$231 Cheap United flights from Springfield to Seattle (SGF to SEA)

Make sure you go to the Covid-19 Travel Advisor to learn if there are any current travel advice reports and quarantine requirements in place in SEA when flying in from Springfield-Branson National Airport.

Before you jet off from Springfield-Branson National Airport to Seattle - Tacoma Intl. Airport (SEA) with United Airlines, it might be a good idea to contact the airline for your terminal information. While your ticket should hold some of the relevant details, there’s no guarantee.

As you can’t fly direct from Springfield-Branson National Airport to Sea-Tac Airport with United Airlines, make the most of your layover. Order some drinks at an inviting airport bar, or explore the terminal and enjoy a little retail therapy.

Depending on no delays and good weather, your United Airlines flight from SGF to SEA will take approximately 5 hours and 25 minutes. You’ll have ample time to order a glass of wine, get some rest and fine tune your travel itinerary before touchdown.

There are 3 United Airlines flights every day from SGF to SEA.

For more info about changing your flight to 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.