Title: CA $51 Cheap Spirit Airlines fights from Boston to Detroit - Expedia.ca ![Detroit showing a city, a square or plaza and outdoor art](https://images.trvl-media.com/place/178255/90353297-2ee3-4668-84bf-f76c7fce8f7b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178255/90353297-2ee3-4668-84bf-f76c7fce8f7b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $51 Cheap Spirit Airlines fights from Boston (BOS) to Detroit (DTT) [View CA $51 flight on Tue, Oct 28, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:BOS,to:DTW,departure:28/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:50.52&airProductToken=AQowCi4IzpYBEgQyMTUxGMGTASDjtAEoqcb7AjCkx_sCOFdAAFgBagJSUHIGV0ExNFYyEgoIARABGAEqAk5LGAEiBAgBEAEoAigDKAQwDQ) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers 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 ![notification illustration](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\* ![deals illustration](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\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Spirit Airlines flights from Boston to Detroit (BOS→DTT) Prices were available within the past 7 days and start at CA $51 for one-way flights and CA $101 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Sat, Dec 6 - Sat, Dec 13 BOS Boston DTW Detroit CA $101 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:DTW,departure:06/12/2025TANYT&leg2=from:DTW,to:BOS,departure:13/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:100.92&airProductToken=AQowCi4IzpYBEgQxMzYzGMGTASDjtAEotP3-AjC3_v4COFdAAFgBagJSUHIGV0ExNFYyCjAKLgjOlgESBDEzNjQY47QBIMGTASi20_8CMKnU_wI4V0AAWAFqAlJQcgZXQTE0VjISCggBEAEYASoCTksYASIECAEQASgCKAMoBDAN) ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Sat, Nov 22 - Mon, Nov 24 BOS Boston DTW Detroit CA $118 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:DTW,departure:22/11/2025TANYT&leg2=from:DTW,to:BOS,departure:24/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:117.63&airProductToken=AQowCi4IzpYBEgQyMzI5GMGTASDjtAEoruf9AjCr6P0COFdAAFgBagJSUHIGV0ExNFYyCjAKLgjOlgESBDIzMjgY47QBIMGTASj0_P0CMPP9_QI4R0AAWAFqAlJQcgZHQTE0TlISCggBEAEYASoCTksYASIECAEQASgCKAMoBDAN) ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Thu, Oct 23 - Mon, Oct 27 BOS Boston DTW Detroit CA $134 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:DTW,departure:23/10/2025TANYT&leg2=from:DTW,to:BOS,departure:27/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:133.84&airProductToken=AQowCi4IzpYBEgQyMTUxGMGTASDjtAEoiY77AjCEj_sCOEdAAFgBagJSUHIGR0ExNE5SCjAKLgjOlgESBDIxNTIY47QBIMGTASiHwPsCMP7A-wI4R0AAWAFqAlJQcgZHQTE0TlISCggBEAEYASoCTksYASIECAEQASgCKAMoBDAN) ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Thu, Nov 6 - Mon, Nov 10 BOS Boston DTW Detroit CA $135 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:DTW,departure:06/11/2025TANYT&leg2=from:DTW,to:BOS,departure:10/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:134.57&airProductToken=AQowCi4IzpYBEgQyMzI5GMGTASDjtAEox7D8AjDEsfwCOEdAAFgBagJSUHIGR0ExNE5SCjAKLgjOlgESBDIzMjgY47QBIMGTASiW3PwCMJDd_AI4R0AAWAFqAlJQcgZHQTE0TlISCggBEAEYASoCTksYASIECAEQASgCKAMoBDAN) ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Sat, Dec 6 - Sat, Dec 13 BOS Boston DTW Detroit CA $137 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:DTW,departure:06/12/2025TANYT&leg2=from:DTW,to:BOS,departure:13/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:136.93&airProductToken=AQpeCi0IzpYBEgQyMDY4GMGTASDlWijz__4CMMOB_wI4V0AAWAFqAlJQcgZXQTE0VjIKLQjOlgESBDIwMTEY5Vog47QBKNGE_wIwhYb_AjhXQAFYAWoCUlByBldBMTRWMgowCi4IzpYBEgQxMzY0GOO0ASDBkwEottP_AjCp1P8COFdAAFgBagJSUHIGV0ExNFYyEgoIARABGAEqAk5LGAEiBAgBEAEoAigDKAQwDQ) ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Sat, Nov 15 - Sat, Nov 22 BOS Boston DTW Detroit CA $154 Roundtrip found 2 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:DTW,departure:15/11/2025TANYT&leg2=from:DTW,to:BOS,departure:22/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:153.93&airProductToken=AQpcCiwIzpYBEgMxMjYYwZMBIOVaKKSR_QIw9ZL9AjhXQABYAWoCUlByBldBMTRWMgosCM6WARIDMzgzGOVaIOO0ASivlf0CMOSW_QI4V0ABWAFqAlJQcgZXQTE0VjIKMAouCM6WARIEMjMyOBjjtAEgwZMBKPLl_QIw7eb9AjhHQABYAWoCUlByBkdBMTROUhIKCAEQARgBKgJOSxgBIgQIARABKAIoAygEMA0) Flight from Boston to Detroit (BOS - DTW) route information | Origin airport | Logan Intl. | | --- | --- | | Destination airport | Detroit Metropolitan Wayne County | | Distance | 1007 km | ## Explore a world of travel with Expedia \*Available to Expedia members.