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Cheap flights from London Luton Airport to Portland from £393

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — PDX
12 Sep — 19 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Luton to Portland
Explore the most affordable flight options available from Luton to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 August 2026.

Mon 21/906:00 -
3 stops35h 31m
Mon 5/1015:30 -
2 stops22h 35m
Deal found 10/8£651
Wed 23/906:10 -
3 stops35h 21m
Wed 14/1015:30 -
2 stops21h 45m
Deal found 8/8£656
Wed 2/920:50 -
2 stops24h 45m
Mon 7/915:30 -
2 stops20h 45m
Deal found 11/8£674
Wed 16/906:10 -
3 stops35h 21m
Wed 23/915:30 -
2 stops21h 35m
Deal found 10/8£678
Sat 5/909:00 -
3 stops36h 50m
Sat 3/1015:30 -
2 stops17h 30m
Deal found 11/8£680
Fri 4/906:20 -
3 stops35h 11m
Mon 21/915:30 -
2 stops22h 35m
Deal found 11/8£686
Sun 18/1006:25 -
1 stop19h 30m
Sat 24/1015:30 -
3 stops25h 25m
Deal found 10/8£711
Wed 23/906:15 -
1 stop19h 40m
Wed 7/1015:30 -
2 stops19h 55m
Deal found 9/8£715
Wed 9/906:10 -
3 stops35h 21m
Wed 30/913:05 -
2 stops19h 30m
Deal found 9/8£746
Wed 30/906:15 -
1 stop19h 40m
Wed 7/1015:30 -
3 stops23h 25m
Deal found 9/8£746

Find flight deals from Luton to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 August 2026.

Round-trip from

£651

One-way from

£393

Popular in

July

Cheapest in

February

Average price

£939
21/9-5/10
  • 21/9-5/10
  • 5 total stops
  • 58h 06m total
  • London to Portland
Search Deals
1/9
  • 1/9
  • 3 total stops
  • 38h 06m total
  • London to Portland
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton to Portland 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, Cheapflights users made 858,174 searches. Data last updated 13 August 2026.
Use the filters below to find and compare flights from London Luton Airport to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Mon 21/9

06:00-09:31

3 stops35h 31m

Portland

Mon 5/10

15:30-22:05

2 stops22h 35m

£651

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Sun 25/10

06:00-18:00

1 stop19h 00m

Portland

Sat 31/10

15:45-13:05

1 stop14h 20m

£785

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Wed 16/9

06:10-09:31

3 stops35h 21m

Portland

Wed 23/9

13:05-12:50

1 stop15h 45m

£803

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Wed 9/9

06:15-17:50

1 stop19h 35m

Portland

Wed 30/9

13:05-16:35

2 stops19h 30m

£828

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Wed 2/9

06:15-17:50

1 stop19h 35m

Portland

Sun 13/9

13:05-22:55

2 stops25h 50m

£853

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Sat 19/12

07:15-09:26

3 stops34h 11m

Portland

Sun 3/1

10:00-21:55

3 stops27h 55m

£877

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Sat 5/9

06:00-13:50

3 stops39h 50m

Portland

Tue 8/9

13:05-13:55

2 stops16h 50m

£934

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Sat 26/9

13:35-11:10

2 stops29h 35m

Portland

Sat 3/10

13:05-22:40

2 stops25h 35m

£955

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Fri 28/8

06:20-09:31

3 stops35h 11m

Portland

Wed 2/9

19:00-22:35

2 stops19h 35m

£959
Fastest return journey

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Wed 21/10

06:15-17:55

1 stop19h 40m

Portland

Wed 28/10

14:20-09:30

1 stop12h 10m

£962

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Best time to book a flight from Luton to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Luton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Luton to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from London Luton?

    If you book a flight to Portland from London Luton, you will be flying to Portland, which is the city’s only airport. Portland (PDX) is located 6.0 mi from the center of Portland. There are 0 flights from London Luton to Portland per day from 0 different airlines.

  • Can I find deals for flights from Luton to Portland that include hotel bookings?

    Yes. In addition to deals on Luton to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Luton to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luton to Portland.

  • Can I find deals for business class flights from Luton to Portland?

    Yes. Cheapflights offers flight deals from Luton to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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How does Cheapflights help users find flights from Luton to Portland?

When you search for this flight from Luton to Portland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Luton to Portland?

Cheapflights simply makes it quick and affordable to book flights from Luton to Portland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Luton to Portland with no change fees?

Certainly. Search results for flights to Portland from Luton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Luton to Portland become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portland from Luton today and book when prices fit your budget.

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