$41 Cheap Flights from Baltimore (BWI) to Detroit (DTW)

View $41 flight on Thu, Oct 9, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW)

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Cheap Flights from Baltimore to Detroit (BWI-DTW)

Prices were available within the past 7 days and start at $41 for one-way flights and $77 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Aug 22 - Mon, Aug 25
BWI
Baltimore
DTW
Detroit
$77 Roundtrip, just found
$77
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Aug 22 from Baltimore to Detroit, returning Mon, Aug 25, priced at $77 just found
Frontier Airlines
Fri, Aug 8 - Thu, Aug 14
BWI
Baltimore
DTW
Detroit
$79 Roundtrip, found 21 hours ago
$79
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Fri, Aug 8 from Baltimore to Detroit, returning Thu, Aug 14, priced at $79 found 21 hours ago
Frontier Airlines
Sat, Aug 9 - Sat, Aug 16
BWI
Baltimore
DTW
Detroit
$80 Roundtrip, found 2 hours ago
$80
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Aug 9 from Baltimore to Detroit, returning Sat, Aug 16, priced at $80 found 2 hours ago
Frontier Airlines
Fri, Oct 10 - Mon, Oct 13
BWI
Baltimore
DTW
Detroit
$82 Roundtrip, found 3 hours ago
$82
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Oct 10 from Baltimore to Detroit, returning Mon, Oct 13, priced at $82 found 3 hours ago
Spirit Airlines
Thu, Oct 9 - Mon, Oct 13
BWI
Baltimore
DTW
Detroit
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Oct 9 from Baltimore to Detroit, returning Mon, Oct 13, priced at $82 just found
Frontier Airlines
Fri, Aug 8 - Thu, Aug 14
BWI
Baltimore
DTW
Detroit
$83 Roundtrip, found 21 hours ago
$83
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Fri, Aug 8 from Baltimore to Detroit, returning Thu, Aug 14, priced at $83 found 21 hours ago
Frontier Airlines
Thu, Aug 28 - Sun, Aug 31
BWI
Baltimore
DTW
Detroit
$84 Roundtrip, just found
$84
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Aug 28 from Baltimore to Detroit, returning Sun, Aug 31, priced at $84 just found
Frontier Airlines
Fri, Aug 29 - Mon, Sep 1
BWI
Baltimore
DTW
Detroit
$86 Roundtrip, just found
$86
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Aug 29 from Baltimore to Detroit, returning Mon, Sep 1, priced at $86 just found
Southwest Airlines
Fri, Sep 12 - Sun, Sep 14
BWI
Baltimore
DTW
Detroit
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Southwest Airlines flight, departing Fri, Sep 12 from Baltimore to Detroit, returning Sun, Sep 14, priced at $177 just found
United
Sat, Sep 20 - Tue, Sep 23
BWI
Baltimore
DTW
Detroit
$197 Roundtrip, found 1 hour ago
$197
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Sep 20 from Baltimore to Detroit, returning Tue, Sep 23, priced at $197 found 1 hour ago

Find the cheapest month to fly from Baltimore (BWI) to Detroit (DTW)

March is typically the cheapest month to fly

From $48 - $188 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 Windsor, ON YQG. Average driving time to city center is 15 minutes. Flights from $987
YQG
Windsor, ON
Average driving time to city center15 min
Flights from $987
Flights from Baltimore (BWI) to Detroit (DTW)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Detroit Metropolitan Wayne County
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$77
Distance
407 mi
Average flight time
1 hour 34 mins

Baltimore to Detroit Flights

The cheapest times to fly from Baltimore 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 Baltimore to Detroit are during the month of August. You can find some of the cheapest flights from Baltimore to Detroit with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Detroit

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to Detroit in 2025. You can also book with separate airlines for your outbound and return journeys, from $41 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 Baltimore 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 Baltimore 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 does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW) cost?
Cheap round-trip fares from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW) start at $60. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving BWI on August 2 2025 and touching down at DTW. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BWI to DTW?
The cheapest flights from BWI to DTW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW)?
Take the express route to Detroit Metropolitan Wayne County Airport (DTW). 3 airlines operate nonstop flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI), including:

  • Delta Air Lines
  • Southwest Airlines
  • Frontier Airlines

What is the cheapest airline that flies from BWI to DTW?
With fares starting at $29 for a one-way journey from BWI to DTW, Frontier Airlines is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BWI on August 2 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW)?
Each day, an average of 5 nonstop flights operate from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW). Choose the departure time that fits your schedule best.
What are the most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW)?
Flights between BWI and DTW are their busiest at 6 AM. If you want a quieter experience and potentially cheaper prices, look for a time outside the usual busy windows.
What day of the week has the most flights from BWI to DTW?
Friday offers the most flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW). Consider leaving on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW)?
The earliest flight leaving from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) is at around 6:00AM UTC-5. Board this plane and you'll arrive at Detroit Metropolitan Wayne County Airport (DTW) at approximately 7:51AM UTC-5. The entire trip takes 1h 51m.
How long does it take to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW)?
The average flight duration from BWI to DTW is 1 hour and 44 minutes, covering a distance of 410 mi.
What airline has the least delays from BWI to DTW?
Consider booking with Delta Air Lines if you'd like to go straight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW) without any interruptions. This carrier has the best track record for punctuality, with an on-time performance of 88%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW)?
To arrive at Detroit Metropolitan Wayne County Airport (DTW) without delays, choose a flight that leaves from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Detroit from Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Detroit Metropolitan Wayne County Airport (DTW) is the only airport in Detroit with direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Explore your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW) last-minute?
Last-minute fares from BWI to DTW are usually more expensive. For the lowest prices, start searching for flights well in advance. That being said, if you can play around with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book a BWI to DTW flight and hotel package?
Booking a BWI to DTW flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW)?
In most instances, you can cancel or modify your BWI to DTW flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more details, head to our Customer Service portal.

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