Published September 9, 2026 by

Cheap Flights: Dallas to London $599-$613 or Dublin $426-446 round-trip [Sep-May / Oct-Dec, Feb-May] (No Holidays) – Delta / KLM / Virgin Atlantic

[09/09/2026 @ 10:48 AM CT] Deal time-stamp.
[2026-09-09 15:04:00 CT] This price is still available, but the original date ranges may have shifted. We have updated the example date links in this post to reflect those changes. Expect prices to fluctuate by about +/- 10%.

Deals are usually valid 24 to 72 hours after posting, but can expire at any time (see time-stamp).

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Delta, KLM, and Virgin Atlantic have round-trip flights from Dallas (DFW) to London or Dublin (LHR, DUB) for $426-$613 with a connection. 7-day minimum stay required. Holiday blackouts. Departures on Monday, Tuesday, Wednesday, and Sunday

  • London: Flights September to May.
  • Dublin: Flights October to December and also February to May.

Skyteam is responding to the Oneworld European fare sale that started yesterday. These were not on the original fare list I sent out, so I’m covering them here in a separate deal card.

Delta allows one carry-on bag and one personal item for free. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.

If you travel on Delta often, consider getting their credit card. Most of their cards allow for a free checked bag perk and a 15% discount on points redemptions.

You can usually save more money by booking your flight+hotel together as a package instead of separately.

We post new flight deals often! You can check out our other deals by returning to the Front Page of our website: cheapdfw.com (linked).

Here are some other offers that we think are worth mentioning. List updated 04/21/2026.

We now track coupon codes, discount codes, gift card discounts, and credit card offers that have a better value than their historical averages.


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Use the example date links on our website to pull up the fare.

London, United Kingdom fares: [2026-09-09 15:04:00 CT] This price is still available, but the original date ranges may have shifted. We have updated the example date links in this post to reflect those changes. Expect prices to fluctuate by about +/- 10%.

Dublin fares:

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  • Tips: Different booking websites will often have differing routes, prices, and availability. Before you finalize your purchase, do a quick check on Expedia, Skyscanner, and Kayak to see if any other site or airline is offering a better deal.


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Ren P. Artemio

Ren P. Artemio

Ren is the Chief Director of Nap Times at Escape Houston, Escape ATX, Cheap DFW, and Escape Flights. He really likes researching airfare and the travel industry, especially when it means getting a cheap flight to anywhere (he's not picky).

Airfare Deals Delta KLM London SkyTeam United Kingdom Virgin Atlantic