£21 Cheap Flights to Grendon Underwood

View £21 flight on Wed, 10 Jun 2026Opens in a new window

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Cheap round-trip flights to Grendon Underwood

Prices were available within the past 7 days and start at £21 for one-way flights and £48 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

easyJet
Tue, 2 Jun - Wed, 3 Jun
EDI
Edinburgh
LTN
London
£48 Return, just found
£48
Return
just found
Select easyJet flight, departing Tue, 2 Jun from Edinburgh to London, returning Wed, 3 Jun, priced at £48 just found
Wizz Air UK
Tue, 23 Jun - Tue, 30 Jun
MAD
Madrid
LTN
London
£49 Return, found 5 days ago
£49
Return
found 5 days ago
Select Wizz Air UK flight, departing Tue, 23 Jun from Madrid to London, returning Tue, 30 Jun, priced at £49 found 5 days ago
easyJet
Tue, 9 Jun - Wed, 10 Jun
EDI
Edinburgh
LTN
London
£49 Return, just found
£49
Return
just found
Select easyJet flight, departing Tue, 9 Jun from Edinburgh to London, returning Wed, 10 Jun, priced at £49 just found
SunExpress
Sat, 16 May - Thu, 4 Jun
GLA
Glasgow
LTN
London
£337 Return, found 5 days ago
£337
Return
found 5 days ago
Select SunExpress flight, departing Sat, 16 May from Glasgow to London, returning Thu, 4 Jun, priced at £337 found 5 days ago
EL AL Israel Airlines
Thu, 4 Jun - Mon, 8 Jun
MAD
Madrid
LTN
London
£924 Return, found 2 days ago
£924
Return
found 2 days ago
Select EL AL Israel Airlines flight, departing Thu, 4 Jun from Madrid to London, returning Mon, 8 Jun, priced at £924 found 2 days ago

Frequently asked questions

What is the name of Grendon Underwood's airport?
Grendon Underwood is served by multiple airports, but most travellers use Heathrow Airport (LHR).
What airport is best to fly into Grendon Underwood?
With plenty of airports to pick from, Grendon Underwood is one of those places that's easy to book a ticket to at the last moment. The terminals that deal with the majority of the city's air travel are Heathrow Airport (LHR) (35 mi from downtown), LGW (60 mi from downtown) and London Stansted Airport (55 mi from downtown).
How many airlines fly to Grendon Underwood?
There are a total of 110 airlines connecting Grendon Underwood to 343 airports across the world.
Which airlines fly to Grendon Underwood?
Grendon Underwood receives the majority of its flights from KLM, British Airways and Flybe with KLM being the preferred choice of carrier. Schiphol is the most popular city for passengers to jet off from.
How many nonstop flights are there to Grendon Underwood?
Organising an exciting Grendon Underwood holiday is a piece of cake when there are 8,647 nonstop flights every week to pick from.
Where are the most popular flights to Grendon Underwood departing from?
Flights to Grendon Underwood from Dublin, Edinburgh and Barcelona airports are in high demand.
How long is the flight to Grendon Underwood Airport?
Which city you depart from determines how much of the in-flight entertainment you'll get to see. From Dublin to Grendon Underwood, the average flight time is 1 hour and 22 minutes. From Schiphol it's more like 1 hour and 10 minutes, and from Edinburgh it's 1 hour and 25 minutes.
How to book the cheapest flight to Grendon Underwood?
We all know those fortunate travellers who manage to score incredibly cheap airfares whenever they fly. Want to know how to do it for your Grendon Underwood holiday? Don't leave it until the last minute to lock in your flight. Another fantastic way to pick up the most competitive fare is to compare all options. If your destination has more than one airport, be sure to look into the cost of flying into a smaller terminal. And finally, remember that the early bird catches the worm. Know what a typical airfare costs and have your credit card ready to buy your ticket as soon as you see an unbeatable bargain. The best deals never last long.
How to survive the flight to Grendon Underwood?
Wherever you're coming from, flying can be an enjoyable experience if you've planned ahead. We've compiled a list of handy hints that will get your Grendon Underwood holiday started on the right foot.What to pack in your hand luggage:

  • The trick to having an awesome flight experience is to pack ahead. Start with the essentials: passport, travel docs, bank cards and important medications. Next, bring on board items that'll help keep you entertained, like some electronic devices or a good book. You'll also want to bring your chargers, a quality neck pillow and a pair of headphones. And of course, be sure to toss in toiletries like a toothbrush, deodorant and a spare change of clothes.

Do not pack the following items in your hand luggage:

  • Put all your full-sized bottles of shampoo and hairspray in your checked luggage. Any liquids or gels in your carry-on bag larger than 3.4 ounces (100 milliliters) will be confiscated by security. Pointed or sharp objects, like your precious Swiss Army knife, and dangerous goods which are explosive or flammable, such as flares, chemicals agents and gasoline, are also restricted.

What to wear on a flight:

  • The key to a comfortable flight is as simple as the clothes you wear. Prepare yourself for varying temperatures by bringing layers. This will keep you nice and warm if the cabin begins to cool down. Shoes like high heels and sandals are best left for other occasions. Even though they may be your favourites, opt for flat, closed-toed footwear like sneakers. Your feet will appreciate it.
  • Most of us have heard about DVT (deep vein thrombosis), a blood clotting condition caused by prolonged periods of sitting. There are plenty of ways to lower your risk. Wear compression tights or socks, stay hydrated and keep your legs and feet moving. Do a lap or two of the cabin or perform some stretches in your seat.

How to get through airport security fast when flying to Grendon Underwood?
The trick is to be prepared before you get to the security gate. That way, you'll be stepping onto that plane to Grendon Underwood in the blink of an eye. Follow these helpful tips and get your holiday off to a terrific start:

  • Airport security personnel first need to establish that you have a valid ID and boarding pass before anything else. Keep them close by.
  • The X-ray machine comes next. Remove anything on you that is likely to beep. This includes items like earphones or headphones, as well as heavy jackets or coats. They'll need to be placed on the conveyor belt for screening.
  • All your electronics, including your phone and laptop, must also be scanned.
  • Travelling with a new perfume or cologne? Not a problem. As long as the volume is no greater than 3.4 ounces (100 milliliters) and it's stored in a clear zip-close bag, you're permitted to bring it with you in your carry-on bag.
  • The right choice of footwear can save you several minutes. Boots and bulky shoes are often required to be removed and X-rayed separately. Slip-on shoes usually aren't.
  • Sharp or pointed objects (like knives and scissors) are not allowed on board. They'll be seized at security, so put them in your checked luggage.

Travel information

Destination airport
Luton
Destination airport IATA code
LTN
Destination city name
London
Return price
£48

Trending flights to Grendon Underwood

Prices were available within the past 7 days and start at £21 for one-way flights and £48 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

easyJet
Tue, 2 Jun - Wed, 3 Jun
EDI
Edinburgh
LTN
London
£48 Return, just found
£48
Return
just found
Select easyJet flight, departing Tue, 2 Jun from Edinburgh to London, returning Wed, 3 Jun, priced at £48 just found