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Cheap flights from London Heathrow Airport to Waterloo, Iowa from £918

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ALO
20 Apr — 27 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Waterloo

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Waterloo
Explore the most affordable flight options available from Heathrow to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 March 2026.

Wed 15/413:10
LHR
-
ALO
1 stop16h 39m
Multiple Airlines
Wed 22/414:23
ALO
-
LHR
1 stop14h 52m
Multiple Airlines
Deal found 18/3£918
Wed 15/414:45
LHR
-
ALO
1 stop15h 04m
American Airlines
Wed 22/414:23
ALO
-
LHR
1 stop14h 52m
American Airlines
Deal found 18/3£923
Thu 16/413:10
LHR
-
ALO
1 stop16h 39m
Multiple Airlines
Thu 23/414:23
ALO
-
LHR
1 stop14h 52m
Multiple Airlines
Deal found 19/3£958
Thu 16/412:30
LHR
-
ALO
2 stops17h 19m
American Airlines
Thu 23/414:23
ALO
-
LHR
1 stop14h 07m
American Airlines
Deal found 19/3£976
Sat 2/515:15
LHR
-
ALO
1 stop14h 34m
Multiple Airlines
Sat 9/514:23
ALO
-
LHR
1 stop14h 52m
Multiple Airlines
Deal found 18/3£976
Tue 5/511:10
LHR
-
ALO
1 stop18h 39m
Multiple Airlines
Tue 12/514:23
ALO
-
LHR
1 stop10h 27m
Multiple Airlines
Deal found 21/3£979
Fri 1/509:45
LHR
-
ALO
1 stop20h 04m
American Airlines
Fri 8/514:23
ALO
-
LHR
1 stop14h 07m
American Airlines
Deal found 17/3£979
Sun 3/515:15
LHR
-
ALO
1 stop14h 34m
Multiple Airlines
Sun 10/514:23
ALO
-
LHR
1 stop14h 52m
Multiple Airlines
Deal found 21/3£998
Sun 3/513:45
LHR
-
ALO
2 stops16h 04m
American Airlines
Sun 10/505:40
ALO
-
LHR
1 stop20h 00m
American Airlines
Deal found 19/3£1,012

Find flight deals from Heathrow to Waterloo

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 21 March 2026.

Round-trip from

£911
13/4-20/4
  • 13/4-20/4
  • 2 total stops
  • 38h 04m total
  • London to Waterloo
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 21 March 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Waterloo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Wed 15/4

13:10-23:49

1 stop16h 39m

Waterloo

Wed 22/4

14:23-11:15

1 stop14h 52m

£918

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Wed 15/4

14:45-23:49

1 stop15h 04m

Waterloo

Wed 22/4

14:23-11:15

1 stop14h 52m

£923

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Thu 16/4

13:10-23:49

1 stop16h 39m

Waterloo

Thu 23/4

14:23-11:15

1 stop14h 52m

£958

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Sat 2/5

15:15-23:49

1 stop14h 34m

Waterloo

Sat 9/5

14:23-11:15

1 stop14h 52m

£976
Fastest return journey

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 5/5

11:10-23:49

1 stop18h 39m

Waterloo

Tue 12/5

14:23-06:50

1 stop10h 27m

£979

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Fri 1/5

09:45-23:49

1 stop20h 04m

Waterloo

Fri 8/5

14:23-10:30

1 stop14h 07m

£979

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Thu 16/4

12:30-23:49

2 stops17h 19m

Waterloo

Thu 23/4

14:23-09:10

2 stops12h 47m

£983

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Sun 3/5

15:15-23:49

1 stop14h 34m

Waterloo

Sun 10/5

14:23-11:15

1 stop14h 52m

£998

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Sun 3/5

13:45-23:49

2 stops16h 04m

Waterloo

Sun 10/5

05:40-07:40

1 stop20h 00m

£1,012

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 5/5

17:35-13:53

2 stops26h 18m

Waterloo

Tue 12/5

14:23-10:30

1 stop14h 07m

£1,094

Flights are sorted by cheapest return flights first.

Deals found on 18/3

Sorted by cheapest first

Best time to book a flight from Heathrow to Waterloo

Have a flexible travel schedule? Discover the best time to fly to Waterloo from Heathrow 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 Heathrow Airport to Waterloo

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

Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to Waterloo, Iowa (average of £191). Flying from London Heathrow Airport to Waterloo, Iowa in March is currently the most expensive (average of £832). 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 Heathrow 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 Heathrow?

    If you book a flight to Waterloo from London Heathrow, you will be flying to Waterloo, which is the city’s only airport. Waterloo (ALO) is located 5.3 mi from the center of Waterloo. There are 0 flights from London Heathrow to Waterloo per day from 0 different airlines.

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

    There are many flights that can get you from London Heathrow Airport to Waterloo, Iowa in 15h 04m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 4081 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Waterloo, Iowa?

    Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to Waterloo, Iowa (average of £191). Flying from London Heathrow Airport to Waterloo, Iowa in March is currently the most expensive (average of £832). 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 makes it easy to find Heathrow to Waterloo flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Waterloo from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to Waterloo with no change fees?

Yes, we can. To see specific flights from Heathrow to Waterloo with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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