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Cheap flights from Portland to London from $251

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 10/5. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Portland to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 9:00 am
PDX
-
LGW
19h 00m
2 stops
Delta Logo
11:00 am - 8:50 pm
LGW
-
PDX
17h 50m
2 stops
$896Delta
Sun, Nov 1 - Wed, Mar 31
SWISS Logo
10:47 am - 5:50 pm
PDX
-
LGW
23h 03m
2 stops
SWISS Logo
6:40 pm - 9:02 pm
LGW
-
PDX
34h 22m
2 stops
$899SWISS
Wed, Nov 4 - Wed, Nov 18
Multiple Airlines Logo
3:30 pm - 2:40 pm
PDX
-
LGW
15h 10m
1 stop
Multiple Airlines Logo
8:45 pm - 5:55 pm
LGW
-
PDX
29h 10m
3 stops
$903Multiple Airlines
Wed, Sep 23 - Tue, Sep 29
Icelandair Logo
3:30 pm - 2:40 pm
PDX
-
LGW
15h 10m
1 stop
Icelandair Logo
11:55 am - 5:00 pm
LGW
-
PDX
13h 05m
1 stop
$904Icelandair
Sat, Oct 24 - Sun, Nov 1
Multiple Airlines Logo
10:10 am - 11:05 am
PDX
-
LGW
16h 55m
2 stops
Multiple Airlines Logo
8:45 pm - 2:46 pm
LGW
-
PDX
26h 01m
3 stops
$905Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
3:30 pm - 6:50 pm
PDX
-
LGW
19h 20m
1 stop
Multiple Airlines Logo
10:20 am - 7:50 pm
LGW
-
PDX
17h 30m
2 stops
$906Multiple Airlines
Mon, Aug 17 - Tue, Sep 8
Condor Logo
3:35 pm - 2:45 pm
PDX
-
LGW
15h 10m
1 stop
Condor Logo
7:35 pm - 1:10 pm
LGW
-
PDX
25h 35m
1 stop
$907Condor
Thu, Aug 27 - Sun, Sep 6
Condor Logo
3:30 pm - 2:40 pm
PDX
-
LGW
15h 10m
1 stop
Condor Logo
7:40 pm - 1:35 pm
LGW
-
PDX
25h 55m
1 stop
$909Condor
Mon, Sep 7 - Wed, Sep 16
Multiple Airlines Logo
3:10 pm - 6:45 pm
PDX
-
LGW
19h 35m
1 stop
Multiple Airlines Logo
10:20 am - 7:50 pm
LGW
-
PDX
17h 30m
2 stops
$910Multiple Airlines
Sat, Sep 5 - Thu, Sep 17
Multiple Airlines Logo
7:00 pm - 11:45 am
PDX
-
LGW
32h 45m
1 stop
Multiple Airlines Logo
12:40 pm - 9:31 am
LGW
-
PDX
28h 51m
3 stops
$911Multiple Airlines
Fri, Sep 4 - Fri, Sep 18

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Delta flights from Portland to London Gatwick Airport

Our best Delta deals on Portland to London Gatwick Airport flight tickets
Delta
Nov 1
PDX6:00 amPortland
19h 00m
2 stops
LGW9:00 amLondon Gatwick
Mar 31
LGW11:00 amLondon Gatwick
17h 50m
2 stops
PDX8:50 pmPortland
$896
Delta
Nov 3
PDX6:00 amPortland
19h 00m
2 stops
LGW9:00 amLondon Gatwick
Nov 15
LGW10:00 amLondon Gatwick
20h 04m
2 stops
PDX10:04 pmPortland
$946
Delta
Nov 3
PDX6:00 amPortland
19h 00m
2 stops
LGW9:00 amLondon Gatwick
Nov 15
LGW10:00 amLondon Gatwick
20h 04m
2 stops
PDX10:04 pmPortland
$947

SWISS flights from Portland to London Gatwick Airport

Our best SWISS deals on Portland to London Gatwick Airport flight tickets
SWISS
Nov 4
PDX8:40 amPortland
25h 10m
2 stops
LGW5:50 pmLondon Gatwick
Nov 18
LGW6:40 pmLondon Gatwick
35h 47m
2 stops
PDX10:27 pmPortland
$899
SWISS
Sep 6
PDX8:15 amPortland
25h 35m
2 stops
LGW5:50 pmLondon Gatwick
Sep 14
LGW6:35 pmLondon Gatwick
36h 17m
2 stops
PDX10:52 pmPortland
$919
SWISS
Sep 6
PDX8:15 amPortland
25h 35m
2 stops
LGW5:50 pmLondon Gatwick
Sep 14
LGW6:35 pmLondon Gatwick
36h 17m
2 stops
PDX10:52 pmPortland
$920

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 July 26, 2026.
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

Cheapest round-trip

PortlandLondon

PDX - LGW

PDXLGW

Portland

Sun 11/1

6:00 am-9:00 am

2 stops19h 00m

London Gatwick

Wed 3/31

11:00 am-8:50 pm

2 stops17h 50m

$896

PortlandLondon

PDX - LGW

PDXLGW

Portland

Wed 11/4

10:47 am-5:50 pm

2 stops23h 03m

London Gatwick

Wed 11/18

6:40 pm-9:02 pm

2 stops34h 22m

$899

PortlandLondon

PDX - LGW

PDXLGW

Portland

Wed 9/23

3:30 pm-2:40 pm

1 stop15h 10m

London Gatwick

Tue 9/29

8:45 pm-5:55 pm

3 stops29h 10m

$903
Quickest round-trip

PortlandLondon

PDX - LGW

PDXLGW

Portland

Sat 10/24

3:30 pm-2:40 pm

1 stop15h 10m

London Gatwick

Sun 11/1

11:55 am-5:00 pm

1 stop13h 05m

$904

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 9/8

10:10 am-11:05 am

2 stops16h 55m

London Gatwick

Tue 9/15

8:45 pm-2:46 pm

3 stops26h 01m

$905

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 8/17

3:30 pm-6:50 pm

1 stop19h 20m

London Gatwick

Tue 9/8

10:20 am-7:50 pm

2 stops17h 30m

$906

PortlandLondon

PDX - LGW

PDXLGW

Portland

Thu 8/27

3:35 pm-2:45 pm

1 stop15h 10m

London Gatwick

Sun 9/6

7:35 pm-1:10 pm

1 stop25h 35m

$907

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 9/7

3:30 pm-2:40 pm

1 stop15h 10m

London Gatwick

Wed 9/16

7:40 pm-1:35 pm

1 stop25h 55m

$909

PortlandLondon

PDX - LGW

PDXLGW

Portland

Sat 9/5

3:10 pm-6:45 pm

1 stop19h 35m

London Gatwick

Thu 9/17

10:20 am-7:50 pm

2 stops17h 30m

$910

PortlandLondon

PDX - LGW

PDXLGW

Portland

Fri 9/4

7:00 pm-11:45 am

1 stop32h 45m

London Gatwick

Fri 9/18

12:40 pm-9:31 am

3 stops28h 51m

$911

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 airline that flies from Portland to London Gatwick?

Delta and JetBlue are the most popular carriers operating from Portland to London Gatwick

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

Frequently asked questions about flying from Portland to London Gatwick Airport

  • 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 12h 10m, 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 $472Free CancellationRating
7.0
716 reviews
Search Icelandair flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Dover
Crawley
Wembley
Croydon
Stansted
Kingston upon Thames
Watford
Slough
Harrow
Brentwood
Cobham
Romford
Uxbridge
Guildford
Worthing

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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