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Cheap flights from London to Waterloo, Iowa from £810

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ALO
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 14 November 2025.

Wed 3/1207:35LHR - ALO
2 stops18h 29mAmerican Airlines
Sun 7/1215:27ALO - LHR
2 stops35h 03mAmerican Airlines
Deal found 10/11£810
Tue 9/1209:55LHR - ALO
2 stops16h 09mAmerican Airlines
Tue 16/1206:00ALO - LHR
2 stops19h 00mAmerican Airlines
Deal found 11/11£910
Thu 11/1212:35LHR - ALO
1 stop17h 16mAmerican Airlines
Thu 18/1215:12ALO - LHR
2 stops14h 13mAmerican Airlines
Deal found 13/11£1,070

Cheap 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 14 November 2025.

Round-trip from

£810
American Airlines
  • American Airlines
  • 3/12-7/12
  • 4 total stops
  • 53h 32m total
  • London to Waterloo
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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 14 November 2025.
Use the filters below to find and compare flights from London to Waterloo that are best for you.

Fly from

London

Fly to

Waterloo

Route

Depart

Return

Price

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Wed 3/12

07:35-20:04

2 stops18h 29m

Waterloo

Sun 7/12

15:27-08:30

2 stops35h 03m

£810

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Thu 8/1

12:35-22:23

1 stop15h 48m

Waterloo

Thu 22/1

15:23-10:25

1 stop13h 02m

£895

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 9/12

09:55-20:04

2 stops16h 09m

Waterloo

Tue 16/12

06:00-07:00

2 stops19h 00m

£910

Flights are sorted by cheapest return flights first.

Deals found on 10/11

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

What is the cheapest month to book a flight from London to Waterloo, Iowa?

Currently, August is the cheapest month in which you can book a flight from London to Waterloo, Iowa (average of £194). Flying from London to Waterloo, Iowa in December is currently the most expensive (average of £843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 £810, American Airlines can have you in Waterloo, Iowa from London in 18h 29m. 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.

  • What is the cheapest month to book a flight from London to Waterloo, Iowa?

    Currently, August is the cheapest month in which you can book a flight from London to Waterloo, Iowa (average of £194). Flying from London to Waterloo, Iowa in December is currently the most expensive (average of £843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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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