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$432+ Cheap flights from Waterloo, IA (ALO) to Heathrow (LHR)

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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — LHR
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
1 adult, Economy
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Cheap flight deals from Waterloo to Heathrow

Cheapest flights from Waterloo to Heathrow
Explore the most affordable flight options available from Waterloo to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 22, 2026.

This American Airlines deal was found by Cheapflights users on 5/21. 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 7/103:26 pm
ALO
-
LHR
1 stop10h 39m
American Airlines
Fri 7/173:00 pm
LHR
-
ALO
2 stops15h 29m
American Airlines
Deal found 5/21$1,278
This Ovago deal was found by Cheapflights users on 5/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:26 pm
ALO
-
LHR
2 stops14h 44m
British Airways
Fri 7/171:00 pm
LHR
-
ALO
2 stops17h 29m
British Airways
Deal found 5/21$1,324
This American Airlines deal was found by Cheapflights users on 5/20. 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 6/235:00 am
ALO
-
LHR
1 stop21h 05m
American Airlines
Mon 6/292:45 pm
LHR
-
ALO
1 stop15h 36m
American Airlines
Deal found 5/20$1,485
This American Airlines deal was found by Cheapflights users on 5/18. 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 6/165:00 am
ALO
-
LHR
1 stop21h 05m
American Airlines
Mon 6/222:45 pm
LHR
-
ALO
1 stop15h 36m
American Airlines
Deal found 5/18$1,488
This American Airlines deal was found by Cheapflights users on 5/20. 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 7/45:06 am
ALO
-
LHR
1 stop24h 09m
American Airlines
Sat 7/1112:15 pm
LHR
-
ALO
1 stop18h 07m
American Airlines
Deal found 5/20$1,494
This Gurufare deal was found by Cheapflights users on 5/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:00 am
ALO
-
LHR
2 stops19h 25m
Multiple Airlines
Mon 6/293:50 pm
LHR
-
ALO
2 stops38h 31m
Multiple Airlines
Deal found 5/20$1,651
This Gurufare deal was found by Cheapflights users on 5/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:00 am
ALO
-
LHR
2 stops19h 55m
British Airways
Mon 6/2212:30 pm
LHR
-
ALO
2 stops17h 51m
British Airways
Deal found 5/18$1,748

Find flight deals from Waterloo to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Waterloo (ALO) to Heathrow (LHR). 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 May 22, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,278
(American Airlines)

One-way from

$432
(American Airlines)
Provider with most accurate pricing for Waterloo-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Waterloo-London (LON) flights.
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From Waterloo to London Heathrow
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One-way flight from Waterloo to London Heathrow
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Waterloo to Heathrow 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 May 22, 2026.
Use the filters below to find and compare flights from Waterloo to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Fri 7/10

3:26 pm-12:10 pm

2 stops14h 44m

London Heathrow

Fri 7/17

1:00 pm-12:29 am

2 stops17h 29m

$1,324

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Fri 7/10

3:26 pm-12:15 pm

1 stop14h 49m

London Heathrow

Fri 7/17

9:45 am-12:29 am

1 stop20h 44m

$1,346

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Tue 6/23

5:00 am-8:05 am

1 stop21h 05m

London Heathrow

Mon 6/29

2:45 pm-12:21 am

1 stop15h 36m

$1,485

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Tue 6/16

5:00 am-8:05 am

1 stop21h 05m

London Heathrow

Mon 6/22

2:45 pm-12:21 am

1 stop15h 36m

$1,488

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Sat 7/4

5:06 am-11:15 am

1 stop24h 09m

London Heathrow

Sat 7/11

12:15 pm-12:22 am

1 stop18h 07m

$1,494

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Tue 6/23

5:00 am-6:25 am

2 stops19h 25m

London Heathrow

Mon 6/29

3:50 pm-12:21 am

2 stops38h 31m

$1,651
Cheapest one-way

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Wed 10/28

6:04 am-12:05 pm

2 stops25h 01m

$432

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Sun 11/1

6:00 am-1:25 pm

2 stops25h 25m

$432

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Sat 10/31

4:30 pm-7:20 am

2 stops33h 50m

$440
Quickest one-way

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Fri 10/30

4:30 pm-11:25 am

2 stops13h 55m

$482

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Showing 1-10 of 12 resultsSorted by cheapest first
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Best time to book a flight from Waterloo to Heathrow

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

Related info for your journey

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

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

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

    British Airways and American Airlines can get you from Waterloo, Iowa to London Heathrow Airport in just under 14h 44m. Your travel time can differ by up to 05m. The distance between Waterloo, Iowa and London Heathrow Airport is about 4081 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Waterloo to Heathrow 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Dorking
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

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