Your next trip, last seen at €423
Below averageRyanair · 3 stops · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €423, departing 18 Jan 2027 (Last checked: 19 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 42Check live prices for this route
- Airlines seen
- Alaska Airlines, easyJet, Icelandair, Jet2, JetBlue, Lufthansa, Norse, Ryanair, Ryanair UK, SAS, Wizz Air Malta (11)
- Typical journey time
- 28h 25m
About this route
Explore the fares we observed from London to Portland. Prices move often, so pick your dates to see the latest options.
- Route distance
- 7,908 km
- Typical journey time
- 28h 25m
- Airlines seen
- Alaska Airlines, easyJet, Icelandair, Jet2, JetBlue, Lufthansa, Norse, Ryanair, Ryanair UK, SAS, Wizz Air Malta (11)
- Seen on fares with a connection
- easyJet, Ryanair, Norse, Icelandair, Jet2, JetBlue, Ryanair UK (7)
- Alternative airports
- LCY, LGW, LTN, SEN, STN
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
Airport to city: straight-line distance
- London City Airport (LCY) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 13 km.
- London Heathrow (LHR) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 23 km.
- London Gatwick (LGW) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 40 km.
- London Luton (LTN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 44 km.
- London Stansted (STN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 49 km.
- London Southend Airport (SEN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 57 km.
- Portland International Airport (PDX) → Portland, city gazetteer reference point (45.5051, -122.6750): ≈ 11 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from London to Portland: January 2027, from €423 (checked 19 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| October 2026 | €610 | 11 |
| November 2026 | €489 | 22 |
| January 2027 | €423 | 9 |
Lowest fare by day of the week
Cheapest day of the week from London to Portland: Monday, from €423 (checked 19 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €423 | 6 |
| Tuesday | €434 | 6 |
| Wednesday | €446 | 6 |
| Thursday | €489 | 6 |
| Friday | €463 | 6 |
| Saturday | €448 | 6 |
| Sunday | €509 | 6 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from London to Portland by days until departure (61 days or more): €423 (checked 19 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €645 | 7 |
| 8 to 30 days | €489 | 23 |
| 31 to 60 days | €512 | 3 |
| 61 days or more | €423 | 9 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from London to Portland: Ryanair, from €423 (checked 19 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Ryanair | €423Jan 18, 2027 | 9 |
| Norse | €489Nov 19, 2026 | 6 |
| Jet2 | €561Nov 16, 2026 | 4 |
| easyJet | €585Nov 15, 2026 | 11 |
| Icelandair | €586Nov 21, 2026 | 5 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from London to Portland?
The lowest fare we have observed is €423, found on 19 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from London to Portland?
Cheapest month from London to Portland: January 2027, from €423 (checked 19 Oct 2026).
Are there direct flights from London to Portland?
Our data holds no non-stop flight from London to Portland. The fares on this page include at least one stop.
Which airlines fly from London to Portland?
These are the carriers we have seen on the route: Alaska Airlines, easyJet, Icelandair, Jet2, JetBlue, Lufthansa, Norse, Ryanair, Ryanair UK, SAS, Wizz Air Malta (11).
How long does the flight from London to Portland take?
The average journey time across the 42 fares we observed is 29h 12m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed London to Portland fares were non-stop?
None of the 42 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which day of the week is cheapest from London to Portland?
Cheapest day of the week from London to Portland: Monday, from €423 (checked 19 Oct 2026).
Which airline has the lowest fare from London to Portland?
Cheapest airline from London to Portland: Ryanair, from €423 (checked 19 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 19 Oct 2026