Vuelos de Alaska Airlines de Seattle (SEA) a Detroit (DTW) desde $139

It’s wise to know about any travel advice reports and quarantine requirements in effect in your destination. Ensure you check out our Covid-19 Travel Advisor for up-to-date info on booking a flight to DTW.

If you’re flying from Sea-Tac Airport to Detroit Metropolitan Wayne County Airport (DTW), you’ll most likely be getting off the plane at terminal N. We can’t say for certain which terminal you’ll be taking off from — it’s wise to check with your airline.

With Alaska Airlines offering nonstop flights between Sea-Tac Airport and DTW, your next grand adventure is a single flight away. Say goodbye to the hassle, inconvenience and baggage diversions that often come with layovers, and reserve your seat today.

Air traffic and weather permitting, your Alaska Airlines flight from SEA to DTW should take roughly 5 hours and 2 minutes. That means you’ve got enough time to enjoy a meal, get some rest and look at your travel itinerary before you hit the tarmac.

Locked in a seat with Alaska Airlines? You’re likely to be taking a ride aboard the Boeing 737-900 on the SEA to DTW flight route.

Alaska Airlines operates around 2 flights every day from Seattle - Tacoma Intl. Airport (SEA) to Detroit Metro Airport.

For more info about changing your flight to Detroit Metropolitan Wayne County Airport (DTW), 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.