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Cheap flights from London to Waterloo, Iowa from £1,034

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ALO
29 Jul — 5 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Waterloo

Enter your travel dates to find the best prices.

Cheapest flights from London to Waterloo
Explore the most affordable flight options available from London to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 June 2026.

Tue 21/712:15
LHR
-
ALO
1 stop18h 14m
Finnair
Sat 12/1206:00
ALO
-
LHR
2 stops22h 25m
Finnair
Deal found 26/6£1,069
Wed 22/715:00
LHR
-
ALO
2 stops15h 29m
American Airlines
Wed 29/705:06
ALO
-
LHR
1 stop19h 44m
American Airlines
Deal found 24/6£1,150
Tue 21/715:00
LHR
-
ALO
2 stops15h 29m
American Airlines
Sat 12/1206:00
ALO
-
LHR
1 stop22h 25m
American Airlines
Deal found 25/6£1,163

Find flight deals from London to Waterloo

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Waterloo (ALO). 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 29 June 2026.

Round-trip from

£1,069

One-way from

£1,034
Finnair
  • Finnair
  • 21/7-12/12
  • 3 total stops
  • 40h 39m total
  • London to Waterloo
Search Deals
Finnair
  • Finnair
  • 21/7
  • 2 total stops
  • 26h 48m total
  • London to Waterloo
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Waterloo 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 29 June 2026.
Use the filters below to find and compare flights from London to Waterloo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

12:15-00:29

1 stop18h 14m

Waterloo

Sat 12/12

06:00-10:25

2 stops22h 25m

£1,069
Fastest return journey

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Wed 22/7

15:00-00:29

2 stops15h 29m

Waterloo

Wed 29/7

05:06-06:50

1 stop19h 44m

£1,150

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

15:00-00:29

2 stops15h 29m

Waterloo

Sat 12/12

06:00-10:25

1 stop22h 25m

£1,163

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Thu 23/7

09:45-00:29

1 stop20h 44m

Waterloo

Thu 30/7

15:23-12:10

2 stops14h 47m

£1,176
Cheapest one-way
Fastest single journey

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

18:05-14:53

2 stops26h 48m

£1,034

Flights are sorted by cheapest return flights first.

Deals found on 24/6

Sorted by cheapest first

Best time to book a flight from London to Waterloo

Have a flexible travel schedule? Discover the best time to fly to Waterloo from London 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.

Cheapflights Insights

Everything you need to know about your flight from London to Waterloo
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from London to Waterloo. 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 Waterloo from London?

    Located just 5.3 mi from the city center, Waterloo is the airport most travelers will use when flying to Waterloo from London. Booking flights from London to Waterloo (ALO) should be relatively easy as there are 0 daily inbound flights from London from 0 different airlines.

  • How long is the flight from London to Waterloo, Iowa?

    For as low as £1,069, Finnair can have you in Waterloo, Iowa from London in 18h 14m. Airlines will cover a distance of 4081 mi.

  • Can I find deals for flights from London to Waterloo that include hotel bookings?

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

  • How can I find direct flights from London to Waterloo?

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

  • Can I find deals for business class flights from London to Waterloo?

    Yes. Cheapflights offers flight deals from London to Waterloo 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 London to Waterloo?

Cheapflights helps you search for flights from London to Waterloo via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Waterloo?

Cheapflights simply makes it quick and affordable to book flights from London to Waterloo 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 London to Waterloo with no change fees?

Yes! Cheapflights helps users easily find flights from London to Waterloo with no change fees.

Can Cheapflights notify me if prices for flights from London to Waterloo become cheaper?

Yes, Cheapflights offers price alerts on London to Waterloo flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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