--- title: "London (LHR) to Seattle (SEA) flights: who flies it" description: "Delta Air Lines, Alaska Airlines and 2 more airlines fly nonstop from LHR to SEA, about 26 flights a week. Upgrade and award space by date on 2LNR, next 14 days free." canonical: "https://2lnr.com/routes/lhr-sea" url: "https://2lnr.com/routes/lhr-sea.md" date_modified: "2026-10-18T05:10:47Z" --- # London to Seattle (LHR-SEA): nonstop upgrade & award space British Airways, Delta Air Lines, Alaska Airlines, and Virgin Atlantic fly nonstop between London (LHR) and Seattle (SEA), roughly 26 times a week. The timetable below shows the nonstop scheduled at 8h 45m to 10h 34m for the 4,786 miles. 2LNR checks confirmed upgrade and award space on Delta Air Lines and Alaska Airlines flights on this route, so you can see which departures have space before you book. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 24, 2026. See LHR to SEA on the interactive map [Get started free](https://2lnr.com/login) 26 Flights a week, 4-week average 8h 45m to 10h 34m Scheduled flight time 4,786 mi Nonstop distance Free To get started ## London to Seattle flight schedule Scheduled nonstop departures for LHR to SEA starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from London (LHR) to Seattle (SEA) | Date | Flight | Airline | Departs LHR | Arrives SEA | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | BA 53 | British Airways | 09:50 | 11:35 | 9h 45m | [Boeing 787-10 Dreamliner](https://2lnr.com/seatmaps/ba/787-10.md) | | Fri, Oct 23 | VS 105 | Virgin Atlantic | 11:40 | 14:00 | 10h 20m | [Airbus A330-900neo](https://2lnr.com/seatmaps/vs/a330-900neo.md) | | Fri, Oct 23 | BA 49 | British Airways | 16:30 | 18:25 | 9h 55m | [Boeing 777-300ER](https://2lnr.com/seatmaps/ba/777-300er.md) | | Fri, Oct 23 | AS 101 | Alaska Airlines, Inc. | 17:00 | 19:00 | 10h | Boeing 787-9 Dreamliner | | Fri, Oct 23 | DL 21 | Delta Air Lines | 17:45 | 20:14 | 10h 29m | [Airbus A330-900neo](https://2lnr.com/seatmaps/dl/a330-900neo.md) | | Sat, Oct 24 | BA 53 | British Airways | 09:50 | 11:35 | 9h 45m | Boeing 787-10 Dreamliner | | Sat, Oct 24 | VS 105 | Virgin Atlantic | 11:40 | 14:00 | 10h 20m | Airbus A330-900neo | | Sat, Oct 24 | BA 49 | British Airways | 15:55 | 17:50 | 9h 55m | Boeing 777-300ER | | Sat, Oct 24 | AS 101 | Alaska Airlines, Inc. | 17:00 | 19:00 | 10h | Boeing 787-9 Dreamliner | | Sat, Oct 24 | DL 21 | Delta Air Lines | 17:45 | 20:14 | 10h 29m | Airbus A330-900neo | | Sun, Oct 25 | DL 21 | Delta Air Lines | 12:20 | 15:54 | 10h 34m | [Airbus A330-200](https://2lnr.com/seatmaps/dl/a330-200.md) | | Sun, Oct 25 | AS 101 | Alaska Airlines, Inc. | 14:45 | 18:05 | 10h 20m | Boeing 787-9 Dreamliner | | Sun, Oct 25 | BA 49 | British Airways | 14:55 | 17:50 | 9h 55m | Boeing 777-300ER | | Mon, Oct 26 | DL 21 | Delta Air Lines | 12:20 | 15:54 | 10h 34m | Airbus A330-200 | | Mon, Oct 26 | AS 101 | Alaska Airlines, Inc. | 14:45 | 18:05 | 10h 20m | Boeing 787-9 Dreamliner | | Mon, Oct 26 | BA 49 | British Airways | 14:55 | 17:50 | 9h 55m | Boeing 787-10 Dreamliner | | Tue, Oct 27 | BA 53 | British Airways | 09:50 | 11:35 | 8h 45m | Boeing 787-10 Dreamliner | | Tue, Oct 27 | DL 21 | Delta Air Lines | 12:20 | 15:54 | 10h 34m | Airbus A330-200 | | Tue, Oct 27 | AS 101 | Alaska Airlines, Inc. | 14:45 | 18:05 | 10h 20m | Boeing 787-9 Dreamliner | | Tue, Oct 27 | BA 49 | British Airways | 14:55 | 17:50 | 9h 55m | Boeing 787-10 Dreamliner | | Wed, Oct 28 | DL 21 | Delta Air Lines | 12:20 | 15:54 | 10h 34m | Airbus A330-200 | | Wed, Oct 28 | AS 101 | Alaska Airlines, Inc. | 14:45 | 18:05 | 10h 20m | Boeing 787-9 Dreamliner | | Wed, Oct 28 | BA 49 | British Airways | 14:55 | 17:50 | 9h 55m | Boeing 787-10 Dreamliner | | Thu, Oct 29 | BA 53 | British Airways | 09:50 | 11:35 | 8h 45m | Boeing 787-10 Dreamliner | | Thu, Oct 29 | DL 21 | Delta Air Lines | 12:20 | 15:54 | 10h 34m | Airbus A330-200 | | Thu, Oct 29 | AS 101 | Alaska Airlines, Inc. | 14:45 | 18:05 | 10h 20m | Boeing 787-9 Dreamliner | | Thu, Oct 29 | BA 49 | British Airways | 14:55 | 17:50 | 9h 55m | Boeing 787-10 Dreamliner | Showing all 27 scheduled LHR to SEA departures across 7 days with service, starting October 23, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every LHR to SEA date on the interactive map ## Aircraft on the London to Seattle nonstop In the schedule table on this page, British Airways flies the [Boeing 787-10 Dreamliner](https://2lnr.com/seatmaps/ba/787-10.md) and the [Boeing 777-300ER](https://2lnr.com/seatmaps/ba/777-300er.md). Alaska Airlines flies the Boeing 787-9 Dreamliner. Delta Air Lines flies the [Airbus A330-200](https://2lnr.com/seatmaps/dl/a330-200.md) and the [Airbus A330-900neo](https://2lnr.com/seatmaps/dl/a330-900neo.md). Virgin Atlantic flies the [Airbus A330-900neo](https://2lnr.com/seatmaps/vs/a330-900neo.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on LHR to SEA departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines and Alaska Airlines, segment by segment and date by date. Open the calendar for London to Seattle to see which departures have space, the next 14 days free on every product and the full horizon on Pro. In the 7 days to October 19, 2026, 2LNR checked award space on London to Seattle departures from October 19 to November 1. Delta Air Lines had space open on 9 of 14 dates checked and Alaska Airlines on 0 of 14. ### See real availability Confirmed upgrade or award seats by date on the LHR to SEA departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See LHR to SEA on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying London to Seattle nonstop Carriers operating LHR to SEA nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [British Airways (BA) route map](https://2lnr.com/routes/airlines/ba.md)\ [The aircraft BA flies](https://2lnr.com/seatmaps/ba.md) - [Delta Air Lines (DL) route map](https://2lnr.com/routes/airlines/dl.md)\ [The aircraft DL flies](https://2lnr.com/seatmaps/dl.md) - [Alaska Airlines (AS) route map](https://2lnr.com/routes/airlines/as.md)\ [The aircraft AS flies](https://2lnr.com/seatmaps/as.md) - [Virgin Atlantic (VS) route map](https://2lnr.com/routes/airlines/vs.md)\ [The aircraft VS flies](https://2lnr.com/seatmaps/vs.md) See LHR to SEA on the interactive map → ## Frequently asked questions about LHR to SEA **How long is the flight from London (LHR) to Seattle (SEA)?** Scheduled flight times from London (LHR) to Seattle (SEA) run from 8h 45m to 10h 34m across the departures in the schedule table on this page. The nonstop covers about 4,786 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from LHR to SEA?** British Airways, Delta Air Lines, Alaska Airlines, and Virgin Atlantic fly LHR to SEA nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines and Alaska Airlines. **How many flights a week are there from LHR to SEA?** About 26 nonstop flights a week run between London (LHR) and Seattle (SEA) in the current schedule, operated by British Airways, Delta Air Lines, Alaska Airlines, and Virgin Atlantic. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from LHR to SEA depart?** Scheduled LHR to SEA nonstops in the next 7 days with service leave between 09:50 and 17:45, local time at London. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate LHR to SEA nonstop?** In the schedule table on this page, LHR to SEA nonstops fly as BA 49 and BA 53 on British Airways; AS 101 on Alaska Airlines; DL 21 on Delta Air Lines; and VS 105 on Virgin Atlantic. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on LHR to SEA?** Open the LHR to SEA route on the interactive map or the matrix to see confirmed upgrade and award space by date on Delta Air Lines and Alaska Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [SEA to LHR upgrade and award space](https://2lnr.com/routes/sea-lhr.md). Award seats rather than schedules? See [Delta Air Lines award availability](https://2lnr.com/awards/dl.md) or [Alaska Airlines award availability](https://2lnr.com/awards/as.md). Looking beyond this route? See [every route from London (LHR)](https://2lnr.com/routes/lhr.md), or [every route from Seattle (SEA)](https://2lnr.com/routes/sea.md). Nonstops from London (LHR) to other airports within 150 miles of Seattle (SEA): - [London (LHR) to Vancouver (YVR)](https://2lnr.com/routes/lhr-yvr.md), 127 miles from SEA - [London (LHR) to Portland (PDX)](https://2lnr.com/routes/lhr-pdx.md), 129 miles from SEA Distances are great-circle between the airports, not driving distance. - [How Delta upgrades clear](https://2lnr.com/about/dl/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss LHR to SEA upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)