$345 Cheap Flights from McAllen (MFE) to Barcelona (BCN)

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McAllen to Barcelona Flights

The cheapest times to fly from McAllen to Barcelona

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

The best time to book a flight from McAllen to Barcelona

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

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 McAllen to Barcelona in 2026. You can also book with separate airlines for your outbound and return journeys, from $345 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 McAllen to Barcelona 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 McAllen to Barcelona 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 McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.) cost?

You can find cheap one-way flights from $345 and cheap return flights $732 McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.) with Expedia. Return flights often range between $500 and $3346. 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 McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona 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 McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.)?

The cheapest month to fly from MFE to BCN 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 McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.)?

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

What is the cheapest airline that flies from McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.)?

KLM is one of the cheapest airlines offering connecting flights from Miller Intl. (MFE) to Barcelona Intl. (BCN), with round-trip tickets starting from around $622.33 with a layover in Austin-Bergstrom Intl. (AUS). 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 McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.)?

To find a cheap flight from McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona 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 McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona 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 McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.)?

The earliest flight from Miller International Airport (MFE) to Barcelona International Airport (BCN) usually departs at around 5:00 AM, operated by American Airlines. This seasonal service is active in June and July, giving you a great opportunity to maximize your time in Spain. 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 McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.)?

The most popular departure times for flights from McAllen (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.) are in the afternoon, from 12pm to 3pm. About 37% of passengers prefer this time window. Many major carriers, including American Airlines and British Airways, offer flights during this window. This timing is favored as it allows you to travel after a leisurely morning.

How long does it take to fly from McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.)?

A flight from MFE to BCN with a layover takes around 18 hours 50 minutes, with the route covering approximately 5,541 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 McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.)?

Business class seats are offered on the MFE to BCN route with American Airlines and United Airlines.

How do I earn miles on a McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.) flight with Expedia?

It's easy to earn miles on a McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona 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 Barcelona from Miller Intl. (MFE)?

If you're planning to travel to Barcelona from Miller Intl. (MFE), you can fly into Barcelona Intl. (BCN) Some flights may connect through major hubs like Dallas-Fort Worth Intl. (DFW), George Bush Intercontinental (IAH), Austin-Bergstrom Intl. (AUS) before reaching Barcelona. 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 McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.) at the last minute?

Typically, booking a last minute flight from McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona 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 McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.) flight and hotel package?

Securing a McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.) Barcelona 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 McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona Intl.)?

If you booked your McAllen, TX (MFE-Miller Intl.) to Barcelona (BCN-Barcelona 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.