Cheap Flights from Portland to London
Browse current best options from Portland. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Portland
RatePunk searches hundreds of travel sites at once for deals on flights to London
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Portland to London
Explore current cheapest deals departing from Portland to London
Round trip
Sort by: Cheapest
October 19 - October 26
PDX - London
$848
$605
Round trip
September 21 - September 29
PDX - London
$761
$613
Round trip
August 16 - August 28
PDX - London
$916
$623
Round trip
September 4 - September 11
PDX - London
$817
$626
Round trip
October 7 - October 21
PDX - London
$831
$646
Round trip
August 19 - August 26
PDX - London
$922
$648
Round trip
October 5 - October 14
PDX - London
$827
$649
Round trip
November 2 - November 8
PDX - London
$779
$651
Round trip
September 4 - September 15
PDX - London
$788
$655
Round trip
August 20 - August 28
PDX - London
$934
$658
Round trip
Unlock all 500+ flight deals to London and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Portland to London
How much is a round trip from Portland to London
Regular price: $725 - $1,825
Prices are currently below the regular range for flights from Portland to London.
The regular price range for flights from Portland to London is $725 to $1825. The current lowest deal is $605 with Icelandair for travel from Oct 19-Oct 26.
now $605
Low $725
High $1,825
The cheapest time to fly from Portland to London
Flights from Portland to London are cheapest in February, with a median price of $540. The most expensive month to fly is December, with a median price of $1324. Prices are generally lower from January to November.
February
Flights from $540
December
Flights from $1,324
Direct flights from Portland to London
Finnair
Last-minute flights going from Portland to London
Tue, Jul 7
PDX - London
Portland (PDX) - London (LTN)
KLM
$1,059
$887
One-way
Tue, Jul 14
PDX - London
Portland (PDX) - London (LGW)
Icelandair
$986
$805
One-way
Wed, Jul 15
PDX - London
Portland (PDX) - London (LGW)
Icelandair
$1,002
$843
One-way
Fri, Jul 17
PDX - London
Portland (PDX) - London (LGW)
Icelandair
$1,002
$822
One-way
Sat, Aug 1
PDX - London
Portland (PDX) - London (STN)
Icelandair
$879
$753
One-way
Sun, Aug 2
PDX - London
Portland (PDX) - London (STN)
Icelandair
$887
$667
One-way
Biggest price drops on these dates for flights from Portland to London
Aug 20 - Aug 24
$979 → $669
32%
Aug 16 - Aug 28
$916 → $623
32%
Aug 20 - Aug 28
$934 → $658
30%
Aug 19 - Aug 26
$922 → $648
30%
Popular Airports to fly from Portland to London
Portland - London route insights
💸 Price insights
Recent fares are above the typical level.
Recent fares from Portland to London are above the typical level, with a median price of $809.
📅 Best time to fly
Fly in February for the best prices.
Historically, February is the cheapest month to fly, with a median price of $540.
⏱️ Flight duration
Flights typically take 26h 40m.
The median flight duration from Portland to London is 26 hours and 40 minutes.
✈️ Airlines & availability
Connecting flights are dominant.
Only 0.7% of deals are direct, with connecting flights having a median of 2 stopovers.
🏆 Airline highlight
Finnair offers direct flights.
Finnair is an airline that has offered direct flights on the Portland to London route.
🎯 Booking tip
Deals are frequent for this route.
Historically, deals for flights from Portland to London appear frequently, averaging 1.03 per day.
Portland main airports to depart from
Portland International (PDX)
Portland International Airport is a convenient departure point for flights to London, offering competitive prices.
📍 ~10 km from Portland city center (reachable by car or public transport)
💸 Flights from ~$605
London main airports to arrive at
London Stansted (STN)
London Stansted is a good option for flights to London, with prices from $605.
📍 ~48 km from city center
💸 Flights from ~$605
Gatwick (LGW)
Gatwick is a convenient choice for flights to London, with prices from $613.
📍 ~40 km from city center
💸 Flights from ~$613
Heathrow (LHR)
Heathrow is a major airport for flights to London, with prices from $649.
📍 ~23 km from city center
💸 Flights from ~$649
London City (LCY)
London City is a central option for flights to London, with prices from $900.
📍 ~10 km from city center
💸 Flights from ~$900
London Southend (SEN)
London Southend offers another choice for flights to London, with prices from $873.
📍 ~58 km from city center
💸 Flights from ~$873
Luton (LTN)
Luton is an alternative for flights to London, with prices from $717.
📍 ~45 km from city center
💸 Flights from ~$717
Airports nearby London used as alternative
Birmingham (BHX)
Birmingham Airport is a major international hub with diverse long-haul and short-haul destinations, offering high reliability and frequency.
📍 ~160 km from London (reachable by rail)
💸 Flights from ~$750
Southampton (SOU)
Southampton Airport is the closest alternative, offering direct rail links and faster security processes than major hubs.
📍 ~110 km from London (reachable by rail)
💸 Flights from ~$868
Bristol (BRS)
Bristol Airport offers a large selection of low-cost carrier routes across Europe and good accessibility.
📍 ~170 km from London (reachable by coach or rail)
💸 Flights from ~$744
East Midlands (EMA)
East Midlands Airport has a strong presence of budget airlines and is easily accessible for those driving from North London.
📍 ~170 km from London (reachable by car)
💸 Flights from ~$924
Bournemouth (BOH)
Bournemouth Airport is an alternative for travelers in South West London, offering a less crowded environment.
📍 ~150 km from London (reachable by car)
💸 Flights from ~$1037
Business & First Class Flight Deals to London
Discover luxury on the budget with premium cabin class on flights from Portland to London.
Elite
Best Elite deals to London
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From PDX
Elite
Nov 28
London, United Kingdom
95% AI deal score
$6,064
$3,014
Save $3,050
From PDX
Elite
Nov 14
London, United Kingdom
95% AI deal score
$6,499
$3,147
Save $3,352
From PDX
Elite
Oct 19
London, United Kingdom
94% AI deal score
$6,414
$3,027
Save $3,387
From PDX
Elite
Nov 30
London, United Kingdom
94% AI deal score
$5,994
$3,028
Save $2,966
From PDX
Elite
Oct 10
London, United Kingdom
94% AI deal score
$6,422
$3,068
Save $3,354
From PDX
Elite
Nov 26
London, United Kingdom
94% AI deal score
$6,159
$3,147
Save $3,012
From PDX
Elite
Nov 03
London, United Kingdom
94% AI deal score
$6,405
$3,297
Save $3,108
From PDX
Elite
Nov 23
London, United Kingdom
94% AI deal score
$6,360
$3,297
Save $3,063
From PDX
Elite
Nov 02
London, United Kingdom
94% AI deal score
$6,631
$3,300
Save $3,331
From PDX
Elite
Nov 09
London, United Kingdom
94% AI deal score
$6,544
$3,300
Save $3,244
From PDX
Elite
Nov 02
London, United Kingdom
94% AI deal score
$6,418
$3,300
Save $3,118
From PDX
Elite
Nov 16
London, United Kingdom
94% AI deal score
$6,449
$3,302
Save $3,147
From PDX
Elite
Nov 24
London, United Kingdom
94% AI deal score
$6,163
$3,302
Save $2,861
From PDX
Elite
Nov 17
London, United Kingdom
94% AI deal score
$6,451
$3,302
Save $3,149
From PDX
Elite
Nov 03
London, United Kingdom
94% AI deal score
$6,560
$3,306
Save $3,254
From PDX
Elite
Nov 03
London, United Kingdom
94% AI deal score
$6,513
$3,306
Save $3,207
From PDX
Elite
Nov 02
London, United Kingdom
94% AI deal score
$6,532
$3,308
Save $3,224
From PDX
Elite
Oct 21
London, United Kingdom
93% AI deal score
$4,702
$2,727
Save $1,975
From PDX
Elite
Nov 17
London, United Kingdom
93% AI deal score
$6,467
$2,745
Save $3,722
From PDX
Elite
Oct 22
London, United Kingdom
93% AI deal score
$6,271
$3,278
Save $2,993
From PDX
Elite
Oct 19
London, United Kingdom
92% AI deal score
$6,434
$2,745
Save $3,689
From PDX
Elite
Oct 22
London, United Kingdom
92% AI deal score
$4,604
$2,778
Save $1,826
From PDX
Elite
Nov 23
London, United Kingdom
92% AI deal score
$6,348
$2,962
Save $3,386
From PDX
Elite
Nov 09
London, United Kingdom
92% AI deal score
$6,544
$2,964
Save $3,580
From PDX
Elite
Nov 17
London, United Kingdom
92% AI deal score
$6,499
$2,967
Save $3,532
From PDX
Elite
Nov 10
London, United Kingdom
92% AI deal score
$6,544
$2,967
Save $3,577
From PDX
Elite
Nov 24
London, United Kingdom
92% AI deal score
$6,215
$2,967
Save $3,248
From PDX
Elite
Nov 16
London, United Kingdom
92% AI deal score
$6,499
$2,967
Save $3,532
From PDX
Elite
Nov 16
London, United Kingdom
92% AI deal score
$6,462
$2,969
Save $3,493
From PDX
Elite
Nov 23
London, United Kingdom
92% AI deal score
$6,367
$2,977
Save $3,390
From PDX
Elite
Nov 09
London, United Kingdom
92% AI deal score
$6,458
$2,977
Save $3,481
From PDX
Elite
Nov 12
London, United Kingdom
92% AI deal score
$6,538
$3,012
Save $3,526
From PDX
Elite
Nov 16
London, United Kingdom
92% AI deal score
$6,449
$3,027
Save $3,422
From PDX
Elite
Jul 13
London, United Kingdom
92% AI deal score
$2,967
$1,869
Save $1,098
From PDX
Elite
Jul 20
London, United Kingdom
92% AI deal score
$2,959
$1,869
Save $1,090
From PDX
Elite
Jul 27
London, United Kingdom
92% AI deal score
$2,929
$1,869
Save $1,060
From PDX
Elite
Aug 08
London, United Kingdom
92% AI deal score
$3,021
$1,869
Save $1,152
From PDX
Elite
Dec 08
London, United Kingdom
92% AI deal score
$2,810
$2,133
Save $677
From PDX
Elite
Nov 10
London, United Kingdom
91% AI deal score
$4,376
$2,962
Save $1,414
From PDX
Elite
Nov 17
London, United Kingdom
91% AI deal score
$4,352
$2,964
Save $1,388
From PDX
Elite
Nov 24
London, United Kingdom
91% AI deal score
$4,340
$2,964
Save $1,376
From PDX
Elite
Oct 14
London, United Kingdom
91% AI deal score
$4,709
$2,977
Save $1,732
From PDX
Elite
Nov 19
London, United Kingdom
91% AI deal score
$4,372
$3,012
Save $1,360
From PDX
Elite
Nov 16
London, United Kingdom
91% AI deal score
$4,440
$3,012
Save $1,428
From PDX
Elite
Nov 26
London, United Kingdom
91% AI deal score
$4,316
$3,014
Save $1,302
From PDX
Elite
Nov 07
London, United Kingdom
91% AI deal score
$4,430
$3,014
Save $1,416
From PDX
Elite
Dec 10
London, United Kingdom
91% AI deal score
$4,279
$3,029
Save $1,250
From PDX
Elite
Dec 05
London, United Kingdom
91% AI deal score
$4,393
$3,147
Save $1,246
From PDX
Elite
Dec 08
London, United Kingdom
91% AI deal score
$22,191
$17,010
Save $5,181
From PDX
Elite
Dec 02
London, United Kingdom
91% AI deal score
$2,700
$2,125
Save $575
From PDX
Elite
Dec 01
London, United Kingdom
91% AI deal score
$2,698
$2,133
Save $565
From PDX
Elite
Dec 05
London, United Kingdom
90% AI deal score
$4,059
$3,012
Save $1,047
From PDX
Elite
Aug 21
London, United Kingdom
90% AI deal score
$4,021
$3,018
Save $1,003
From PDX
Elite
Aug 21
London, United Kingdom
90% AI deal score
$4,029
$3,062
Save $967
From PDX
Elite
Oct 27
London, United Kingdom
90% AI deal score
$4,659
$3,300
Save $1,359
From PDX
Elite
Aug 03
London, United Kingdom
90% AI deal score
$2,728
$1,933
Save $795
From PDX
Elite
Aug 18
London, United Kingdom
90% AI deal score
$2,673
$2,125
Save $548
From PDX
Elite
Aug 19
London, United Kingdom
90% AI deal score
$2,662
$2,125
Save $537
From PDX
Elite
Aug 12
London, United Kingdom
90% AI deal score
$2,662
$2,125
Save $537
From PDX
Elite
Aug 25
London, United Kingdom
90% AI deal score
$2,674
$2,125
Save $549
From PDX
Elite
Aug 23
London, United Kingdom
90% AI deal score
$2,675
$2,133
Save $542
From PDX
Elite
Aug 04
London, United Kingdom
90% AI deal score
$2,678
$2,133
Save $545
From PDX
Elite
Aug 26
London, United Kingdom
90% AI deal score
$2,670
$2,133
Save $537
From PDX
Elite
Aug 26
London, United Kingdom
90% AI deal score
$2,658
$2,133
Save $525
From PDX
Elite
Dec 01
London, United Kingdom
89% AI deal score
$3,955
$3,097
Save $858
From PDX
Elite
Oct 28
London, United Kingdom
89% AI deal score
$2,546
$2,125
Save $421
From PDX
Elite
Oct 23
London, United Kingdom
88% AI deal score
$4,694
$3,061
Save $1,633
From PDX
Elite
Dec 03
London, United Kingdom
88% AI deal score
$3,962
$3,147
Save $815
From PDX
Elite
Aug 17
London, United Kingdom
88% AI deal score
$2,730
$2,071
Save $659
From PDX
Elite
Oct 09
London, United Kingdom
86% AI deal score
$6,460
$4,204
Save $2,256
From PDX
Elite
Aug 05
London, United Kingdom
86% AI deal score
$3,039
$2,415
Save $624
From PDX
Elite
Jul 23
London, United Kingdom
86% AI deal score
$3,169
$2,571
Save $598
From PDX
Elite
Sep 24
London, United Kingdom
85% AI deal score
$2,744
$2,361
Save $383
From PDX
Elite
Aug 18
London, United Kingdom
85% AI deal score
$2,997
$2,390
Save $607
From PDX
Elite
Jul 15
London, United Kingdom
83% AI deal score
$20,519
$17,323
Save $3,196
From PDX
Elite
Nov 04
London, United Kingdom
82% AI deal score
$2,371
$2,133
Save $238
From PDX
Elite
Aug 18
London, United Kingdom
81% AI deal score
$2,673
$2,495
Save $178
From PDX
Elite
Sep 12
London, United Kingdom
80% AI deal score
$2,736
$2,361
Save $375
From PDX
Elite
Sep 13
London, United Kingdom
80% AI deal score
$2,736
$2,361
Save $375
From PDX
Elite
Sep 16
London, United Kingdom
80% AI deal score
$2,722
$2,361
Save $361
From PDX
Elite
Sep 28
London, United Kingdom
80% AI deal score
$2,735
$2,362
Save $373
From PDX
Elite
Aug 18
London, United Kingdom
77% AI deal score
$4,099
$3,579
Save $520
From PDX
Elite
Sep 28
London, United Kingdom
77% AI deal score
$2,729
$2,534
Save $195
From PDX
Elite
Sep 29
London, United Kingdom
77% AI deal score
$2,730
$2,534
Save $196
From PDX
Elite
Sep 30
London, United Kingdom
77% AI deal score
$2,730
$2,534
Save $196
From PDX
Elite
Aug 18
London, United Kingdom
76% AI deal score
$6,153
From PDX
Elite
Sep 28
London, United Kingdom
76% AI deal score
$2,729
$2,593
Save $136
From PDX
Elite
Sep 02
London, United Kingdom
76% AI deal score
$3,255
From PDX
Elite
Nov 18
London, United Kingdom
75% AI deal score
$5,986
$5,509
Save $477
From PDX
Elite
Oct 02
London, United Kingdom
75% AI deal score
$2,721
$2,634
Save $87
From PDX
Elite
Jun 16
London, United Kingdom
75% AI deal score
$3,285
From PDX
Elite
Jul 28
London, United Kingdom
74% AI deal score
$3,628
From PDX
Elite
Aug 01
London, United Kingdom
74% AI deal score
$3,632
From PDX
Elite
Jul 21
London, United Kingdom
74% AI deal score
$3,657
From PDX
Elite
Jul 26
London, United Kingdom
74% AI deal score
$3,660
From PDX
Elite
Sep 10
London, United Kingdom
73% AI deal score
$3,979
From PDX
Elite
Sep 27
London, United Kingdom
73% AI deal score
$2,818
From PDX
Elite
Sep 29
London, United Kingdom
73% AI deal score
$2,818
From PDX
Elite
Sep 30
London, United Kingdom
73% AI deal score
$2,818
From PDX
Elite
Sep 26
London, United Kingdom
73% AI deal score
$2,918