
Heathrow Airport is one of the busiest airports in the world, and checking in luggage can take time. While some sources suggest arriving at the airport two hours before a flight, others recommend three hours to be safe. Heathrow itself recommends arriving three hours before an international flight, two hours for a domestic or European flight, and one hour for a UK flight. Bag drop desks are usually open from around four hours before departure, but some airlines may allow you to check in luggage the afternoon before your flight.
| Characteristics | Values |
|---|---|
| Time to arrive at the airport for an international flight | 3 hours before flight departure |
| Time to arrive at the airport for a domestic or European flight | 2 hours before flight departure |
| Time to arrive at the airport for a long-haul flight from Terminal 5 | 1 hour before flight departure |
| Time to arrive at the airport for a short-haul flight from Terminal 5 | 45 minutes before flight departure |
| Time to arrive at the airport for business or first-class tickets | 2 hours before flight departure |
| Time to drop off luggage | 3 hours before scheduled departure |
| Time to check-in online | 24 hours before flight departure |
| Time to check-in at the airport | 60 minutes before long-haul flight departure; 45 minutes before short-haul flight departure |
| Time to check-in baggage at Heathrow Terminal 5 | 2 hours before flight departure, not before 04:30 |
| Time to check-in baggage at Heathrow Terminal 3 | Any time after receiving a baggage tag |
| Time to check-in baggage the day before | 16:00-22:00 for flights departing before 10:00 |
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What You'll Learn

Bag drop times vary by terminal and flight type
Bag drop times at Heathrow Airport vary depending on the terminal and the type of flight. For international flights, the industry standard is to arrive at the airport three hours before departure. However, some travellers recommend arriving even earlier, especially if travelling with checked baggage, to account for potential delays and queues.
At Heathrow Terminal 5, bag drop desks are open from 04:30 until two hours before flight departure. Overnight bag drop is available for flights departing before 10:00, allowing passengers to check in their bags the day before, between 16:00 and 22:00. This service is also available at Heathrow Terminal 3 and other selected airports.
For intercontinental flights from Terminal 5, passengers are advised to visit an Assistance desk for passport and visa checks before proceeding to the Bag Drop area. At Terminal 3, passengers can print baggage tags at check-in kiosks, even if they have already checked in online, and then proceed to the Bag Drop area in Departures.
It is recommended to check with your specific airline for their bag drop procedures and timing recommendations. Additionally, it is important to be aware of baggage restrictions, including size, weight, and prohibited items, to ensure a smooth check-in process.
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Baggage can be dropped the day before
If you are travelling from Heathrow Terminal 3 and want to check in your luggage the day before your flight, you can do so between 4:00 pm and 8:00 pm. This is also available at Edinburgh and Glasgow airports. Heathrow Terminal 5 offers an overnight bag drop for flights departing before 10:00, allowing you to check in your bags the day before between 4:00 pm and 10:00 pm.
It is recommended that you arrive at the airport three hours before your international flight, two hours for domestic or European flights, and 45 minutes for short-haul flights. This provides leeway in case of unexpected delays during your journey to the airport or while checking in. Heathrow operates at almost full capacity most days, so allocating extra time can help make your experience less frenetic.
You can also save time by checking in online, choosing your seat, and printing your boarding pass about 24 hours before your flight. If you are travelling with hand baggage only and have already checked in online, you can proceed directly to security. At Heathrow Terminal 5, you can use the self-service machines to print your boarding pass, scan your passport, and print your bag tag.
If you are checking in your baggage, proceed to the bag drop area with your boarding pass, identification, and other required travel documents. You can drop off bags for others on the same booking, but you must bring their passports and travel documents. Please note that you cannot retrieve your baggage once it has been checked in, so ensure you have all necessary items before proceeding.
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Online check-in is available 24 hours before
When travelling, it is always a good idea to get to the airport early to ensure you have enough time to check in your luggage and go through security. Heathrow Airport recommends getting to the airport three hours before your flight if you're travelling internationally, two hours if you're travelling domestically or to Europe. This is also the industry standard for international flights. However, some travellers recommend getting to Heathrow four hours before your flight to be extra cautious and avoid any potential delays.
If you are travelling on an intercontinental flight from London Heathrow Terminal 5, your passport and visa will be checked at a Bag Drop or Customer Service desk. If you are travelling with hand baggage only and have already checked in, you can go straight through security and to the gate.
Most airlines let you check in online, choose your seat, and print your boarding pass about 24 hours before your flight. If you've printed your boarding pass and aren't checking in a bag, you can go straight to security when you get to the airport. At Heathrow, self-service machines are available in airline check-in areas to make the process quicker and easier. You can use these machines to check in and print your boarding pass, or scan your digital boarding pass if you've already checked in online. You can also use them to scan your passport or another form of identification and print your bag tag.
If you are travelling from London Heathrow Terminal 3, you can print your baggage tags at a check-in kiosk, even if you have already checked in online. Then, attach the tags to your bags and take them to the Bag Drop area in Departures. Overnight Bag Drop is available at Heathrow Terminals 3 and 5, as well as at Gatwick, Edinburgh, and Glasgow airports. This service allows you to check in your bags between 4 pm and 10 pm the day before your flight if it departs before 10 am the next day.
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Heathrow recommends arriving 3 hours early
Heathrow Airport recommends that passengers arrive at the airport three hours before their flight if they are travelling internationally, and two hours if they are travelling domestically or within Europe. This is to ensure a smooth and stress-free experience for travellers, allowing them to navigate the often-busy airport with ease and make their departure gates in time.
While some travellers may consider this recommendation excessive, Heathrow is a large and complex airport that operates at almost full capacity most days. By advising travellers to arrive three hours early, the airport aims to reduce the risk of delays and ensure a positive travel experience. This buffer also provides travellers with some flexibility in case of unexpected delays during their journey to the airport or while checking in, dropping off luggage, and clearing security.
The check-in process at Heathrow can be completed using self-service machines or check-in desks. Most airlines allow passengers to check in, choose their seats, and print their boarding passes online or at the airport 24 hours before their flight. However, checking in luggage requires passengers to go to the dedicated bag drop areas, which may have specific opening times and restrictions.
To streamline the luggage drop-off process, travellers can opt for overnight bag drop services available at Heathrow Terminals 3 and 5, as well as at Gatwick, Edinburgh, and Glasgow airports. This service allows passengers to check in their bags between 4 pm and 10 pm the day before their flight, provided it departs after 10 am the next day. Additionally, some airlines offer baggage collection services, where they pick up luggage from passengers' homes, offices, or hotels and check them in, allowing travellers to head straight to security upon arrival at the airport.
While Heathrow's recommendation of arriving three hours early for international flights is standard across airports and airlines worldwide, it is not a mandatory requirement. Some travellers, especially those flying in higher classes or staying at nearby hotels, may find that arriving two hours before their flight is sufficient. Ultimately, the decision to adhere to the three-hour recommendation depends on individual preferences, travel plans, and potential contingencies.
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Bag drop is typically 2-3 hours before departure
Heathrow Airport is one of the busiest airports in the world, so it's always a good idea to allow more time than you think you need. The general recommendation is to arrive at the airport three hours before your flight for international travel and two hours for domestic or European flights. However, this doesn't necessarily mean that you will be able to check in your luggage straight away. Bag drop usually opens two to three hours before departure.
Some sources suggest that you can check in your luggage up to four hours before your flight, but this may not be the case for all airlines or flights. It's worth checking with your airline directly to find out their specific guidelines.
If you're travelling on an intercontinental flight from Heathrow Terminal 5, you'll need to have your passport and visa checked before proceeding to the bag drop area. At other terminals, you can print your baggage tags at a check-in kiosk and then take your bags to the bag drop desk.
It's important to note that some airlines may have different requirements for checking in luggage, so it's always a good idea to check with your airline in advance to ensure a smooth experience.
Additionally, if you're travelling during peak times, such as morning flights during school holidays, be prepared for longer queues and potential delays. Allowing extra time will help ensure that you have a stress-free experience and don't miss your flight.
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Frequently asked questions
It is recommended that you arrive at the airport three hours before your flight if travelling internationally, or two hours if travelling domestically or within Europe. However, you can only drop off your bags three hours before your scheduled departure. Bag drop desks are open from 04:30 on the day of departure.
Yes, overnight bag drop is available for flights departing before 10:00. You can check in your bags between 16:00 and 22:00 the day before.
If you have already checked in and have your boarding pass, you can go directly to the bag drop area with your identification and other travel documents. If you do not have your boarding pass, you can use the check-in kiosks to print your pass before going to the bag drop area.
Most airlines let you check in online and print your boarding pass about 24 hours before your flight. If you need to check in at the airport, you can use the self-service machines located in the airline check-in areas.











































