$148 Cheap Frontier Airlines flights New Orleans (MSY) to Seattle (SEA)

View $148 flight on Sun, Jul 13, 2025Opens in a new window

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$148 Cheap Frontier Airlines flights New Orleans (MSY) to Seattle (SEA)

Prices were available within the past 7 days and start at $148 for one-way flights and $336 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Aug 7 - Thu, Aug 14
MSY
New Orleans
SEA
Seattle
$336 Roundtrip, found 11 hours ago
$336
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Thu, Aug 7 from New Orleans to Seattle, returning Thu, Aug 14, priced at $336 found 11 hours ago
Flights from New Orleans (MSY) to Seattle (SEA)
Origin airport
Louis Armstrong New Orleans Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
2083 mi
Average flight time
3 hours 4 mins

Frequently asked questions

How much is a Frontier Airlines flight from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA)?
Grab cheap round-trip Frontier Airlines flights from $336 from MSY to SEA by organizing your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $148 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from MSY to SEA with Frontier Airlines?
Frontier Airlines flights to Seattle are generally cheaper in the quieter months of January and February. Whether you're in search of a return or one-way ticket, you could find a better deal then.
What is the cheapest time to book flights from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA) with Frontier Airlines?
Look for affordable Frontier Airlines flights from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA) one to three months ahead of your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA)?
Click on our "Nonstop" filter when looking for direct Frontier Airlines flights from MSY to SEA. You'll also be able to compare other airlines servicing the same direct trip.
What is the earliest Frontier Airlines flight from MSY to SEA?
Find Frontier Airlines's earliest flights from MSY to SEA by using our "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in Seattle?
Take a Frontier Airlines flight from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle, and you'll probably arrive at Seattle - Tacoma Intl. Airport (SEA). This is the airline's primary hub here.
Why fly with Frontier Airlines from MSY to SEA?
A rewarding loyalty program and the chance to rack up points through Frontier Miles are the start of the reasons to travel from MSY to SEA with Frontier Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* alongside any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Frontier Airlines flight from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA)?
Changes are generally free within 24 hours of booking, but your airline may add a charge after that. For more information about modifying your flights, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to update your itinerary without additional costs, check the "No cancel fee" or "Changes included" filter when organizing your next adventure.

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