$393 Cheap Flights from Detroit (DTW) to Shannon (SNN)

View $393 flight on Tue, Apr 21, 2026Opens in a new window

Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN)

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Cheap Flights from Detroit to Shannon (DTW-SNN)

Prices were available within the past 7 days and start at $393 for one-way flights and $574 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Apr 27 - Thu, May 14
DTW
Detroit
SNN
Shannon
$574 Roundtrip, found 12 hours ago
$574
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Apr 27 from Detroit to Shannon, returning Thu, May 14, priced at $574 found 12 hours ago
United
Mon, Apr 20 - Tue, Apr 28
DTW
Detroit
SNN
Shannon
$586 Roundtrip, found 5 hours ago
$586
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Apr 20 from Detroit to Shannon, returning Tue, Apr 28, priced at $586 found 5 hours ago
United
Mon, Apr 20 - Thu, Apr 30
DTW
Detroit
SNN
Shannon
$591 Roundtrip, found 5 hours ago
$591
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Apr 20 from Detroit to Shannon, returning Thu, Apr 30, priced at $591 found 5 hours ago
United
Mon, Apr 20 - Tue, May 12
DTW
Detroit
SNN
Shannon
$592 Roundtrip, found 5 days ago
$592
Roundtrip
found 5 days ago
Select United flight, departing Mon, Apr 20 from Detroit to Shannon, returning Tue, May 12, priced at $592 found 5 days ago
United
Mon, Apr 20 - Sat, May 9
DTW
Detroit
SNN
Shannon
$624 Roundtrip, found 5 hours ago
$624
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Apr 20 from Detroit to Shannon, returning Sat, May 9, priced at $624 found 5 hours ago
United
Sun, Apr 12 - Sat, Apr 25
DTW
Detroit
SNN
Shannon
$628 Roundtrip, found 12 hours ago
$628
Roundtrip
found 12 hours ago
Select United flight, departing Sun, Apr 12 from Detroit to Shannon, returning Sat, Apr 25, priced at $628 found 12 hours ago
Lufthansa
Fri, Apr 24 - Thu, May 14
DTW
Detroit
SNN
Shannon
$658 Roundtrip, found 12 hours ago
$658
Roundtrip
found 12 hours ago
Select Lufthansa flight, departing Fri, Apr 24 from Detroit to Shannon, returning Thu, May 14, priced at $658 found 12 hours ago
Air Canada
Sun, Dec 7 - Wed, Dec 24
DTW
Detroit
SNN
Shannon
$683 Roundtrip, found 5 hours ago
$683
Roundtrip
found 5 hours ago
Select Air Canada flight, departing Sun, Dec 7 from Detroit to Shannon, returning Wed, Dec 24, priced at $683 found 5 hours ago
American Airlines
Wed, Feb 4 - Wed, Feb 11
DTW
Detroit
SNN
Shannon
$731 Roundtrip, found 1 day ago
$731
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Feb 4 from Detroit to Shannon, returning Wed, Feb 11, priced at $731 found 1 day ago
British Airways
Wed, Feb 4 - Wed, Feb 11
DTW
Detroit
SNN
Shannon
$736 Roundtrip, found 1 day ago
$736
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Feb 4 from Detroit to Shannon, returning Wed, Feb 11, priced at $736 found 1 day ago

Find the cheapest month to fly from Detroit (DTW) to Shannon (SNN)

September is typically the cheapest month to fly

From $600 - $1,392 per traveler.

Alternative airports near Shannon

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

Select flight to Shannon Airport SNN. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $681
SNN
Shannon Airport
CheapestClosest
Average driving time to city center7 min
Flights from $681

Frequently asked questions

How much does a flight from Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN) cost?
Secure a cheap one-way flight from $393 or cheap return flight from $574 from Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN)?
Planning your trip for April is a good way to save, as it's the cheapest month for flights between DTW and SNN. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest DTW to SNN flight.
How many flights per day from Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN)?
Nonstop flights from Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DTW to SNN?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN)?
To avoid potential delays on the Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**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.
Is it cheaper to buy a plane ticket from Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN) last-minute?
Last-minute fares from DTW to SNN are usually more expensive. For the lowest rates, start looking for flights ahead of time. That being said, if your travel plans are flexible, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a DTW to SNN flight and hotel package?
Booking a DTW to SNN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN)?
Typically, it's possible to reschedule or cancel your DTW to SNN flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Detroit Metropolitan Wayne County
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, American Airlines, British Airways, Delta, JetBlue Airways, KLM, Lufthansa, United
Roundtrip price
$573
Distance
3390 mi

Book with confidence

Detroit to Shannon Flights

The cheapest times to fly from Detroit to Shannon

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

 

The best time to book a flight from Detroit to Shannon

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

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 Detroit to Shannon in 2025. You can also book with separate airlines for your outbound and return journeys, from $393 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 Detroit to Shannon 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 Detroit to Shannon 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.

 

Detroit to Shannon Flights

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