Vuelos de American Airlines de Seattle (SEA) a Champaign (CMI) desde $251

For information on any current University Of Illinois Urbana-Champaign Williard Airport (CMI) travel advice and quarantine requirements, visit our Covid-19 Travel Advisor. Look before you book your flight, so you don’t get caught out.

Before you fly from SEA to CMI with American Airlines, it’s probably a good idea to get in touch with the airline for your terminal information. While your boarding pass should have some of the relevant details, we can’t guarantee it.

If you want to travel with American Airlines from Seattle - Tacoma Intl. Airport (SEA) to CMI, you’ll need to make at least one stopover. While waiting for your next flight, use the time to pick up a snack or stretch your legs.

Air traffic and weather permitting, your American Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Willard Airport will take an average of 6 hours and 5 minutes. That means you’ve got ample time to enjoy a meal, get some shut-eye and work on your itinerary before you hit the tarmac.

American Airlines currently offers about 2 flights each day from Sea-Tac Airport to University Of Illinois Urbana-Champaign Williard Airport (CMI).

For more info about changing your flight to Willard 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.