£203 Cheap Flights from Washington (IAD) to McAllen (MFE)

View £203 flight on Mon, 30 Mar 2026Opens in a new window

Flight 1

Popular airlines from Washington Dulles International Airport (IAD) to Miller Intl. Airport (MFE)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Washington (IAD) to McAllen (MFE)

Prices were available within the past 7 days and start at £203 for one-way flights and £499 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 28 Mar - Sun, 29 Mar
IAD
Washington
MFE
McAllen
£499 Return, found 4 days ago
£499
Return
found 4 days ago
Select Delta flight, departing Sat, 28 Mar from Washington to McAllen, returning Sun, 29 Mar, priced at £499 found 4 days ago
Delta
Sat, 28 Mar - Sun, 29 Mar
IAD
Washington
MFE
McAllen
£574 Return, found 4 days ago
£574
Return
found 4 days ago
Select Delta flight, departing Sat, 28 Mar from Washington to McAllen, returning Sun, 29 Mar, priced at £574 found 4 days ago
Delta
Sat, 28 Mar - Sun, 29 Mar
IAD
Washington
MFE
McAllen
£582 Return, found 4 days ago
£582
Return
found 4 days ago
Select Delta flight, departing Sat, 28 Mar from Washington to McAllen, returning Sun, 29 Mar, priced at £582 found 4 days ago
Delta
Sat, 28 Mar - Sun, 29 Mar
IAD
Washington
MFE
McAllen
£608 Return, found 4 days ago
£608
Return
found 4 days ago
Select Delta flight, departing Sat, 28 Mar from Washington to McAllen, returning Sun, 29 Mar, priced at £608 found 4 days ago
Delta
Sat, 28 Mar - Sun, 29 Mar
IAD
Washington
MFE
McAllen
£641 Return, found 4 days ago
£641
Return
found 4 days ago
Select Delta flight, departing Sat, 28 Mar from Washington to McAllen, returning Sun, 29 Mar, priced at £641 found 4 days ago
Delta
Sat, 28 Mar - Sun, 29 Mar
IAD
Washington
MFE
McAllen
£656 Return, found 4 days ago
£656
Return
found 4 days ago
Select Delta flight, departing Sat, 28 Mar from Washington to McAllen, returning Sun, 29 Mar, priced at £656 found 4 days ago
American Airlines
Sat, 28 Mar - Sun, 29 Mar
IAD
Washington
MFE
McAllen
£660 Return, found 4 days ago
£660
Return
found 4 days ago
Select American Airlines flight, departing Sat, 28 Mar from Washington to McAllen, returning Sun, 29 Mar, priced at £660 found 4 days ago
Delta
Sat, 28 Mar - Sun, 29 Mar
IAD
Washington
MFE
McAllen
£664 Return, found 4 days ago
£664
Return
found 4 days ago
Select Delta flight, departing Sat, 28 Mar from Washington to McAllen, returning Sun, 29 Mar, priced at £664 found 4 days ago
Delta
Sat, 28 Mar - Sun, 29 Mar
IAD
Washington
MFE
McAllen
£668 Return, found 4 days ago
£668
Return
found 4 days ago
Select Delta flight, departing Sat, 28 Mar from Washington to McAllen, returning Sun, 29 Mar, priced at £668 found 4 days ago
United
Sat, 28 Mar - Sun, 29 Mar
IAD
Washington
MFE
McAllen
£690 Return, found 4 days ago
£690
Return
found 4 days ago
Select United flight, departing Sat, 28 Mar from Washington to McAllen, returning Sun, 29 Mar, priced at £690 found 4 days ago

Find the cheapest month to fly from Washington (IAD) to McAllen (MFE)

September is typically the cheapest month to fly

From £180 - £362 per traveller.

Frequently asked questions

How much is a flight from IAD to MFE?
If you're planning on travelling between IAD and Miller Intl. Airport (MFE), round-trip journeys start from £499. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to Miller Intl. Airport (MFE)?
The majority of flights can be cancelled online, but each air carrier has its own terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from IAD to McAllen Miller Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for IAD to MFE flights, you'll see a "no change fees" filter for you to select.
How far is the flight from IAD to Miller Intl. Airport (MFE)?
You'll be in the air for a while, as the flight distance between Chantilly and McAllen is 2,400 kilometres. Create a playlist of your favourite podcasts before you leave home to keep yourself entertained during your trip.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to McAllen Miller Intl. Airport?
Direct flights aren't available, so you'll have to make at least one stop between Washington Dulles Intl. Airport (IAD) and Miller Intl. Airport (MFE). Take advantage of the layover time to stretch your legs and freshen up.
Are Dulles Intl. Airport to MFE flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so it's no sure thing. While last-minute deals between Washington Dulles Intl. Airport (IAD) and McAllen Miller Intl. Airport are of course possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some airlines announce their prices up to 12 months before the departure date. Expedia is constantly updating the best bargains around, so keep checking back and be ready to grab your seat when the price is low.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Miller Intl.
Return price
£499
Distance
2387 km

Book with confidence

Compare flights from Washington to McAllen easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to McAllen. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Miller Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Miller Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Washington Dulles Intl. (IAD) to Miller Intl. (MFE)

The easiest way to view the best deals on flights from Washington to McAllen today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Washington Dulles Intl. to Miller Intl. start at just £499 and range up to £690.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and McAllen
  • booking your flight during March, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to McAllen flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Miller Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Washington to McAllen easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.