Submit feedbackComplete travel information for your June journey
June is a high-demand month on the Seattle (All Airports) (SEAA) to London Heathrow Airport (LHR) corridor. Expect warmer booking trends and more daily departures as airlines add capacity for summer travel. For Seattle travelers, nearby cities and hubs—Tacoma, Bellevue, Everett, Redmond, Olympia and Vancouver BC—offer flexible routing options and occasional savings when combined with rail or shuttle transfers. When searching, use primary keywords like "Seattle to London flights June" plus location modifiers (e.g., "Seattle-Tacoma to Heathrow nonstop") to surface the best fares. CTA: Check nonstop availability and set fare alerts now for June travel to lock in summer fares.
To find cheap SEAA to LHR flights in June, compare fares across major search engines, set price alerts, and book 6–10 weeks in advance when summer demand grows. Consider midweek departures (Tuesday/Wednesday) and flexible dates to lower costs; combining nearby airports (Tacoma, Bellevue, Everett) can also help. Use fare-compare keywords like "cheap flights Seattle to London June" to surface deals and activate email alerts for price drops.
Nonstop flights from Seattle (All Airports) (SEAA) to London Heathrow Airport (LHR) usually take about 9 to 9.5 hours eastbound. Flight time can vary slightly with winds and routing; plan for roughly 9 hours and 30 minutes and check estimated block time on your carrier confirmation for precise scheduling.
Yes—major carriers typically offer direct seasonal or year-round nonstop routes between Seattle (All Airports) (SEAA) and London Heathrow Airport (LHR), especially in summer months like June. Check carriers such as British Airways and other transatlantic operators for current nonstop schedules and book early, as June is a high-demand travel month.
Seattle (All Airports) (SEAA) refers to the Seattle area airports—primarily Seattle-Tacoma International, plus nearby gateways travelers sometimes use like King County/Boeing Field, Paine Field (Everett), and even regional hubs in Tacoma or Bellevue for connections. Using multiple nearby airports and flexible routing (short drive or rail to a different airport) can lower fares and open more schedule options.
For SEAA to LHR routes, check your airline’s baggage allowance (carry-on and checked) and prepay checked bags if possible to save. Upon arrival at London Heathrow Airport (LHR) you will clear UK border control and customs; ensure passports are valid for your stay and declare any restricted items. For quick entry, enroll in expedited entry programs where available and have travel documents ready.
June is the start of peak travel between Seattle (All Airports) (SEAA) and London Heathrow Airport (LHR), so book early, allow extra connection time, and prepare for slightly higher prices. Pack a light jacket for London’s variable summer weather and consider arriving a day earlier if attending events like Wimbledon or Pride in London to avoid rushed connections.
Arriving at London Heathrow Airport (LHR) in June means easy access to central London via Heathrow Express, Underground, or taxi, and onward travel to regional destinations like Oxford, Cambridge, Brighton, Manchester, and Birmingham. June events (Wimbledon beginnings, Pride-related activities) increase demand: pre-book transfers and accommodation. For tourists, use keywords like "LHR to central London June" and buy transit tickets online to save time. CTA: Reserve your Heathrow Express or book a transfer in advance to secure the best rates and avoid queues.
From London Heathrow Airport (LHR) you can take the Heathrow Express to Paddington (15–20 minutes), the Piccadilly Line on the London Underground (45–60 minutes), or licensed taxis and ride-shares for door-to-door service. In June, trains run on regular schedules but check for planned engineering works and book the Heathrow Express in advance for best fares.
June brings peak summer passenger volumes to London Heathrow Airport (LHR), especially midday and early evening as many transatlantic flights arrive and depart. Allow extra time for immigration and baggage during weekends and school holiday windows, and use Fast Track or eGates where eligible to speed processing.
Yes—London Heathrow Airport (LHR) is a hub for onward travel to Oxford, Cambridge, Brighton, Manchester, and Birmingham via train, coach, or car. Book onward rail tickets in advance and factor in transfer time from arrivals; coaches and trains typically serve central London stations, from which onward connections are frequent.
June is event-packed around London and the UK—key events include the start of Wimbledon (late June/early July), Pride activities in London (late June), and the Goodwood Festival of Speed in West Sussex. These events increase demand for London Heathrow Airport (LHR) arrivals and central London hotels, so book flights and accommodation early if your trip is event-driven. If attending, include event names in searches (e.g., "SEAA to LHR Wimbledon June flights") to surface tailored itineraries and package deals.
For June travel from Seattle (All Airports) (SEAA) to London Heathrow Airport (LHR), the best time to book is generally 6–10 weeks in advance to secure reasonable fares on nonstop flights. Midweek departures often yield savings; avoid late June weekends when Wimbledon and Pride-related travel increases demand. If flexibility is limited, check one-stop options and consider shoulder dates (early June or late May) to reduce costs while still enjoying summer weather.
Direct nonstop flights from Seattle (All Airports) (SEAA) to London Heathrow Airport (LHR) offer the fastest travel (about 9–9.5 hours) and minimize layover uncertainty—great for time-sensitive business or short leisure trips. Connecting itineraries can be cheaper and offer more schedule flexibility, but add total travel time and potential delay risk. In June, when nonstop seats sell out faster, one-stop routes via Reykjavik, Dublin, or U.S. hubs may provide good value if you can tolerate extra travel time.
British Airways commonly offers nonstop service between Seattle (All Airports) (SEAA) and London Heathrow Airport (LHR) with transatlantic amenities and a direct schedule ideal for time-sensitive travelers. Virgin Atlantic (where available via partner routes) provides competitive transatlantic service and often strong premium-economy offerings. Icelandair and other European hubs offer well-timed one-stop options and attractive prices, sometimes with the opportunity to add a stopover in Reykjavik. Evaluate seat class (economy, premium economy, business), loyalty benefits, baggage rules, and onboard services for June travel.
June in London is generally mild and temperate—bring layered clothing, a compact rain jacket, comfortable walking shoes, and an adapter for UK outlets. To reduce jet lag from Seattle (All Airports) (SEAA), shift sleep schedules gradually, stay hydrated, and plan light activity on your first day after arrival at London Heathrow Airport (LHR). For peak summer events, prebook attraction tickets and local transport. If traveling with checked luggage, weigh it before you depart to avoid overweight fees.
Nonstop flights from Seattle (All Airports) (SEAA) to London Heathrow Airport (LHR) typically range from 9 to 9.5 hours eastbound. Connecting flights (via Reykjavik, Dublin, Iceland, or major U.S. hubs) add 2–6 hours of travel time depending on layover length. Time zone difference in June: Seattle operates on Pacific Daylight Time (UTC−7) and London on British Summer Time (UTC+1), an 8-hour difference, so flights leaving Seattle in the afternoon arrive in London the next morning/early afternoon local time.
To find cheap Seattle (All Airports) (SEAA) to London Heathrow Airport (LHR) flights in June, monitor fares 8–12 weeks before departure and aim for midweek travel. Compare nonstops and one-stop itineraries—sometimes a connection via Reykjavik, Dublin, or a U.S. east-coast hub reduces cost significantly. Use multi-airport search including Paine Field and Tacoma to expand savings. Apply filters for refundable / flexible tickets only if necessary and subscribe to airline newsletters for flash sales. CTA: Start a price alert for SEAA → LHR in June and compare 3–4 OTAs to find the best deal.
Book your economy class flight from Seattle (Any) to London (LHR)and save money on your travel. Compare all flight options to find the best deal for your june trip.
Starting from $951
Book your economy class flight from Seattle (Any) to London (LHR)and save money on your travel. Compare all flight options to find the best deal for your june trip.
Starting from $959
Book your economy class flight from Seattle (Any) to London (LHR)and save money on your travel. Compare all flight options to find the best deal for your june trip.
Starting from $1016
Book your economy class flight from Seattle (Any) to London (LHR)and save money on your travel. Compare all flight options to find the best deal for your june trip.
Starting from $1029
Book your economy class flight from Seattle (Any) to London (LHR)and save money on your travel. Compare all flight options to find the best deal for your june trip.
Starting from $1122
Book your economy class flight from Seattle (Any) to London (LHR)and save money on your travel. Compare all flight options to find the best deal for your june trip.
Planning a trip from Seattle (Any) to London (LHR) in june? SlickTrip helps you find the cheapest economy class flights with our comprehensive flight comparison tool. Whether you prefer direct flights for convenience or multi-stop flights for savings, we have options for every budget and schedule.
Visa requirements depend on nationality; many U.S. citizens and some other nationalities can enter the UK visa-free for short visits but must present a valid passport. Check the UK government’s official visa guidance prior to travel and ensure any business or longer-stay visas are arranged well in advance of your June arrival.
June weather in London is typically mild with occasional rain—pack a light waterproof layer and versatile clothing. Peak tourism increases demand for hotels and attractions (Wimbledon late June/early July), so reserve accommodation and museum tickets in advance to avoid sold-out dates.
Declare any restricted items and complete required arrival documentation when necessary. Use contactless payment or pre-booked transfers to avoid queueing, and if carrying duty-free goods, be aware of UK allowances. For faster processing, ensure your passport details match your boarding pass and have documents ready for UK Border Force checks.