$269 Cheap Flights from Seattle (SEA) to McAllen (MFE)

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Seattle (SEA) to McAllen (MFE) at a glance

Travel from Seattle (SEA) to McAllen (MFE) with a range of airlines offering this domestic short-haul route. Compare Seattle to McAllen flights from various full-service carriers to discover options that best suit your budget and itinerary as you visit McAllen's renowned attractions and neighborhoods. Get all the essential details for your journey from Seattle-Tacoma International Airport (SEA) to Miller International Airport (MFE).

• Fastest flight duration: around 5h 30m in-flight, plus roughly 1h 30m layover with one stop
• Route distance: roughly 2,000 miles (3,220 km)
• Flights per week: around 12 departures on average
• Typical fares (one-way): economy tickets often range from $110–$450, depending on seasonality and how far ahead you book

Flights from Seattle - Tacoma International Airport (SEA) to Miller International Airport (MFE)

Based on recent traveler bookings, here are the top airlines favored for one-stop and multi-stop flights from Seattle to McAllen. Many passengers opt for routes with layovers at Dallas-Fort Worth International Airport (DFW, approximately 1h 30m layover), Austin-Bergstrom International Airport (AUS, about 1h 45m layover), and George Bush Intercontinental Airport (IAH, roughly 1h 15m layover). These options allow you to balance price, total travel time, and cabin class, helping you create the ideal travel itinerary.

• American Airlines: As a comprehensive service airline, American Airlines provides both one-stop and multi-stop options. With one-way ticket prices generally falling between $110 and $495, they represent about 53% of departures on this route. Passengers can expect an in-flight duration of 5 hours and 30 minutes, resulting in a total travel time of around 7 hours and 15 minutes.
• Delta: A full-service airline, Delta offers both one-stop and multi-stop flights with one-way fares usually ranging from $110 to $380. This carrier accounts for about 22% of departures on this route, featuring an in-flight time of 5 hours and 30 minutes, leading to an overall journey time of approximately 7 hours and 15 minutes.
• United: United Airlines, another full-service option, provides one-stop and multi-stop services, with one-way fares typically priced between $120 and $530. They constitute roughly 20% of the departures for this route, with a standard in-flight duration of 5 hours and 30 minutes, bringing the total travel time to about 7 hours and 15 minutes.
• Alaska Airlines: This full-service airline specializes in one-stop flights, with one-way fares generally ranging from $155 to $435. Alaska Airlines accounts for roughly 5% of departures on this route, offering an in-flight experience of 5 hours and 30 minutes, culminating in a total travel time of around 7 hours and 15 minutes, including any layovers.

Travelers have the option to upgrade their flight from Seattle to McAllen, with American Airlines offering first-class service and Delta providing a premium economy cabin.

Best time to fly from Seattle (SEA) to McAllen (MFE)

The most popular months for travelers flying from Seattle to McAllen are February, March, and April, when peak temperatures in McAllen reach up to 76.8°F in April. If you prefer quieter travel, consider October, the least busy time to visit with temperatures around 78.4°F and typically the lowest average one-way fare (around $214). Flight availability peaks in December, with approximately 15 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 $214, roughly 13% cheaper than the yearly average.
• More budget-friendly months to fly: February, July, and September typically offer average one-way fares of around $220.
• Most flight options: December has the highest number of flights from Seattle to McAllen, with approximately 15 flights per week, giving you more flexibility in scheduling your trip.

*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 Seattle (SEA) to McAllen (MFE)

• Seattle to Harlingen (SEA-HRL): Valley International Airport (HRL) is located approximately 36 miles from Miller International Airport (MFE). On this route, one-way economy prices generally fall between $100 and $405, varying by season and when you book. Travelers can choose from both one-stop and multi-stop flights, with common layover spots being Dallas-Fort Worth International Airport (DFW) and George Bush Intercontinental Airport (IAH). Major airlines that operate on this route include American Airlines and low-cost option Southwest Airlines. Additionally, there are business and first-class services available.

How to find the best prices for flights from Seattle (SEA) to McAllen (MFE)

Getting some of the best deals on flights from Seattle to McAllen 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 usually available when booking 2-8 weeks in advance, coinciding with when most travelers make their reservations. Departures in the morning, between 5 AM and 12 PM, often provide lower prices and are also the most sought-after times. Additionally, flying on Tuesday typically yields cheaper rates, while Thursday remains the most popular 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.* Find McAllen hotel and flight deals.
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 Miller International Airport from Seattle - Tacoma International Airport

McAllen welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. Here's how to reach McAllen efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in McAllen, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
• Car rental: Renting a car from Miller International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Miller 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.

Seattle to McAllen Flights

The cheapest times to fly from Seattle to McAllen

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

The best time to book a flight from Seattle to McAllen

Sunday is one of the best days to book for cheap flights from Seattle to McAllen: 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 Seattle to McAllen

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 Seattle to McAllen in 2026. You can also book with separate airlines for your outbound and return journeys, from $269 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 Seattle to McAllen 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 Seattle to McAllen 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.) cost?

You can find cheap one-way flights from $269 and cheap return flights $367 Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.) with Expedia. One-way flights usually range from $126 to $925, and return flights typically cost between $352 and $2958. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.)?

The cheapest month to fly from SEA to MFE is March 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.)?

Enter SEA to MFE and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.)?

American Airlines is one of the cheapest airlines offering connecting flights from Seattle (SEA) to McAllen (MFE) with a layover in Los Angeles Intl. (LAX), starting from around $196. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.)?

To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.)?

The earliest flight from Seattle - Tacoma International Airport (SEA) to Miller International Airport (MFE) usually departs at around 12:15 AM, operated by American Airlines. This seasonal service is available in March, allowing you to begin your journey early and make the most of your time in McAllen. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.)?

For flights from Seattle - Tacoma International Airport (SEA) to McAllen (MFE), the most popular departure times are in the early morning, from 6am to 9am. This accounts for around 33% of total traffic. Many major carriers, including American Airlines, Delta Airlines, and United Airlines, offer flights during this window. Many travelers prefer this time because it allows them to arrive in McAllen with a full day ahead of them.

How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.)?

Flying from SEA to MFE with a connection usually takes about 7 hours, traveling roughly 1,966 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.)?

First class is available on flights from SEA to MFE. First class cabins are available on:

• American Airlines
• United Airlines
• Delta Air Lines

How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.) flight with Expedia?

It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller 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 McAllen from Seattle - Tacoma Intl. (SEA)?

From Seattle - Tacoma Intl. (SEA), you can fly into Miller Intl. (MFE) to reach McAllen. Some flights may connect through major hubs like Denver Intl. (DEN), Los Angeles Intl. (LAX), San Francisco Intl. (SFO) before reaching McAllen. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.) at the last minute?

Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.) flight and hotel package?

Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.) Mcallen 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller Intl.)?

If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to McAllen, TX (MFE-Miller 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.