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Cheap flights from Waterloo, Iowa to London from $910

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Waterloo, Iowa to London departing on 10/6. 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

Find the cheapest flights from Waterloo, Iowa to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:07 am - 9:05 amALO  Waterloo-LHR London Heathrow
20h 58m1 stop Chicago O'Hare Intl
American Airlines Logo
9:45 am - 11:41 pmLHR  London Heathrow-ALO Waterloo
19h 56m1 stop Chicago O'Hare Intl
$910American Airlines
Tue, Oct 6 - Fri, Oct 16
American Airlines Logo
6:07 am - 5:50 amALO  Waterloo-LHR London Heathrow
17h 43m2 stops Chicago O'Hare Intl Newark
American Airlines Logo
2:45 pm - 11:41 pmLHR  London Heathrow-ALO Waterloo
14h 56m1 stop Chicago O'Hare Intl
$915American Airlines
Tue, Oct 6 - Fri, Oct 16
American Airlines Logo
6:07 am - 5:50 amALO  Waterloo-LHR London Heathrow
17h 43m2 stops Chicago O'Hare Intl Newark
American Airlines Logo
3:35 pm - 11:41 pmLHR  London Heathrow-ALO Waterloo
14h 06m2 stops Cincinnati Cinci./N. Kentucky Chicago O'Hare Intl
$919American Airlines
Tue, Oct 6 - Fri, Oct 16
American Airlines Logo
3:50 pm - 8:35 amALO  Waterloo-LHR London Heathrow
10h 45m1 stop Chicago O'Hare Intl
American Airlines Logo
4:30 pm - 11:59 pmLHR  London Heathrow-ALO Waterloo
13h 29m1 stop Chicago O'Hare Intl
$960American Airlines
Mon, Nov 2 - Mon, Nov 9
American Airlines Logo
3:50 pm - 8:35 amALO  Waterloo-LHR London Heathrow
10h 45m1 stop Chicago O'Hare Intl
American Airlines Logo
11:40 am - 11:59 pmLHR  London Heathrow-ALO Waterloo
18h 19m2 stops Boston Logan Intl Chicago O'Hare Intl
$965American Airlines
Mon, Nov 2 - Mon, Nov 9
American Airlines Logo
3:50 pm - 11:40 amALO  Waterloo-LHR London Heathrow
13h 50m2 stops Chicago O'Hare Intl Charlotte Douglas
American Airlines Logo
11:40 am - 11:59 pmLHR  London Heathrow-ALO Waterloo
18h 19m2 stops Boston Logan Intl Chicago O'Hare Intl
$969American Airlines
Mon, Nov 2 - Mon, Nov 9
British Airways Logo
5:00 am - 6:55 amALO  Waterloo-LHR London Heathrow
19h 55m1 stop Chicago O'Hare Intl
British Airways Logo
3:20 pm - 3:18 pmLHR  London Heathrow-ALO Waterloo
53h 58m2 stops Dublin Chicago O'Hare Intl
$1,108British Airways
Tue, Nov 24 - Mon, Nov 30
British Airways Logo
5:00 am - 6:30 amALO  Waterloo-LHR London Heathrow
19h 30m2 stops Chicago O'Hare Intl Newark
British Airways Logo
6:15 pm - 3:18 pmLHR  London Heathrow-ALO Waterloo
51h 03m2 stops Dublin Chicago O'Hare Intl
$1,112British Airways
Tue, Nov 24 - Mon, Nov 30
British Airways Logo
5:00 am - 6:55 amALO  Waterloo-LHR London Heathrow
19h 55m1 stop Chicago O'Hare Intl
British Airways Logo
11:00 am - 12:06 amLHR  London Heathrow-ALO Waterloo
19h 06m1 stop Chicago O'Hare Intl
$1,261British Airways
Tue, Nov 24 - Mon, Nov 30
Multiple Airlines Logo
5:00 am - 6:45 amALO  Waterloo-LHR London Heathrow
19h 45m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
6:50 am - 2:52 pmLHR  London Heathrow-ALO Waterloo
14h 02m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$6,120Multiple Airlines
Tue, Sep 1 - Mon, Sep 7

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American Airlines flights from Waterloo, Iowa to London Heathrow Airport

Our best American Airlines deals on Waterloo, Iowa to London Heathrow Airport flight tickets
American Airlines
Oct 6
ALO6:07 amWaterloo
20h 58m
1 stop
LHR9:05 amLondon Heathrow
Oct 16
LHR9:45 amLondon Heathrow
19h 56m
1 stop
ALO11:41 pmWaterloo
$910
American Airlines
Oct 6
ALO6:07 amWaterloo
17h 43m
2 stops
LHR5:50 amLondon Heathrow
Oct 16
LHR2:45 pmLondon Heathrow
14h 56m
1 stop
ALO11:41 pmWaterloo
$915
American Airlines
Oct 6
ALO6:07 amWaterloo
17h 43m
2 stops
LHR5:50 amLondon Heathrow
Oct 16
LHR3:35 pmLondon Heathrow
14h 06m
2 stops
ALO11:41 pmWaterloo
$919

British Airways flights from Waterloo, Iowa to London Heathrow Airport

Our best British Airways deals on Waterloo, Iowa to London Heathrow Airport flight tickets
British Airways
Nov 24
ALO5:00 amWaterloo
19h 55m
1 stop
LHR6:55 amLondon Heathrow
Nov 30
LHR3:20 pmLondon Heathrow
53h 58m
2 stops
ALO3:18 pmWaterloo
$1,108
British Airways
Nov 24
ALO5:00 amWaterloo
19h 30m
2 stops
LHR6:30 amLondon Heathrow
Nov 30
LHR6:15 pmLondon Heathrow
51h 03m
2 stops
ALO3:18 pmWaterloo
$1,112
British Airways
Nov 24
ALO5:00 amWaterloo
19h 55m
1 stop
LHR6:55 amLondon Heathrow
Nov 30
LHR11:00 amLondon Heathrow
19h 06m
1 stop
ALO12:06 amWaterloo
$1,261

momondo Fare Finder

 
Customize your flight search to find flights from Waterloo, Iowa to London Heathrow Airport 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 832,500 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Waterloo, Iowa to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WaterlooLondon

ALO Waterloo - LHR London Heathrow

ALOLHR

Waterloo

Tue 10/6

6:07 am-9:05 am

1 stop20h 58m

London Heathrow

Fri 10/16

9:45 am-11:41 pm

1 stop19h 56m

$910

WaterlooLondon

ALO Waterloo - LHR London Heathrow

ALOLHR

Waterloo

Tue 10/6

6:07 am-5:50 am

2 stops17h 43m

London Heathrow

Fri 10/16

2:45 pm-11:41 pm

1 stop14h 56m

$915

WaterlooLondon

ALO Waterloo - LHR London Heathrow

ALOLHR

Waterloo

Tue 10/6

6:07 am-5:50 am

2 stops17h 43m

London Heathrow

Fri 10/16

3:35 pm-11:41 pm

2 stops14h 06m

$919
Quickest round-trip

WaterlooLondon

ALO Waterloo - LHR London Heathrow

ALOLHR

Waterloo

Mon 11/2

3:50 pm-8:35 am

1 stop10h 45m

London Heathrow

Mon 11/9

4:30 pm-11:59 pm

1 stop13h 29m

$960

WaterlooLondon

ALO Waterloo - LHR London Heathrow

ALOLHR

Waterloo

Mon 11/2

3:50 pm-8:35 am

1 stop10h 45m

London Heathrow

Mon 11/9

11:40 am-11:59 pm

2 stops18h 19m

$965

WaterlooLondon

ALO Waterloo - LHR London Heathrow

ALOLHR

Waterloo

Mon 11/2

3:50 pm-11:40 am

2 stops13h 50m

London Heathrow

Mon 11/9

11:40 am-11:59 pm

2 stops18h 19m

$969

WaterlooLondon

ALO Waterloo - LHR London Heathrow

ALOLHR

Waterloo

Tue 11/24

5:00 am-6:55 am

1 stop19h 55m

London Heathrow

Mon 11/30

3:20 pm-3:18 pm

2 stops53h 58m

$1,108

WaterlooLondon

ALO Waterloo - LHR London Heathrow

ALOLHR

Waterloo

Tue 11/24

5:00 am-6:30 am

2 stops19h 30m

London Heathrow

Mon 11/30

6:15 pm-3:18 pm

2 stops51h 03m

$1,112

WaterlooLondon

ALO Waterloo - LHR London Heathrow

ALOLHR

Waterloo

Tue 11/24

5:00 am-6:55 am

1 stop19h 55m

London Heathrow

Mon 11/30

11:00 am-12:06 am

1 stop19h 06m

$1,261

WaterlooLondon

ALO Waterloo - LHR London Heathrow

ALOLHR

Waterloo

Tue 9/1

5:00 am-6:45 am

1 stop19h 45m

London Heathrow

Mon 9/7

6:50 am-2:52 pm

2 stops14h 02m

$6,120

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

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

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 airlines fly to London Heathrow Airport?

United Airlines, British Airways and American Airlines are the top three most popular airlines that fly to London Heathrow Airport from Waterloo, Iowa according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 4 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Waterloo, Iowa to London Heathrow Airport

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

Cheap Waterloo, Iowa to London Heathrow Airport (ALO to LHR) flight deals and tips

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

Fastest flight time

18h 43m

Direct flights

None
The fastest flight from Waterloo, Iowa to London Heathrow Airport takes 18h 43m
There are no direct flights from Waterloo, Iowa to London Heathrow Airport. There are no popular flight routes from Waterloo, Iowa to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Waterloo, Iowa to London Heathrow Airport

  • How far is Waterloo to London Heathrow by plane?

    London Heathrow is 4081.6 mi away from Waterloo. By plane, this route typically takes 18h 43m.

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

    Prices for flights from Waterloo Airport to London Heathrow Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Waterloo Airport to London Heathrow Airport.

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

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Stratford-upon-Avon
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Worthing
Romford
Ilford

Why use momondo?

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

It is quick and easy to find Waterloo to London 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 London that suits you.

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

Yes. All flights to London from Waterloo on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to London from Waterloo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to London from Waterloo 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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