Cheap flights from London to Waterloo from £982

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Waterloo departing on 21/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from London to Waterloo

Cheap return flights

Enter your travel dates to find the best prices.
Finnair Logo
12:15 - 00:29
LHR
-
ALO
18h 14m
1 stop
Finnair Logo
06:00 - 10:25
ALO
-
LHR
22h 25m
2 stops
£1,069Finnair
Tue, 21 Jul - Sat, 12 Dec
Finnair Logo
12:15 - 00:29
LHR
-
ALO
18h 14m
1 stop
Finnair Logo
06:00 - 10:25
ALO
-
LHR
22h 25m
2 stops
£1,077Finnair
Tue, 21 Jul - Sat, 12 Dec
American Airlines Logo
09:45 - 00:29
LHR
-
ALO
20h 44m
1 stop
American Airlines Logo
05:06 - 06:15
ALO
-
LHR
19h 09m
2 stops
£1,105American Airlines
Tue, 21 Jul - Tue, 28 Jul
American Airlines Logo
15:00 - 00:29
LHR
-
ALO
15h 29m
2 stops
American Airlines Logo
05:06 - 06:15
ALO
-
LHR
19h 09m
2 stops
£1,108American Airlines
Tue, 21 Jul - Tue, 28 Jul
Finnair Logo
14:45 - 00:29
LHR
-
ALO
15h 44m
1 stop
Finnair Logo
06:00 - 08:35
ALO
-
LHR
20h 35m
1 stop
£1,123Finnair
Tue, 21 Jul - Sat, 12 Dec
Finnair Logo
14:45 - 00:29
LHR
-
ALO
15h 44m
1 stop
Finnair Logo
06:00 - 08:35
ALO
-
LHR
20h 35m
1 stop
£1,136Finnair
Tue, 21 Jul - Sat, 12 Dec
Finnair Logo
12:15 - 14:53
LHR
-
ALO
32h 38m
1 stop
Finnair Logo
06:00 - 10:25
ALO
-
LHR
22h 25m
1 stop
£1,138Finnair
Tue, 21 Jul - Sat, 12 Dec
Finnair Logo
12:00 - 00:29
LHR
-
ALO
18h 29m
2 stops
Finnair Logo
15:29 - 11:40
ALO
-
LHR
14h 11m
2 stops
£1,144Finnair
Tue, 21 Jul - Sat, 12 Dec
Finnair Logo
14:45 - 00:29
LHR
-
ALO
15h 44m
1 stop
Finnair Logo
06:00 - 08:35
ALO
-
LHR
20h 35m
1 stop
£1,146Finnair
Tue, 21 Jul - Sat, 12 Dec
American Airlines Logo
12:15 - 00:29
LHR
-
ALO
18h 14m
1 stop
American Airlines Logo
05:06 - 08:05
ALO
-
LHR
20h 59m
1 stop
£1,148American Airlines
Tue, 21 Jul - Tue, 28 Jul

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American Airlines flights from London to Waterloo, Iowa

Our best American Airlines deals on London to Waterloo, Iowa flight tickets
American Airlines
21 Jul
LHR09:45London Heathrow
20h 44m
1 stop
ALO00:29Waterloo
28 Jul
ALO05:06Waterloo
19h 09m
2 stops
LHR06:15London Heathrow
£1,105
American Airlines
21 Jul
LHR15:00London Heathrow
15h 29m
2 stops
ALO00:29Waterloo
28 Jul
ALO05:06Waterloo
19h 09m
2 stops
LHR06:15London Heathrow
£1,108
American Airlines
21 Jul
LHR12:15London Heathrow
18h 14m
1 stop
ALO00:29Waterloo
28 Jul
ALO05:06Waterloo
20h 59m
1 stop
LHR08:05London Heathrow
£1,148

Finnair flights from London to Waterloo, Iowa

Our best Finnair deals on London to Waterloo, Iowa flight tickets
Finnair
21 Jul
LHR12:15London Heathrow
18h 14m
1 stop
ALO00:29Waterloo
12 Dec
ALO06:00Waterloo
22h 25m
2 stops
LHR10:25London Heathrow
£1,069
Finnair
21 Jul
LHR12:15London Heathrow
18h 14m
1 stop
ALO00:29Waterloo
12 Dec
ALO06:00Waterloo
22h 25m
2 stops
LHR10:25London Heathrow
£1,077
Finnair
21 Jul
LHR14:45London Heathrow
15h 44m
1 stop
ALO00:29Waterloo
12 Dec
ALO06:00Waterloo
20h 35m
1 stop
LHR08:35London Heathrow
£1,123

momondo Fare Finder

 
Customise your flight search to find flights from London to Waterloo, Iowa 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, momondo users made 279,928 searches. Data last updated 27 June 2026.
Use the filters below to find and compare flights from London to Waterloo, Iowa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

12:15-00:29

1 stop18h 14m

Waterloo

Sat 12/12

06:00-10:25

2 stops22h 25m

£1,069

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

12:15-00:29

1 stop18h 14m

Waterloo

Sat 12/12

06:00-10:25

2 stops22h 25m

£1,077

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

09:45-00:29

1 stop20h 44m

Waterloo

Tue 28/7

05:06-06:15

2 stops19h 09m

£1,105

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

15:00-00:29

2 stops15h 29m

Waterloo

Tue 28/7

05:06-06:15

2 stops19h 09m

£1,108

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

14:45-00:29

1 stop15h 44m

Waterloo

Sat 12/12

06:00-08:35

1 stop20h 35m

£1,123

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

14:45-00:29

1 stop15h 44m

Waterloo

Sat 12/12

06:00-08:35

1 stop20h 35m

£1,136

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

12:15-14:53

1 stop32h 38m

Waterloo

Sat 12/12

06:00-10:25

1 stop22h 25m

£1,138
Fastest return journey

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

12:00-00:29

2 stops18h 29m

Waterloo

Sat 12/12

15:29-11:40

2 stops14h 11m

£1,144

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

14:45-00:29

1 stop15h 44m

Waterloo

Sat 12/12

06:00-08:35

1 stop20h 35m

£1,146

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 21/7

12:15-00:29

1 stop18h 14m

Waterloo

Tue 28/7

05:06-08:05

1 stop20h 59m

£1,148

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Waterloo from

How to get the cheapest flight ticket from London to Waterloo, Iowa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from London to Waterloo?

American Airlines and Finnair are the most popular carriers operating from London to Waterloo

Which airlines fly to Waterloo, Iowa?

British Airways, United Airlines and Virgin Atlantic are the top three most popular airlines that fly to Waterloo, Iowa from London according to our data. British Airways is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Waterloo, Iowa. Keep in mind that there are 5 different airlines that fly to Waterloo, Iowa on a routine basis, so you have a few additional options to choose from.

When to book flights from London to Waterloo, Iowa

Are you open to changing your travel dates? Check out the ideal times to fly from London to Waterloo, Iowa according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Waterloo, Iowa (LON to ALO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Waterloo, Iowa

Fastest flight time

18h 14m

Direct flights

None
The fastest flight from London to Waterloo, Iowa takes 18h 14m
There are no direct flights from London to Waterloo, Iowa. There are no popular flight routes from London to Waterloo, Iowa.

Frequently asked questions about flying from London to Waterloo, Iowa

  • How far is London to Waterloo by plane?

    A flight from London to Waterloo will travel around 4092.8 mi. A reasonable flight in good conditions will take 18h 14m.

  • When did momondo last update prices for flights from London to Waterloo Airport?

    Prices for flights from London to Waterloo Airport are updated daily.

  • How old do you have to be to fly from London to Waterloo Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Waterloo Airport.

  • What documentation or ID do you need to fly to Waterloo Airport?

    The travel and health documents you'll need for your trip to Waterloo Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Waterloo Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Waterloo?

It is quick and easy to find London to Waterloo flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Waterloo that suits you.

Can I find flights from London to Waterloo with flexible booking policies on momondo?

momondo does allow users to show only those flights to Waterloo from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Waterloo?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Waterloo.

I’m not ready to book a flight from London to Waterloo right now. Can momondo alert me if prices change?

Price alerts on flights to Waterloo from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Mon 27/7
Mon 3/8

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