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Cheap flights from Portland to London from $269

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 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
9:50 am - 9:05 pmPDX-LGW
27h 15m3 stops
Multiple Airlines Logo
5:45 pm - 6:30 pmLGW-PDX
32h 45m3 stops
$549Multiple Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
Multiple Airlines Logo
2:45 pm - 10:10 pmPDX-LGW
23h 25m2 stops
Multiple Airlines Logo
8:45 am - 5:00 pmLGW-PDX
16h 15m2 stops
$568Multiple Airlines
Find Deal
Sat, Nov 29 - Sun, Dec 7
American Airlines Logo
6:00 am - 9:00 amPDX-LGW
19h 00m2 stops
American Airlines Logo
12:30 pm - 12:13 pmLGW-PDX
31h 43m2 stops
$570American Airlines
Find Deal
Sun, Feb 8 - Wed, Feb 25
Multiple Airlines Logo
2:45 pm - 4:20 pmPDX-LGW
17h 35m2 stops
Multiple Airlines Logo
7:30 pm - 5:00 pmLGW-PDX
29h 30m3 stops
$584Multiple Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
Icelandair Logo
2:45 pm - 10:55 amPDX-LGW
12h 10m1 stop
Icelandair Logo
11:55 am - 5:00 pmLGW-PDX
13h 05m1 stop
$605Icelandair
Find Deal
Mon, Nov 24 - Fri, Nov 28
Multiple Airlines Logo
2:45 pm - 10:10 pmPDX-LGW
23h 25m2 stops
Multiple Airlines Logo
7:35 pm - 5:00 pmLGW-PDX
29h 25m3 stops
$606Multiple Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
Icelandair Logo
3:45 pm - 2:40 pmPDX-LGW
14h 55m1 stop
Icelandair Logo
3:40 pm - 6:00 pmLGW-PDX
34h 20m1 stop
$610Icelandair
Find Deal
Mon, Apr 6 - Tue, Apr 21
Multiple Airlines Logo
2:45 pm - 7:40 pmPDX-LGW
20h 55m2 stops
Multiple Airlines Logo
8:00 am - 5:00 pmLGW-PDX
17h 00m2 stops
$615Multiple Airlines
Find Deal
Mon, Nov 10 - Mon, Nov 17
SWISS Logo
10:52 am - 5:50 pmPDX-LGW
22h 58m2 stops
SWISS Logo
6:40 pm - 10:36 pmLGW-PDX
35h 56m2 stops
$656SWISS
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Wed, Nov 12 - Wed, Nov 19
SWISS Logo
10:47 am - 5:50 pmPDX-LGW
23h 03m2 stops
SWISS Logo
6:40 pm - 10:32 pmLGW-PDX
35h 52m2 stops
$663SWISS
Find Deal
Tue, Jan 20 - Sat, Jan 31

Icelandair flights from Portland to London Gatwick Airport

Our best Icelandair deals on Portland to London Gatwick Airport flight tickets
Icelandair
Nov 24
PDX2:45 pmPortland
12h 10m
1 stop
LGW10:55 amLondon Gatwick
Nov 28
LGW11:55 amLondon Gatwick
13h 05m
1 stop
PDX5:00 pmPortland
$605
Find similar
Icelandair
Apr 6
PDX3:45 pmPortland
14h 55m
1 stop
LGW2:40 pmLondon Gatwick
Apr 21
LGW3:40 pmLondon Gatwick
34h 20m
1 stop
PDX6:00 pmPortland
$610
Find similar
Icelandair
Mar 31
PDX3:45 pmPortland
14h 55m
1 stop
LGW2:40 pmLondon Gatwick
Apr 5
LGW3:40 pmLondon Gatwick
34h 20m
1 stop
PDX6:00 pmPortland
$653
Find similar

SWISS flights from Portland to London Gatwick Airport

Our best SWISS deals on Portland to London Gatwick Airport flight tickets
SWISS
Nov 12
PDX10:52 amPortland
22h 58m
2 stops
LGW5:50 pmLondon Gatwick
Nov 19
LGW6:40 pmLondon Gatwick
35h 56m
2 stops
PDX10:36 pmPortland
$656
Find similar
SWISS
Jan 20
PDX10:47 amPortland
23h 03m
2 stops
LGW5:50 pmLondon Gatwick
Jan 31
LGW6:40 pmLondon Gatwick
35h 52m
2 stops
PDX10:32 pmPortland
$663
Find similar
SWISS
Oct 22
PDX10:46 amPortland
23h 09m
2 stops
LGW5:55 pmLondon Gatwick
Oct 30
LGW6:40 pmLondon Gatwick
34h 53m
2 stops
PDX10:33 pmPortland
$675
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 October 16, 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

Tue 11/11

9:50 am-9:05 pm

3 stops27h 15m

London Gatwick

Tue 11/18

5:45 pm-6:30 pm

3 stops32h 45m

$549

PortlandLondon

PDX - LGW

PDXLGW

Portland

Sat 11/29

2:45 pm-10:10 pm

2 stops23h 25m

London Gatwick

Sun 12/7

8:45 am-5:00 pm

2 stops16h 15m

$568

PortlandLondon

PDX - LGW

PDXLGW

Portland

Sun 2/8

6:00 am-9:00 am

2 stops19h 00m

London Gatwick

Wed 2/25

12:30 pm-12:13 pm

2 stops31h 43m

$570

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 11/11

2:45 pm-4:20 pm

2 stops17h 35m

London Gatwick

Tue 11/18

7:30 pm-5:00 pm

3 stops29h 30m

$584

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 11/24

2:45 pm-10:55 am

1 stop12h 10m

London Gatwick

Fri 11/28

11:55 am-5:00 pm

1 stop13h 05m

$605

PortlandLondon

PDX - LGW

PDXLGW

Portland

Sat 11/29

2:45 pm-10:10 pm

2 stops23h 25m

London Gatwick

Sat 12/6

7:35 pm-5:00 pm

3 stops29h 25m

$606

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 4/6

3:45 pm-2:40 pm

1 stop14h 55m

London Gatwick

Tue 4/21

3:40 pm-6:00 pm

1 stop34h 20m

$610

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 11/10

2:45 pm-7:40 pm

2 stops20h 55m

London Gatwick

Mon 11/17

8:00 am-5:00 pm

2 stops17h 00m

$615

PortlandLondon

PDX - LGW

PDXLGW

Portland

Wed 11/12

10:52 am-5:50 pm

2 stops22h 58m

London Gatwick

Wed 11/19

6:40 pm-10:36 pm

2 stops35h 56m

$656

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 1/20

10:47 am-5:50 pm

2 stops23h 03m

London Gatwick

Sat 1/31

6:40 pm-10:32 pm

2 stops35h 52m

$663

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

Direct flights

None
There are no direct flights from Portland to London Gatwick Airport. There are no popular flight routes from Portland to London Gatwick Airport.
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  • 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 $519Free CancellationRating
7.0
556 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
Luton
Dover
Slough
Guildford
Dartford
Crawley
Hayes
Brentwood
Chelmsford
Colchester
Folkestone
Romford
Ilford
Cobham
Wembley
Stansted
Watford

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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