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$398 Cheap Flights from Monroe (MLU) to Seattle (SEA)

View $398 flight on Tue, Dec 8, 2026Opens in a new window

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

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Cheap Flights from Monroe to Seattle (MLU-SEA)

Prices were available within the past 7 days and start at $398 for one-way flights and $418 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Sep 26 - Sat, Oct 3
MLU
Monroe
SEA
Seattle
$418 Roundtrip, found 8 hours ago
$418
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Sep 26 from Monroe to Seattle, returning Sat, Oct 3, priced at $418 found 8 hours ago
Delta
Sat, Sep 26 - Sat, Oct 3
MLU
Monroe
SEA
Seattle
$468 Roundtrip, found 8 hours ago
$468
Roundtrip
found 8 hours ago
Select Delta flight, departing Sat, Sep 26 from Monroe to Seattle, returning Sat, Oct 3, priced at $468 found 8 hours ago
American Airlines
Sat, Sep 26 - Sat, Oct 3
MLU
Monroe
SEA
Seattle
$469 Roundtrip, found 8 hours ago
$469
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Sep 26 from Monroe to Seattle, returning Sat, Oct 3, priced at $469 found 8 hours ago
American Airlines
Sat, Jun 5 - Sun, Jun 13
MLU
Monroe
SEA
Seattle
$482 Roundtrip, found 2 days ago
$482
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jun 5 from Monroe to Seattle, returning Sun, Jun 13, priced at $482 found 2 days ago
American Airlines
Sat, Sep 12 - Sat, Sep 19
MLU
Monroe
SEA
Seattle
$502 Roundtrip, found 2 days ago
$502
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 12 from Monroe to Seattle, returning Sat, Sep 19, priced at $502 found 2 days ago
Delta
Sat, Sep 12 - Sat, Sep 19
MLU
Monroe
SEA
Seattle
$513 Roundtrip, found 2 days ago
$513
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Sep 12 from Monroe to Seattle, returning Sat, Sep 19, priced at $513 found 2 days ago
Delta
Sat, Sep 26 - Sat, Oct 3
MLU
Monroe
SEA
Seattle
$516 Roundtrip, found 8 hours ago
$516
Roundtrip
found 8 hours ago
Select Delta flight, departing Sat, Sep 26 from Monroe to Seattle, returning Sat, Oct 3, priced at $516 found 8 hours ago
American Airlines
Sat, Sep 26 - Sat, Oct 3
MLU
Monroe
SEA
Seattle
$518 Roundtrip, found 8 hours ago
$518
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Sep 26 from Monroe to Seattle, returning Sat, Oct 3, priced at $518 found 8 hours ago
American Airlines
Sat, Sep 26 - Sat, Oct 3
MLU
Monroe
SEA
Seattle
$520 Roundtrip, found 8 hours ago
$520
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Sep 26 from Monroe to Seattle, returning Sat, Oct 3, priced at $520 found 8 hours ago
Delta
Fri, Sep 11 - Fri, Sep 18
MLU
Monroe
SEA
Seattle
$524 Roundtrip, found 1 day ago
$524
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 11 from Monroe to Seattle, returning Fri, Sep 18, priced at $524 found 1 day ago

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

January is typically the cheapest month to fly

From $248 - $888 per traveler.

What you need to know for your flight from Monroe Regional to Seattle - Tacoma Intl.

Monroe (MLU) to Seattle (SEA) at a glance

Explore a range of airlines offering flights from Monroe Regional Airport (MLU) to Seattle-Tacoma International Airport (SEA) on this domestic short-haul route. You can compare options from full-service carriers to discover the best itinerary that suits your budget and travel schedule. Whether you're looking for cheap flights from Monroe or planning your adventure to experience the iconic sights and neighborhoods of Seattle, all the essential details for Monroe to Seattle flights are right here.

  • Fastest flight duration: around 6 hours in-flight, plus roughly 55 minutes layover with one stop
  • Route distance: roughly 1,900 miles (3,060 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $150–$530, depending on seasonality and how far ahead you book

Flights from Monroe Regional Airport (MLU) to Seattle - Tacoma International Airport (SEA)

According to the latest traveler bookings, here are the top airlines favored for flights from Monroe to Seattle, particularly for one-stop and multi-stop itineraries. Common layover points include Dallas-Fort Worth International Airport (DFW), with a typical layover of about 55 minutes, and Hartsfield-Jackson Atlanta International Airport (ATL), which usually has a one-hour layover. These choices allow you to explore various options for pricing, total travel time, and cabin class to create your ideal travel plan.

  • American Airlines: This comprehensive carrier provides one-stop and multi-stop options, with one-way ticket prices generally falling between $150 and $500. It represents about 79% of the departures on this route, featuring an in-flight duration of approximately 6 hours and a total travel time nearing 7 hours.
  • Delta: Another full-service airline, Delta offers one-stop flights with one-way fares typically ranging from $200 to $595. It accounts for around 21% of departures on this route, with an in-flight time of 6 hours and an overall journey duration of about 7 hours, including layover time.

Best time to fly from Monroe (MLU) to Seattle (SEA)

The most popular months for travelers flying from Monroe to Seattle are May, July, and August, when peak temperatures in Seattle reach up to 67.5°F in August. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 44.2°F. For better deals, October usually offers the lowest average one-way fare around $249. Flight availability peaks in April and October, with approximately 11 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $249, roughly 22% cheaper than the yearly average.
  • Another budget-friendly time to fly: November typically offers an average one-way fare of around $259.
  • Most flight options: April and October have the highest number of flights from Monroe to Seattle, with approximately 11 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January40.3°F (4.6°C)Average7$390
February40.5°F (4.7°C)Average8$307
March43.9°F (6.6°C)Low7$354
April48.6°F (9.2°C)Low11$349
May55.8°F (13.2°C)High9$356
June61.0°F (16.1°C)Average8$335
July67.1°F (19.5°C)High7$292
August67.5°F (19.7°C)High8$299
September61.3°F (16.3°C)Average9$316
October52.7°F (11.5°C)Average11$249
November44.2°F (6.8°C)Low7$259
December39.2°F (4.0°C)Average9$373

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Monroe (MLU) to Seattle (SEA)

  • Alexandria to Seattle (AEX-SEA): Alexandria International Airport (AEX) is located approximately 87 miles from Monroe Regional Airport (MLU). One-way economy prices for this route generally vary between $185 and $510, influenced by the season and how far in advance you book. Travelers can expect primarily one-stop flights, with common layover points at Dallas-Fort Worth International Airport (DFW) and Hartsfield-Jackson Atlanta International Airport (ATL). Major airlines servicing this route include American Airlines and Delta. Additionally, first-class service is offered on this route.

How to find the best prices for flights from Monroe (MLU) to Seattle (SEA)

Getting some of the best deals on flights from Monroe to Seattle is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are generally available when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Morning departures between 5 a.m. and 12 p.m. tend to offer the best prices and are also the most popular times to fly. Additionally, flying on Fridays often results in lower fares and is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Seattle - Tacoma International Airport from Monroe Regional Airport

Seattle welcomes travelers from Monroe with a range of transport options based on price, convenience, and proximity. Seattle city center is approximately a 20-minute drive (covering about 14 miles) from Seattle - Tacoma International Airport, depending on traffic. Here's how to reach Seattle efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Seattle, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Seattle - Tacoma International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Seattle - Tacoma International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Seattle - Tacoma International Airport, SeaTac/Airport Station, a metro station, is located about 0.3 miles away on foot, while Tukwila Station, a train station, is situated approximately 4.3 miles from the airport and is best reached by car.

Frequently asked questions

How much does a flight from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from $398 and cheap return flights from $418 Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) with Expedia. One-way flights generally range between $358 and $1108, and roundtrip flights usually range from $452 to $1772. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest month to fly from MLU to SEA is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter MLU to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Monroe (MLU) to Seattle (SEA), with round-trip tickets starting from around $248 with a layover in Dallas-Fort Worth Intl. (DFW). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Monroe (MLU-Monroe Regional) to Seattle (SEA-Seattle - Tacoma Intl.) typically departs at around 5:30 AM, operated by American Airlines. This seasonal service is active in December, allowing you to maximize your time in Seattle. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
When traveling from Monroe (MLU) to Seattle (SEA), the most popular departure times are in the morning, from 6am to 9am. About 41% of passengers prefer this time, which allows for a full day of activities upon arrival in Seattle. Delta Airlines is one of the main carriers flying during this window.
How long does it take to fly from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flying from MLU to SEA with a connection usually takes about 8 hours, traveling roughly 1,887 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
First class seats are offered on the MLU to SEA route with Delta Air Lines and American Airlines.
How do I earn miles on a Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Monroe Regional (MLU)?
From Monroe Regional (MLU), you can fly into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Dallas-Fort Worth Intl. (DFW) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) Seattle Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Monroe, LA (MLU-Monroe Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Monroe Regional
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
$418
Distance
1886 mi

Book with confidence

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 September. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $398 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.

 

Monroe to Seattle Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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