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£831+ Cheap flights to Waterloo, Iowa

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
— ALO
18 Jul — 25 Jul1
1 adult
1 adult, Economy, 0 bags

Flights to Waterloo, IA in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Waterloo
Explore the most affordable flight options available to Waterloo. Find the lowest fares based on data from user searches, with prices last updated on 18 June 2026.

Tue 21/714:45
LHR
-
ALO
1 stop15h 44m
American Airlines
Thu 10/1215:29
ALO
-
LHR
1 stop11h 06m
American Airlines
Deal found 16/6£831
Tue 21/714:45
LHR
-
ALO
1 stop15h 44m
American Airlines
Fri 11/1215:29
ALO
-
LHR
1 stop11h 06m
American Airlines
Deal found 16/6£853
Tue 14/714:45
LHR
-
ALO
1 stop15h 44m
American Airlines
Tue 21/705:06
ALO
-
LHR
2 stops19h 09m
American Airlines
Deal found 16/6£996
Tue 28/709:45
LHR
-
ALO
1 stop20h 44m
Finnair
Sat 12/1206:00
ALO
-
LHR
2 stops20h 20m
Finnair
Deal found 16/6£1,052
Tue 21/712:15
LHR
-
ALO
1 stop18h 14m
Finnair
Sat 12/1206:00
ALO
-
LHR
2 stops22h 10m
Finnair
Deal found 16/6£1,056
Wed 15/709:45
LHR
-
ALO
1 stop20h 44m
American Airlines
Wed 22/705:06
ALO
-
LHR
1 stop21h 59m
American Airlines
Deal found 17/6£1,147

Find flight deals to Waterloo

Find the latest flights to Waterloo in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 18 June 2026.

Return from

£831
American Airlines
  • American Airlines
  • 21/7-10/12
  • 2 total stops
  • 26h 50m total
  • London to Waterloo
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Cheapflights Fare Finder

 
Locate flights to Waterloo that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 18 June 2026.
Use the filters below to find and compare flights to Waterloo that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

14:45-00:29

1 stop15h 44m

Waterloo

Thu 10/12

15:29-08:35

1 stop11h 06m

£831

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

14:45-00:29

1 stop15h 44m

Waterloo

Sat 12/12

15:29-08:35

1 stop11h 06m

£853

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 14/7

15:00-00:29

2 stops15h 29m

Waterloo

Tue 21/7

05:06-06:15

2 stops19h 09m

£999

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

12:15-00:29

1 stop18h 14m

Waterloo

Sat 12/12

06:00-07:00

2 stops19h 00m

£1,122

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 28/7

12:15-00:29

1 stop18h 14m

Waterloo

Sat 12/12

06:00-08:35

1 stop20h 35m

£1,122

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Wed 15/7

09:45-00:29

1 stop20h 44m

Waterloo

Wed 22/7

05:06-09:05

1 stop21h 59m

£1,147

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Thu 30/7

12:15-00:29

1 stop18h 14m

Waterloo

Thu 6/8

05:00-08:05

1 stop21h 05m

£1,173

Flights are sorted by cheapest return flights first.

Deals found on 16/6

Sorted by cheapest first

Best time to book a flight to Waterloo

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

How long is the flight to Waterloo?

On average, a flight from London to Waterloo takes 18 hours 14 minutes. Flights to Waterloo from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Rainfall in Waterloo by month

Plan your trip to Waterloo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Waterloo ranges from 20.0 - 127.0 inches per month. June is typically the wettest month, when rainfall can reach 127.0 mm. January is typically the driest time to visit Waterloo when rainfall is around 20.0 mm.

Temperature in Waterloo by month

Plan your trip to Waterloo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Waterloo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -7.0 C).

FAQs about flying to Waterloo

  • What airport do you fly into for flights to Waterloo?

    Most people fly into Waterloo (ALO) if they book a flight to Waterloo. Waterloo is conveniently located just 5.3 mi from Waterloo’s city center.

  • Can I find cheaper flights to Waterloo if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Waterloo on Cheapflights that require 1 or 2 stops for potential cost savings.

  • Where does the fastest flight to Waterloo depart from?

    For those looking to save time traveling to Waterloo, London offers the quickest one-way flight (18 hours 14 minutes).

  • Does Waterloo have car hire?

    Yes. Those touching down at Waterloo can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Waterloo?

    Yes. Waterloo has hotels nearby for those requiring accommodations. The Little Red Barn is the closest property to Waterloo (2.0 mi away from Waterloo).

See more FAQs

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Fly with Cheapflights

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How does Cheapflights help users find flights to Waterloo?

Cheapflights makes it easy to find 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 to Waterloo?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Waterloo.

Can Cheapflights find flights to Waterloo with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights to Waterloo flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Waterloo today and book when you’re ready!

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