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Is 1 hour enough for connecting flights in Heathrow?

We recommend that you allow the following minimum connection times: 1 hour for connections within the same Heathrow terminal. 1 hour 30 minutes for connections that require travel between terminals at Heathrow.



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We recommend that you allow the following minimum connection times: 1 hour for connections within the same Heathrow terminal. 1 hour 30 minutes for connections that require travel between terminals at Heathrow.

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The recommended layover time for domestic flights is normally one hour. However, as previously stated, you may require longer if your flights are booked with two different airlines, if you are traveling to a very busy airport or if you require special assistance.

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London Heathrow Airport
Minimum connection times: allow at least 60 minutes for connections within the same terminal, and at least 90 minutes for connections that require travel between terminals. You'll need to allow extra time if you need to collect your bags and go through security.

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We recommend that you allow the following minimum connection times: 1 hour for connections within the same Heathrow terminal. 1 hour 30 minutes for connections that require travel between terminals at Heathrow.

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Everyone who boards an aircraft at Heathrow has to be security screened to UK government standards. Even if you've already been through security checks at another airport, we're obliged to screen you again before you fly from Heathrow.

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If you are connecting onto another flight at London Gatwick and you already hold a boarding pass for your onward flight, we recommend that you allow a minimum connection time of 60 minutes for same terminal transfers and 90 minutes if your flights arrive and depart from different terminals.

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The recommended layover time for domestic flights is normally one hour. However, as previously stated, you may require longer if your flights are booked with two different airlines, if you are traveling to a very busy airport or if you require special assistance.

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If a delay in your first flight is the reason you're missing your connection, don't worry too much. Usually, most airlines will rebook you on the next flight, and that too for free. Although, you might have to fly on standby depending on seat availability.

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You will need to go through passport control (and customs if applicable) and then check in again as normal for your connecting flight, so please ensure you have enough time.

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The Non-EEA immigration waiting time is meant to be 45 minutes or less. In March 2022, Terminal 2 was running at 76.48 per cent efficiency whilst Terminal 3 was running at 76.68 per cent and Terminal 5 at 78.41 per cent.

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What is a good connection time? Travel advisers say there's a lot to take into account when booking connecting flights, but a general rule of thumb is 60-90 minutes between domestic flights and at least two to three hours for international itineraries.

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You'll need to clear customs and immigration. Next, you'll recheck your luggage for the domestic flight. Finally, you'll need to go through Transportation Security Administration screening. This may include a physical inspection of your luggage and personal items with a metal detector or a full-body scan.

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There is no one-size-fits-all answer here, it can vary greatly from one airport to another. Some international airports have a minimum connecting time as low as 30 minutes. But usually, when traveling internationally, the MCT is at least an hour. It can go up to 2 hours in large airports requiring a change of terminal.

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The recommended layover time for international flights is generally longer, as you will have to go through customs and immigration before boarding your next flight. In most cases, a 30-minute layover for domestic flights and an hour for international flights is considered a minimum, or short, layover.

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The recommended layover time for international flights is generally longer, as you will have to go through customs and immigration before boarding your next flight. In most cases, a 30-minute layover for domestic flights and an hour for international flights is considered a minimum, or short, layover.

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Missed flight due to short layover
If you missed your connecting flight due to a short layover, the airline will book you on the next flight free of charge as long as the connecting flight is part of the same ticket.

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You can simply check-in your baggage at the starting airport, and the airline will transfer it to your final destination. However, if you are traveling on multiple tickets, i.e., each flight is booked under a separate ticket, you will need to collect your baggage at each layover and re-check it with the next airline.

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How long does it take to clear customs at Heathrow? On average, it takes between 30 minutes and 1 hour to clear customs and immigration at Heathrow Airport.

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