Vuelos de Frontier Airlines de Seattle (SEA) a Washington (DCA) desde $119

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

Once you’ve received the boarding pass for your flight from SEA to Ronald Reagan Washington National Airport (DCA), you should be able to see which terminals Frontier Airlines flies into and out of. If not, contact your airline or do some research online for that information.

You won’t be able to fly direct between Sea-Tac Airport and DCA with Frontier Airlines. Get ready to make a stopover if you need to stick to this particular airline and route.

Depending on good weather and no delays, your Frontier Airlines flight from SEA to DCA will take on average 6 hours and 9 minutes. That means you’ve got enough time to enjoy some refreshments, get some rest and look at your travel program before landing.

The path is well trodden from Seattle - Tacoma Intl. Airport (SEA) to National Airport. Frontier Airlines makes the journey between the two roughly 7 times every week.

For more info about changing your flight to Ronald Reagan Washington National Airport (DCA), 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.