The cheapest times to fly from MFE to LHR are

  • January 1st to March 25th (except the week of March 5th)
  • April 16th to May 27th
  • October 8th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from MFE to LHR is late May. Prices can be as high as $1931 for Saturday flights during early August, or as low as $719 for Tuesday flights around late May.


When to Fly to London

Flying from Mission/McAllen/Edinburg, TX (MFE) to London (LHR) will usually cost between $836 to $1417 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late May with an average ticket price of $726. Due to high demand the most expensive time to fly is early August, with an average price of $1511. Planning your trip to low-cost times can easily save you $786 on economy flights and even more on first-class flights. Generally, any price below $952 can be considered a good price for a round-trip MFE to LHR flight.

See below for a graph of average weekly prices for the MFE to LHR route. All prices are for round-trip tickets in USD.

MFE to LHR Flight Prices

Compared to other flights, the MFE to LHR flight is priced close to the average and costs slightly more than the average flight leaving from McAllen. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $115 (9%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $977. Return trip prices are from the LHR to MFE flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from MFE to LHR can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 14 minutes may not be realistic.


Flight Hacking MFE to LHR

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from MFE to LHR — but Champion Traveler does!

Hack #1: Newark, NJ (MFE > EWR > LHR)

  • Price for both tickets: $747
  • Average savings: $206 (21.59%)

See MFE to EWR flights

Hack #2: Boston, MA (MFE > BOS > LHR)

  • Price for both tickets: $764
  • Average savings: $188 (19.75%)

See MFE to BOS flights

Hack #3: Austin, TX (MFE > AUS > LHR)

  • Price for both tickets: $833
  • Average savings: $120 (12.55%)

See MFE to AUS flights


Flight Questions Answered

Still have questions about flying from MFE to LHR? We’ve got answers.

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Aer Lingus, Air Canada, Air New Zealand, American, Austrian, British Airways, Brussels Airlines, Finnair, Iberia, Lufthansa, SWISS, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from London Heathrow Airport to McAllen Miller International Airport?

The distance between the two airports is roughly 5137 miles or 8267 kilometers.

How long does it take to fly from MFE to LHR?

The real-world flight time for a nonstop MFE to LHR flight is about 10 hour 14 minutes.

How many flights go between Mission/McAllen/Edinburg, TX and London?

It depends on the day of the week and the date, but a typical day might have around 40 available flights from MFE to LHR.


Airport Location Info


Departing Airport

Origination code MFE
Origination airport name McAllen Miller International Airport
City Mission/McAllen/Edinburg, TX
Country the United States
Latitude 26.2
Longitude -98.2

Return Airport

Destination code LHR
Destination airport name London Heathrow Airport
City London
Country the United Kingdom
Latitude 51.5
Longitude -0.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.