$101 Cheap Delta flights from Sun Valley to Seattle (SUN to SEA)

Make sure you go to the Covid-19 Travel Advisor to find out if there are any current quarantine requirements or travel advice reports in effect in Sea-Tac Airport when flying in from Friedman Memorial Airport.

The information printed on boarding passes can differ between airlines. If you’re flying from SUN to Seattle - Tacoma Intl. Airport (SEA) with Delta Air Lines and you can’t locate your terminal details, get in touch with the airline.

Delta Air Lines doesn’t have direct flights between SUN and Sea-Tac Airport, so plan on making a stopover. If you have enough time between flights, browse the airport shops while waiting for your connection.

Bad weather, tailwinds, headwinds … They’re just a few factors that can affect how long you spend in your seat. However, a flight from Friedman Memorial Airport (SUN) to Sea-Tac Airport with Delta Air Lines takes about 3 hours and 23 minutes, so you’ll have touched down and be in vacay mode in a heartbeat.

If you’re planning a journey from SUN to SEA, you can pick from roughly 2 Delta Air Lines flights per day.

For more info about changing your flight to Seattle - Tacoma Intl. Airport (SEA), 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.