£801+ Cheap flights to Waterloo, Iowa

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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
— ALO
8 Jun — 15 Jun1
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 9 May 2026.

Tue 2/609:45
LHR
-
ALO
1 stop20h 42m
American Airlines
Tue 9/605:00
ALO
-
LHR
2 stops19h 15m
American Airlines
Deal found 5/5£996
Tue 2/615:15
LHR
-
ALO
1 stop15h 12m
Multiple Airlines
Tue 9/605:00
ALO
-
LHR
1 stop24h 15m
Multiple Airlines
Deal found 5/5£1,059
Wed 3/614:45
LHR
-
ALO
1 stop15h 42m
American Airlines
Wed 10/615:00
ALO
-
LHR
2 stops13h 15m
American Airlines
Deal found 6/5£1,064
Fri 5/611:10
LHR
-
ALO
1 stop19h 11m
Multiple Airlines
Fri 12/615:00
ALO
-
LHR
1 stop14h 15m
Multiple Airlines
Deal found 8/5£1,169
Fri 5/612:15
LHR
-
ALO
1 stop18h 06m
American Airlines
Fri 12/615:00
ALO
-
LHR
1 stop14h 15m
American Airlines
Deal found 8/5£1,172
Mon 27/715:15
LHR
-
ALO
1 stop15h 14m
Multiple Airlines
Sat 12/1206:00
ALO
-
LHR
1 stop23h 35m
Multiple Airlines
Deal found 6/5£1,849
Sun 26/715:15
LHR
-
ALO
1 stop15h 14m
Multiple Airlines
Sat 12/1215:29
ALO
-
LHR
1 stop14h 06m
Multiple Airlines
Deal found 6/5£1,889

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 9 May 2026.

Return from

£996

One-way from

£801
American Airlines
  • American Airlines
  • 2/6-9/6
  • 3 total stops
  • 39h 57m total
  • London to Waterloo
22/6
  • 22/6
  • 1 total stop
  • 15h 06m total
  • London to Waterloo

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 9 May 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

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 2/6

09:45-00:27

1 stop20h 42m

Waterloo

Tue 9/6

05:00-06:15

2 stops19h 15m

£996

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 2/6

15:15-00:27

1 stop15h 12m

Waterloo

Tue 9/6

05:00-11:15

1 stop24h 15m

£1,059

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Fri 5/6

11:10-00:21

1 stop19h 11m

Waterloo

Fri 12/6

15:00-11:15

1 stop14h 15m

£1,169

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Fri 5/6

12:15-00:21

1 stop18h 06m

Waterloo

Fri 12/6

15:00-11:15

1 stop14h 15m

£1,172

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Mon 27/7

15:15-00:29

1 stop15h 14m

Waterloo

Sat 12/12

06:00-11:35

1 stop23h 35m

£1,849
Fastest return journey

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Sun 26/7

15:15-00:29

1 stop15h 14m

Waterloo

Sat 12/12

15:29-11:35

1 stop14h 06m

£1,889
Cheapest one-way
Fastest single journey

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Mon 22/6

15:15-00:21

1 stop15h 06m

£801

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Thu 4/6

11:10-00:21

1 stop19h 11m

£848

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Mon 27/7

15:15-00:29

1 stop15h 14m

£860

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Fri 19/6

15:15-00:21

1 stop15h 06m

£862

Flights are sorted by cheapest return flights first.

Deals found on 7/5

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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 19 hours 17 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 (19 hours 17 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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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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