Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Waterloo, Iowa to London from $479

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Waterloo, Iowa to London departing on 10/23. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Waterloo, Iowa to London (ALO-LHR)

Cheap round-trip flights

American Airlines Logo
6:00 am - 9:05 amALO-LHR
21h 05m1 stop
American Airlines Logo
2:10 pm - 2:55 pmLHR-ALO
29h 45m1 stop
$744American Airlines
Find Deal
Tue, Oct 21 - Tue, Oct 28
American Airlines Logo
3:25 pm - 7:20 amALO-LHR
9h 55m1 stop
American Airlines Logo
10:15 am - 10:12 pmLHR-ALO
16h 57m2 stops
$758American Airlines
Find Deal
Tue, Oct 21 - Tue, Oct 28
American Airlines Logo
3:28 pm - 10:25 amALO-LHR
12h 57m1 stop
American Airlines Logo
3:45 pm - 11:48 pmLHR-ALO
14h 03m1 stop
$960American Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
British Airways Logo
6:01 am - 6:50 amALO-LHR
18h 49m1 stop
British Airways Logo
11:05 am - 10:05 pmLHR-ALO
17h 00m1 stop
$1,624British Airways
Find Deal
Mon, Sep 22 - Fri, Sep 26
American Airlines Logo
3:38 pm - 10:40 amALO-LHR
13h 02m2 stops
American Airlines Logo
1:10 pm - 10:05 pmLHR-ALO
14h 55m1 stop
$1,664American Airlines
Find Deal
Mon, Sep 22 - Fri, Sep 26

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 21
ALO6:00 amWaterloo
21h 05m
1 stop
LHR9:05 amLondon Heathrow
Oct 28
LHR2:10 pmLondon Heathrow
29h 45m
1 stop
ALO2:55 pmWaterloo
$744
Find similar
American Airlines
Oct 21
ALO3:25 pmWaterloo
9h 55m
1 stop
LHR7:20 amLondon Heathrow
Oct 28
LHR10:15 amLondon Heathrow
16h 57m
2 stops
ALO10:12 pmWaterloo
$758
Find similar
American Airlines
Nov 12
ALO3:28 pmWaterloo
12h 57m
1 stop
LHR10:25 amLondon Heathrow
Nov 16
LHR3:45 pmLondon Heathrow
14h 03m
1 stop
ALO11:48 pmWaterloo
$960
Find similar

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 September 8, 2025.
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

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Tue 10/21

6:00 am-9:05 am

1 stop21h 05m

London Heathrow

Tue 10/28

2:10 pm-2:55 pm

1 stop29h 45m

$744

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Tue 10/21

3:25 pm-7:20 am

1 stop9h 55m

London Heathrow

Tue 10/28

10:15 am-10:12 pm

2 stops16h 57m

$758

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Wed 11/12

3:28 pm-10:25 am

1 stop12h 57m

London Heathrow

Sun 11/16

3:45 pm-11:48 pm

1 stop14h 03m

$960

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Mon 9/22

6:01 am-6:50 am

1 stop18h 49m

London Heathrow

Fri 9/26

11:05 am-10:05 pm

1 stop17h 00m

$1,624

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Mon 9/22

3:38 pm-10:40 am

2 stops13h 02m

London Heathrow

Fri 9/26

1:10 pm-10:05 pm

1 stop14h 55m

$1,664

WaterlooLondon

ALO - LHR

ALOLHR

Waterloo

Thu 10/23

3:25 pm-7:20 am

1 stop9h 55m

$479

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

American Airlines is the most popular carrier operating from Waterloo to London Heathrow

What airlines fly to London Heathrow Airport?

American Airlines, United Airlines and British Airways are the top three most popular airlines that fly to London Heathrow Airport from Waterloo, Iowa according to our data. American Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 5 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

Direct flights

None
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

  • How far is Waterloo to London Heathrow by plane?

    London Heathrow is 4081.6 mi away from Waterloo. By plane, this route typically takes 9h 55m.

  • 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
Gatwick
Hounslow
Luton
Dover
Slough
Milton Keynes
Hayes
Guildford
Dartford
Stansted
Crawley
Chelmsford
Brentwood
Salisbury
Ilford
Folkestone
Colchester
Swindon
Stratford-upon-Avon
Watford

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.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 10/8
Wed 10/15
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Gatwick Airportfrom $346
Flights to London City Airportfrom $423
Flights to London Stansted Airportfrom $388
Flights to London Luton Airportfrom $413
Flights to Glasgow Intl Airportfrom $394
Flights to Belfast Intl Airportfrom $526
Flights to London Southend Airportfrom $451
Flights to Belfast City Airportfrom $513