Find Cheap Flights from Seattle/Tacoma Intl to London City Airport (SEA - LCY)

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FAQs for Booking Seattle/Tacoma Intl to London City Airport Flights

How long does a flight from Seattle/Tacoma Intl to London City Airport take?
An average nonstop flight takes 12h 06m, covering a distance of 7720 km.
Which airlines provide the cheapest flights from Seattle/Tacoma Intl to London City Airport?
In the past 3 days, the cheapest round-trip tickets were found on SWISS (C$ 868), KLM (C$ 898) and Multiple Airlines (C$ 906).
Do I need a passport to fly between Seattle/Tacoma Intl and London City Airport?
Yes.

Book cheap flights from Seattle/Tacoma Intl to London City Airport (round-trip)

Airports
Origin
Seattle
C$ 868
only
C$ 868
Destination
London
C$ 868
only
C$ 868
Thu, 15 Feb
SEA
LCY
31h 10m
Sat, 10 Mar
LCY
SEA
20h 53m
C$ 868
Trip: 24 days
8.1ExcellentShow reviews
Overall 8.1 Excellent
Based on 5592 reviews
Overall
8.3
Boarding
8.3
Comfort
7.9
Crew
8.7
Entertainment
7.8
Food
8.0
LHR
ZRH
Excellent 10.0

I’ve flown SWISS Air twice in the past 6 years and I’ve never had an issue, always a great experience!

NCE
ZRH
Excellent 10.0

Easy check in. Crew efficient and personal attention.

VCE
ZRH
Good 7.0

See / hear the middle-aged guy around seat 22 aisle coughing his lungs out throughout the 10 hour flight without once covering his mouth ? WTF is going on w an airline that would let a passenger behave like this ? Didn’t see the attendants offering a cough drop, or asking if he would please behave like a civilized human being. Looking for others corroboration. Spread the word like this guy this w his germs

A grown man coughing loudly during a 10 hr flight w/o once covering his mouth

LIS
ZRH
Good 6.0

I am a frequent flyer from HK to Western Europe and it’s a problem transversal to the majority of the airlines. Service quality drops significantly when coming to Asia. Flights to Europe provide exceptional service.

DME
ZRH
Mediocre 2.0

I bought 2 tikets from Chicago to oscow and back for me and for my son. I live in USA, son lived in Russia but he received immigration visa and I had plan fly to USA with him. From Chicago I used my ticket and say SWISS staff what my son will have trip only from Moscow. I paid for 2 tickets around $1700. Today when we should have trip back to USA, SWISS company said what ticket for my son do not exsist. And I spent for new ticket 220000 rubles about $3600. Nobody in SWISS company do not said me what my tocket for son canceled. I am shoked !!!

Tue, 6 Feb
SEA
LCY
15h 46m
Mon, 12 Feb
LCY
SEA
23h 20m
C$ 898
Trip: 7 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 1538 reviews
Overall
8.0
Boarding
8.0
Comfort
7.7
Crew
8.5
Entertainment
7.2
Food
7.5
JNB
AMS
Excellent 8.0

Good multi media access and content

AMS
MAN
Excellent 8.0

quick and relaxed

MAN
AMS
Excellent 8.0

was very quick

AMS
HKG
Good 7.5

Easy boarding, plenty of room

AMS
IAH
Excellent 8.6

Old airplane with not really comfy seats. No outlets for charging devices. Very old entertainment screen.

Wed, 7 Feb
SEA
LCY
19h 40m
Tue, 13 Feb
LCY
SEA
40h 53m
C$ 906
Trip: 7 days
Overall 0.0 Poor
Based on 0 reviews
Mon, 2 Apr
SEA
LCY
20h 50m
Thu, 12 Apr
LCY
SEA
16h 44m
C$ 910
Trip: 11 days
8.0ExcellentShow reviews
Overall 8.0 Excellent
Based on 17324 reviews
Overall
8.2
Boarding
8.2
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.7
FRA
MAN
Okay 5.0

Good connection time and easy to get through security

Passports had to be checked and it delayed boarding. Everyone was frustrated

DTW
FRA
Mediocre 2.0

entertainment was not working! the flight to Frankfurt was late and I missed the connection to rome! crew told me to run for the connection but ad the gate they told me they had already put me on a later flight! no need to run like crazy across the airport if they had me already booked me on a later flight! missed my train connection in rome to bari...asked the airport lufthansa rep. to put me on a flight to bari but they told me they couldn't do it although there was a flight available!

SFO
MUC
Excellent 9.6

Flight on time

BOS
MUC
Excellent 9.3

Brand New plane. Great German entertainment. Crew were very efficient but didn't show up with drinks as often as in the past but still more often than other airlines. Overall a wonderful experience.

Took two hours to start dinner service without a reason. Turbulences and a passenger with long legs were impeading my sleep but not Lufthansa's fault.

IAH
FRA
Excellent 10.0

excellent service and crew

Mon, 12 Mar
SEA
LCY
21h 10m
Thu, 26 Apr
LCY
SEA
32h 24m
C$ 950
Trip: 46 days
7.3GoodShow reviews
Overall 7.3 Good
Based on 13992 reviews
Overall
7.5
Boarding
7.6
Comfort
7.2
Crew
8.0
Entertainment
7.0
Food
6.9
LHR
FRA
Excellent 10.0

At security London Heathrow, it took 30 minutes for them to check 1 bag of ours! Almost didn't make the flight.

TLV
LHR
Excellent 8.6

Most things

IND
ORD
Okay 4.0

Connecting flight experience - Had to wait in a line for around 5 hours just to speak with a customer service representative at the London airport because my previous flight was delayed and I had missed my connecting flight.

TXL
LHR
Mediocre 3.0

British Airways overbooked this flight and made it unclear if I can board my flight. Overbooking is such a greedy behavior and airlines should refrain from engaging in this dubious policy. It is the second time this happens to me with BA.

LHR
EWR
Excellent 8.6

Most things

Luggage took forever to be delivered in Newark--one of the longest waits I've ever experienced.

Mon, 12 Feb
SEA
LCY
20h 44m
Wed, 14 Mar
LCY
SEA
20h 52m
C$ 887
Trip: 30 days
8.1ExcellentShow reviews
Overall 8.1 Excellent
Based on 5592 reviews
Overall
8.3
Boarding
8.3
Comfort
7.9
Crew
8.7
Entertainment
7.8
Food
8.0
JFK
GVA
Okay 4.0

Nothing.

The service was not great which surprised me for swiss. The flight attendant was absolutely not into work. The seats supposed to work.. wasn’t .. we had to switch the seats with no help and with the lights off. Awful .. of course they didn’t noticed so they didn’t woke me up for the breakfast. (And I’ve been asking for). Maybe was bad luck but that’s really ridiculous. During the flight they didn’t brought water or something we had to call them.

DXB
MCT
Mediocre 2.6

Not on time at all. Toooooo late boarding

VCE
ZRH
Good 7.0

See / hear the middle-aged guy around seat 22 aisle coughing his lungs out throughout the 10 hour flight without once covering his mouth ? WTF is going on w an airline that would let a passenger behave like this ? Didn’t see the attendants offering a cough drop, or asking if he would please behave like a civilized human being. Looking for others corroboration. Spread the word like this guy this w his germs

A grown man coughing loudly during a 10 hr flight w/o once covering his mouth

JFK
ZRH
Excellent 8.0

The crew took very good care of us with food and drinks

Updates by the captain about the situation were too few, too infrequent.

JFK
ZRH
Excellent 10.0

Crew was attentive and courteous. Everything from check in to landing was simple and streamlined.

Sat, 10 Feb
SEA
LCY
15h 46m
Fri, 16 Feb
LCY
SEA
23h 17m
C$ 898
Trip: 7 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 1538 reviews
Overall
8.0
Boarding
8.0
Comfort
7.7
Crew
8.5
Entertainment
7.2
Food
7.5
AMS
HKG
Good 7.5

Easy boarding, plenty of room

JNB
AMS
Excellent 8.0

Good multi media access and content

MAN
AMS
Excellent 8.0

Easy Boarding

AMS
YYZ
Excellent 9.0

Professional, welcoming and very friendly crew, well-maintained aircraft, comfortable seat and good food. Keep up the good work, KLM.

Not much to comment on here.

KRK
AMS
Mediocre 3.0

Flight way delayed 3 hours. Staff gave no information and wouldn't help rebook us onto other flights. They gave us food vouchers 2 minutes before we finally boarded, so we couldn't use them. The food on the plane had spoiled so we were all starving on the flight, and we all missed our connections. Horrible experience and wouldn't fly with KLM again.

Tue, 3 Apr
SEA
LCY
20h 50m
Thu, 12 Apr
LCY
SEA
16h 44m
C$ 910
Trip: 10 days
8.0ExcellentShow reviews
Overall 8.0 Excellent
Based on 17324 reviews
Overall
8.2
Boarding
8.2
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.7
BOS
MUC
Okay 5.3

Staff wasn’t particularly friendly, seats were the most uncomfortable ever

DTW
FRA
Mediocre 2.0

entertainment was not working! the flight to Frankfurt was late and I missed the connection to rome! crew told me to run for the connection but ad the gate they told me they had already put me on a later flight! no need to run like crazy across the airport if they had me already booked me on a later flight! missed my train connection in rome to bari...asked the airport lufthansa rep. to put me on a flight to bari but they told me they couldn't do it although there was a flight available!

IAH
FRA
Excellent 10.0

excellent service and crew

BOS
MUC
Excellent 9.3

Brand New plane. Great German entertainment. Crew were very efficient but didn't show up with drinks as often as in the past but still more often than other airlines. Overall a wonderful experience.

Took two hours to start dinner service without a reason. Turbulences and a passenger with long legs were impeading my sleep but not Lufthansa's fault.

MUC
ATH
Okay 5.3

They don’t have order while boarding No space for the carry on- they didn’t ask to check them for free.

Sat, 10 Mar
SEA
LCY
36h 43m
Fri, 16 Mar
LCY
SEA
35h 33m
C$ 887
Trip: 6 days
8.1ExcellentShow reviews
Overall 8.1 Excellent
Based on 5592 reviews
Overall
8.3
Boarding
8.3
Comfort
7.9
Crew
8.7
Entertainment
7.8
Food
8.0
LIS
ZRH
Good 6.0

I am a frequent flyer from HK to Western Europe and it’s a problem transversal to the majority of the airlines. Service quality drops significantly when coming to Asia. Flights to Europe provide exceptional service.

JFK
ZRH
Excellent 10.0

Crew was attentive and courteous. Everything from check in to landing was simple and streamlined.

DXB
MCT
Mediocre 2.6

Not on time at all. Toooooo late boarding

TXL
ZRH
Excellent 9.6

2 snacks .. friendly flight attendants .. early arrival

seat pitch a bit tight

LHR
ZRH
Excellent 10.0

I’ve flown SWISS Air twice in the past 6 years and I’ve never had an issue, always a great experience!

Sun, 11 Feb
SEA
LCY
15h 46m
Mon, 19 Feb
LCY
SEA
23h 17m
C$ 898
Trip: 9 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 1538 reviews
Overall
8.0
Boarding
8.0
Comfort
7.7
Crew
8.5
Entertainment
7.2
Food
7.5
CWL
AMS
Okay 5.6

Cabin crew very pleasant

Lost our bags, little sympathy from staff

AMS
IAH
Excellent 8.6

Old airplane with not really comfy seats. No outlets for charging devices. Very old entertainment screen.

ABZ
AMS
Excellent 10.0

Thankful for coffee being served without charge. Not all airlines do that.

KRK
AMS
Mediocre 3.0

Flight way delayed 3 hours. Staff gave no information and wouldn't help rebook us onto other flights. They gave us food vouchers 2 minutes before we finally boarded, so we couldn't use them. The food on the plane had spoiled so we were all starving on the flight, and we all missed our connections. Horrible experience and wouldn't fly with KLM again.

MAN
AMS
Excellent 8.0

Easy Boarding

Wed, 4 Apr
SEA
LCY
20h 50m
Thu, 12 Apr
LCY
SEA
16h 44m
C$ 910
Trip: 9 days
8.0ExcellentShow reviews
Overall 8.0 Excellent
Based on 17324 reviews
Overall
8.2
Boarding
8.2
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.7
JFK
MUC
Excellent 10.0

service crew

SEA
FRA
Excellent 10.0

Service , on time

EWR
FRA
Good 7.0

Luggage didn’t make a Lufthansa connection even though both flights w.

FRA
MAN
Okay 5.0

Good connection time and easy to get through security

Passports had to be checked and it delayed boarding. Everyone was frustrated

BOS
MUC
Excellent 9.3

Brand New plane. Great German entertainment. Crew were very efficient but didn't show up with drinks as often as in the past but still more often than other airlines. Overall a wonderful experience.

Took two hours to start dinner service without a reason. Turbulences and a passenger with long legs were impeading my sleep but not Lufthansa's fault.

Sun, 14 Jan
SEA
LCY
26h 46m
Mon, 22 Jan
LCY
SEA
22h 04m
C$ 1006
Trip: 9 days
Overall 0.0 Poor
Based on 0 reviews
Mon, 18 Jun
SEA
LCY
16h 29m
Mon, 13 Aug
LCY
SEA
34h 05m
C$ 1020
Trip: 57 days
7.3GoodShow reviews
Overall 7.3 Good
Based on 13992 reviews
Overall
7.5
Boarding
7.6
Comfort
7.2
Crew
8.0
Entertainment
7.0
Food
6.9
TXL
LHR
Mediocre 3.0

British Airways overbooked this flight and made it unclear if I can board my flight. Overbooking is such a greedy behavior and airlines should refrain from engaging in this dubious policy. It is the second time this happens to me with BA.

LCY
GLA
Good 6.0

Flight as always great

Delay made me miss two meetings

IND
ORD
Okay 4.0

Connecting flight experience - Had to wait in a line for around 5 hours just to speak with a customer service representative at the London airport because my previous flight was delayed and I had missed my connecting flight.

TLV
LHR
Excellent 8.6

Most things

LHR
AGP
Excellent 10.0

Simple no drama very professional, Good service, Food to suit almost every flavour and preference . Entertainiment is a 3 star cause There’s nothing there to be offered apart from newspaper and A magazine.

Child sitting behind me kept dropping the table and pushing it back up

Wed, 11 Apr
SEA
LCY
21h 40m
Wed, 25 Apr
LCY
SEA
41h 38m
C$ 892
Trip: 15 days
8.1ExcellentShow reviews
Overall 8.1 Excellent
Based on 5592 reviews
Overall
8.3
Boarding
8.3
Comfort
7.9
Crew
8.7
Entertainment
7.8
Food
8.0
JFK
ZRH
Excellent 10.0

Crew was attentive and courteous. Everything from check in to landing was simple and streamlined.

DXB
MCT
Good 7.6

Nice crew, nice plane

Late arrival at Dubai, late departure and late at final destination...No information given to passangers!

LIS
ZRH
Good 6.0

I am a frequent flyer from HK to Western Europe and it’s a problem transversal to the majority of the airlines. Service quality drops significantly when coming to Asia. Flights to Europe provide exceptional service.

DXB
MCT
Mediocre 2.6

Not on time at all. Toooooo late boarding

NCE
ZRH
Excellent 10.0

Easy check in. Crew efficient and personal attention.

Sat, 24 Feb
SEA
LCY
28h 15m
Sun, 11 Mar
LCY
SEA
25h 35m
C$ 898
Trip: 16 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 1538 reviews
Overall
8.0
Boarding
8.0
Comfort
7.7
Crew
8.5
Entertainment
7.2
Food
7.5
AMS
MAN
Excellent 8.0

quick and relaxed

AMS
HKG
Good 7.5

Easy boarding, plenty of room

ABZ
AMS
Excellent 10.0

Thankful for coffee being served without charge. Not all airlines do that.

CWL
AMS
Okay 5.6

Cabin crew very pleasant

Lost our bags, little sympathy from staff

AMS
IAH
Excellent 8.6

Old airplane with not really comfy seats. No outlets for charging devices. Very old entertainment screen.

Sun, 21 Jan
SEA
LCY
26h 46m
Mon, 29 Jan
LCY
SEA
21h 49m
C$ 1009
Trip: 9 days
Overall 0.0 Poor
Based on 0 reviews
Wed, 14 Feb
SEA
LCY
18h 35m
Fri, 23 Feb
LCY
SEA
21h 01m
C$ 932
Trip: 10 days
8.0ExcellentShow reviews
Overall 8.0 Excellent
Based on 17324 reviews
Overall
8.2
Boarding
8.2
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.7
MUC
ATH
Okay 5.3

They don’t have order while boarding No space for the carry on- they didn’t ask to check them for free.

BOS
MUC
Excellent 9.3

Brand New plane. Great German entertainment. Crew were very efficient but didn't show up with drinks as often as in the past but still more often than other airlines. Overall a wonderful experience.

Took two hours to start dinner service without a reason. Turbulences and a passenger with long legs were impeading my sleep but not Lufthansa's fault.

DTW
FRA
Mediocre 2.0

entertainment was not working! the flight to Frankfurt was late and I missed the connection to rome! crew told me to run for the connection but ad the gate they told me they had already put me on a later flight! no need to run like crazy across the airport if they had me already booked me on a later flight! missed my train connection in rome to bari...asked the airport lufthansa rep. to put me on a flight to bari but they told me they couldn't do it although there was a flight available!

JFK
MUC
Excellent 10.0

service crew

SFO
MUC
Excellent 9.6

Flight on time

Wed, 18 Apr
SEA
LCY
21h 40m
Wed, 2 May
LCY
SEA
22h 08m
C$ 892
Trip: 15 days
8.1ExcellentShow reviews
Overall 8.1 Excellent
Based on 5592 reviews
Overall
8.3
Boarding
8.3
Comfort
7.9
Crew
8.7
Entertainment
7.8
Food
8.0
JFK
ZRH
Excellent 8.0

The crew took very good care of us with food and drinks

Updates by the captain about the situation were too few, too infrequent.

LHR
ZRH
Excellent 10.0

I’ve flown SWISS Air twice in the past 6 years and I’ve never had an issue, always a great experience!

DXB
MCT
Mediocre 2.6

Not on time at all. Toooooo late boarding

JFK
GVA
Okay 4.0

Nothing.

The service was not great which surprised me for swiss. The flight attendant was absolutely not into work. The seats supposed to work.. wasn’t .. we had to switch the seats with no help and with the lights off. Awful .. of course they didn’t noticed so they didn’t woke me up for the breakfast. (And I’ve been asking for). Maybe was bad luck but that’s really ridiculous. During the flight they didn’t brought water or something we had to call them.

JFK
ZRH
Excellent 10.0

Crew was attentive and courteous. Everything from check in to landing was simple and streamlined.

Sun, 25 Feb
SEA
LCY
12h 06m
Mon, 5 Mar
LCY
SEA
31h 12m
C$ 898
Trip: 9 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 1538 reviews
Overall
8.0
Boarding
8.0
Comfort
7.7
Crew
8.5
Entertainment
7.2
Food
7.5
JNB
AMS
Excellent 8.0

Good multi media access and content

AMS
YYZ
Excellent 9.0

Professional, welcoming and very friendly crew, well-maintained aircraft, comfortable seat and good food. Keep up the good work, KLM.

Not much to comment on here.

MAN
AMS
Excellent 8.0

was very quick

AMS
MAN
Excellent 8.0

quick and relaxed

SFO
AMS
Okay 5.0

Crew was very helpful.food

Food was not upto the mark.

Sat, 27 Jan
SEA
LCY
26h 46m
Sun, 11 Feb
LCY
SEA
35h 39m
C$ 1013
Trip: 16 days
Overall 0.0 Poor
Based on 0 reviews
*
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