAEQARgBKgJGORgBIgQIARABKAIoAzAN) ## Expedia 带您探索世界 - 住宿 - [恐龙国家纪念公园附近的酒店 ](https://www.expedia.com/cn/Dinosaur-National-Monument-Hotels.0-l6089680-0.Travel-Guide-Filter-Hotels) \* 适用于 Expedia 会员。