$286 Cheap Flights from Monroe (MLU) to Seattle (SEA)

View $286 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from Monroe, LA (MLU-Monroe Regional) to Seattle-Tacoma International Airport (SEA)

Cheap Flights from Monroe to Seattle (MLU-SEA)

Prices were available within the past 7 days and start at $286 for one-way flights and $298 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Mar 17 - Mon, Mar 23
MLU
Monroe
SEA
Seattle
$298 Roundtrip, found 1 day ago
$298
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 17 from Monroe to Seattle, returning Mon, Mar 23, priced at $298 found 1 day ago
American Airlines
Fri, Oct 3 - Sat, Oct 4
MLU
Monroe
SEA
Seattle
$304 Roundtrip, found 2 days ago
$304
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 3 from Monroe to Seattle, returning Sat, Oct 4, priced at $304 found 2 days ago
Delta
Wed, Oct 15 - Tue, Oct 28
MLU
Monroe
SEA
Seattle
$323 Roundtrip, found 3 days ago
$323
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct 15 from Monroe to Seattle, returning Tue, Oct 28, priced at $323 found 3 days ago
American Airlines
Sat, Sep 27 - Sat, Oct 4
MLU
Monroe
SEA
Seattle
$329 Roundtrip, found 3 hours ago
$329
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Sep 27 from Monroe to Seattle, returning Sat, Oct 4, priced at $329 found 3 hours ago
Delta
Wed, Mar 11 - Tue, Mar 24
MLU
Monroe
SEA
Seattle
$333 Roundtrip, found 4 days ago
$333
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Mar 11 from Monroe to Seattle, returning Tue, Mar 24, priced at $333 found 4 days ago
American Airlines
Fri, Oct 3 - Sat, Oct 4
MLU
Monroe
SEA
Seattle
$348 Roundtrip, found 2 days ago
$348
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 3 from Monroe to Seattle, returning Sat, Oct 4, priced at $348 found 2 days ago
American Airlines
Thu, Oct 9 - Mon, Oct 13
MLU
Monroe
SEA
Seattle
$348 Roundtrip, found 1 day ago
$348
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 9 from Monroe to Seattle, returning Mon, Oct 13, priced at $348 found 1 day ago
Delta
Tue, Sep 30 - Sat, Oct 4
MLU
Monroe
SEA
Seattle
$353 Roundtrip, found 5 days ago
$353
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Sep 30 from Monroe to Seattle, returning Sat, Oct 4, priced at $353 found 5 days ago
Delta
Wed, Mar 11 - Mon, Mar 23
MLU
Monroe
SEA
Seattle
$358 Roundtrip, found 4 days ago
$358
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Mar 11 from Monroe to Seattle, returning Mon, Mar 23, priced at $358 found 4 days ago
American Airlines
Sat, Oct 4 - Tue, Oct 7
MLU
Monroe
SEA
Seattle
$370 Roundtrip, found 5 days ago
$370
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Oct 4 from Monroe to Seattle, returning Tue, Oct 7, priced at $370 found 5 days ago

Find the cheapest month to fly from Monroe (MLU) to Seattle (SEA)

August is typically the cheapest month to fly

From $298 - $740 per traveler.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $632
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $632
Flights from Monroe (MLU) to Seattle (SEA)
Origin airport
Monroe Regional
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
$298
Distance
1886 mi

Monroe to Seattle Flights

The cheapest times to fly from Monroe 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 Monroe to Seattle are during the month of March. You can find some of the cheapest flights from Monroe to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Monroe to Seattle

Sunday is one of the best days to book for cheap flights from Monroe 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 Monroe 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 Monroe to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $286 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 Monroe 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 Monroe 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 Monroe Regional Airport (MLU) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight from $286 or cheap return flight from $298 from Monroe Regional Airport (MLU) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Monroe Regional Airport (MLU) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from MLU to SEA is March, when there's less demand. Off-peak months are often when better flight deals are available between these airports.
What is the cheapest airline that flies from Monroe Regional Airport (MLU) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest MLU to SEA flight.
How many flights per day from Monroe Regional Airport (MLU) to Seattle - Tacoma Intl. Airport (SEA)?
You'll have to hop on a flight with a layover when traveling from Monroe Regional Airport (MLU) to Seattle - Tacoma Intl. Airport (SEA). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from MLU to SEA?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Monroe Regional Airport (MLU) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid potential delays on the Monroe Regional Airport (MLU) to Seattle - Tacoma Intl. Airport (SEA) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**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.
Is it cheaper to buy a plane ticket from Monroe Regional Airport (MLU) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from MLU to SEA are generally more expensive. To lock in the best rates, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, it's possible to score a cheap ticket right before your journey.
Is it cheaper to book a MLU to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a MLU to SEA flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the hassle out of planning your trip. Just pick your flights and choose from our wide range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Monroe Regional Airport (MLU) to Seattle - Tacoma Intl. Airport (SEA)?
It's usually possible to cancel or reschedule your MLU to SEA flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.