Lodging Image

Cheap Flights to Grendon Underwood from CA $28

View CA $28 flight on Thu, Sep 17, 2026Opens in a new window

Popular airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Grendon Underwood?

Prices were available within the past 7 days and start at CA $28 for one-way flights and CA $57 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Ryanair
Wizz Air UK
Wizz Air Malta
easyJet

Find the cheapest month to fly from Columbus (CMH) to London (LHR)

From CA $1,083 - CA $1,567 per traveller.

Frequently asked questions

What is the name of Grendon Underwood's airport?
Grendon Underwood is served by multiple airports, but most travelers 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) (56 kilometres from downtown), LGW (97 kilometres from downtown) and London Stansted Airport (88 kilometres 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?
Organizing an exciting Grendon Underwood vacation 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 travelers who manage to score incredibly cheap airfares whenever they fly. Want to know how to do it for your Grendon Underwood vacation? 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 vacation 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 favorites, 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 vacation 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.
  • Traveling 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.

Book with confidence

Find Your Flights to Grendon Underwood LTN

Cheap flights to Grendon Underwood (LTN)

Get started finding a cheap flight to Grendon Underwood on Expedia by either choosing a deal on this page or using the search bar to enter your travel dates, origin airport, and whether you want a roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

We recommend using the ‘Flexible Dates’ calendar at the top of the page to see the price of plane tickets on the surrounding dates. This allows you to pick the cheapest days to fly if your trip allows flexibility and score cheap flight deals to Grendon Underwood.

Roundtrip prices range from CA $57 - CA $155, and one-ways Grendon Underwood start as low as CA $28.

Be aware that choosing a non-stop flight can sometimes be more expensive while saving you time. And routes with connections may be available at a cheaper rate.

Airlines that fly to Grendon Underwood (LTN)

You have several options for which airline you choose to travel with to Grendon Underwood. There are 10 airlines flying into LTN: Ryanair, Wizz Air UK, Wizz Air Malta, easyJet, Jet2. 

Cheap plane tickets may be available from different airlines at different times and with unique terms. It’s best to understand the details of each airline’s offer before judging its value.

For example, if you plan to check a bag or bring a carry-on, check whether the cheap airfare deal includes a baggage allowance. If not, verify whether the baggage fee is higher than the difference of other airline plane ticket deals offering free checked/carry-on baggage in exchange for a slightly higher airfare. 

Additionally, your preferred frequent flyer membership programmes may influence your choice of cheap airline. Expedia allows you to enter your membership numbers during checkout to earn points from your airline and Expedia Rewards—all while getting a great deal and planning all your travel on one online platform.

Find the best deals

At Expedia, we source many flight deals from multiple providers, so you can easily find the best deals that are right for you. A great strategy for getting the best deals can be to make sure you book and travel at optimal times. Airfare to Grendon Underwood (LTN) varies throughout the year based on seasonal demand. You’ll see the lowest rates for roundtrips to LTN in September and in September for one-ways.

Cancellation & flexibility

To change or cancel eligible flights, go to ‘My Trips’ and navigate to your itinerary. If you booked within the last 24 hours, you might be able to cancel your flight for free. Learn more about flight changes or cancellations from our customer service portal. Some plane tickets are available with no change fees, which you can filter for during your search.

Find Your Flights to Grendon Underwood LTN

Travel information

Destination airport
Luton
Destination airport IATA code
LTN
Destination city name
London
Roundtrip price
CA $56
*Available to Expedia members.