Update: Some offers mentioned below are no longer available. View the current offers here.Airfare deals are typically only available on limited dates. We recommend that you use Google Flights to find dates to fly, then book through an online travel agency, such as Orbitz, which allows you to cancel flights without penalty by 11pm Eastern Time within one day of booking. Remember: Fares may disappear quickly, so book right away and take advantage of Orbitz’s courtesy cancellation if you’re unable to travel. Additionally, keep in mind that discounted partner fares may not earn miles with US-based carriers.Update: Per The Flight Deal, United is now offering similar fares from American Airlines hubs, with the lowest fares available from Philadelphia to Dublin for $302 round-trip. You can also fly to Dublin from Dallas, Miami, Phoenix or St. Louis from $522 round-trip. The Delta fares listed below are still available as well. Here’s an example of a United fare you can book:Delta is currently offering discounted fares on flights from several US cities to Dublin. We’re seeing fares as low as $316 for a round-trip flight from Washington, DC (DCA) to Dubin (DUB). If you live on the West Coast, you can book a round-trip flight from $376 from San Francisco (SFO). There are also flights from Denver, Houston and Cleveland, but they’re a few hundred dollars more. To find your flights, search on Google Flights and then head to Delta’s site to finish booking.Airline: DeltaRoute: US cities to Dublin (DUB)Cost: $316+ round-trip in economyDates: November 2016 - January 2017Fare Class: VMiles Earned: At least 7,360 elite-qualifying milesBooking Link: OrbitzPay With: American Express Premier Rewards Gold, Citi Prestige or Chase Sapphire PreferredHere are some examples of what you can book:Washington, DC (DCA) to Dublin (DUB) for $316 round-trip on Delta (earns 7,360 MQMs):Washington, DC (DCA) to Dublin (DUB) for $316 round-trip on Delta.San Francisco (SFO) to Dublin (DUB) for $376 round-trip on Delta (earns 11,532 MQMs):San Francisco (SFO) to Dublin (DUB) for $376 round-trip on Delta.Maximize Your PurchaseSign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.Don’t forget to use a credit card that earns additional points on airfare purchases, such as the American Express Premier Rewards Gold or Citi Prestige (3x on airfare) or the Chase Sapphire Preferred Card (2x on all travel purchases). Check out this post for more on maximizing airfare purchases.If you’re able to score one of these tickets, please share the good news in the comments below!