$40 Cheap Flights from Boston (BOS) to Detroit (DTT)

View $40 flight on Tue, Sep 16, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Detroit

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Cheap Flights from Boston to Detroit (BOS-DTT)

Prices were available within the past 7 days and start at $40 for one-way flights and $80 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Sep 16 - Sat, Sep 20
BOS
Boston
DTW
Detroit
$80 Roundtrip, just found
$80
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, Sep 16 from Boston to Detroit, returning Sat, Sep 20, priced at $80 just found
Spirit Airlines
Mon, Sep 8 - Wed, Sep 17
BOS
Boston
DTW
Detroit
$90 Roundtrip, just found
$90
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Sep 8 from Boston to Detroit, returning Wed, Sep 17, priced at $90 just found
Spirit Airlines
Fri, Oct 3 - Sun, Oct 5
BOS
Boston
DTW
Detroit
$100 Roundtrip, just found
$100
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Oct 3 from Boston to Detroit, returning Sun, Oct 5, priced at $100 just found
Spirit Airlines
Tue, Sep 16 - Sat, Sep 20
BOS
Boston
DTW
Detroit
$106 Roundtrip, just found
$106
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, Sep 16 from Boston to Detroit, returning Sat, Sep 20, priced at $106 just found
Spirit Airlines
Mon, Sep 8 - Wed, Sep 17
BOS
Boston
DTW
Detroit
$116 Roundtrip, just found
$116
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Sep 8 from Boston to Detroit, returning Wed, Sep 17, priced at $116 just found
Spirit Airlines
Tue, Sep 30 - Wed, Oct 8
BOS
Boston
DTW
Detroit
$120 Roundtrip, found 20 hours ago
$120
Roundtrip
found 20 hours ago
Select Spirit Airlines flight, departing Tue, Sep 30 from Boston to Detroit, returning Wed, Oct 8, priced at $120 found 20 hours ago
Southwest Airlines
Wed, Sep 24 - Tue, Sep 30
BOS
Boston
DTW
Detroit
$134 Roundtrip, just found
$134
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Sep 24 from Boston to Detroit, returning Tue, Sep 30, priced at $134 just found
United
Wed, Sep 10 - Tue, Sep 16
BOS
Boston
DTW
Detroit
$137 Roundtrip, just found
$137
Roundtrip
just found
Select United flight, departing Wed, Sep 10 from Boston to Detroit, returning Tue, Sep 16, priced at $137 just found
Frontier Airlines
Sat, Sep 6 - Sat, Sep 13
BOS
Boston
DTW
Detroit
$146 Roundtrip, just found
$146
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Sep 6 from Boston to Detroit, returning Sat, Sep 13, priced at $146 just found
Delta
Fri, Sep 5 - Sun, Sep 7
BOS
Boston
DTW
Detroit
$197 Roundtrip, just found
$197
Roundtrip
just found
Select Delta flight, departing Fri, Sep 5 from Boston to Detroit, returning Sun, Sep 7, priced at $197 just found

Find the cheapest month to fly from Boston (BOS) to Detroit (DTT)

April is typically the cheapest month to fly

From $48 - $220 per traveler.

Graph displaying average flight prices per month

Alternative airports near Detroit

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Detroit Metropolitan Wayne County DTW. Cheapest option available. Average driving time to city center is 26 minutes. Flights from $166
DTW
Detroit Metropolitan Wayne County
Cheapest
Average driving time to city center26 min
Flights from $166
Select flight to Bishop Intl. FNT. Average driving time to city center is 1 hour 6 minutes. Flights from $317
FNT
Bishop Intl.
Average driving time to city center1 h 6 min
Flights from $317
Flights from Boston (BOS) to Detroit (DTW)
Origin airport
Logan Intl.
Destination airport
Detroit Metropolitan Wayne County
Roundtrip price
$80
Distance
629 mi

Boston to Detroit Flights

The cheapest times to fly from Boston to Detroit

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 Boston to Detroit are during the month of September. You can find some of the cheapest flights from Boston to Detroit with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Detroit

Sunday is one of the best days to book for cheap flights from Boston to Detroit: 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 Boston to Detroit

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 Boston to Detroit in 2025. You can also book with separate airlines for your outbound and return journeys, from $40 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 Boston to Detroit 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. Bundling together your Boston to Detroit 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.

 

Frequently asked questions

How much is a flight from Logan Intl. Airport (BOS) to Detroit, MI (DTT-All Airports)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight between Logan Intl. Airport and Detroit, MI (DTT-All Airports) was $80. Cheap fares don't last forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOS to Detroit, MI (DTT-All Airports)?
We understand that things come up unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from BOS to Detroit, MI (DTT-All Airports) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Logan Intl. Airport (BOS) to Detroit, MI (DTT-All Airports) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from BOS to Detroit, MI (DTT-All Airports)?
You won't have time for a movie marathon on this flight — it's just 622 mi from Boston to Michigan. Find your way to your seat, order a drink and you'll be touching down in next to no time.
Which airlines fly direct from BOS to Detroit, MI (DTT-All Airports)?
Delta Air Lines (DL) is the preferred option for many travelers. It operates 147 flights between Logan Intl. Airport (BOS) and Detroit, MI (DTT-All Airports) each month. You could also have a look at ticket prices with JetBlue Airways (B6). It operates 91 flights every month between Boston and Michigan.
Are BOS to Detroit, MI (DTT-All Airports) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Logan Intl. Airport to Detroit, MI (DTT-All Airports) can be hit-or-miss. It is possible to find a bargain, but then again, you could miss out altogether! If you'd rather play it safe and start your travel planning early, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines list their prices that far in advance. Our top tip? Check back often as prices are updated regularly.

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*Available to One Key members.