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Cheap flights from London Luton Airport to Portland from £391

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Luton Airport to Portland departing on 15/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Luton Airport to Portland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:25 - 17:55LTN  London Luton-PDX Portland
19h 30m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
15:30 - 20:30PDX  Portland-LTN London Luton
21h 00m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Gdansk Rebiechowo
£722Multiple Airlines
Sun, 18 Oct - Thu, 22 Oct
Multiple Airlines Logo
08:00 - 17:00LTN  London Luton-PDX Portland
17h 00m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
14:45 - 22:00PDX  Portland-LTN London Luton
23h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl
£723Multiple Airlines
Mon, 23 Nov - Thu, 26 Nov
Multiple Airlines Logo
09:00 - 09:31LTN  London Luton-PDX Portland
32h 31m3 stops Dublin Calgary Vancouver Intl
Multiple Airlines Logo
15:30 - 22:45PDX  Portland-LTN London Luton
23h 15m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Berlin Brandenburg
£739Multiple Airlines
Sun, 18 Oct - Thu, 22 Oct
Multiple Airlines Logo
06:15 - 17:55LTN  London Luton-PDX Portland
19h 40m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
15:30 - 21:15PDX  Portland-LTN London Luton
21h 45m2 stops Reykjavik Keflavik Intl Dublin
£754Multiple Airlines
Wed, 30 Sep - Wed, 7 Oct
Multiple Airlines Logo
06:10 - 17:50LTN  London Luton-PDX Portland
19h 40m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
Multiple Airlines Logo
19:00 - 22:55PDX  Portland-LTN London Luton
19h 55m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
£769Multiple Airlines
Wed, 2 Sep - Sun, 6 Sep
Multiple Airlines Logo
06:25 - 17:55LTN  London Luton-PDX Portland
19h 30m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
15:30 - 18:25PDX  Portland-LTN London Luton
18h 55m2 stops Reykjavik Keflavik Intl Glasgow Intl
£786Multiple Airlines
Sun, 18 Oct - Thu, 22 Oct
Multiple Airlines Logo
12:55 - 11:10LTN  London Luton-PDX Portland
30h 15m2 stops Barcelona-El Prat Amsterdam Schiphol
Multiple Airlines Logo
13:05 - 18:05PDX  Portland-LTN London Luton
21h 00m2 stops Amsterdam Schiphol Barcelona-El Prat
£788Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
12:55 - 11:10LTN  London Luton-PDX Portland
30h 15m2 stops Barcelona-El Prat Amsterdam Schiphol
Multiple Airlines Logo
13:05 - 18:05PDX  Portland-LTN London Luton
21h 00m2 stops Amsterdam Schiphol Barcelona-El Prat
£795Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
08:00 - 17:00LTN  London Luton-PDX Portland
17h 00m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
14:45 - 15:05PDX  Portland-LTN London Luton
16h 20m1 stop Reykjavik Keflavik Intl
£807Multiple Airlines
Wed, 11 Nov - Tue, 17 Nov
Multiple Airlines Logo
06:25 - 17:50LTN  London Luton-PDX Portland
19h 25m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
15:30 - 22:50PDX  Portland-LTN London Luton
23h 20m2 stops Reykjavik Keflavik Intl Dublin
£815Multiple Airlines
Sun, 30 Aug - Mon, 21 Sep

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Customise your flight search to find flights from London Luton Airport 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, momondo users made 279,928 searches. Data last updated 18 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

Sun 18/10

06:25-17:55

1 stop19h 30m

Portland

Thu 22/10

15:30-20:30

3 stops21h 00m

£722

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Mon 23/11

08:00-17:00

1 stop17h 00m

Portland

Thu 26/11

14:45-22:00

2 stops23h 15m

£723

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Sun 18/10

09:00-09:31

3 stops32h 31m

Portland

Thu 22/10

15:30-22:45

3 stops23h 15m

£739

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Wed 30/9

06:15-17:55

2 stops19h 40m

Portland

Wed 7/10

15:30-21:15

2 stops21h 45m

£754

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Wed 2/9

06:10-17:50

2 stops19h 40m

Portland

Sun 6/9

19:00-22:55

2 stops19h 55m

£769

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Sun 18/10

06:25-17:55

1 stop19h 30m

Portland

Thu 22/10

15:30-18:25

2 stops18h 55m

£786

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Mon 28/9

12:55-11:10

2 stops30h 15m

Portland

Mon 5/10

13:05-18:05

2 stops21h 00m

£788

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Mon 28/9

12:55-11:10

2 stops30h 15m

Portland

Mon 5/10

13:05-18:05

2 stops21h 00m

£795
Fastest return journey

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Wed 11/11

08:00-17:00

1 stop17h 00m

Portland

Tue 17/11

14:45-15:05

1 stop16h 20m

£807

LondonPortland

LTN London Luton - PDX Portland

LTNPDX

London Luton

Sun 30/8

06:25-17:50

1 stop19h 25m

Portland

Mon 21/9

15:30-22:50

2 stops23h 20m

£815

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from London Luton Airport to Portland

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 Portland?

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as £719. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around £816.

What is the cheapest time of day to depart on your flight to Portland?

Flying to Portland from London Luton Airport at midday is the least expensive time of day to depart. momondo users have found prices as low as £701 when looking at flights departing at midday. Try not to purchase tickets in the afternoon because they tend to be around £800. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from London Luton Airport to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from London Luton Airport to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Luton Airport to Portland (LTN to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Luton Airport to Portland

Best price found

£391

Fastest flight time

17h 00m

Direct flights

None
The best one-way flight to Portland from London Luton Airport in the past 72 hours is £391. The best return flight deal from London Luton Airport to Portland found on momondo in the last 72 hours is £722.
The fastest flight from London Luton Airport to Portland takes 17h 00m
There are no direct flights from London Luton Airport to Portland. There are no popular flight routes from London Luton Airport to Portland.
Search flight deals

Frequently asked questions about flying from London Luton Airport to Portland

  • How far is London Luton to Portland by plane?

    There are 4883.1 mi between London Luton and Portland. Flights usually cover this in 17h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Luton Airport to Portland Airport?

    Prices for flights from London Luton Airport to Portland Airport are updated daily.

  • How old do you have to be to fly from London Luton Airport to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Luton Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Kelso
Cannon Beach
Vancouver
Seaside

Why use momondo?

Why should I use momondo to find a flight deal from London to Portland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Portland for you.

Can I find flights from London to Portland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Portland from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Portland?

momondo helps you find the best flight between London and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Portland right now. Can momondo alert me if prices change?

Price alerts on flights to Portland from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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