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Cheap flights from Portland to London from $278

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to London departing on 3/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
10:47 am - 5:50 pm
PDX
-
LGW
23h 03m2 stops
SWISS Logo
6:40 pm - 10:32 pm
LGW
-
PDX
35h 52m2 stops
$604SWISS
mié., ene. 21 - mié., ene. 28
Multiple Airlines Logo
7:05 am - 7:30 am
PDX
-
LGW
16h 25m1 stop
Multiple Airlines Logo
11:20 am - 11:45 am
LGW
-
PDX
32h 25m2 stops
$629Multiple Airlines
mar., ene. 20 - mar., ene. 27
SWISS Logo
10:47 am - 5:50 pm
PDX
-
LGW
47h 03m2 stops
SWISS Logo
6:40 pm - 10:32 pm
LGW
-
PDX
35h 52m2 stops
$663SWISS
sáb., ene. 17 - sáb., ene. 24
SWISS Logo
10:47 am - 5:50 pm
PDX
-
LGW
47h 03m2 stops
SWISS Logo
6:40 pm - 10:32 pm
LGW
-
PDX
35h 52m2 stops
$674SWISS
mié., ene. 14 - mié., ene. 21
Multiple Airlines Logo
7:05 am - 7:30 am
PDX
-
LGW
16h 25m1 stop
Multiple Airlines Logo
12:30 pm - 1:21 pm
LGW
-
PDX
32h 51m2 stops
$689Multiple Airlines
sáb., ene. 17 - sáb., ene. 24
Icelandair Logo
2:45 pm - 10:55 am
PDX
-
LGW
12h 10m1 stop
Icelandair Logo
11:55 am - 5:00 pm
LGW
-
PDX
13h 05m1 stop
$724Icelandair
mar., dic. 9 - lun., dic. 15
Multiple Airlines Logo
9:10 am - 10:55 am
PDX
-
LGW
17h 45m2 stops
Multiple Airlines Logo
11:55 am - 8:47 pm
LGW
-
PDX
16h 52m2 stops
$728Multiple Airlines
dom., ene. 11 - dom., ene. 25
Icelandair Logo
8:30 am - 10:55 am
PDX
-
LGW
18h 25m2 stops
Icelandair Logo
11:55 am - 6:00 pm
LGW
-
PDX
13h 05m1 stop
$736Icelandair
lun., mar. 2 - vie., mar. 13
SWISS Logo
10:47 am - 5:50 pm
PDX
-
LGW
23h 03m2 stops
SWISS Logo
6:40 pm - 10:32 pm
LGW
-
PDX
35h 52m2 stops
$781SWISS
mié., ene. 21 - dom., ene. 25
Multiple Airlines Logo
7:00 pm - 9:45 am
PDX
-
LGW
30h 45m2 stops
Multiple Airlines Logo
11:40 am - 9:15 am
LGW
-
PDX
29h 35m2 stops
$812Multiple Airlines
jue., feb. 5 - lun., feb. 9

SWISS flights from Portland to London Gatwick Airport

Our best SWISS deals on Portland to London Gatwick Airport flight tickets
SWISS
Jan 21
PDX10:47 amPortland
23h 03m
2 stops
LGW5:50 pmLondon Gatwick
Jan 28
LGW6:40 pmLondon Gatwick
35h 52m
2 stops
PDX10:32 pmPortland
$604
Find similar
SWISS
Jan 17
PDX10:47 amPortland
47h 03m
2 stops
LGW5:50 pmLondon Gatwick
Jan 24
LGW6:40 pmLondon Gatwick
35h 52m
2 stops
PDX10:32 pmPortland
$663
Find similar
SWISS
Jan 14
PDX10:47 amPortland
47h 03m
2 stops
LGW5:50 pmLondon Gatwick
Jan 21
LGW6:40 pmLondon Gatwick
35h 52m
2 stops
PDX10:32 pmPortland
$674
Find similar

Icelandair flights from Portland to London Gatwick Airport

Our best Icelandair deals on Portland to London Gatwick Airport flight tickets
Icelandair
May 5
PDX3:30 pmPortland
15h 10m
1 stop
LGW2:40 pmLondon Gatwick
May 22
LGW3:40 pmLondon Gatwick
28h 05m
1 stop
PDX11:45 amPortland
$596
Find similar
Icelandair
May 5
PDX3:30 pmPortland
15h 10m
1 stop
LGW2:40 pmLondon Gatwick
May 22
LGW3:40 pmLondon Gatwick
28h 05m
1 stop
PDX11:45 amPortland
$598
Find similar
Icelandair
May 2
PDX3:30 pmPortland
12h 15m
1 stop
LGW11:45 amLondon Gatwick
May 22
LGW3:40 pmLondon Gatwick
28h 05m
1 stop
PDX11:45 amPortland
$602
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to London Gatwick Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated diciembre 4, 2025.
Use the filters below to find and compare flights from Portland to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLondon

PDX - LGW

PDXLGW

Portland

mié. 1/21

10:47 am-5:50 pm

2 stops23h 03m

London Gatwick

mié. 1/28

6:40 pm-10:32 pm

2 stops35h 52m

$604

PortlandLondon

PDX - LGW

PDXLGW

Portland

mar. 1/20

7:05 am-7:30 am

1 stop16h 25m

London Gatwick

mar. 1/27

11:20 am-11:45 am

2 stops32h 25m

$629

PortlandLondon

PDX - LGW

PDXLGW

Portland

sáb. 1/17

10:47 am-5:50 pm

2 stops47h 03m

London Gatwick

sáb. 1/24

6:40 pm-10:32 pm

2 stops35h 52m

$663

PortlandLondon

PDX - LGW

PDXLGW

Portland

mié. 1/14

10:47 am-5:50 pm

2 stops47h 03m

London Gatwick

mié. 1/21

6:40 pm-10:32 pm

2 stops35h 52m

$674

PortlandLondon

PDX - LGW

PDXLGW

Portland

sáb. 1/17

7:05 am-7:30 am

1 stop16h 25m

London Gatwick

sáb. 1/24

12:30 pm-1:21 pm

2 stops32h 51m

$689

PortlandLondon

PDX - LGW

PDXLGW

Portland

mar. 12/9

2:45 pm-10:55 am

1 stop12h 10m

London Gatwick

lun. 12/15

11:55 am-5:00 pm

1 stop13h 05m

$724

PortlandLondon

PDX - LGW

PDXLGW

Portland

dom. 1/11

9:10 am-10:55 am

2 stops17h 45m

London Gatwick

dom. 1/25

11:55 am-8:47 pm

2 stops16h 52m

$728

PortlandLondon

PDX - LGW

PDXLGW

Portland

lun. 3/2

8:30 am-10:55 am

2 stops18h 25m

London Gatwick

vie. 3/13

11:55 am-6:00 pm

1 stop13h 05m

$736

PortlandLondon

PDX - LGW

PDXLGW

Portland

mié. 1/21

10:47 am-5:50 pm

2 stops23h 03m

London Gatwick

dom. 1/25

6:40 pm-10:32 pm

2 stops35h 52m

$781

PortlandLondon

PDX - LGW

PDXLGW

Portland

jue. 2/5

7:00 pm-9:45 am

2 stops30h 45m

London Gatwick

lun. 2/9

11:40 am-9:15 am

2 stops29h 35m

$812

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Portland to London Gatwick Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart from Portland to London Gatwick Airport is on a Thursday when prices can be found for as low as $667. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Monday is $1,206.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Flying to London Gatwick Airport from Portland in the morning is the least expensive time of day to depart. momondo users have found prices as low as $772 when looking at flights departing in the morning. At noon is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $913 per ticket.

When to book flights from Portland to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to London Gatwick Airport (PDX to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to London Gatwick Airport

Fastest flight time

12h 10m

Direct flights

None
The fastest flight from Portland to London Gatwick Airport takes 12h 10m
There are no direct flights from Portland to London Gatwick Airport. There are no popular flight routes from Portland to London Gatwick Airport.
Search flight deals

  • How far is Portland to London Gatwick by plane?

    Portland and London Gatwick are 4926.9 mi apart from one another. Flights usually cover this in 11h 35m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Portland Airport to London Gatwick Airport?

    Prices for flights from Portland Airport to London Gatwick Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to London Gatwick Airport?

  • How old do you have to be to fly from Portland Airport to London Gatwick Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The travel and health documents you'll need for your trip to London Gatwick Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland to London Gatwick Airport?

Best airlines flying from Portland to London Gatwick Airport

Compare and see reviews for airlines that fly from Portland to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $519Free CancellationRating
7.0
584 reviews
Search Icelandair flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Wembley
Romford
Watford
Ilford
Cobham
Folkestone
Uxbridge
Stansted
Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Portland to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to London. momondo saves you time and could save you money on your trip.

Can I find flights from Portland to London with flexible booking policies on momondo?

Yes. All flights to London from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to London?

Once all potential Portland to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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