Flash sale: Round-trip fares to Ireland for less than $400

Earlier this year, Aer Lingus announced that it would begin offering nonstop service between Dublin Airport (DUB) and Harry Reid International Airport (LAS) in Las Vegas on Oct. 25. The new route will be a seasonal offering, with the Dublin-based carrier flying to Vegas on a wide-body Airbus A330-300 three times weekly (Tuesday, Thursday and Saturday).

The new route marks the airline's 18th route to the U.S. from Dublin. It also marks the first time an airline has taken over the Sphere; the airline timed its Sphere appearance to coincide with the inaugural flight's arrival into LAS.

To celebrate Friday's inaugural flight to Sin City, Ireland's flagship carrier is making everyone a winner with a flash sale on all round-trip flights between the U.S. and Ireland. Flights go to DUB or Shannon Airport (SNN) in Shannon, Ireland.

Aer Lingus is offering round-trip economy fares for just $399 during the sale dates. (This sale is only valid for round-trip economy fares.)

Act fast if you want to hit this jackpot, as the booking window ends Oct. 26.

Deal basics

Airlines: Aer Lingus
Routes: From various U.S. destinations to Dublin and Shannon
How to book: Book directly with the airline
Travel dates: Nov. 1 to Dec. 16, 2024, and Jan. 7 to 31, 2025
Book by: Oct. 26, 2024, at 6:59 p.m. EDT

Click here to visit the flash sale page.

Sample flights

The following routes are included in this flash sale:

• Boston to Dublin
• Chicago to Dublin
• New York City to Dublin
• Cleveland to Dublin
• Los Angeles to Dublin
• San Francisco to Dublin
• Washington, D.C., to Dublin
• Seattle to Dublin
• Orlando to Dublin
• Hartford, Connecticut, to Dublin
• Newark to Dublin
• Philadelphia to Dublin
• Miami to Dublin
• Las Vegas to Dublin
• Boston to Shannon
• New York City to Shannon

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There are select dates and flights available for each route during the sale period. View them on the sale page.

During the sale period, a round-trip flight between Boston Logan International Airport (BOS) and DUB would cost $398.05, including taxes and fees.

Keep in mind that this ticket is for Aer Lingus' Saver Fare, which includes a carry-on bag and an inflight meal but does not include a checked bag or advance seat selection. For those perks, you would need to pay for the more expensive Smart Fare.

Outside the sale period, the same flight would cost at least $425 (but usually between $500 and $700 based on Google Flights search data).

Maximize your purchase

When you book this deal or any flights, be sure to use a credit card that earns bonus points on airfare purchases, such as:

• Chase Sapphire Preferred® Card (see rates and fees): 2 points per dollar spent on travel
• American Express® Gold Card: 3 points per dollar spent on airfare when booked directly with the airline or through amextravel.com
• The Platinum Card® from American Express: 5 points per dollar spent on airfare when booked directly with the airline or through American Express Travel® (on up to $500,000 of these purchases per calendar year, then 1 point per dollar)
• Chase Sapphire Reserve® (see rates and fees): 8 points per dollar on all Chase Travel℠ purchases and 4 points per dollar on flights booked directly through the airline

Bottom line

Aer Lingus is proving that what happens in Vegas doesn't stay in Vegas. It is celebrating its arrival in Nevada with a limited-time flash sale for travelers all over the U.S. If you want to get lucky with a $399 round-trip flight to Ireland, you need to book by Oct. 26, 2024.

Related reading:

• Here are the best current credit card welcome offers
• The best time to book flights for the cheapest airfare
• Best airline credit cards
• Maximize your airfare: The best credit cards for booking flights