Best Flights starting from $703
from$703economy
Portland (PDX)
Sat, Sep 12
Roundtrip
London (LHR)
Thu, Sep 17
from$712economy
Portland (PDX)
Mon, Sep 14
Roundtrip
London (LHR)
Sat, Sep 19
from$712economy
Portland (PDX)
Wed, Sep 16
Roundtrip
London (LHR)
Mon, Sep 21
from$712economy
Portland (PDX)
Thu, Sep 17
Roundtrip
London (LHR)
Tue, Sep 22
from$882economy
Portland (PDX)
Sun, Sep 13
Roundtrip
London (LHR)
Fri, Sep 18
from$882economy
Portland (PDX)
Tue, Sep 15
Roundtrip
London (LHR)
Sun, Sep 20
from$938economy
Portland (PDX)
Fri, Sep 18
Roundtrip
London (LHR)
Wed, Sep 23
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Other Options for This Route
Other Destinations
Portland (PDX) to Phoenix (PHX) in September from $109
From $109
Portland (PDX) to Albuquerque (ABQ) in September from $138
From $138
Portland (PDX) to Orlando (MCO) in September from $199
From $199
Portland (PDX) to Kahului (OGG) in September from $509
From $509
Portland (PDX) to Kauai Island Lihue (LIH) in September from $559
From $559
Portland (PDX) to Henry E. Rohlsen (STX) in September from $569
From $569
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: Portland (PDX) → London (LHR)
Complete travel information for your September journey
Departing from Portland (PDX) FAQs
To find the cheapest economy flights from London Heathrow Airport (LHR), search flexible dates, compare low-cost carriers and legacy airlines, and use fare alerts from multiple comparison sites. Book during off-peak season or mid-week and consider nearby alternate airports if savings outweigh transfer costs. Sign up for price alerts and check flash sales to secure the best budget airfare from LHR.
From London Heathrow Airport (LHR), affordable economy options usually include British Airways (sales on economy), Iberia (on some European routes), and carriers that offer competitive transatlantic economy fares via codeshares. Low-cost carriers often use other London airports, so check connecting flights and airline promos when searching from LHR. Use airline comparison tools to filter by fare class, baggage allowance, and change fees before booking.
Typically, booking cheap economy flights from London Heathrow Airport (LHR) is easiest during the shoulder seasons—March to May and September to November—when demand is lower and carriers release sale fares. Avoid peak travel periods like July–August and around Christmas/New Year for best savings. Use price-tracking tools and book 6–10 weeks in advance for short-haul, and 2–5 months ahead for long-haul economy deals.
In December, cheap economy fares from London Heathrow Airport (LHR) occasionally appear for early December travel and off-peak holiday windows; however, fares rise significantly over the Christmas and New Year period. Book early for holiday travel or search for mid-December and post-Christmas dates for lower prices. Consider flexible dates and nearby airports to find the best December economy deals.
The fastest ways to reach London Heathrow Airport (LHR) from central London are the Heathrow Express from Paddington (15–20 minutes) and the Elizabeth Line for faster connections from other central stations. For cheaper transfers, use the Piccadilly Line Underground which is slower but more budget-friendly. Allow extra time for check-in and security when flying cheap economy fares because some basic tickets have stricter rebooking options.
London Heathrow Airport (LHR) connects to major global and European hubs such as New York, Dubai, Hong Kong, Paris, Dublin, Manchester, Edinburgh and Barcelona through direct and connecting economy services. It is also a gateway to regional UK cities like Birmingham and Belfast via short flights and rail links. Use route maps and airline networks to plan cheap economy itineraries from LHR to these top destinations.
Arriving at London (LHR) FAQs
Cheapest Economy Fare (CHEAPEST) refers to the lowest available economy-class ticket for a given route, often with restrictions such as non-refundable status, limited or no checked baggage, and fewer change options. These fares are ideal for budget-conscious travelers but review baggage and seat assignment fees before booking to calculate true cost. Consider purchasing add-ons or opting for a slightly higher fare class if you need flexibility or baggage included.
Cheapest economy flights frequently connect passengers to popular destinations like Barcelona, Amsterdam, Dublin, Istanbul, Prague and Marrakech from major hubs. Low-cost carriers and sale fares often focus on short-haul European routes and select leisure destinations. Compare route networks and off-peak travel windows to identify where the best economy savings are available.
Cheapest economy fares typically include only hand baggage; checked baggage often incurs an additional fee which can make the total cost higher than a standard economy fare. Check the airline's baggage policy before booking and consider bundled fare options if you need at least one checked bag. Always calculate the full price including baggage, seat selection, and change fees to compare true value among economy options.
May often offers cheap economy arrival deals for off-peak weekdays and shoulder-season travel to European cities; airlines may discount mid-May travel before the summer surge. Book early in the month and target midweek departures for the best pricing. Use fare alerts focused on key arrival cities like Barcelona, Amsterdam, or Dublin to capture May bargains.
To maximize comfort on the cheapest economy fare, select seats with extra legroom at booking if available, travel with a minimal but organized carry-on, and arrive early to secure overhead space. Consider paying for priority boarding or a seat upgrade only if the total cost still meets your budget goals. Bring travel essentials like a neck pillow and noise-cancelling earbuds to improve arrival comfort without significantly increasing your fare.
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Events & Festivals — Plan Cheapest Economy Travel from LHR Around Major Occasions
Events and festivals such as summer music festivals in Ibiza, Oktoberfest in Munich, major trade shows, and holiday events can significantly raise fares from London Heathrow Airport (LHR). For cheapest economy travel, avoid peak event dates or book several months ahead; consider arriving/departing a day earlier or later to save. Use local event calendars and fare alerts to plan around major attendance spikes. CTA: Check upcoming events and compare cheapest economy fares from London Heathrow Airport (LHR) to plan around busy dates.
Best Time to Fly — Get the Cheapest Economy Fares from London Heathrow (LHR)
The best time to fly for cheapest economy fares from London Heathrow Airport (LHR) is during shoulder seasons: March–May and September–November. For short-haul routes, book 6–10 weeks in advance; for long-haul, target 2–5 months ahead. Flying midweek (Tuesday–Thursday), during off-peak hours, and avoiding school holidays increases the chance of low fares. CTA: Search now for the best time to fly from London Heathrow Airport (LHR) and enable fare alerts for your travel window.
Direct vs Connecting Flights — Choosing Cheapest Economy Options from LHR
Direct flights from London Heathrow Airport (LHR) are faster and often more convenient but can be more expensive than connecting routes. Connecting flights can offer significant savings on cheapest economy fares, especially when combining low-cost carriers or using hub airlines. Balance cost savings versus potential risks such as missed connections and baggage transfer times; allow sufficient layover time and consider travel insurance for complex itineraries. CTA: Compare direct and connecting cheapest economy options from London Heathrow Airport (LHR) to find the best balance of price and convenience.
Airline Comparison — Finding the Cheapest Economy from London Heathrow Airport (LHR)
When comparing airlines for the cheapest economy flights from London Heathrow Airport (LHR), account for base fare plus baggage, seat selection, and change fees. British Airways may offer periodic economy sales; connecting itineraries using oneworld partners or low-cost carriers (from nearby airports) can be cheaper overall. Use airline filters on fare comparison engines to evaluate total trip price rather than headline fares alone. CTA: Compare airlines and total economy costs from London Heathrow Airport (LHR) to make a budget-smart choice.
Seasonal Travel Tips — Save on Cheapest Economy Flights from LHR
Spring (Mar–May): Book early for shoulder-season cheapest economy deals and use flexible dates to find savings. Summer (Jun–Aug): Secure seats months ahead; consider alternate airports and midweek travel to reduce cost. Autumn (Sep–Nov): One of the best seasons for cheapest economy fares—monitor flash sales and book midweek. Winter (Dec–Feb): Early December can offer bargains, but holiday windows are expensive; plan around holidays and confirm airport transfer options. Packing and baggage tips: travel with just a compliant carry-on when possible, pre-purchase checked baggage if needed, and verify weight limits to avoid hefty airport fees. CTA: Use these seasonal travel tips to find the cheapest economy fares from London Heathrow Airport (LHR) and optimize your travel budget.
Flight Time & Schedules — London Heathrow Airport (LHR) to Budget Destinations
Typical flight times from London Heathrow Airport (LHR) to popular budget destinations vary: LHR→Dublin ~1h15m, LHR→Amsterdam ~1h10m, LHR→Barcelona ~2h10m, LHR→New York (JFK) ~7h30m, LHR→Dubai ~7h. When seeking the cheapest economy fares, flying midweek and avoiding red-eye premium surcharges often saves money. Check morning and late-evening departures for lower priced tickets and confirm seasonal schedule changes that can affect frequency. CTA: Check live schedules and cheapest economy times from London Heathrow Airport (LHR) to your chosen destination.
Cheap Flights Guide — From London Heathrow Airport (LHR) to Budget Destinations
To secure cheap flights from London Heathrow Airport (LHR) prioritize flexible-date searches, fare alerts, and alternate airports. Use primary keywords like 'cheap flights from LHR' and LSI phrases such as 'fare sale' and 'budget airlines' while comparing total trip costs including baggage and transfers. For the cheapest economy, consider midweek travel, early-morning or late-night flights, and connecting itineraries. CTA: Compare cheap flights from London Heathrow Airport (LHR) now and enable price alerts to capture flash sales and economy fare drops.