Title: $23 Cheap Flights to Williamstown - Expedia.com ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.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) # $23 Cheap Flights to Williamstown [View $23 flight on Wed, Feb 18, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:LTN,to:NOC,departure:2/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:22.63&airProductToken=AQoxCi8IxqQBEgQ4MTQyGOtsIM0TKJO8hQMw7byFAzigQEAAWAFqBUJhc2ljcgVCQVNJQxIKCAEQARgBKgJGUhgBIgQIARABKAIoAzAN) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers 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 [Williamstown Travel Guide](https://expedia.com/Williamstown.dx6174853)[Hotels in Williamstown](https://expedia.com/Williamstown-Hotels.d6174853.Travel-Guide-Hotels)[Car Rentals in Williamstown](https://expedia.com/Car-Rentals-In-Williamstown.d6174853.Car-Rental-Guide)[Williamstown Vacation Packages](https://expedia.com/Williamstown.d6174853.Destination-Travel-Guides) ## Popular airlines to Williamstown - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Williamstown, County Galway, Ireland,departure:2/24/2026TANYT&leg2=from:Williamstown, County Galway, Ireland,to:CMH,departure:3/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EI.svg) Aer Lingus [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Williamstown, County Galway, Ireland,departure:2/24/2026TANYT&leg2=from:Williamstown, County Galway, Ireland,to:CMH,departure:3/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EI"}}]) - ![](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:CMH,to:Williamstown, County Galway, Ireland,departure:2/24/2026TANYT&leg2=from:Williamstown, County Galway, Ireland,to:CMH,departure:3/3/2026TANYT&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_AC.svg) Air Canada [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Williamstown, County Galway, Ireland,departure:2/24/2026TANYT&leg2=from:Williamstown, County Galway, Ireland,to:CMH,departure:3/3/2026TANYT&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_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Williamstown, County Galway, Ireland,departure:2/24/2026TANYT&leg2=from:Williamstown, County Galway, Ireland,to:CMH,departure:3/3/2026TANYT&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_FR.svg) Ryanair [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Williamstown, County Galway, Ireland,departure:2/24/2026TANYT&leg2=from:Williamstown, County Galway, Ireland,to:CMH,departure:3/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![](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:CMH,to:Williamstown, County Galway, Ireland,departure:2/24/2026TANYT&leg2=from:Williamstown, County Galway, Ireland,to:CMH,departure:3/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](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) ## How much is the cheapest flight to Williamstown? Prices were available within the past 7 days and start at $23 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Ryanair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/FR.gif) Sat, Mar 21 - Mon, Mar 23 LTN London NOC Knock $43 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LTN,to:NOC,departure:3/21/2026TANYT&leg2=from:NOC,to:LTN,departure:3/23/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:42.63&airProductToken=AQoxCi8IxqQBEgQ4MTQyGOtsIM0TKJCbiAMw6puIAzigQEAAWAFqBUJhc2ljcgVCQVNJQwoxCi8IxqQBEgQ4MTQzGM0TIOtsKMGxiAMwm7KIAzigQEAAWAFqBUJhc2ljcgVCQVNJQxIKCAEQARgBKgJGUhgBIgQIARABKAIoAygEMA0) ![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif) Thu, Feb 26 - Mon, Mar 2 LHR London NOC Knock $133 Roundtrip found 12 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LHR,to:NOC,departure:2/26/2026TANYT&leg2=from:NOC,to:LHR,departure:3/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:132.81&airProductToken=AQowCi4IxZIBEgM5MTUY64kBIM0TKO-XhgMwyZiGAzhBQABYAWoGTE9XX1NIcgRBUks3CjAKLgjFkgESAzkxNhjNEyDriQEo7MWGAzDGxoYDOEFAAFgBagZMT1dfU0hyBEFSSzcSCggBEAEYASoCRUkYASIECAEQASgCKAMoBDAN) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Fri, Mar 13 - Sun, Mar 15 LHR London NOC Knock $302 Roundtrip found 8 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LHR,to:NOC,departure:3/13/2026TANYT&leg2=from:NOC,to:LHR,departure:3/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:301.70&airProductToken=AQo6CjgIwoIBEgQ1OTg5GOuJASDNEyjPwIcDMKnBhwM4T0AAWAFqA0JBR3IET0VJS3oKCMWSARIENTk4OQo6CjgIwoIBEgQ1OTg4GM0TIOuJASiM2IcDMObYhwM4T0AAWAFqA0JBR3IET0VJS3oKCMWSARIENTk4OBIKCAEQARgBKgJCQRgBIgQIARABKAIoAzAN) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Mar 12 - Tue, Mar 17 EWR New York NOC Knock $603 Roundtrip found 2 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:EWR,to:NOC,departure:3/12/2026TANYT&leg2=from:NOC,to:EWR,departure:3/17/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:602.33&airProductToken=AQprCjQI1YIBEgMxMjIYxI0BIOuJASjytocDMKC6hwM4TEAAWAFqB0VDT05PTVlyCExMQTc2VE5WCjMIxZIBEgM5MTUY64kBIM0TKM_AhwMwqcGHAzhQQAFYAWoHRUNPTk9NWXIITExBNzZUTlYKawozCMWSARIDOTE2GM0TIOuJASjM7ocDMKbvhwM4R0AAWAFqB0VDT05PTVlyCExMQTA2RE5WCjQI1YIBEgM5MDUY64kBIMSNASiG-IcDMOb7hwM4TEABWAFqB0VDT05PTVlyCExMQTA2RE5WEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Wed, Feb 11 - Sun, Feb 15 BOS Boston NOC Knock $603 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:NOC,departure:2/11/2026TANYT&leg2=from:NOC,to:BOS,departure:2/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:602.73&airProductToken=AQqlAQo2CMGGARIEMjU2MhjBkwEg-MkBKIz1hAMw8_WEAzhMQABYAWoIU1RBTkRBUkRyCExMQTA2RE5DCjUIwYYBEgM4NjgY-MkBIOuJASiQ_IQDMPP-hAM4TEABWAFqCFNUQU5EQVJEcghMTEEwNkROQwo0CMWSARIDOTE1GOuJASDNEyjPhYUDMKmGhQM4TkABWAFqCFNUQU5EQVJEcghMTEEwNkROQwqlAQo0CMWSARIDOTE2GM0TIOuJASiMnYUDMOadhQM4TkAAWAFqCFNUQU5EQVJEcghMTEEwNkROQwo1CMGGARIDODY5GOuJASD4yQEovKaFAzDbqYUDOExAAVgBaghTVEFOREFSRHIITExBMDZETkMKNgjBhgESBDI1NjMY-MkBIMGTASiCrIUDMPqshQM4TEABWAFqCFNUQU5EQVJEcghMTEEwNkROQxIKCAIQARgCKgJBQxgBIgQIARABKAIoAygEMAE) ## Find the cheapest month to fly from Columbus (CMH) to Shannon (SNN) ### April is typically the cheapest month to fly From $554 - $1,658 per traveler. ## Tips to find the cheapest flights to Williamstown **The cheapest day to fly** Get started finding a cheap flight to Williamstown on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you. **The cheapest month to fly** March is the cheapest month to fly to Williamstown. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Williamstown. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute. **The most affordable time to book a flight** Typically, a Sunday can be the cheapest time to book a flight to Williamstown, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation. **The cheapest round-trip tickets to Williamstown** The lowest price for round-trip flights to Williamstown in 2026 starts from from $43, while one-way tickets start from from $23\. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Williamstown. If you have a preferred departure time or airline, you can use the handy filters to customize your search. **The cheapest airlines flying to Williamstown** Ryanair, Aer Lingus, British Airways, Air Canada, Iberia, United are just some of the airlines that can typically offer cheap tickets to Williamstown. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Williamstown and countless more destinations worldwide. **The most affordable airports to fly into** To view the cheapest airports to fly into for Williamstown, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Williamstown. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia. **Save with a package** With Expedia's amazing [package deals](https://www.expedia.com/package-deals), you could save hundreds of dollars by booking your Williamstown plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving. **Date flexibility for the cheapest flights to Williamstown** If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Williamstown. **Stopover savings** The cheapest tickets to Williamstown are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Williamstown. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved. **Get Expedia's Price Drop Protection** Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference\*. This gives you peace of mind that you're getting one of the cheapest flights to Williamstown for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members. \*Terms apply. **Use our Price Tracking feature** Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Williamstown. Simply download the free Expedia app to your smart device and activate Williamstown flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices. **Book with Expedia** As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Williamstown. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. ## Frequently asked questions ### What month is the cheapest to fly to Williamstown? ### Which US cities fly direct to Williamstown? ### How to find a cheap flight to Williamstown? ### How to get a cheap last-minute flight to Williamstown? ### How far in advance should I book a flight to Williamstown? ### Which day of the week is the cheapest day to buy a plane ticket to Williamstown? ### Where do you fly into Williamstown? ### How far is the airport from central Williamstown? ### Can I save money by booking a Williamstown trip package? ### Can I change or cancel my flight to Williamstown? \*Flight schedules are subject to change. __Flights to Williamstown information__ | Destination airport | Ireland West | | ----------------------------- | ------------ | | Destination airport IATA code | NOC | | Destination city name | Knock | | Roundtrip price | $43 | ## Trending flights to Williamstown Prices were available within the past 7 days and start at $23 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Mar 12 - Tue, Mar 17 EWR New York NOC Knock $603 Roundtrip found 2 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:EWR,to:NOC,departure:3/12/2026TANYT&leg2=from:NOC,to:EWR,departure:3/17/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:602.33&airProductToken=AQprCjQI1YIBEgMxMjIYxI0BIOuJASjytocDMKC6hwM4TEAAWAFqB0VDT05PTVlyCExMQTc2VE5WCjMIxZIBEgM5MTUY64kBIM0TKM_AhwMwqcGHAzhQQAFYAWoHRUNPTk9NWXIITExBNzZUTlYKawozCMWSARIDOTE2GM0TIOuJASjM7ocDMKbvhwM4R0AAWAFqB0VDT05PTVlyCExMQTA2RE5WCjQI1YIBEgM5MDUY64kBIMSNASiG-IcDMOb7hwM4TEABWAFqB0VDT05PTVlyCExMQTA2RE5WEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - [Glenamaddy Hotels ](https://www.expedia.com/Glenamaddy-Hotels.d553248635939551799.Travel-Guide-Hotels) - [Vacation Homes in Dunmore ](https://www.expedia.com/Dunmore-Private-Vacation-Homes.d6336498-aaPrivateVacationHomes.Travel-Guide-Accommodation) - [5 Star Hotels in Dunmore ](https://www.expedia.com/5Star-Dunmore-Hotels.s50-0-d6336498.Travel-Guide-Filter-Hotels) - [3 Star Hotels in Moneenally ](https://www.expedia.com/3Star-Moneenally-Hotels.s30-0-d792304134952947712.Travel-Guide-Filter-Hotels) - [Ballymoe Hotels ](https://www.expedia.com/Ballymoe-Hotels.d553248635939574916.Travel-Guide-Hotels) - [Dunmore Hotels ](https://www.expedia.com/Dunmore-Hotels.d6336498.Travel-Guide-Hotels) - [Flights to Dunmore ](https://www.expedia.com/Cheap-Flights-To-Dunmore.d6336498.Travel-Guide-Flights) - [Visit Dunmore ](https://www.expedia.com/Dunmore.dx6336498) - [Car rentals near Ballymoe ](https://www.expedia.com/Car-Rentals-In-Ballymoe.d553248635939574916.Car-Rental-Guide) - [Car rentals near Dunmore ](https://www.expedia.com/Car-Rentals-In-Dunmore.d6336498.Car-Rental-Guide) - [Car rentals near Glenamaddy ](https://www.expedia.com/Car-Rentals-In-Glenamaddy.d553248635939551799.Car-Rental-Guide) \*Available to One Key members.