$389 Cheap Flights from Dallas (DFW) to Shannon (SNN)

View $389 flight on Sat, Oct 18, 2025Opens in a new window

Popular airlines from Dallas-Fort Worth Intl. Airport (DFW) to Shannon Airport (SNN)

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Cheap Flights from Dallas to Shannon (DFW-SNN)

Prices were available within the past 7 days and start at $389 for one-way flights and $491 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Apr 8 - Thu, Apr 23
DFW
Dallas
SNN
Shannon
$491 Roundtrip, found 8 hours ago
$491
Roundtrip
found 8 hours ago
Select United flight, departing Wed, Apr 8 from Dallas to Shannon, returning Thu, Apr 23, priced at $491 found 8 hours ago
United
Wed, Apr 8 - Thu, Apr 23
DFW
Dallas
SNN
Shannon
$495 Roundtrip, found 8 hours ago
$495
Roundtrip
found 8 hours ago
Select United flight, departing Wed, Apr 8 from Dallas to Shannon, returning Thu, Apr 23, priced at $495 found 8 hours ago
United
Fri, Apr 3 - Thu, Apr 9
DFW
Dallas
SNN
Shannon
$544 Roundtrip, found 4 days ago
$544
Roundtrip
found 4 days ago
Select United flight, departing Fri, Apr 3 from Dallas to Shannon, returning Thu, Apr 9, priced at $544 found 4 days ago
United
Sat, Apr 4 - Sat, Apr 11
DFW
Dallas
SNN
Shannon
$555 Roundtrip, found 4 days ago
$555
Roundtrip
found 4 days ago
Select United flight, departing Sat, Apr 4 from Dallas to Shannon, returning Sat, Apr 11, priced at $555 found 4 days ago
United
Fri, Apr 3 - Fri, Apr 10
DFW
Dallas
SNN
Shannon
$567 Roundtrip, found 3 days ago
$567
Roundtrip
found 3 days ago
Select United flight, departing Fri, Apr 3 from Dallas to Shannon, returning Fri, Apr 10, priced at $567 found 3 days ago
United
Tue, Oct 7 - Tue, Oct 21
DFW
Dallas
SNN
Shannon
$569 Roundtrip, found 2 days ago
$569
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 7 from Dallas to Shannon, returning Tue, Oct 21, priced at $569 found 2 days ago
Lufthansa
Fri, Apr 3 - Sat, Apr 11
DFW
Dallas
SNN
Shannon
$614 Roundtrip, found 4 days ago
$614
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Fri, Apr 3 from Dallas to Shannon, returning Sat, Apr 11, priced at $614 found 4 days ago
Aer Lingus
Wed, Nov 26 - Fri, Dec 12
DFW
Dallas
SNN
Shannon
$678 Roundtrip, found 3 hours ago
$678
Roundtrip
found 3 hours ago
Select Aer Lingus flight, departing Wed, Nov 26 from Dallas to Shannon, returning Fri, Dec 12, priced at $678 found 3 hours ago
American Airlines
Wed, Apr 8 - Thu, Apr 23
DFW
Dallas
SNN
Shannon
$684 Roundtrip, found 8 hours ago
$684
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Apr 8 from Dallas to Shannon, returning Thu, Apr 23, priced at $684 found 8 hours ago
Air Canada
Wed, Oct 29 - Thu, Nov 6
DFW
Dallas
SNN
Shannon
$685 Roundtrip, found 3 days ago
$685
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Oct 29 from Dallas to Shannon, returning Thu, Nov 6, priced at $685 found 3 days ago

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 $838
SNN
Shannon Airport
CheapestClosest
Average driving time to city center7 min
Flights from $838
Flights from Dallas (DFW) to Shannon (SNN)
Origin airport
Dallas-Fort Worth Intl.
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, American Airlines, British Airways, JetBlue Airways, United
Roundtrip price
$490
Distance
4376 mi

Dallas to Shannon Flights

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

 

The best time to book a flight from Dallas to Shannon

Sunday is one of the best days to book for cheap flights from Dallas 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 Dallas 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 Dallas to Shannon in 2025. You can also book with separate airlines for your outbound and return journeys, from $389 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 Dallas 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 Dallas 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.

 

Frequently asked questions

How much does a flight from Dallas-Fort Worth Intl. Airport (DFW) to Shannon Airport (SNN) cost?
Lock in a cheap one-way flight from $389 or cheap return flight from $491 from Dallas-Fort Worth Intl. Airport (DFW) to Shannon Airport (SNN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Dallas-Fort Worth Intl. Airport (DFW) to Shannon Airport (SNN)?
Flying in April is a good way to save, as it's the cheapest month for flights between DFW and SNN. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Dallas-Fort Worth Intl. Airport (DFW) to Shannon Airport (SNN)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest DFW to SNN flight.
How many flights per day from Dallas-Fort Worth Intl. Airport (DFW) to Shannon Airport (SNN)?
You'll need to catch a flight with a layover if you're traveling from Dallas-Fort Worth Intl. Airport (DFW) to Shannon Airport (SNN). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from DFW to SNN?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dallas-Fort Worth Intl. Airport (DFW) to Shannon Airport (SNN)?
To avoid potential delays on the Dallas-Fort Worth Intl. Airport (DFW) to Shannon Airport (SNN) route, fly before 3 PM. Departures after this time are 22% more likely to be 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 Dallas-Fort Worth Intl. Airport (DFW) to Shannon Airport (SNN) last-minute?
Last-minute bookings from DFW to SNN are generally more expensive. To lock in the best prices, start searching for flights as early as possible. That said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a DFW to SNN flight and hotel package?
Compared with arranging flights and hotels separately, booking a DFW to SNN flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the hassle out of planning your trip. Just pick your flights and choose from our wide range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Dallas-Fort Worth Intl. Airport (DFW) to Shannon Airport (SNN)?
If you booked your DFW to SNN flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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*Available to One Key members.