A swan with cygnets swimming in a calm river surrounded by willow trees.

$20 Cheap Flights to Sidcup

View $20 flight on Thu, Sep 17, 2026Opens in a new window

Popular airlines to Sidcup

  • 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 OneKeyCash
    Learn about One Key

How much is the cheapest flight to Sidcup?

Prices were available within the past 7 days and start at $20 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Wizz Air UK
easyJet
Jet2
Air France

Alternative airports near Sidcup

Prices were available within the past 7 days. Prices and availability are subject to change.

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

From $772 - $1,118 per traveler.

What you need to know for your flight to Sidcup

Flights to Sidcup at a glance

Traveling to Sidcup is easy; you can choose from full-service or budget airlines. Compare flight times and select the best option that aligns with your budget and plans to discover the city's iconic attractions and neighborhoods. Look for cheap flights to Sidcup to make your trip even more affordable.

  • Major airports near Sidcup: Heathrow Airport (LHR), London City Airport (LCY)
  • Closest airport to Sidcup: London City Airport, LCY (around 6 miles)
  • Flights per week: 4,050+ flights arriving across Sidcup airports
  • Number of airlines that fly to Sidcup: around 80+ carriers

Popular airports near Sidcup

Sidcup is a charming city ideal for family getaways, urban excursions, and outdoor experiences. Visitors are drawn to its vibrant culture, sports activities, and scenic landscapes. Accessing Sidcup is convenient, as it is served by two major airports, making travel planning a breeze for any itinerary.

  • Heathrow Airport (LHR): Situated in Greater London, England, approximately 24 miles from Sidcup, this airport offers a wide range of domestic and international flights. It connects to around 10 domestic cities and over 380 international destinations. Travelers can enhance their experience by opting for premium economy, business, or first-class seating, depending on the selected routes and airlines. Notable carriers operating here include British Airways, Virgin Atlantic, and United.
  • London City Airport (LCY): Located in Greater London, England, just about 6 miles from Sidcup, this airport provides both domestic and international flight options. It links to around 3 domestic cities and more than 20 international destinations. For those seeking additional comfort, upgrades to business class are available, depending on the airlines and routes. Key airlines flying from this airport include British Airways, ITA Airways, and Swiss International Air Lines.

Top routes to Sidcup

  • New York (JFK/LGA) to Sidcup (LHR/LCY), with one-way tickets available from around $200
  • Boston (BOS) to Sidcup (LHR), with one-way flight options from around $210
  • Los Angeles (LAX) to Sidcup (LHR/LCY), with one-way flights starting at around $260
  • Newark (EWR) to Sidcup (LHR), with one-way fares starting at around $230
  • San Francisco (SFO) to Sidcup (LHR), with one-way flight options from around $280

Cheapest routes to Sidcup

  • Santiago de Compostela (SCQ) to Sidcup (LHR), with affordable one-way prices from around $30
  • Luxembourg (LUX) to Sidcup (LHR/LCY), with affordable one-way prices from around $35
  • Bilbao (BIO) to Sidcup (LHR), with low one-way fares from around $40
  • Pisa (PSA) to Sidcup (LHR), with affordable one-way prices from around $45
  • Paris (CDG/ORY) to Sidcup (LHR), with cheap one-way fares from around $45

*Flight times and fares vary by season and availability and are based on one-way routes

Top airlines with flights to Sidcup

  • British Airways: Operating flights to both Heathrow Airport (LHR) and London City Airport (LCY), British Airways represents nearly 30% of arrivals in Sidcup. The typical one-way fare hovers around $320, with premium cabin options potentially including premium economy, business, and first class, depending on the specific route.
  • American Airlines: With service to Heathrow Airport (LHR), American Airlines accounts for about 12% of the arrivals to Sidcup. Passengers can expect an average one-way fare of around $500, with premium cabin options that may feature premium economy, business class, and first class based on the route.
  • Virgin Atlantic: Flying into both Heathrow Airport (LHR) and London City Airport (LCY), Virgin Atlantic constitutes roughly 10% of arrivals in Sidcup. The average cost for a one-way ticket is about $420, with premium cabin choices possibly including premium economy and business class, varying by route.
  • United: Providing service to Heathrow Airport (LHR) and London City Airport (LCY), United accounts for around 10% of arrivals to Sidcup. The average fare for a one-way trip is approximately $460, with premium cabin options that may include premium economy and business class depending on the route.
  • Delta: Delta operates flights to both Heathrow Airport (LHR) and London City Airport (LCY), making up about 8% of arrivals in Sidcup. One-way fares typically average around $440, with premium cabin options that could encompass premium economy and business class, depending on the route.

Best time to fly to Sidcup

The most popular months for travelers to fly to Sidcup are March, April, and July, when peak temperatures in Sidcup can reach up to 64.4°F in July. If you prefer quieter travel, consider February, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 41.4°F. For better deals, August usually offers the lowest average one-way fare around $425, roughly 10% cheaper than the yearly average. Looking for additional cheaper months to fly? October, February, and March offer average one-way fares roughly ranging from $431 to $458, making them good options for flexible travelers.

calendar iconMonthtemperature iconTemperaturerain iconPrecipitationmostly cloudy iconCloudinesscrowd level iconDemandprice iconAverage one-way Fare
January40.3°F (4.6°C)Light RainMostly CloudyAverage$471
February41.4°F (5.2°C)No Rain (Dry)Mostly CloudyLow$446
March44.6°F (7.0°C)No Rain (Dry)Mostly CloudyHigh$458
April48.9°F (9.4°C)No Rain (Dry)Mostly SunnyHigh$467
May54.3°F (12.4°C)Light RainMostly SunnyAverage$492
June60.4°F (15.8°C)Light RainMostly SunnyAverage$565
July64.4°F (18.0°C)Light RainMostly SunnyHigh$486
August64.0°F (17.8°C)Light RainMostly SunnyAverage$425
September59.9°F (15.5°C)No Rain (Dry)Mostly SunnyAverage$464
October54.1°F (12.3°C)Light RainMostly CloudyAverage$431
November46.9°F (8.3°C)Light RainMostly CloudyLow$463
December42.8°F (6.0°C)Light RainMostly CloudyLow$556

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

How to save money on a flight to Sidcup

Getting some of the best deals on flights to Sidcup is all about timing and flexibility. Here are some key tips to help you save:

  1. Compare flight options—use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  2. Set up price alerts—as an Expedia member you can use Price Tracking to receive notifications when flight prices change.
  3. Bundle and save—book a flight and unlock a hotel deal on Expedia*, or explore our Sidcup hotel and flight deals.
  4. Think about luggage-nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your baggage allowance before confirming your booking to avoid excess baggage fees at the airport.
  5. Earn miles—you can earn airline miles when you book your Sidcup flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking.

*For members. Select hotels.

Arriving in Sidcup

Sidcup welcomes travelers through its range of transport options based on price, convenience, and proximity. Here's how to reach Sidcup efficiently:

  • Public transportation: From Heathrow Airport, Heathrow Terminals 2 & 3 Underground Station, a metro station, is located about 0.2 miles from the airport, while Heathrow Central Bus Station, a bus station, is also about 0.2 miles away. Additionally, Heathrow Terminals 2 & 3 Station, a train station, is situated approximately 0.3 miles from the airport, providing convenient access to various transportation options.
  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Sidcup, with private rides that can be arranged in advance.
  • Car rental: Renting a car in Sidcup is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Sidcup on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Where to stay in and around Sidcup

  • London: As a vibrant metropolis, London offers travelers a rich tapestry of experiences. Sidcup is situated in London, making it easy to explore iconic attractions like Hyde Park, perfect for families and outdoor enthusiasts, and Buckingham Palace, a must-see for culture lovers. Don't miss the majestic Tower Bridge, which showcases the city's historic charm. With its bustling shopping areas, renowned theaters, and urban parks, London is ideal for those seeking family fun, cultural experiences, or an exciting city adventure.
  • Swanley: Located 4 miles drive away from Sidcup, Swanley is a delightful city that appeals to sports and outdoor lovers. Enjoy a round of golf at one of the local courses or indulge in thrilling motor racing events. The city is home to attractions like the ExCeL Exhibition Centre, great for business travelers, as well as the notable Tower Bridge and London Bridge for a taste of history. Swanley is a fantastic stop for families looking to engage in active pursuits or simply enjoy the outdoors.
  • Dartford: Dartford is located 5 miles drive away from Sidcup and offers a blend of family-friendly and urban experiences. Visitors can explore shopping centers and enjoy exciting motor racing events. Key attractions include the ExCeL Exhibition Centre, ideal for business visitors, and the historic Tower of London, a romantic and cultural highlight. With its sports facilities and racetracks, Dartford provides a lively atmosphere for travelers looking for entertainment and family fun.

Tips for short-haul flights to Sidcup

For quick getaways, efficiency is key. Here is how to make your short-haul journey smoother:

  • Pack light and skip checked bags—for budget airlines, it's often more economical to travel with just a carry-on. Maximize your space by using travel-sized toiletries, wearing your bulkiest clothing, and organizing your outfits efficiently. This also allows you to bypass the wait at baggage claim upon arrival.
  • Bring your own entertainment—many short-haul flights may not provide in-flight entertainment options. Download your favorite TV shows, movies, music, or podcasts ahead of time and consider bringing a book to keep yourself entertained. Remember to charge your devices fully before you board.
  • Arrive at the airport in plenty of time—even for short or domestic flights, it's advisable to arrive at least 1.5 to 2 hours before your departure, taking into account traffic and security lines.
  • Bring your own snacks and water—pack some snacks and a refillable water bottle to stay hydrated and save money while at the airport.

Tips for long-haul flights to Sidcup

Flying long-haul sometimes requires extra planning to ensure a comfortable journey:

  • Select your seat in advance—for longer flights, choosing your seat is essential for comfort. Full-service airlines often allow free seat selection once online check-in opens, typically 24–48 hours before your flight. Some airlines may provide the option to select seats even earlier.
  • Arrive at the airport in plenty of time—aim to arrive at the airport at least 3 hours before departure for international flights to accommodate check-in, security, and immigration processes.
  • Relax at the airport—if you have some extra time, take the opportunity to explore the shops, find a coffee shop, or unwind at the gate or in a departure lounge if you have access. Airport Wi-Fi is generally free and available.
  • Adjust to the new time zone mid-flight—begin to sync your body clock by changing your watch and sleep schedule to align with your destination's time zone. Try to sleep or stay awake during the flight according to the local time at your arrival location to help minimize jet lag.

Frequently asked questions

What month is the cheapest to fly to Sidcup?
The cheapest month to fly to Sidcup is October when demand is low. Off-peak months are usually when you'll find cheap flights. To keep costs down, avoid flying during public holidays and school breaks.
Which US cities fly direct to Sidcup?
There are 31 US cities where you can fly to Sidcup directly from. Explore the options by selecting the "Direct flights only" box on Expedia and choose the ideal departure point for your trip. Here are several of the major cities to set off from:
  • New York
  • Los Angeles
  • Chicago
  • Boston
  • Newark
How to find a cheap flight to Sidcup?
If you're eager to find cheap flights to Sidcup, consider traveling in the low season. Booking ahead of time is also likely to save you money. Or, look for departures on a different day — flights on a Thursday are on average 16% cheaper than Sunday departures.* Opt to receive flight price alerts on the Expedia app and get notifications when fares fall.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Sidcup?
Being flexible about your travel plans can help you to find last-minute deals on cheap flights to Sidcup. To see all the available options, try looking at different ticket types, changing your Sidcup vacation dates, leaving from an alternative airport or going with another carrier.
How far in advance should I book a flight to Sidcup?
Secure the travel dates you want and a fare that suits your budget by booking your domestic flight to Sidcup up to 28 days in advance. Lock in tickets between two and four months ahead if you're flying to Sidcup from an international destination.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Sidcup?
You'll save an average of 8% if you purchase plane tickets on a Sunday rather than Fridays, which tend to be the priciest day to book.* When it comes to snapping up a cheap flight to Sidcup, the key is good timing.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Sidcup?
A total of 81 airlines connect 198 airports across the globe to Sidcup. Here are a few of the key airlines to Sidcup, where Heathrow Airport (LHR) is the major entry point:
  • Aer Lingus
  • British Airways
  • Lufthansa
  • Iberia
Where do you fly into Sidcup?
Sidcup's main point of arrival is London City Airport (LCY). If you're looking for other nearby options when flying to Sidcup, consider Gatwick Airport (LGW), Heathrow Airport (LHR) or Southend Airport (SEN). You can also opt to fly to Sidcup through Stansted Airport (STN).
How far is the airport from central Sidcup?
You'll be about 6 mi north of the center of Sidcup after landing at London City Airport (LCY).
Can I save money by booking a Sidcup trip package?
Book a Sidcup flight and hotel package deal on Expedia, and you could enjoy significant savings. It's simple to bundle your flight and hotel, and you can even add car rentals and activities to create your own personalized Sidcup getaway. Plus, there's nothing like the convenience of booking everything in the same place.
Can I change or cancel my flight to Sidcup?
It's usually possible to cancel or change your flight to Sidcup. Many airlines allow you to cancel flights for free within 24 hours of booking. However, some flights are non-refundable, and airlines may offer you credit for future travel rather than a direct refund. To get cheap flights to Sidcup with flexible change policies, check the "No cancel fee" or "Changes included" filters during your search. Want more information? Check out our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

Book with confidence

Tips to find the cheapest flights to Sidcup

The cheapest day to fly

Get started finding a cheap flight to Sidcup on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want 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.

The cheapest month to fly

October is the cheapest month to fly to Sidcup. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Sidcup. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Sidcup, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Sidcup

The lowest price for round-trip flights to Sidcup in 2026 starts from from $43, while one-way tickets start from from $20. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Sidcup. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Sidcup

Ryanair, Wizz Air UK, easyJet, Jet2, Vueling Airlines, Air France are just some of the airlines that can typically offer cheap tickets to Sidcup. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Sidcup and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Sidcup, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Sidcup. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Sidcup plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Sidcup

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Sidcup.

Stopover savings

The cheapest tickets to Sidcup are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Sidcup. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Sidcup for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Sidcup. Simply download the free Expedia app to your smart device and activate Sidcup flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Sidcup. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Tips to find the cheapest flights to Sidcup

Travel information

Destination airport
Gatwick
Destination airport IATA code
LGW
Destination city name
London
Roundtrip price
$498

Trending flights to Sidcup

Prices were available within the past 7 days and start at $20 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Norse Atlantic UK

Explore a world of travel with Expedia