Title: Chattanooga to Dublin cheap flights from $315 (CHA to DUB) - Expedia.com ![Moment RF](https://images.trvl-media.com/place/1069/6b465f6b-4c05-4ac8-bce6-22ba33b97f11.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1069/6b465f6b-4c05-4ac8-bce6-22ba33b97f11.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $315 Cheap Flights from Chattanooga (CHA) to Dublin (DUB) [View $315 flight on Mon, Sep 7, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:CHA,to:DUB,departure:9/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:314.50&airProductToken=AQqZAQoxCMGCARIENDQ2ORjiASCuHCjsl5cDMOSYlwM4T0AAWAFqBU5PQkFHcghPTFg5QzlCVgoxCMKCARIDMjk4GK4cIOuJASilmZcDMIWdlwM4T0ABWAFqBU5PQkFHcghPTFg5QzlCVgoxCMKCARIDODI4GOuJASCDDSjanZcDMLSelwM4T0ABWAFqBU5PQkFHcghPTFg5QzlCVhIMCAEQARgBKgJCQTIAGAEiBAgBEAEoAigDMA0) ## Popular airlines from Chattanooga Metropolitan Airport (CHA) to Dublin Airport (DUB) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CHA,to:DUB,departure:4/10/2026TANYT&leg2=from:DUB,to:CHA,departure:4/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:CHA,to:DUB,departure:4/10/2026TANYT&leg2=from:DUB,to:CHA,departure:4/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:CHA,to:DUB,departure:4/10/2026TANYT&leg2=from:DUB,to:CHA,departure:4/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg) KLM [](https://www.expedia.com/Flights-Search?leg1=from:CHA,to:DUB,departure:4/10/2026TANYT&leg2=from:DUB,to:CHA,departure:4/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AF.svg) Air France [](https://www.expedia.com/Flights-Search?leg1=from:CHA,to:DUB,departure:4/10/2026TANYT&leg2=from:DUB,to:CHA,departure:4/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AF"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SK.svg) SAS [](https://www.expedia.com/Flights-Search?leg1=from:CHA,to:DUB,departure:4/10/2026TANYT&leg2=from:DUB,to:CHA,departure:4/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SK"}}]) - ![](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) ## Cheap Flights from Chattanooga to Dublin (CHA-DUB) Prices were available within the past 7 days and start at $315 for one-way flights and $696 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Sep 7 - Tue, Sep 15 CHA Chattanooga DUB Dublin $696 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHA,to:DUB,departure:9/7/2026TANYT&leg2=from:DUB,to:CHA,departure:9/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:695.33&airProductToken=AQpvCjYIxJgBEgQ1MTE3GOIBIOO0ASjvlpcDMN-XlwM4RUAAWAFqCU1BSU5CQVNJQ3IIVkxYOTFTQkEKNQjEmAESAzI5MhjjtAEggw0o5pmXAzCPnZcDOEVAAVgBaglNQUlOQkFTSUNyCFZMWDkxU0JBCqUBCjYIxJgBEgQ5NTA3GIMNIICTASjb65cDMLrslwM4RUAAWAFqCU1BSU5CQVNJQ3IIVkxYOTFTQkEKNAjEmAESAjc1GICTASDgXCio7ZcDMOzxlwM4RUABWAFqCU1BSU5CQVNJQ3IIVkxYOTFTQkEKNQjEmAESBDE3MjIY4Fwg4gEojPOXAzDC85cDOEVAAVgBaglNQUlOQkFTSUNyCFZMWDkxU0JBEgwIARABGAEqAkRMMgAYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Aug 18 - Wed, Aug 26 CHA Chattanooga DUB Dublin $699 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHA,to:DUB,departure:8/18/2026TANYT&leg2=from:DUB,to:CHA,departure:8/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:698.83&airProductToken=AQprCjQI1YIBEgQ0NDA3GOIBIK4cKPWzlQMw77SVAzhMQABYAWoIRUNPQkFTSUNyCExMSTkwVUJRCjMI1YIBEgM5ODAYrhwggw0o8LiVAzCtvJUDOExAAVgBaghFQ09CQVNJQ3IITExJOTBVQlEKbAozCNWCARICMjIYgw0gxI0BKP6KlgMwsY6WAzhMQABYAWoIRUNPQkFTSUNyCExMSTkwVUJRCjUI1YIBEgQ0NDE5GMSNASDiASjgj5YDMP-QlgM4TEABWAFqCEVDT0JBU0lDcghMTEk5MFVCURIMCAEQARgBKgJVQTIAGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Sep 7 - Tue, Sep 15 CHA Chattanooga DUB Dublin $704 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHA,to:DUB,departure:9/7/2026TANYT&leg2=from:DUB,to:CHA,departure:9/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:703.03&airProductToken=AQpvCjYIxJgBEgQ1MTE3GOIBIOO0ASjvlpcDMN-XlwM4RUAAWAFqCU1BSU5CQVNJQ3IIVkxYOTFTQkEKNQjEmAESAzI5MhjjtAEggw0o5pmXAzCPnZcDOEVAAVgBaglNQUlOQkFTSUNyCFZMWDkxU0JBCqUBCjUIxJgBEgQ4Mjg5GIMNIOIwKKfqlwMwn-uXAzhFQABYAWoJTUFJTkJBU0lDcghWTFg5MVNCQQo1CMSYARIEODc1NRjiMCDgXCj-65cDMLPwlwM4RUABWAFqCU1BSU5CQVNJQ3IIVkxYOTFTQkEKNQjEmAESBDUzNzYY4Fwg4gEoxPGXAzD98ZcDOEVAAVgBaglNQUlOQkFTSUNyCFZMWDkxU0JBEgwIARABGAEqAkRMMgAYASIECAEQASgCKAMoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, Sep 7 - Tue, Sep 15 CHA Chattanooga DUB Dublin $709 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHA,to:DUB,departure:9/7/2026TANYT&leg2=from:DUB,to:CHA,departure:9/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:708.72&airProductToken=AQpnCjIIwYIBEgQ1ODUwGOIBIOKaASjskpcDMMmTlwM4QkAAWAFqBUJBU0lDcghPTFg5QzlCVgoxCMGCARIDNzI0GOKaASCDDSjmmZcDMKOdlwM4QkABWAFqBUJBU0lDcghPTFg5QzlCVgqWAQowCMGCARIDNzIzGIMNIO9ZKP7rlwMwse-XAzhCQABYAWoFQkFTSUNyCE9MWDlDOUJWCjAIwYIBEgQ1MzYzGO9ZIEMoqvGXAzDy8ZcDOEJAAVgBagVCQVNJQ3IIT0xYOUM5QlYKMAjBggESBDUwNjEYQyDiASiR85cDMIH0lwM4QkABWAFqBUJBU0lDcghPTFg5QzlCVhIMCAEQARgBKgJBQTIAGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, Sep 7 - Tue, Sep 15 CHA Chattanooga DUB Dublin $712 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHA,to:DUB,departure:9/7/2026TANYT&leg2=from:DUB,to:CHA,departure:9/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:711.22&airProductToken=AQpnCjIIwYIBEgQ1ODUwGOIBIOKaASjskpcDMMmTlwM4QkAAWAFqBUJBU0lDcghPTFg5QzlCVgoxCMGCARIDNzI0GOKaASCDDSjmmZcDMKOdlwM4QkABWAFqBUJBU0lDcghPTFg5QzlCVgqcAQoyCMGCARIENzEzMxiDDSDriQEouuyXAzCU7ZcDOFNAAFgBagVCQVNJQ3IIT0xYOUM5QlYKMgjBggESAzczNRjriQEg4poBKMjulwMw5PKXAzhCQAFYAWoFQkFTSUNyCE9MWDlDOUJWCjIIwYIBEgQ1ODc1GOKaASDiASi085cDMIb0lwM4QkABWAFqBUJBU0lDcghPTFg5QzlCVhIMCAEQARgBKgJBQTIAGAEiBAgBEAEoAigDKAQwCw) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Sep 7 - Tue, Sep 15 CHA Chattanooga DUB Dublin $726 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHA,to:DUB,departure:9/7/2026TANYT&leg2=from:DUB,to:CHA,departure:9/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:725.33&airProductToken=AQptCjUIxJgBEgQzMDM5GOIBIOBcKN-TlwMwlZSXAzhFQABYAWoJTUFJTkJBU0lDcghYTFg4NlNCQQo0CMSYARIDMTc2GOBcIIMNKKCZlwMw8ZyXAzhFQAFYAWoJTUFJTkJBU0lDcghYTFg4NlNCQQqlAQo2CMSYARIEOTUwNxiDDSCAkwEo2-uXAzC67JcDOEVAAFgBaglNQUlOQkFTSUNyCFZMWDkxU0JBCjQIxJgBEgI3NRiAkwEg4FwoqO2XAzDs8ZcDOEVAAVgBaglNQUlOQkFTSUNyCFZMWDkxU0JBCjUIxJgBEgQxNzIyGOBcIOIBKIzzlwMwwvOXAzhFQAFYAWoJTUFJTkJBU0lDcghWTFg5MVNCQRIMCAEQARgBKgJETDIAGAEiBAgBEAEoAigDKAQwAQ) ![Scandinavian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SK.gif) Thu, Aug 20 - Wed, Aug 26 CHA Chattanooga DUB Dublin $730 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHA,to:DUB,departure:8/20/2026TANYT&leg2=from:DUB,to:CHA,departure:8/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:729.43&airProductToken=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) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Sep 7 - Tue, Sep 15 CHA Chattanooga DUB Dublin $731 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHA,to:DUB,departure:9/7/2026TANYT&leg2=from:DUB,to:CHA,departure:9/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:730.73&airProductToken=AQptCjUIxJgBEgQzMDU3GOIBIOBcKPaSlwMwsJOXAzhFQABYAWoJTUFJTkJBU0lDcghYTFg4NlNCQQo0CMSYARIDMTc2GOBcIIMNKKCZlwMw8ZyXAzhFQAFYAWoJTUFJTkJBU0lDcghYTFg4NlNCQQqlAQo2CMSYARIEOTUwNxiDDSCAkwEo2-uXAzC67JcDOEVAAFgBaglNQUlOQkFTSUNyCFZMWDkxU0JBCjQIxJgBEgI3NRiAkwEg4FwoqO2XAzDs8ZcDOEVAAVgBaglNQUlOQkFTSUNyCFZMWDkxU0JBCjUIxJgBEgQxNzIyGOBcIOIBKIzzlwMwwvOXAzhFQAFYAWoJTUFJTkJBU0lDcghWTFg5MVNCQRIMCAEQARgBKgJETDIAGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Sep 7 - Tue, Sep 15 CHA Chattanooga DUB Dublin $735 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHA,to:DUB,departure:9/7/2026TANYT&leg2=from:DUB,to:CHA,departure:9/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:734.58&airProductToken=AQprCjQI1YIBEgQ0NTQwGOIBIK4cKPaSlwMw9ZOXAzhUQABYAWoIRUNPQkFTSUNyCFRMWDg2VUJRCjMI1YIBEgM5ODAYrhwggw0o8JmXAzCtnZcDOFRAAVgBaghFQ09CQVNJQ3IIVExYODZVQlEKawozCNWCARIDOTgxGIMNIK4cKPvslwMw4PCXAzhMQABYAWoIRUNPQkFTSUNyCExMSTkwVUJRCjQI1YIBEgQ0NTA3GK4cIOIBKNrylwMw0fOXAzhMQAFYAWoIRUNPQkFTSUNyCExMSTkwVUJREgwIARABGAEqAlVBMgAYASIECAEQASgCKAMoBDAB) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Tue, Sep 8 - Thu, Sep 17 CHA Chattanooga DUB Dublin $786 Roundtrip found 2 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHA,to:DUB,departure:9/8/2026TANYT&leg2=from:DUB,to:CHA,departure:9/17/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:785.73&airProductToken=AQqbAQoxCNamARIENDQ0NRjiASDgXCijopcDMN6ilwM4VEAAWAFqBUxJR0hUcghPTFg5MU5CTAoyCNamARIEMzk0OBjgXCCAkwEotqSXAzC-qJcDOFRAAVgBagVMSUdIVHIIT0xYOTFOQkwKMgjLmAESBDExMzkYgJMBIIMNKJiplwMw_KmXAzhWQAFYAWoFTElHSFRyCE9MWDkxTkJMCm0KNAjEmAESAzE3NxiDDSDgXCiYg5gDMK2HmAM4RUAAWAFqCU1BSU5CQVNJQ3IIVkxYOTFOQkwKNQjEmAESBDE3MjIY4Fwg4gEozImYAzCCipgDOEVAAVgBaglNQUlOQkFTSUNyCFZMWDkxTkJMEgwIARABGAEqAlZTMgAYASIECAEQASgCKAMoBDAB) ## Alternative airports near Dublin Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:CHA,to:DUB,departure:4/10/2026TANYT&leg2=from:DUB,to:CHA,departure:4/13/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) DUB Dublin Airport CheapestClosest 14 min [Flights from $942 ](https://www.expedia.com/Flights-Search?leg1=from:CHA,to:DUB,departure:4/10/2026TANYT&leg2=from:DUB,to:CHA,departure:4/13/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much does a flight from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB) cost? ### What is the cheapest month to fly from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB)? ### Which airlines fly direct from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB)? ### What is the cheapest airline that flies from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB)? ### How do I find cheap flights from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB)? ### What is the best time to fly from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB)? ### What is the earliest flight from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB)? ### What are the most popular departure times for flights from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB)? ### How long does it take to fly from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB)? ### Can you fly business or first class from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB)? ### How do I earn miles on a Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB) flight with Expedia? ### Is it cheaper to buy a plane ticket from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB) at the last minute? ### Is it cheaper to book a Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB) flight and hotel package? ### Can I cancel or change the date of my flight from Chattanooga, TN (CHA-Chattanooga Metropolitan) to Dublin (DUB)? ## Travel information | Origin airport | Chattanooga Metropolitan | | ------------------- | ------------------------------------------------------------------------ | | Destination airport | Dublin | | Airlines serving | Air France, American Airlines, Delta, KLM, Scandinavian Airlines, United | | Roundtrip price | $695 | | Distance | 3891 mi | ## Book with confidence # Chattanooga to Dublin Flights The cheapest times to fly from Chattanooga to Dublin On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chattanooga to Dublin are during the month of September. You can find some of the cheapest flights from Chattanooga to Dublin with Expedia's search tool and vast selection of airlines. The best time to book a flight from Chattanooga to Dublin Sunday is one of the best days to book for cheap flights from Chattanooga to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Chattanooga to Dublin Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chattanooga to Dublin in 2026\. You can also book with separate airlines for your outbound and return journeys, from $315 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chattanooga to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Chattanooga to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. \*Flight schedules are subject to change. \*Available to One Key members. ## Explore a world of travel with Expedia - Lodging - Packages - [Hotels near Ireland's Eye ](https://www.expedia.com/Irelands-Eye-Hotels.0-l6086193-0.Travel-Guide-Filter-Hotels) - [Gay friendly Hotels in Dardistown ](https://www.expedia.com/Dardistown-Hotels-LGBT-Welcoming-Hotel.0-0-d553248635975856820-tLGBTWelcomingHotel.Travel-Guide-Filter-Hotels) - [Dardistown Hotels ](https://www.expedia.com/Dardistown-Hotels.d553248635975856820.Travel-Guide-Hotels) - [Ireland's Eye ](https://www.expedia.com/Irelands-Eye-Dublin.d6086193.Vacation-Attraction)