Cheap flights from Washington to London (LON) from $251
This is the cheapest one-way flight price, found on 10/1. Prices may vary by date and flight preferences.
How far in advance should I book a flight from State of Washington to London?
Find a great deal and save up to 35% by booking at least 33 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from State of Washington to London within the next two weeks, with the cheapest ticket starting at $1,074.
What is the cheapest month to fly from State of Washington to London?
The best pricing can be found in the month of February. Prices to London from State of Washington average $923. You can even find prices in February for less than $923, as users have found deals to London from as low as $574. The month of July appears to be one of the more expensive times to travel to London from State of Washington. Flying in the targeted month can save you up to 27%.
When is the cheapest time to fly from State of Washington to London (WA - LON)?
When flying from State of Washington to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Cheap United Airlines flights from Washington to London
Take a look at some of the lowest-priced United Airlines flights heading from Washington to London. Be sure to come back soon if the deals available don't appeal to you at this time.
Cheap Virgin Atlantic flights from Washington to London
Some of the best deals we've found on Virgin Atlantic flights traveling from Washington to London. Deals are refreshing constantly so come back soon for more options.
Cheap Washington to London flights in October & November 2023
The best prices found for Washington to LON flights for October, November
Listed are some of the best fares we've found on flights departing from Washington to London in 2023. Check back regularly for other flight deals.
Washington to London 2023 flight deals
Cheap flights to London from Washington found for this year
Listed are some of the best fares we've found on flights departing from Washington to London in 2023. Check back regularly for other flight deals.
Non-stop flights to London from Washington
Save time with Washington to London direct flight deals
To help reduce your travel time, choose from one of these non-stop flights from Washington to London. Search for alternative flights from Washington to London by utilizing the search form above.
Washington to London flights leaving soon
Late deals on return flights to London from Washington, departing today and this week
Users seeking a last-minute flight from Washington to London should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.
One-way flights to London from Washington
The cheapest one-way flights from Washington to London
If you're seeking multiple options on one-way flights from Washington to London, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Washington to London should utilize the search form at the the top of the page.
Find flights from Washington to London within your budget
Use the slider to find flights from Washington to London that fit your budget.
Fly from
Fly to
Budget
$591 - $678
Route
Depart
Return
Price
Seattle/Tacoma IntlLondon Gatwick
SEA - LGW
SEALGW
Seattle/Tacoma Intl
jue. 11/2
1 stop12h 20m
London Gatwick
jue. 11/30
1 stop13h 00m
Seattle/Tacoma IntlLondon Gatwick
SEA - LGW
SEALGW
Seattle/Tacoma Intl
lun. 11/6
1 stop14h 40m
London Gatwick
mié. 11/8
1 stop15h 10m
SpokaneLondon Heathrow
GEG - LHR
GEGLHR
Spokane
mar. 1/23
1 stop16h 55m
London Heathrow
mar. 1/30
2 stops22h 22m
Pasco Tri CitiesLondon Heathrow
PSC - LHR
PSCLHR
Pasco Tri Cities
mié. 3/6
1 stop20h 30m
London Heathrow
mié. 3/13
2 stops19h 57m
SpokaneLondon Heathrow
GEG - LHR
GEGLHR
Spokane
lun. 1/22
2 stops21h 31m
London Heathrow
vie. 2/2
2 stops30h 58m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
mié. 11/1
1 stop15h 10m
London Heathrow
mié. 11/8
1 stop14h 00m
Pasco Tri CitiesLondon Heathrow
PSC - LHR
PSCLHR
Pasco Tri Cities
mié. 11/1
1 stop15h 05m
London Heathrow
jue. 11/9
2 stops17h 58m
Pasco Tri CitiesLondon Heathrow
PSC - LHR
PSCLHR
Pasco Tri Cities
mié. 11/1
2 stops19h 00m
London Heathrow
mié. 11/8
2 stops19h 18m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
lun. 11/20
2 stops16h 15m
London Heathrow
mar. 11/28
2 stops16h 01m
Reviews of airlines servicing London
Peruse reviews from past customers who have flown with United Airlines, Virgin Atlantic and KLM from Washington to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Food
Overall
Boarding
Comfort
Crew
Reviews
Due to gate changes and poor announcing, I was unable to board my flight to Missoula. I received no refund. As a person who flies 3-5 times a year, god willing for another 40 years or so, I will strive to never fly Alaska Airlines again.
Entertainment
Food
Overall
Boarding
Comfort
Crew
Reviews
Due to gate changes and poor announcing, I was unable to board my flight to Missoula. I received no refund. As a person who flies 3-5 times a year, god willing for another 40 years or so, I will strive to never fly Alaska Airlines again.
Entertainment
Food
Overall
Boarding
Comfort
Crew
Reviews
Due to gate changes and poor announcing, I was unable to board my flight to Missoula. I received no refund. As a person who flies 3-5 times a year, god willing for another 40 years or so, I will strive to never fly Alaska Airlines again.
Entertainment
Food
Overall
Boarding
Comfort
Crew
Reviews
Due to gate changes and poor announcing, I was unable to board my flight to Missoula. I received no refund. As a person who flies 3-5 times a year, god willing for another 40 years or so, I will strive to never fly Alaska Airlines again.
Entertainment
Food
Overall
Boarding
Comfort
Crew
Reviews
Due to gate changes and poor announcing, I was unable to board my flight to Missoula. I received no refund. As a person who flies 3-5 times a year, god willing for another 40 years or so, I will strive to never fly Alaska Airlines again.
Entertainment
Food
Overall
Boarding
Comfort
Crew
Reviews
Due to gate changes and poor announcing, I was unable to board my flight to Missoula. I received no refund. As a person who flies 3-5 times a year, god willing for another 40 years or so, I will strive to never fly Alaska Airlines again.
Related info for your journey
Useful info, stats and facts about Washington to London flights.
Can I find flights from State of Washington to London for under $600 on Cheapflights?
Yes, there are multiple flights from State of Washington to London for under $600. The cheapest flight booked recently is on Icelandair for just $591, but on average you can expect to pay $601.
Are there nonstop flights from State of Washington to London for under $700 on Cheapflights?
Cheapflights has at least 20 direct flights from State of Washington to London under $700. A good price for a nonstop flight from State of Washington to London is less than $744.
Are there last-minute flights available from State of Washington to London for under $800?
There are currently 20+ open flights from State of Washington to London within the next 7 days for less than $800.
What are the most popular routes from State of Washington to London?
The most popular route from State of Washington to London is Seattle/Tacoma Intl - London Heathrow. You may also consider Seattle/Tacoma Intl - London Gatwick or Seattle/Tacoma Intl - London City.
What are the most popular airlines that fly from State of Washington to London?
American Airlines, Air Canada and Alaska Airlines are the most popular airlines when flying from State of Washington to London.
What are the most reliable airlines from State of Washington to London?
No one likes to see their flight delayed. When booking a flight from State of Washington to London consider choosing Alaska Airlines (90%), Aeromexico (83%) or Singapore Airlines (83%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from State of Washington to London?
The cheapest flight price from State of Washington to London is $554. On average you can expect to pay $1,790. The most popular route, (Seattle/Tacoma Intl - London Heathrow), can usually be booked for $593.
What does SEA to LHR mean?
SEA stands for Seattle/Tacoma Intl Airport, while LHR stands for London Heathrow Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Ready for more IATA code knowledge? These are related airports for your current travel destination: London Gatwick Airport (LGW), London Stansted Airport (STN), London City Airport (LCY), London Luton Airport (LTN), London Southend Airport (SEN).
Departure points for flights from Washington to London
Select to see more specific information for flights to London from all departure points in Washington
Top 10 airlines flying from Washington to London
The chart below displays the airlines Cheapflights users traveling from Washington to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Hourly flight availability from Washington to London
See what time of day planes typically take off from Washington to London
| 1%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 0%of flight departures | Morning6 am to noon |
| 47%of flight departures | AfternoonNoon to 6 pm |
| 52%of flight departures | Evening6 pm to midnight |
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When you search for this flight from Washington to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
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Can Cheapflights find flights from Washington to London with no change fees?
Need flexible booking options for your flight to London from Washington? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Washington to London become cheaper?
Yes, Cheapflights has a feature called Price Alert, which essentially offers users the ability to be notified when flight prices change. Track prices for your flight to London from Washington today and book when you’re ready!