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$865+ Cheap flights from Waterloo, IA (ALO) to London (LON)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — LON
dic. 10 — dic. 171
mié. 12/10
mié. 12/17
1 adult, Economy
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Cheap flight deals from Waterloo to London

Discover tips and strategies to find the most affordable flight options for your journey from Waterloo (ALO) to London (LON). 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 noviembre 10, 2025.

Round-trip from

$1,248
(American Airlines)
From Waterloo to London (LON)
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Find flight deals from Waterloo to London

Cheapest flights from Waterloo to London
Explore the most affordable flight options available from Waterloo to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 10, 2025.

This American Airlines deal was found by Cheapflights users on 11/8. 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.
mié. 11/126:00 amALO - LHR
1 stop20h 15mAmerican Airlines
dom. 11/167:50 amLHR - ALO
2 stops21h 58mAmerican Airlines
Deal found 11/8$865
This American Airlines deal was found by Cheapflights users on 11/9. 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.
mié. 12/245:40 amALO - LHR
1 stop20h 35mAmerican Airlines
mié. 12/311:30 pmLHR - ALO
2 stops14h 26mAmerican Airlines
Deal found 11/9$1,248
This American Airlines deal was found by Cheapflights users on 11/10. 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.
jue. 12/255:40 amALO - LHR
1 stop22h 45mAmerican Airlines
jue. 1/112:35 pmLHR - ALO
1 stop17h 10mAmerican Airlines
Deal found 11/10$1,490

Cheapflights Fare Finder

 
Customize your flight search to find flights from Waterloo to London 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 noviembre 10, 2025.
Use the filters below to find and compare flights from Waterloo to London that are best for you.

Fly from

Waterloo

Fly to

London

Route

Depart

Return

Price

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

mié. 12/24

5:40 am-8:15 am

1 stop20h 35m

London Heathrow

mié. 12/31

1:30 pm-9:56 pm

2 stops14h 26m

$1,248

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

jue. 12/25

5:40 am-10:25 am

1 stop22h 45m

London Heathrow

jue. 1/1

12:35 pm-11:45 pm

1 stop17h 10m

$1,490

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Best time to book a flight from Waterloo to London

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

Cheapflights Insights

Everything you need to know about your flight from Waterloo to London

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

Currently, November is the cheapest month in which you can book a flight from Waterloo, Iowa to London (average of $623). Flying from Waterloo, Iowa to London in July is currently the most expensive (average of $864). 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 Waterloo to London. 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?

    Waterloo (ALO) is the airport you will fly out of if you book a flight from Waterloo to London. You should not have trouble finding flights to London from Waterloo; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Waterloo airport to London. It is only a 5.3 mi journey to Waterloo (ALO) from Waterloo’s city center.

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

    Departing from Waterloo, Iowa to London will take you 20h 35m. There are 4081 mi between Waterloo, Iowa and London.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Waterloo, Iowa to London (average of $623). Flying from Waterloo, Iowa to London in July is currently the most expensive (average of $864). 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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