Cheap flights from St Pancras to Seattle-Tacoma International

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs Cheapflights |
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
St Pancras (LCY) to Seattle-Tacoma International (SEA)

What is the cheapest day to fly return from St Pancras to Seattle-Tacoma International?

Thursday is generally a great day to depart. Flying on this day could help you save up to 64%.

How far in advance should I book a flight from St Pancras to Seattle-Tacoma International?

Travellers have found it’s best to book a flight 52 days in advance to save up to 51% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 52 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St Pancras to Seattle-Tacoma International 1-2 weeks in advance for as low as £453, or £594 for flights within the next 24 hours.

What is the cheapest month to fly from St Pancras to Seattle-Tacoma International?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Seattle-Tacoma International. Flights to Seattle-Tacoma International from St Pancras in February are about £400 on average during February, but can be found for as low as £263.

When is the cheapest time to fly from St Pancras to Seattle-Tacoma International (LCY - SEA)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St Pancras to Seattle-Tacoma International as you normally would.

Cheap flights from St Pancras to Seattle-Tacoma International in January, February 2021

The best prices found for LCY to SEA flights in January, February
13 Feb - 20 Feb
£364pp
LCY
London City
KLM
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
LCY
London City
17 Feb - 24 Feb
£367pp
LCY
London City
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
LCY
London City
1 Feb - 28 Feb
£371pp
LCY
London City
KLM
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
LCY
London City

St Pancras to Seattle-Tacoma International 2021 flight deals

Cheap flights to Seattle-Tacoma International from St Pancras found for this year
13 Feb - 20 Feb
£364pp
LCY
London City
KLM
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
LCY
London City
10 Mar - 17 Mar
£367pp
LCY
London City
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
LCY
London City
8 May - 12 May
£369pp
LCY
London City
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
LCY
London City

One-way flights to Seattle-Tacoma International from St Pancras

The cheapest one-way flights from St Pancras to Seattle-Tacoma International
12:50 - 06:40
KLM
1 stop
25h 50m
LCY - SEA
KLM
12:50 - 06:40
KLM
1 stop
25h 50m
LCY - SEA
KLM
05:00 - 06:35
KLM
1 stop
33h 35m
LCY - SEA
KLM
£336
Tripmonster

Related info for your journey

Useful info, stats and facts about St Pancras to Seattle-Tacoma International flights.

Flight FAQs

From St Pancras to Seattle-Tacoma International

Are flight prices decreasing from City to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both City and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from London City to Seattle/Tacoma Intl to control the spread of COVID-19?

New policies can now be found on Delta to help keep travellers safe while flying. New policies for travellers booking flights from London City to Seattle/Tacoma Intl include masks being provided and required on board, daily cleaning and sanitisation, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from London City to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Some of the carriers operating flights from London City to Seattle/Tacoma Intl that may be offering flexible cancellation policies are Delta, KLM, and British Airways. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from St Pancras to Seattle-Tacoma International for under £366 on Cheapflights?

Yes, there are multiple flights from St Pancras to Seattle-Tacoma International for under £366. The cheapest flight booked recently is on SWISS for just £364, but on average you can expect to pay £378.

Are there direct flights from St Pancras to Seattle-Tacoma International for under £366 on Cheapflights?

There are no direct flights from St Pancras to Seattle-Tacoma International, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in City or Seattle?

When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in City is roughly less than Seattle. You can assume this to be the case over the next 23 days.

Is City weather warmer or cooler than Seattle?

Our data indicates that the weather will be 25 °C on average in the month of July. The temperature in Seattle is typically hotter than in City. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long does is the flight from St Pancras to Seattle-Tacoma International?

KLM, SWISS, and Lufthansa can get you from St Pancras to Seattle-Tacoma International in just under 16h 55m. Your travel time can differ by up to 7h 40m. This flight may include one or multiple stops.

What are the cheapest airlines to flying from St Pancras to Seattle-Tacoma International return?

Cheapflights users have booked flights from St Pancras to Seattle-Tacoma International from £365 return. Other airlines that can offer you cheap pricing are KLM, from £368, and Delta, from £369.

What are the cheapest airlines to fly from St Pancras to Seattle-Tacoma International one-way?

One-way options have recently been found by users for as low as £257 on KLM.

Related searches

Flights to Seattle-Tacoma International from St Pancras
Flights to St Pancras Flights to Seattle-Tacoma International

Hire a Car

Car Rentals at Seattle-Tacoma International Car Rentals in USA

Alternative routes for St Pancras to Seattle-Tacoma International

Destination information for Seattle-Tacoma International

Things to know before you go. Useful info for your trip from St Pancras to Seattle-Tacoma International
Today's exchange rate
£1 = $1.37

Airports servicing London

Airports servicing Seattle

Home North America USA Washington Seattle Seattle-Tacoma International Cheap flights from St Pancras to Seattle-Tacoma International