Cheap Flights to London - Compare Airfare Deals from the U.S.
Ready to fly to London?
Touch down in a city where centuries of royal history meet cutting-edge modern life. From the River Thames to the West End, London dazzles travelers with iconic landmarks, world-class culture, and unforgettable energy.
Fly to London for Less
London rewards every type of traveler, from first-timers and families to solo adventurers and frequent flyers.
- Must-See Icons: Big Ben, Buckingham Palace, Westminster Abbey, Trafalgar Square, and the London Eye, all within reach via the Tube.
- Great for U.S. travelers: Most flights from the East Coast take 6–7 hours, and overnight departures let you land ready to explore.
- There’s Always Something Happening: From theater premieres and food festivals to royal parades, there’s never a dull week in London.
Cultural & Entertainment Highlights:
- Theater & Live Music
London’s West End rivals Broadway for its spectacular shows and musicals. Catch classics or new hits, then head to Camden or Brixton for live bands and late-night venues.
- Museums & Art
Many of London’s world-class museums, including the British Museum, Tate Modern, and National Gallery, do not cost anything to enter. These sites are great for rainy days or budget-friendly travel.
- Festivals & Events
Film, food, and fashion festivals fill London’s calendar all year long.
Landmarks & Must-See Sights
From Tower Bridge to The Shard, London’s skyline blends the old and the new.
- Cruise the Thames for a unique view of Big Ben and the South Bank’s cultural mile.
- Check out St Paul’s Cathedral and its famous dome, a wonderful photo stop.
More Reasons to Visit
- Shopping: Explore Oxford Street’s flagship stores, Covent Garden’s boutiques, and Camden Market’s vintage finds.
- Dining: From Michelin-starred restaurants to cozy pubs, London’s food scene reflects multiple cultures on the map.
- Green Spaces: Hyde Park, Regent’s Park, and Richmond Park offer fresh air and scenic walks.
- Sports: Catch football at Wembley, cricket at Lord’s, or tennis at Wimbledon.
- Neighborhoods: Explore Notting Hill, Shoreditch, Greenwich, and South Bank, each with its own vibe and story.
How to Find Cheap Flights to London?
Looking for our best London flight deals? These smart booking strategies can help you save on airfare from the U.S.:
| Tip |
Why It Works |
For U.S. Travelers |
| Fly midweek |
Fewer travelers Tues–Wed = lower fares |
Save up to 18% from NYC or Boston |
| Compare airports |
Prices vary by departure city |
Try JFK, Newark, or Boston for the best East Coast rates |
| Mix airlines |
Book separate one-way flights |
Combine budget & national carriers |
| Set fare alerts |
Track price drops |
Get notified before seats fill |
| Book early |
60–90 days ahead can help you save |
Great for summer trips |
- Pro tip: Based on CheapOair flight data, our lowest average fares to London appear 8–10 weeks before departure.
Our Best Time to Fly to London
Low Season (Jan–Mar)
Our best time for budget travelers. Average round-trip fares from New York range from $480–$620. Fewer tourists and shorter lines at major sights.
Shoulder Season (Apr–May, Sept–Oct)
Mild weather, moderate pricing, and spring blooms or fall colors. Great for museum-hopping and park strolls.
Peak Season (Jun–Aug, late Dec)
High fares due to summer vacations and holidays. Book 2–3 months early for our best rates on summer travel from the U.S.
What Do I Need to Know Before Flying to London?
- Flight time: ~7 hrs from the East Coast, ~10.5 hrs from the West Coast.
- Major airports: Heathrow (LHR), Gatwick (LGW), Stansted (STN), Luton (LTN), London City (LCY), and Southend (SEN).
- Visa & entry: U.S. citizens can visit the U.K. without a visa for up to 6 months.
- Travel documents: Ensure your passport is valid for the duration of your stay.
- Packing tip: Bring a Type G plug adapter (230 V).
- Connectivity: Most U.S. carriers offer affordable international roaming plans.
- Trip Protection: Consider trip protection to cover delays or cancellations.
- Airport transfers: Take the Heathrow Express to Paddington in 15 minutes or opt for coaches and TFL trains for cheaper travel.
Quick Tips for Smart Savings
- Set fare alerts for London deals
- Fly midweek or during the shoulder season
- Compare “hand-baggage only” vs. “checked bag” fares
- Avoid last-minute weekend bookings
Frequently Asked Questions
1. What’s your cheapest month to fly from the U.S. to London?
A. January and February usually offer our lowest fares, especially from East Coast airports.
2. How long is the flight from New York to London?
A. About 7 hours nonstop.
3. Which airport should I fly into?
A. Heathrow offers the most direct U.S. routes, but Gatwick may have better deals.
4. Do I need a visa to travel from the U.S. to London?
A. Not for stays under six months. Just bring a valid U.S. passport.
5. How can I avoid extra airline fees?
A. Check in online, pre-select seats, and review baggage policies before you fly.
6. What’s an easy way to get from Heathrow to central London?
A. Take the Heathrow Express (15 min to Paddington) or the Piccadilly Line on the Underground for a budget-friendly ride.
At
CheapOair, we help U.S. travelers find and book cheap flights to London with flexible dates, fare alerts, and great deals.
Compare flights now and start your London story today.
Call our Travel Experts 24/7. Say CALL50 to save:
000-800-050-3540Learn moreExpires Feb 28, 2026. Where applicable discount applies to service fees for qualified airline tickets. Amount of service fee discount varies: maximum savings of $10 per person applied to bookings from one (1) traveler up to five (5) travelers; the maximum discount applied is $50. Promo Code and Instant Savings offers can be combined up to the amount of our service fees but cannot be used or combined with any other coupons, promotions or special offers. May be withdrawn at any time without notice. Promo code only applicable for bookings created over the phone through our call center. ╳