$427 Cheap United flights Milwaukee (MKE) to Shannon (SNN)

View $427 flight on Wed, Sep 10, 2025Opens in a new window

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$427 Cheap United flights Milwaukee (MKE) to Shannon (SNN)

Prices were available within the past 7 days and start at $427 for one-way flights and $701 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Sep 8 - Mon, Sep 22
MKE
Milwaukee
SNN
Shannon
$701 Roundtrip, found 1 hour ago
$701
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Sep 8 from Milwaukee to Shannon, returning Mon, Sep 22, priced at $701 found 1 hour ago
United
Mon, Sep 8 - Mon, Sep 15
MKE
Milwaukee
SNN
Shannon
$706 Roundtrip, found 5 hours ago
$706
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Sep 8 from Milwaukee to Shannon, returning Mon, Sep 15, priced at $706 found 5 hours ago
United
Mon, Sep 8 - Mon, Sep 15
MKE
Milwaukee
SNN
Shannon
$711 Roundtrip, found 5 hours ago
$711
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Sep 8 from Milwaukee to Shannon, returning Mon, Sep 15, priced at $711 found 5 hours ago
United
Mon, Sep 8 - Mon, Sep 15
MKE
Milwaukee
SNN
Shannon
$712 Roundtrip, found 5 hours ago
$712
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Sep 8 from Milwaukee to Shannon, returning Mon, Sep 15, priced at $712 found 5 hours ago
United
Tue, Sep 16 - Tue, Sep 23
MKE
Milwaukee
SNN
Shannon
$746 Roundtrip, found 3 hours ago
$746
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Sep 16 from Milwaukee to Shannon, returning Tue, Sep 23, priced at $746 found 3 hours ago
United
Tue, Sep 16 - Tue, Sep 23
MKE
Milwaukee
SNN
Shannon
$751 Roundtrip, found 3 hours ago
$751
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Sep 16 from Milwaukee to Shannon, returning Tue, Sep 23, priced at $751 found 3 hours ago
Flights from Milwaukee (MKE) to Shannon (SNN)
Origin airport
General Mitchell Intl.
Destination airport
Shannon
Airlines serving
American Airlines, British Airways, Delta, Lufthansa, United
Popular airline
British Airways
Distance
3536 mi

Frequently asked questions

How much is a United Airlines flight from General Mitchell Intl. Airport (MKE) to Shannon Airport (SNN)?
Grab cheap return United Airlines flights from $701 from MKE to SNN by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $427 for a one-way trip.**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 MKE to SNN with United Airlines?
Look for round-trip or one-way flights to Shannon in January or February. You could find a cheap fare with United Airlines during these off-peak months.
What is the cheapest time to book flights from General Mitchell Intl. Airport (MKE) to Shannon Airport (SNN) with United Airlines?
To find cheap flights from MKE to SNN with United Airlines, begin searching about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from General Mitchell Intl. Airport (MKE) to Shannon Airport (SNN)?
To find out if there's a direct journey from MKE to SNN with United Airlines or another carrier, select the "Nonstop" filter when searching for flights.
What is the earliest United Airlines flight from MKE to SNN?
Sort your results by "Early Morning" and "Morning" to see the earliest flights from MKE to SNN. Taking off early means you're 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Shannon?
Board a United Airlines flight from General Mitchell Intl. Airport (MKE) to Shannon, and you're most likely to arrive at Shannon Airport (SNN). This is the airline's main hub in this destination.
Why fly with United Airlines from MKE to SNN?
A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to depart from MKE to SNN with United Airlines. Plus, when you join Expedia's free One Key™ program, you can earn OneKeyCash™* alongside United Airlines's loyalty program earnings. It's yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from General Mitchell Intl. Airport (MKE) to Shannon Airport (SNN)?
It's usually possible to reschedule or cancel your flight, although additional charges may apply if you made your booking more than 24 hours ago. Want to keep your options open? Make use of our "No cancel fee" and "Changes included" filters to find flights that won't charge extra if you have to revise your plans. To modify your booking, head to "Trips," select your flight and click on "Manage Booking" for more details.

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