United Cheap Flights from Detroit to Shannon

View €419 flight on Tue, 1 Sept 2026Opens in a new window
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Prices were available within the past 7 days and start at €419 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

September is typically the cheapest month to fly

From €499 - €1,186 per traveller.

Frequently asked questions

How much is a United Airlines flight from Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN)?
Landing cheap one-way United Airlines flights from DTW to SNN from €419 on Expedia is easy — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DTW to SNN with United Airlines?
Look for round-trip or one-way flights to Shannon in January or February. You could find lower fares with United Airlines during these off-season months.
Does United Airlines fly nonstop from Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN)?
Click on our "Nonstop" filter when browsing for direct United Airlines flights from DTW to SNN. It's also a good way to compare other carriers offering the same nonstop route.
What airports does United Airlines fly into in Shannon?
Jump on a United Airlines flight from Detroit Metropolitan Wayne County Airport (DTW) to Shannon, and you'll most likely arrive at Shannon Airport (SNN). This is the airline's primary hub here.
Can I change or cancel my United Airlines flight from Detroit Metropolitan Wayne County Airport (DTW) to Shannon Airport (SNN)?
In most cases, you can cancel or reschedule your flight, although there may be a charge if you made your booking over 24 hours ago. Need flexible options? Apply the "Changes included" and "No cancel fee" filters to find flights that won't charge extra if you have to revise your plans. To make changes, visit "Trips," select your flight and click on "Manage Booking" for more information.

Travel information

Origin airport
Detroit Metropolitan Wayne County
Destination airport
Shannon
Distance
5425 km

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