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Waterloo

$1,256+ Cheap flights from Heathrow (LHR) to Waterloo, IA (ALO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ALO
May 10 — May 171
Sun 5/10
Sun 5/17
1 adult, Economy
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Cheap flight deals from Heathrow to Waterloo

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 April 10, 2026.

This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:45 pm
LHR
-
ALO
1 stop15h 04m
American Airlines
Wed 5/135:40 am
ALO
-
LHR
1 stop20h 00m
American Airlines
Deal found 4/8$1,256
This American Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:45 am
LHR
-
ALO
1 stop20h 10m
American Airlines
Fri 5/152:23 pm
ALO
-
LHR
1 stop11h 17m
American Airlines
Deal found 4/10$1,359
This British Airways deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:15 pm
LHR
-
ALO
1 stop14h 40m
Multiple Airlines
Thu 7/93:22 pm
ALO
-
LHR
1 stop11h 43m
Multiple Airlines
Deal found 4/6$1,386
This American Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:25 pm
LHR
-
ALO
2 stops15h 30m
American Airlines
Thu 7/93:22 pm
ALO
-
LHR
1 stop13h 08m
American Airlines
Deal found 4/6$1,434
This Finnair deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:15 pm
LHR
-
ALO
1 stop14h 17m
Multiple Airlines
Sun 9/134:32 pm
ALO
-
LHR
1 stop12h 43m
Multiple Airlines
Deal found 4/8$2,286
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:45 am
LHR
-
ALO
1 stop20h 24m
American Airlines
Sat 5/305:00 am
ALO
-
LHR
2 stops19h 15m
American Airlines
Deal found 4/8$2,909
This British Airways deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:10 pm
LHR
-
ALO
1 stop16h 59m
Multiple Airlines
Sat 5/305:00 am
ALO
-
LHR
1 stop19h 50m
Multiple Airlines
Deal found 4/8$2,990
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:50 am
LHR
-
ALO
2 stops20h 59m
American Airlines
Wed 5/62:23 pm
ALO
-
LHR
2 stops16h 27m
American Airlines
Deal found 4/8$7,251
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:10 pm
LHR
-
ALO
1 stop30h 43m
American Airlines
Wed 5/62:23 pm
ALO
-
LHR
1 stop11h 17m
American Airlines
Deal found 4/8$7,281

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 April 10, 2026.

Round-trip from

$1,256
(American Airlines)

One-way from

$1,157
(Finnair)
From London Heathrow to Waterloo
Search Deals
One-way flight from London Heathrow to Waterloo
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Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated April 10, 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 round-trip

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Wed 5/6

2:45 pm-11:49 pm

1 stop15h 04m

Waterloo

Wed 5/13

5:40 am-7:40 am

1 stop20h 00m

$1,256

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Fri 5/8

9:45 am-11:55 pm

1 stop20h 10m

Waterloo

Fri 5/15

2:23 pm-7:40 am

1 stop11h 17m

$1,359
Quickest round-trip

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 5/19

3:15 pm-11:55 pm

1 stop14h 40m

Waterloo

Thu 7/9

3:22 pm-9:05 am

1 stop11h 43m

$1,386

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 5/19

2:25 pm-11:55 pm

2 stops15h 30m

Waterloo

Thu 7/9

3:22 pm-10:30 am

1 stop13h 08m

$1,434

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Mon 8/31

3:15 pm-11:32 pm

1 stop14h 17m

Waterloo

Sun 9/13

4:32 pm-11:15 am

1 stop12h 43m

$2,286

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Sat 5/23

1:10 pm-12:09 am

1 stop16h 59m

Waterloo

Sat 5/30

5:00 am-6:50 am

1 stop19h 50m

$2,990

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Wed 4/29

8:50 am-11:49 pm

2 stops20h 59m

Waterloo

Wed 5/6

2:23 pm-7:40 am

1 stop11h 17m

$7,251

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Sun 4/26

12:15 pm-1:53 pm

1 stop31h 38m

Waterloo

Thu 5/7

2:23 pm-10:30 am

1 stop14h 07m

$9,269

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

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 round-trip 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 $255). Flying from London Heathrow Airport to Waterloo, Iowa in March is currently the most expensive (average of $1,113). 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?

    Most people fly into Waterloo (ALO) if they book a flight to Waterloo from London Heathrow. On average, Waterloo has 0 inbound flights from London Heathrow per day from 0 airlines. Waterloo is conveniently located just 5.3 mi from Waterloo’s city center.

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

    For as low as $1,256, American Airlines can have you in Waterloo, Iowa from London Heathrow Airport in 15h 04m. There are 4081 mi between London Heathrow Airport and Waterloo, Iowa.

  • 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 vacation 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 $255). Flying from London Heathrow Airport to Waterloo, Iowa in March is currently the most expensive (average of $1,113). 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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