Title: Flights to Glasgow from Tri-Cities from $298 (TRI to GLA) - Expedia.com ![](https://images.trvl-media.com/place/1334/f6ec0d3b-6520-426c-a178-71ee98e2078b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1334/f6ec0d3b-6520-426c-a178-71ee98e2078b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $298 Cheap Flights from Tri-Cities (TRI) to Glasgow (GLA) [View $298 flight on Sat, Oct 3, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:TRI,to:GLA,departure:10/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:297.44&airProductToken=AQqcAQoyCMGCARIENjA5MBizRCDimgEo-L2ZAzDOvpkDOEJAAFgBagVCQVNJQ3IIT0xYOUM5QlYKMgjBggESAzczMBjimgEg64kBKIjImQMw48uZAzhCQAFYAWoFQkFTSUNyCE9MWDlDOUJWCjIIwYIBEgQ3MTA4GOuJASDmAii9zJkDMJLNmQM4UUABWAFqBUJBU0lDcghPTFg5QzlCVhIMCAEQARgBKgJBQTIAGAEiBAgBEAEoAigDKAQwCw) ## Popular airlines from Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow International Airport (GLA) - ![](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:TRI,to:GLA,departure:4/3/2026TANYT&leg2=from:GLA,to:TRI,departure:4/10/2026TANYT&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:TRI,to:GLA,departure:4/3/2026TANYT&leg2=from:GLA,to:TRI,departure:4/10/2026TANYT&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_KL.svg) KLM [](https://www.expedia.com/Flights-Search?leg1=from:TRI,to:GLA,departure:4/3/2026TANYT&leg2=from:GLA,to:TRI,departure:4/10/2026TANYT&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_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:TRI,to:GLA,departure:4/3/2026TANYT&leg2=from:GLA,to:TRI,departure:4/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](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 Tri-Cities to Glasgow (TRI-GLA) Prices were available within the past 7 days and start at $298 for one-way flights and $851 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Sep 5 - Tue, Sep 15 TRI Tri-Cities GLA Glasgow $851 Roundtrip found 5 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:TRI,to:GLA,departure:9/5/2026TANYT&leg2=from:GLA,to:TRI,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:850.87&airProductToken=AQqoAQoyCMGCARIENjA5MBizRCDimgEo7IKXAzC1g5cDOEJAAFgBagVCQVNJQ3IIT0xYOUM5QlYKMgjBggESAzczMBjimgEg64kBKIONlwMw45CXAzhCQAFYAWoFQkFTSUNyCE9MWDlDOUJWCj4IwYIBEgQ3MTA4GOuJASDmAii9kZcDMJKSlwM4UUABWAFqBUJBU0lDcghPTFg5QzlCVnoKCMKCARIEMTQ3OAqoAQo-CMGCARIENjYwOBjmAiDriQEop-qXAzCG65cDOFFAAFgBagVCQVNJQ3IIT0xYOUM5QlZ6CgjCggESBDE0OTcKMgjBggESAzczMxjriQEg4poBKLLtlwMw2PGXAzhCQAFYAWoFQkFTSUNyCE9MWDlDOUJWCjIIwYIBEgQ1OTEyGOKaASCzRCi085cDMPnzlwM4QkABWAFqBUJBU0lDcghPTFg5QzlCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Sep 5 - Tue, Sep 15 TRI Tri-Cities GLA Glasgow $853 Roundtrip found 5 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:TRI,to:GLA,departure:9/5/2026TANYT&leg2=from:GLA,to:TRI,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:852.87&airProductToken=AQqoAQoyCMGCARIENjA5MBizRCDimgEo7IKXAzC1g5cDOEJAAFgBagVCQVNJQ3IIT0xYOUM5QlYKMgjBggESAzczMBjimgEg64kBKIONlwMw45CXAzhCQAFYAWoFQkFTSUNyCE9MWDlDOUJWCj4IwYIBEgQ3MTA4GOuJASDmAii9kZcDMJKSlwM4UUABWAFqBUJBU0lDcghPTFg5QzlCVnoKCMKCARIEMTQ3OAqnAQo-CMGCARIENzE1OBjmAiDriQEo6OqXAzDH65cDOFFAAFgBagVCQVNJQ3IIT0xYOUM5QlZ6CgjCggESBDE0OTkKMQjBggESAjIxGOuJASCjsQEo2OyXAzC68ZcDOEJAAVgBagVCQVNJQ3IIT0xYOUM5QlYKMgjBggESBDM3NjAYo7EBILNEKLTzlwMwzPSXAzhCQAFYAWoFQkFTSUNyCE9MWDlDOUJWEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Sep 5 - Tue, Sep 15 TRI Tri-Cities GLA Glasgow $869 Roundtrip found 5 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:TRI,to:GLA,departure:9/5/2026TANYT&leg2=from:GLA,to:TRI,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:868.73&airProductToken=AQqpAQo2CNWCARIENTk2NxizRCCuHCiY_JYDMJT9lgM4VEAAWAFqCjFfYmFzaWNlY29yCFRMVjkwVUJRCjcI1YIBEgQyMzAxGK4cIMSNASj0_ZYDMP3-lgM4VEAAWAFqCjFfYmFzaWNlY29yCFRMVjkwVUJRCjYI1YIBEgMyMzAYxI0BIOYCKOeDlwMwhoeXAzhUQABYAWoKMV9iYXNpY2Vjb3IIVExWOTBVQlEKqAEKNgjVggESAzIzMRjmAiDEjQEojO6XAzDY8ZcDOExAAFgBagoxX2Jhc2ljZWNvcghMTEk5MFVCUQo2CNWCARIDMjU0GMSNASCuHCi88pcDMOPzlwM4TEAAWAFqCjFfYmFzaWNlY29yCExMSTkwVUJRCjYI1YIBEgQ1OTI5GK4cILNEKLb0lwMwofWXAzhMQABYAWoKMV9iYXNpY2Vjb3IITExJOTBVQlESCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Tue, Oct 20 - Tue, Nov 3 TRI Tri-Cities GLA Glasgow $878 Roundtrip found 6 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:TRI,to:GLA,departure:10/20/2026TANYT&leg2=from:GLA,to:TRI,departure:11/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:877.43&airProductToken=AQq9AQo9CNamARIEMjg2MxizRCDgXCiG-5oDMND7mgM4VEAAWAFqBUxJR0hUcghPTFg5MVNCQXoKCMSYARIENTUxOQo9CNamARIENzExMhjgXCCAkwEooP6aAzCegpsDOFRAAVgBagVMSUdIVHIIT0xYOTFTQkF6CQjLmAESAzYyMgo9CNamARIENjk5MRiAkwEg5gIotIObAzCOhJsDOFRAAVgBagVMSUdIVHIIT0xYOTFTQkF6CQjLmAESAzk0MQq9AQo9CNamARIENjk4NhjmAiCAkwEosJecAzCKmJwDOFRAAFgBagVMSUdIVHIIT0xYOTFTQkF6CQjLmAESAzk0Mgo9CNamARIEMzk0MxiAkwEg4FwoiZ-cAzDho5wDOFRAAVgBagVMSUdIVHIIT0xYOTFTQkF6CQjEmAESAzA3Mwo9CNamARIEMjcwMBjgXCCzRCjsppwDMKynnAM4VEABWAFqBUxJR0hUcghPTFg5MVNCQXoKCMSYARIEMTU5NhIKCAEQARgBKgJWUxgBIgQIARABKAIoAygEMAE) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Tue, Oct 20 - Tue, Nov 3 TRI Tri-Cities GLA Glasgow $878 Roundtrip found 6 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:TRI,to:GLA,departure:10/20/2026TANYT&leg2=from:GLA,to:TRI,departure:11/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:877.93&airProductToken=AQq9AQo9CNamARIEMjg2MhizRCDgXCi3-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) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Tue, Oct 20 - Tue, Nov 3 TRI Tri-Cities GLA Glasgow $883 Roundtrip found 6 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:TRI,to:GLA,departure:10/20/2026TANYT&leg2=from:GLA,to:TRI,departure:11/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:882.84&airProductToken=AQq9AQo9CNamARIEMjcwMxizRCDgXCi__JoDMI39mgM4VEAAWAFqBUxJR0hUcghPTFg5MVNCQXoKCMSYARIENTUwOAo9CNamARIEMzkzMhjgXCCAkwEo9oabAzD5ipsDOFRAAVgBagVMSUdIVHIIT0xYOTFTQkF6CQjEmAESAzA3Mgo9CNamARIENjk5MxiAkwEg5gIo-JGbAzDSkpsDOFRAAVgBagVMSUdIVHIIT0xYOTFTQkF6CQjLmAESAzk0NQq9AQo9CNamARIENjk4NhjmAiCAkwEosJecAzCKmJwDOFRAAFgBagVMSUdIVHIIT0xYOTFTQkF6CQjLmAESAzk0Mgo9CNamARIEMzk0MxiAkwEg4FwoiZ-cAzDho5wDOFRAAVgBagVMSUdIVHIIT0xYOTFTQkF6CQjEmAESAzA3Mwo9CNamARIEMjcwMBjgXCCzRCjsppwDMKynnAM4VEABWAFqBUxJR0hUcghPTFg5MVNCQXoKCMSYARIEMTU5NhIKCAEQARgBKgJWUxgBIgQIARABKAIoAygEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Oct 3 - Sat, Oct 10 TRI Tri-Cities GLA Glasgow $894 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:TRI,to:GLA,departure:10/3/2026TANYT&leg2=from:GLA,to:TRI,departure:10/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:893.88&airProductToken=AQqjAQo0CNWCARIENTU0NxizRCCuHCikvZkDMJy-mQM4TEAAWAFqCEVDT0JBU0lDcghMTEk5MFVCUQo1CNWCARIEMTg1NhiuHCDEjQEol8WZAzCpxpkDOExAAVgBaghFQ09CQVNJQ3IITExJOTBVQlEKNAjVggESAzIzMBjEjQEg5gIokcqZAzCmzZkDOExAAVgBaghFQ09CQVNJQ3IITExJOTBVQlEKoQEKMwjMkAESAzk3MxjmAiClBCiUhZoDMIyGmgM4VEAAWAFqCEVDT0JBU0lDcghUTFY5MFVCUQo0CNWCARIEODgzNBilBCCuHCi4iJoDMPeMmgM4VEABWAFqCEVDT0JBU0lDcghUTFY5MFVCUQo0CNWCARIENjA0OBiuHCCzRCi4kpoDMKGTmgM4VEABWAFqCEVDT0JBU0lDcghUTFY5MFVCURIMCAEQARgBKgJVQTIAGAEiBAgBEAEoAigDKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Sep 5 - Tue, Sep 15 TRI Tri-Cities GLA Glasgow $896 Roundtrip found 5 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:TRI,to:GLA,departure:9/5/2026TANYT&leg2=from:GLA,to:TRI,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:895.53&airProductToken=AQqoAQoyCMGCARIENjA4ORizRCDimgEo-IGXAzDBgpcDOEJAAFgBagVCQVNJQ3IIT0xXOUM5QlYKMgjBggESAzczNBjimgEg64kBKMGElwMwpoiXAzhCQAFYAWoFQkFTSUNyCE9MVzlDOUJWCj4IwYIBEgQ3MTgyGOuJASDmAijripcDMLuLlwM4U0ABWAFqBUJBU0lDcghPTFc5QzlCVnoKCMKCARIEMTQ5MgqyAQo-CMGCARIENzE5NRjmAiDriQEox-uXAzCm7JcDOFFAAFgBagVCQVNJQ3IIT0xYOUM5QlZ6CgjCggESBDE0NzMKPQjBggESBDcwMTcY64kBIK4cKNrtlwMw5_GXAzhPQAFYAWoFQkFTSUNyCE9MWDlDOUJWegkIwoIBEgMyOTkKMQjBggESBDQyNDYYrhwgs0QokfSXAzCJ9ZcDOEJAAVgBagVCQVNJQ3IIT0xYOUM5QlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Sep 5 - Tue, Sep 15 TRI Tri-Cities GLA Glasgow $1,096 Roundtrip found 5 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:TRI,to:GLA,departure:9/5/2026TANYT&leg2=from:GLA,to:TRI,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:1095.43&airProductToken=AQq9AQo1CMSYARIEMTUwNxizRCDgXCix_5YDMPv_lgM4RUAAWAFqCU1BSU5CQVNJQ3IIVUxXMDZTQkEKQQjEmAESBDkzNzUY4FwggJMBKICElwMw_oeXAzhFQAFYAWoJTUFJTkJBU0lDcghVTFcwNlNCQXoJCMuYARIDNjIyCkEIxJgBEgQ5MjM5GICTASDmAiiZiZcDMPOJlwM4RUABWAFqCU1BSU5CQVNJQ3IIVUxXMDZTQkF6CQjLmAESAzk0MQqwAQpBCMSYARIEOTUzNBjmAiCAkwEorOqXAzCL65cDOEVAAFgBaglNQUlOQkFTSUNyCFZMWDkxU0JBegkIy5gBEgM5MzQKNAjEmAESAjc1GICTASDgXCio7ZcDMOzxlwM4RUABWAFqCU1BSU5CQVNJQ3IIVkxYOTFTQkEKNQjEmAESBDE1OTYY4Fwgs0Qo8POXAzC09JcDOEVAAVgBaglNQUlOQkFTSUNyCFZMWDkxU0JBEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![Air France](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AF.gif) Sat, Sep 5 - Tue, Sep 15 TRI Tri-Cities GLA Glasgow $1,136 Roundtrip found 5 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:TRI,to:GLA,departure:9/5/2026TANYT&leg2=from:GLA,to:TRI,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:1135.43&airProductToken=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) ## Frequently asked questions ### How much does a flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.) cost? ### What is the cheapest month to fly from Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.)? ### Which airlines fly direct from Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.)? ### What is the cheapest airline that flies from Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.)? ### How do I find cheap flights from Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.)? ### What is the best time to fly from Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.)? ### What is the earliest flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.)? ### What are the most popular departure times for flights from Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.)? ### How long does it take to fly from Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.)? ### Can you fly business or first class from Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.)? ### How do I earn miles on a Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.) flight with Expedia? ### What airports do you fly into for Glasgow from Tri-Cities Regional (TRI)? ### Is it cheaper to buy a plane ticket from Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.) at the last minute? ### Is it cheaper to book a Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.) flight and hotel package? ### Can I cancel or change the date of my flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Glasgow (GLA-Glasgow Intl.)? ## Travel information | Origin airport | Tri-Cities Regional | | ------------------- | -------------------------------- | | Destination airport | Glasgow Intl. | | Airlines serving | American Airlines, Delta, United | | Roundtrip price | $851 | | Distance | 3738 mi | ## Book with confidence # Tri-Cities to Glasgow Flights The cheapest times to fly from Tri-Cities to Glasgow 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 Tri-Cities to Glasgow are during the month of September. You can find some of the cheapest flights from Tri-Cities to Glasgow with Expedia's search tool and vast selection of airlines. The best time to book a flight from Tri-Cities to Glasgow Sunday is one of the best days to book for cheap flights from Tri-Cities to Glasgow: 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 Tri-Cities to Glasgow 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 Tri-Cities to Glasgow in 2026\. You can also book with separate airlines for your outbound and return journeys, from $298 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 Tri-Cities to Glasgow 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 Tri-Cities to Glasgow 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\. 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