Vuelos de Delta de Seattle (SEA) a Dallas (DFW) desde $119

For info on any present DFW Airport quarantine requirements and travel advice, visit our Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught up.

If you’re booked with Delta Air Lines from SEA to DFW, you should be able to find out the terminal information when you’re issued with your ticket. If not, check with your airline.

If you’re looking at flights with Delta Air Lines from Sea-Tac Airport to Dallas Airport, you’ll have to make a stopover. While you’re waiting for your connection, take the chance to pick up a snack or go for a wander.

Depending on good weather and no delays, your Delta Air Lines flight from SEA to DFW should take approximately 7 hours and 11 minutes. That means you’ve got enough time to order your favorite drink, get some shut-eye and check your travel itinerary before you disembark.

There are around 6 flights per day with Delta Air Lines from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW).

For more info about changing your flight to Dallas Airport, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.