Title: $299 Cheap flights from Appleton to Wilmington (ATW to ILG) - Expedia.com ![Wilmington showing heritage elements](https://images.trvl-media.com/place/601746/518c17a9-55ae-41c9-a7da-e65194df470b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Darlene Perrone ![](https://images.trvl-media.com/place/601746/518c17a9-55ae-41c9-a7da-e65194df470b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $299 Cheap Flights from Appleton (ATW) to Wilmington (ILG) [View $299 flight on Fri, Apr 10, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:ATW,to:ILG,departure:4/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:298.67&airProductToken=AQqWAQoxCMGCARIENjQ1NxjgtAEgrhwolv-JAzDt_4kDOE5AAFgBagRNQUlOcghOVkFIWk5OMQovCMGCARIDNDcxGK4cIO9ZKJWBigMwmoKKAzhOQAFYAWoETUFJTnIITlZBSFpOTjEKMAjBggESBDY1OTUY71kg6DIozoKKAzCKg4oDOE5AAVgBagRNQUlOcghOVkFIWk5OMRIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) - [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 ## Popular airlines from Appleton, WI (ATW-Appleton Intl.) to Wilmington, DE (ILG-New Castle) - ![](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:ATW,to:ILG,departure:2/20/2026TANYT&leg2=from:ILG,to:ATW,departure:2/27/2026TANYT&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_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:ATW,to:ILG,departure:2/20/2026TANYT&leg2=from:ILG,to:ATW,departure:2/27/2026TANYT&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_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:ATW,to:ILG,departure:2/20/2026TANYT&leg2=from:ILG,to:ATW,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](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:ATW,to:ILG,departure:2/20/2026TANYT&leg2=from:ILG,to:ATW,departure:2/27/2026TANYT&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_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:ATW,to:ILG,departure:2/20/2026TANYT&leg2=from:ILG,to:ATW,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:ATW,to:ILG,departure:2/20/2026TANYT&leg2=from:ILG,to:ATW,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:ATW,to:ILG,departure:2/20/2026TANYT&leg2=from:ILG,to:ATW,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](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 Appleton to Wilmington (ATW-ILG) Prices were available within the past 7 days and start at $299 for one-way flights and $338 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) Tue, Apr 7 - Sat, Apr 18 ATW Appleton ILG Wilmington $338 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATW,to:ILG,departure:4/7/2026TANYT&leg2=from:ILG,to:ATW,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:337.85&airProductToken=AQpmCiEIwYIBEgQ2NDU3GOC0ASCuHCiy3YkDMIreiQM4T0AAWAEKHwjBggESAzQ3MRiuHCDvWSi134kDMLrgiQM4T0ABWAEKIAjBggESBDY1OTUY71kg6DIo7uCJAzCq4YkDOE9AAVgBCmcKIAjBggESBDY1NjIY6DIg71ko0tmKAzCO2ooDOE9AAFgBCiAIwYIBEgQxMzEyGO9ZIK4cKMzbigMw-9yKAzhPQAFYAQohCMGCARIEMzk2MRiuHCDgtAEotN2KAzD43YoDOE9AAVgBEgoIARABGAEqAkFBGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, May 16 - Sat, May 30 ATW Appleton ILG Wilmington $350 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATW,to:ILG,departure:5/16/2026TANYT&leg2=from:ILG,to:ATW,departure:5/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:349.92&airProductToken=AQpnCiEIwYIBEgQzNDQyGOC0ASCuHCjwko0DMMKTjQM4T0AAWAEKIAjBggESBDI4NDAYrhwg71kokZSNAzCVlY0DOE9AAVgBCiAIwYIBEgQ2NTY0GO9ZIOgyKN6VjQMwmpaNAzhPQAFYAQppCiAIwYIBEgQ2NTYxGOgyIO9ZKP2ujgMwua-OAzhPQABYAQohCMGCARIEMTE4MBjvWSDimgEo5q-OAzDXsI4DOE9AAVgBCiIIwYIBEgQzNTM1GOKaASDgtAEo9rGOAzCFs44DOE9AAVgBEgoIARABGAEqAkFBGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, Aug 11 - Thu, Aug 27 ATW Appleton ILG Wilmington $351 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATW,to:ILG,departure:8/11/2026TANYT&leg2=from:ILG,to:ATW,departure:8/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:350.92&airProductToken=AQpnCiEIwYIBEgQzNzIxGOC0ASCuHCi745QDMITklAM4T0AAWAEKIAjBggESBDE3MjUYrhwg71kovuSUAzC-5ZQDOE9AAVgBCiAIwYIBEgQ2NTYyGO9ZIOgyKKjnlAMw5OeUAzhPQAFYAQppCiAIwYIBEgQ2NTYxGOgyIO9ZKJ2YlgMw2ZiWAzhPQABYAQohCMGCARIEMTE4MBjvWSDimgEohpmWAzD3mZYDOE9AAVgBCiIIwYIBEgQzOTkxGOKaASDgtAEow5qWAzDLm5YDOE9AAVgBEgoIARABGAEqAkFBGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Aug 15 - Tue, Sep 1 ATW Appleton ILG Wilmington $373 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATW,to:ILG,departure:8/15/2026TANYT&leg2=from:ILG,to:ATW,departure:9/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:372.77&airProductToken=AQpnCiEIwYIBEgQzNzIxGOC0ASCuHCi7kJUDMISRlQM4UUAAWAEKIAjBggESBDE3MjUYrhwg71kovpGVAzC-kpUDOFFAAVgBCiAIwYIBEgQ2NTYyGO9ZIOgyKKiUlQMw5JSVAzhRQAFYAQpmCiAIwYIBEgQ2NTYxGOgyIO9ZKL3QlgMw-dCWAzhPQABYAQofCMGCARIDNDcxGO9ZIK4cKKjSlgMwxdOWAzhPQAFYAQohCMGCARIEMzM0MRiuHCDgtAEo3tSWAzCf1ZYDOE9AAVgBEgoIARABGAEqAkFBGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, May 16 - Wed, Jun 3 ATW Appleton ILG Wilmington $385 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATW,to:ILG,departure:5/16/2026TANYT&leg2=from:ILG,to:ATW,departure:6/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:384.86&airProductToken=AQpnCiEIwYIBEgQzNDQyGOC0ASCuHCjwko0DMMKTjQM4T0AAWAEKIAjBggESBDI4NDAYrhwg71kokZSNAzCVlY0DOE9AAVgBCiAIwYIBEgQ2NTY0GO9ZIOgyKN6VjQMwmpaNAzhPQAFYAQppCiAIwYIBEgQ2NTU4GOgyIO9ZKPbajgMwstuOAzhRQABYAQohCMGCARIEMTE4MBjvWSDimgEo5tyOAzDX3Y4DOFFAAVgBCiIIwYIBEgQzNTM1GOKaASDgtAEo9t6OAzCF4I4DOFFAAVgBEgoIARABGAEqAkFBGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Aug 12 - Thu, Aug 27 ATW Appleton ILG Wilmington $386 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATW,to:ILG,departure:8/12/2026TANYT&leg2=from:ILG,to:ATW,departure:8/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:385.85&airProductToken=AQpnCiEIwYIBEgQzNzIxGOC0ASCuHCjb7pQDMKTvlAM4UUAAWAEKIAjBggESBDE3MjUYrhwg71ko3u-UAzDe8JQDOFFAAVgBCiAIwYIBEgQ2NTYyGO9ZIOgyKMjylAMwhPOUAzhRQAFYAQppCiAIwYIBEgQ2NTYxGOgyIO9ZKJ2YlgMw2ZiWAzhPQABYAQohCMGCARIEMTE4MBjvWSDimgEohpmWAzD3mZYDOE9AAVgBCiIIwYIBEgQzOTkxGOKaASDgtAEow5qWAzDLm5YDOE9AAVgBEgoIARABGAEqAkFBGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sun, Sep 6 - Tue, Sep 22 ATW Appleton ILG Wilmington $393 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATW,to:ILG,departure:9/6/2026TANYT&leg2=from:ILG,to:ATW,departure:9/22/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:392.73&airProductToken=AQpnCiEIwYIBEgQzNzIxGOC0ASCuHCj7h5cDMMSIlwM4UUAAWAEKIAjBggESBDE3MjUYrhwg71ko_oiXAzD-iZcDOFFAAVgBCiAIwYIBEgQ2NTYyGO9ZIOgyKOiLlwMwpIyXAzhRQAFYAQpnCiAIwYIBEgQ2NTYxGOgyIO9ZKN28mAMwmb2YAzhPQABYAQogCMGCARIEMTAxMhjvWSCuHCjIvpgDMOW_mAM4T0ABWAEKIQjBggESBDMzNDEYrhwg4LQBKPTAmAMwrsGYAzhPQAFYARIKCAEQARgBKgJBQRgBIgQIARABKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Aug 12 - Sat, Aug 29 ATW Appleton ILG Wilmington $408 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATW,to:ILG,departure:8/12/2026TANYT&leg2=from:ILG,to:ATW,departure:8/29/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:407.70&airProductToken=AQpnCiEIwYIBEgQzNzIxGOC0ASCuHCjb7pQDMKTvlAM4UUAAWAEKIAjBggESBDE3MjUYrhwg71ko3u-UAzDe8JQDOFFAAVgBCiAIwYIBEgQ2NTYyGO9ZIOgyKMjylAMwhPOUAzhRQAFYAQpnCiAIwYIBEgQ2NTYyGOgyIO9ZKIOzlgMwv7OWAzhRQABYAQogCMGCARIEMjY3NRjvWSCuHCjws5YDMJu1lgM4UUABWAEKIQjBggESBDM3NzQYrhwg4LQBKMi1lgMwi7aWAzhRQAFYARIKCAEQARgBKgJBQRgBIgQIARABKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Aug 15 - Sun, Aug 30 ATW Appleton ILG Wilmington $428 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATW,to:ILG,departure:8/15/2026TANYT&leg2=from:ILG,to:ATW,departure:8/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:427.66&airProductToken=AQpnCiEIwYIBEgQzNzIxGOC0ASCuHCi7kJUDMISRlQM4UUAAWAEKIAjBggESBDE3MjUYrhwg71kovpGVAzC-kpUDOFFAAVgBCiAIwYIBEgQ2NTYyGO9ZIOgyKKiUlQMw5JSVAzhRQAFYAQpnCiAIwYIBEgQ2NTYyGOgyIO9ZKKO-lgMw376WAzhRQABYAQogCMGCARIEMjY3NRjvWSCuHCiQv5YDMLvAlgM4UUABWAEKIQjBggESBDM3NzQYrhwg4LQBKOjAlgMwq8GWAzhRQAFYARIKCAEQARgBKgJBQRgBIgQIARABKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Sep 5 - Tue, Sep 22 ATW Appleton ILG Wilmington $441 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATW,to:ILG,departure:9/5/2026TANYT&leg2=from:ILG,to:ATW,departure:9/22/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:440.64&airProductToken=AQpnCiEIwYIBEgQzMzM4GOC0ASCuHCi5_pYDMIP_lgM4TkAAWAEKIAjBggESBDI0NzIYrhwg71kogoCXAzCJgZcDOE5AAVgBCiAIwYIBEgQ2NTY0GO9ZIOgyKMeClwMwg4OXAzhOQAFYAQpnCiAIwYIBEgQ2NTYxGOgyIO9ZKN28mAMwmb2YAzhPQABYAQogCMGCARIEMTAxMhjvWSCuHCjIvpgDMOW_mAM4T0ABWAEKIQjBggESBDMzNDEYrhwg4LQBKPTAmAMwrsGYAzhPQAFYARIKCAEQARgBKgJBQRgBIgQIARABKAQwAQ) ## Alternative airports near Wilmington Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:ATW,to:PHL,departure:2/20/2026TANYT&leg2=from:PHL,to:ATW,departure:2/26/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) PHL Philadelphia Intl. Cheapest 28 min [Flights from $300 ](https://www.expedia.com/Flights-Search?leg1=from:ATW,to:PHL,departure:2/20/2026TANYT&leg2=from:PHL,to:ATW,departure:2/26/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) __Flights from Appleton (ATW) to Wilmington (ILG)__ | Origin airport | Appleton Intl. | | ------------------- | -------------- | | Destination airport | New Castle | | Roundtrip price | $338 | | Distance | 734 mi | ## Appleton to Wilmington Flights The cheapest times to fly from Appleton to Wilmington 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 Appleton to Wilmington are during the month of April. You can find some of the cheapest flights from Appleton to Wilmington with Expedia's search tool and vast selection of airlines. The best time to book a flight from Appleton to Wilmington Sunday is one of the best days to book for cheap flights from Appleton to Wilmington: 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 Appleton to Wilmington 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 Appleton to Wilmington in 2026\. You can also book with separate airlines for your outbound and return journeys, from $299 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 Appleton to Wilmington 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 Appleton to Wilmington 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.