$99 Cheap Flights from New Orleans (MSY) to Seattle (SEA)

View $99 flight on Fri, Sep 5, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from New Orleans to Seattle (MSY-SEA)

Prices were available within the past 7 days and start at $99 for one-way flights and $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, May 13 - Tue, May 20
MSY
New Orleans
SEA
Seattle
$179 Roundtrip, found 4 hours ago
$179
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Tue, May 13 from New Orleans to Seattle, returning Tue, May 20, priced at $179 found 4 hours ago
Delta
Wed, May 28 - Tue, Jun 3
MSY
New Orleans
SEA
Seattle
$180 Roundtrip, found 6 hours ago
$180
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, May 28 from New Orleans to Seattle, returning Tue, Jun 3, priced at $180 found 6 hours ago
Spirit Airlines
Sun, May 25 - Tue, Jun 3
MSY
New Orleans
SEA
Seattle
$187 Roundtrip, found 1 hour ago
$187
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Sun, May 25 from New Orleans to Seattle, returning Tue, Jun 3, priced at $187 found 1 hour ago
Frontier Airlines
Thu, May 15 - Mon, May 19
MSY
New Orleans
SEA
Seattle
$191 Roundtrip, found 2 hours ago
$191
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, May 15 from New Orleans to Seattle, returning Mon, May 19, priced at $191 found 2 hours ago
Spirit Airlines
Thu, May 15 - Mon, May 19
MSY
New Orleans
SEA
Seattle
$193 Roundtrip, found 2 hours ago
$193
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Thu, May 15 from New Orleans to Seattle, returning Mon, May 19, priced at $193 found 2 hours ago
Southwest Airlines
Fri, May 16 - Tue, May 20
MSY
New Orleans
SEA
Seattle
$194 Roundtrip, found 5 hours ago
$194
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Fri, May 16 from New Orleans to Seattle, returning Tue, May 20, priced at $194 found 5 hours ago
Frontier Airlines
Tue, May 13 - Sun, Jun 1
MSY
New Orleans
SEA
Seattle
$198 Roundtrip, found 3 days ago
$198
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, May 13 from New Orleans to Seattle, returning Sun, Jun 1, priced at $198 found 3 days ago
Spirit Airlines
Wed, Jun 4 - Fri, Jun 13
MSY
New Orleans
SEA
Seattle
$203 Roundtrip, found 1 hour ago
$203
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, Jun 4 from New Orleans to Seattle, returning Fri, Jun 13, priced at $203 found 1 hour ago
Delta
Fri, May 16 - Tue, May 20
MSY
New Orleans
SEA
Seattle
$204 Roundtrip, found 5 hours ago
$204
Roundtrip
found 5 hours ago
Select Delta flight, departing Fri, May 16 from New Orleans to Seattle, returning Tue, May 20, priced at $204 found 5 hours ago
American Airlines
Mon, Jul 21 - Wed, Jul 30
MSY
New Orleans
SEA
Seattle
$207 Roundtrip, found 1 hour ago
$207
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Jul 21 from New Orleans to Seattle, returning Wed, Jul 30, priced at $207 found 1 hour 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
Roundtrip price
$178
Distance
2083 mi

New Orleans to Seattle Flights

The cheapest times to fly from New Orleans to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from New Orleans to Seattle are during the month of May. You can find some of the cheapest flights from New Orleans to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from New Orleans to Seattle

Sunday is one of the best days to book for cheap flights from New Orleans to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from New Orleans to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from New Orleans to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $99 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap New Orleans to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your New Orleans to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA) cost?
You can score cheap return fares from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA) starting at $278. Book your seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving MSY on May 14 2025 and touching down at SEA. The price was last updated on April 25 2025 and has not changed since.
What is the cheapest month to fly from MSY to SEA?
The cheapest flights from MSY to SEA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA)?
You can fly straight from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA) on an Alaska Airlines flight.
What is the cheapest airline that flies from MSY to SEA?
With tickets starting at $139 for a one-way journey from MSY to SEA, Alaska Airlines is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from MSY on June 14 2025. Prices were last updated on April 25 2025 and have not changed since.
How many flights per day from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA)?
Every day on average, 2 direct flights operate from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA). Select the departure date that best fits your itinerary.
What are the most popular departure times for flights from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA)?
More passengers fly between MSY and SEA at 3 PM than at any other point in the day. Looking to skip the crowds? Pick a flight outside the busiest times and you could save on your fare as well.
What day of the week has the most flights from MSY to SEA?
If you fly on a Friday, you’ll get the largest range of choices for flights from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA).
What is the earliest flight from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA)?
Louis Armstrong New Orleans Intl. Airport (MSY)’s first flight to Seattle - Tacoma Intl. Airport (SEA) departs at approximately 7:00AM UTC-6. With a travel duration of 5h 25m, you’ll arrive at around 10:25AM UTC-8.
How long does it take to fly from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA)?
The average flight time from MSY to SEA is 5 hours and 22 minutes, covering a distance of 2,100 mi.
What airline has the least delays from MSY to SEA?
With 84% of flights generally landing on time, Alaska Airlines has the best on-time performance for nonstop flights from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA). To check your flight status and receive notifications if anything changes, simply head to the Expedia App.
What is the best time to fly from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA)?
To arrive at Seattle - Tacoma Intl. Airport (SEA) without delays, select a flight that leaves Louis Armstrong New Orleans Intl. Airport (MSY) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Seattle from Louis Armstrong New Orleans Intl. Airport (MSY)?
If you’ve booked a direct flight from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle, Seattle - Tacoma Intl. Airport (SEA) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Holding off until just before your trip to book your flight from MSY to SEA generally means paying more. While you might find some last-minute offers, they aren’t always guaranteed. Allow some flexibility in your schedule for a better chance of getting a bargain.
Is it cheaper to book a MSY to SEA flight and hotel package?
Compared with arranging hotels and flights separately, booking a MSY to SEA flight and hotel package with Expedia could result in significant savings. What’s more, managing everything in one place takes the hassle out of planning your trip. Just secure your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Louis Armstrong New Orleans Intl. Airport (MSY) to Seattle - Tacoma Intl. Airport (SEA)?
If you booked your MSY to SEA flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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