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Cheap flights from Portland to London from $243

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 4/14. 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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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.
Icelandair Logo
3:30 pm - 2:40 pm
PDX
-
LGW
15h 10m
1 stop
Icelandair Logo
3:40 pm - 6:00 pm
LGW
-
PDX
34h 20m
1 stop
$610Icelandair
Tue, Apr 14 - Tue, Apr 21
Icelandair Logo
3:30 pm - 2:40 pm
PDX
-
LGW
15h 10m
1 stop
Icelandair Logo
3:40 pm - 6:00 pm
LGW
-
PDX
34h 20m
1 stop
$615Icelandair
Tue, Apr 21 - Tue, Apr 28
Icelandair Logo
3:30 pm - 2:40 pm
PDX
-
LGW
15h 10m
1 stop
Icelandair Logo
3:40 pm - 6:00 pm
LGW
-
PDX
34h 20m
1 stop
$616Icelandair
Tue, Apr 14 - Thu, Apr 23
Icelandair Logo
3:30 pm - 2:40 pm
PDX
-
LGW
15h 10m
1 stop
Icelandair Logo
3:40 pm - 6:00 pm
LGW
-
PDX
34h 20m
1 stop
$620Icelandair
Mon, Apr 13 - Tue, Apr 21
Icelandair Logo
7:05 pm - 2:40 pm
PDX
-
LGW
11h 35m
1 stop
Icelandair Logo
3:40 pm - 5:55 pm
LGW
-
PDX
34h 15m
1 stop
$622Icelandair
Wed, Sep 2 - Thu, Oct 15
Icelandair Logo
3:30 pm - 2:40 pm
PDX
-
LGW
15h 10m
1 stop
Icelandair Logo
3:40 pm - 6:00 pm
LGW
-
PDX
34h 20m
1 stop
$623Icelandair
Mon, Apr 13 - Thu, Apr 30
Icelandair Logo
3:30 pm - 2:40 pm
PDX
-
LGW
15h 10m
1 stop
Icelandair Logo
3:40 pm - 6:00 pm
LGW
-
PDX
34h 20m
1 stop
$624Icelandair
Mon, Apr 13 - Thu, Apr 30
Icelandair Logo
3:30 pm - 2:40 pm
PDX
-
LGW
15h 10m
1 stop
Icelandair Logo
3:40 pm - 6:00 pm
LGW
-
PDX
34h 20m
1 stop
$628Icelandair
Mon, Apr 13 - Tue, May 12
Icelandair Logo
3:30 pm - 11:45 am
PDX
-
LGW
12h 15m
1 stop
Icelandair Logo
3:40 pm - 5:55 pm
LGW
-
PDX
34h 15m
1 stop
$631Icelandair
Sat, Aug 1 - Sat, Sep 5
Icelandair Logo
7:05 pm - 11:45 am
PDX
-
LGW
32h 40m
1 stop
Icelandair Logo
3:40 pm - 5:55 pm
LGW
-
PDX
34h 15m
1 stop
$633Icelandair
Fri, Aug 7 - Thu, Aug 27

Icelandair flights from Portland to London Gatwick Airport

Our best Icelandair deals on Portland to London Gatwick Airport flight tickets
Icelandair
Apr 14
PDX3:30 pmPortland
15h 10m
1 stop
LGW2:40 pmLondon Gatwick
Apr 21
LGW3:40 pmLondon Gatwick
34h 20m
1 stop
PDX6:00 pmPortland
$610
Icelandair
Apr 21
PDX3:30 pmPortland
15h 10m
1 stop
LGW2:40 pmLondon Gatwick
Apr 28
LGW3:40 pmLondon Gatwick
34h 20m
1 stop
PDX6:00 pmPortland
$615
Icelandair
Apr 14
PDX3:30 pmPortland
15h 10m
1 stop
LGW2:40 pmLondon Gatwick
Apr 23
LGW3:40 pmLondon Gatwick
34h 20m
1 stop
PDX6:00 pmPortland
$616

Turkish Airlines flights from Portland to London Gatwick Airport

Our best Turkish Airlines deals on Portland to London Gatwick Airport flight tickets
Turkish Airlines
Mar 14
PDX1:39 pmPortland
43h 31m
2 stops
LGW4:10 pmLondon Gatwick
Mar 21
LGW10:15 amLondon Gatwick
43h 49m
2 stops
PDX11:04 pmPortland
$1,331
Turkish Airlines
Mar 14
PDX1:39 pmPortland
43h 31m
2 stops
LGW4:10 pmLondon Gatwick
Mar 21
LGW10:15 amLondon Gatwick
43h 49m
2 stops
PDX11:04 pmPortland
$1,345
Turkish Airlines
Mar 11
PDX1:39 pmPortland
43h 31m
2 stops
LGW4:10 pmLondon Gatwick
Mar 16
LGW6:20 amLondon Gatwick
47h 44m
2 stops
PDX11:04 pmPortland
$1,404

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 March 10, 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

Tue 4/14

3:30 pm-2:40 pm

1 stop15h 10m

London Gatwick

Tue 4/21

3:40 pm-6:00 pm

1 stop34h 20m

$610

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 4/21

3:30 pm-2:40 pm

1 stop15h 10m

London Gatwick

Tue 4/28

3:40 pm-6:00 pm

1 stop34h 20m

$615

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 4/14

3:30 pm-2:40 pm

1 stop15h 10m

London Gatwick

Thu 4/23

3:40 pm-6:00 pm

1 stop34h 20m

$616

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 4/13

3:30 pm-2:40 pm

1 stop15h 10m

London Gatwick

Tue 4/21

3:40 pm-6:00 pm

1 stop34h 20m

$620
Quickest round-trip

PortlandLondon

PDX - LGW

PDXLGW

Portland

Wed 9/2

7:05 pm-2:40 pm

1 stop11h 35m

London Gatwick

Thu 10/15

3:40 pm-5:55 pm

1 stop34h 15m

$622

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 4/13

3:30 pm-2:40 pm

1 stop15h 10m

London Gatwick

Thu 4/30

3:40 pm-6:00 pm

1 stop34h 20m

$623

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 4/13

3:30 pm-2:40 pm

1 stop15h 10m

London Gatwick

Thu 4/30

3:40 pm-6:00 pm

1 stop34h 20m

$624

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 4/13

3:30 pm-2:40 pm

1 stop15h 10m

London Gatwick

Tue 5/12

3:40 pm-6:00 pm

1 stop34h 20m

$628

PortlandLondon

PDX - LGW

PDXLGW

Portland

Sat 8/1

3:30 pm-11:45 am

1 stop12h 15m

London Gatwick

Sat 9/5

3:40 pm-5:55 pm

1 stop34h 15m

$631

PortlandLondon

PDX - LGW

PDXLGW

Portland

Fri 8/7

7:05 pm-11:45 am

1 stop32h 40m

London Gatwick

Thu 8/27

3:40 pm-5:55 pm

1 stop34h 15m

$633

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 typical price of a round-trip flight between Portland and London Gatwick Airport?

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

11h 35m

Direct flights

None
The fastest flight from Portland to London Gatwick Airport takes 11h 35m
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 $489Free CancellationRating
7.1
619 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
Crawley
Hayes
Wembley
Dartford
Croydon
Brentwood
Harrow
Watford
Guildford
Stansted
Cobham
Folkestone
Romford
Richmond

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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