Best Flights starting from $909
from$909economy
Phoenix (Any)
Mon, Sep 28
Roundtrip
London (LHR)
Wed, Oct 28
from$1,008economy
Phoenix (Any)
Tue, Sep 29
Roundtrip
London (LHR)
Thu, Oct 29
from$1,008economy
Phoenix (Any)
Wed, Sep 30
Roundtrip
London (LHR)
Fri, Oct 30
Fields updated — click View Prices to search ↑
Other Destinations
Phoenix (Any) to Athens (ATH) in September from $487
From $487
Phoenix (Any) to Budapest (BUD) in September from $4,050
From $4,050
Phoenix (Any) to Athens (ATH) in October from $372
From $372
Phoenix (Any) to Kauai Island Lihue (LIH) in October from $556
From $556
Phoenix (Any) to Paris (CDG) in October from $875
From $875
Phoenix (Any) to Budapest (BUD) in October from $2,693
From $2,693
Flights from Other Cities
New York (JFK) to London (LHR) in September from $480
From $480
Chicago (ORD) to London (LHR) in September from $514
From $514
Toronto (YYZ) to London (LHR) in September from $554
From $554
Washington, D.C. (BWI) to London (LHR) in September from $636
From $636
Vancouver (Any) to London (LHR) in September from $637
From $637
Houston (IAH) to London (LHR) in September from $646
From $646
✈️ Flight Guide: Phoenix (Any) → London (LHR)
Complete travel information for your September journey
Departing from Phoenix (Any) FAQs
To find cheap economy flights from London Heathrow Airport (LHR), use fare comparison tools (Google Flights, Skyscanner), set flexible dates, and enable price alerts. Book 6–12 weeks in advance for short-haul and 2–6 months for long-haul, and consider midweek departures to reduce cost. Combine these tactics with low-cost carriers, off-peak travel months, and baggage-light tickets to maximize savings.
For international economy departures from London Heathrow Airport (LHR), arrive at least 3 hours before scheduled departure to allow for check-in, security, and potential queues. For Schengen or domestic-style short-haul economy flights, 2 hours is usually sufficient, but busy periods and additional screening can add time. Check your airline’s recommended arrival time for the best guidance.
Yes—typically Tuesdays and Wednesdays offer lower economy fares when flying from London Heathrow Airport (LHR), while January (post-New Year), late February, and November can deliver cheaper monthly rates. Avoid school holidays and major events in London when prices spike. Use flexible-date searches to identify the cheapest exact dates.
London Heathrow Airport (LHR) is connected by the Heathrow Express (to London Paddington), London Underground (Piccadilly Line), Elizabeth Line, National Express coaches, and local taxis. For nearby destinations such as Reading, Windsor, Oxford and Brighton, regional rail and coach services provide frequent connections. Purchasing an Oyster or contactless card can lower transport costs within London.
To reduce extra fees when departing London Heathrow Airport (LHR), travel with carry-on only, check the airline’s baggage policies ahead, and avoid purchasing seat assignments unless necessary. Join airline loyalty programs or use co-branded credit cards for waived fees and monitor limited-time promotions for free baggage offers. Compare total cost (fare + extras) before booking to find the cheapest economy option.
Yes—during December, London Heathrow Airport (LHR) experiences higher passenger volumes for holidays, longer check-in and security queues, and occasional transport strikes or weather-related delays. Allow extra time, check your airline and Heathrow updates, and consider earlier flights or off-peak days in December to minimize disruptions and secure cheaper economy fares.
Arriving at London (LHR) FAQs
For arrivals into Cheapest Economy Arrival (CHEAP), the most cost-effective transfers are often by regional trains, coaches, or shared shuttle services that connect to major hubs such as London, Dublin, or Amsterdam. Research park-and-ride or offsite coach operators and book tickets in advance for the lowest rates. Consider combined ticketing options to keep total trip costs low.
Passengers arriving on the cheapest economy fares at Cheapest Economy Arrival (CHEAP) typically go through standard immigration and baggage claim but may have restricted or no dedicated priority lanes. Expect longer waits for baggage and immigration during peak times, and plan for limited free rebooking options with budget carriers. Always check the airline policy on connections and handling of delays for low-fare tickets.
Budget economy arrivals at Cheapest Economy Arrival (CHEAP) often include a small carry-on but require fees for checked bags. Baggage allowances vary by carrier—read your ticket details and prepay baggage to save versus airport rates. Consolidate items into a compliant carry-on to avoid fees and speed through arrival.
In August, Cheapest Economy Arrival (CHEAP) can be very busy due to peak summer travel; book local transfers in advance and expect longer immigration and baggage times. Consider arriving early morning or late evening to avoid peak congestion, and use fare alerts to secure return economy tickets at better prices. Pack hydration and a small travel kit to stay comfortable during potential delays.
To find low-cost onward travel from Cheapest Economy Arrival (CHEAP) to Paris or Barcelona, compare rail and coach connections alongside budget short-haul flights. Book ferries or intercity buses early and check multi-modal routes that combine budget flights with trains to reduce total cost. Use local low-cost carriers and regional rail passes when available.
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Events & Festivals — When Demand Raises Economy Fares at London Heathrow (LHR)
Major events that drive up demand at London Heathrow Airport (LHR) include Wimbledon (June–July), Notting Hill Carnival (August), London Fashion Week (February/September), New Year’s Eve, and major football fixtures. International festivals and trade shows (e.g., London Book Fair) also spike fares. To avoid premium economy prices, travel outside event dates, book early, or fly on shoulder days. CTA: Check event calendars before booking and use fare alerts for non-event windows.
Best Time to Fly Economy from London Heathrow (LHR) — Seasonal & Monthly Advice
The best time to fly economy from London Heathrow Airport (LHR) for cheap fares is during shoulder seasons (late January–March and September–November) and midweek departures (Tuesday–Thursday). Avoid school holidays, Christmas–New Year and major London events when fares spike. For long-haul economy tickets, book 2–6 months ahead; for short-haul, 6–8 weeks typically secures the best prices. CTA: Use monthly calendars and fare alerts to identify lowest-price windows for your route.
Direct vs Connecting Flights — Choosing Economy Routes from London Heathrow (LHR)
Connecting flights from London Heathrow Airport (LHR) often offer lower economy fares than non-stop services, especially when routed via budget hubs such as Amsterdam, Dublin or Madrid. However, connecting increases travel time and risk of missed connections—allow longer layovers when on separate tickets. Direct flights are more convenient and reduce transfer uncertainty, but typically cost more. For cheapest travel, weigh total journey time plus monetary savings and buy protected transfers when possible. CTA: Compare total journey cost and consider protected connections to balance savings with reliability.
Airline Comparison — Economy Carriers Serving London Heathrow (LHR) for Budget Travelers
Legacy carriers like British Airways and Virgin Atlantic often include more services (two checked bags on some fares, complimentary snacks on long-haul) and higher reliability at London Heathrow Airport (LHR), but low-cost carriers and European budget airlines can undercut prices substantially for economy travelers. When comparing, calculate the final fare including baggage, seat selection, and change fees. For the cheapest total cost, consider a low-cost carrier with minimal extras if traveling light; for convenience, a legacy carrier’s bundled fare might be better value. CTA: Run a fare comparison including baggage and change fees before booking.
Seasonal Travel Tips — Save on Economy Flights from London Heathrow (LHR)
Winter: Book flexible economy fares and allow extra time at London Heathrow Airport (LHR) for weather disruptions; carry essential medications and chargers in your cabin baggage. Spring/Autumn (shoulder seasons): Target these months for the best economy fares and quieter terminals. Summer: Book early for peak demand and consider weekday travel to find cheaper economy seats. Always compare the total cost including baggage and transfers to identify the true cheapest economy option. CTA: Check weather and airline advisories before travel and consider refundable fares during winter months.
Flight Time & Schedules — Typical Durations from London Heathrow Airport (LHR)
Typical flight durations from London Heathrow Airport (LHR) vary by destination: London to Dublin ~1h15, London to Paris ~1h15, London to Amsterdam ~1h15, London to New York ~7–8h, London to Dubai ~7h30, and London to Sydney ~22–24h with connections. For cheapest economy fares consider red-eye flights which can be less expensive and offer quieter schedules; however, factor in extra fatigue. Always check real-time schedules and opt for connections with at least 90–120 minutes at Heathrow to reduce the risk of missed connections on low-fare tickets.
Cheap Flights Guide — Finding the Lowest Economy Fares from London Heathrow (LHR)
To secure the cheapest economy flights from London Heathrow Airport (LHR), search with flexible-date calendars, set fare alerts, compare total cost including baggage and seat fees, and consider connecting via low-cost European hubs. Swap Heathrow for nearby airports only if transfer savings exceed fare differences; sometimes early morning or late-night flights cut prices dramatically. CTA: Start a price alert and compare legacy and low-cost carriers for immediate deals.