What are the cheapest airlines flying from London to Waterloo, Iowa round-trip?

According to our current data, American Airlines (£683), Finnair (£901), and British Airways (£1,170) offers the cheapest pricing from London to Waterloo, Iowa.

What is the cheapest day to fly from London to Waterloo, Iowa?

Travellers seeking maximum savings on their London to Waterloo, Iowa flight should consider departing on Monday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Waterloo, Iowa 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, Iowa when rainfall is around 20.0 mm.

If weather is an important factor for your trip to Waterloo, Iowa, 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).

What is the cheapest time of day to fly from LON to ALO?

When flying from London to Waterloo, Iowa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Waterloo from London?

Located just 5.3 mi from the city center, Waterloo is the airport most travelers will use when flying to Waterloo from London. Booking flights from London to Waterloo (ALO) should be relatively easy as there are 0 daily inbound flights from London from 0 different airlines.

Can I find deals for flights from London to Waterloo that include hotel bookings?

Yes. In addition to deals on London to Waterloo flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Waterloo?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Waterloo.

Can I find deals for business class flights from London to Waterloo?

Yes. Cheapflights offers flight deals from London to Waterloo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£683+ Flights from London to Waterloo, Iowa

Cheap flight deals from London to Waterloo

Round-trip from	£683

American Airlines
3/12-7/12
4 total stops
55h 10m total
London to Waterloo

Search Deals

Find flight deals from London to Waterloo

Cheapest flights from London to Waterloo
Explore the most affordable flight options available from London to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

Wed 3/1206:15LHR - ALO

2 stops21h 46mAmerican Airlines

Sun 7/1214:51ALO - LHR

2 stops33h 24mAmerican Airlines

Deal found 29/6£683

Tue 5/819:05LHR - ALO

2 stops25h 39mFinnair

Sun 17/815:14ALO - LHR

2 stops33h 06mFinnair

Deal found 2/7£901

Mon 28/713:10LHR - ALO

1 stop16h 19mMultiple Airlines

Mon 4/806:00ALO - LHR

1 stop18h 50mMultiple Airlines

Deal found 30/6£1,147

Thu 14/812:15LHR - ALO

1 stop17h 22mBritish Airways

Thu 21/815:14ALO - LHR

1 stop10h 06mBritish Airways

Deal found 30/6£1,170

Best flights from London to Waterloo
Discover carefully curated flight deals from London to Waterloo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 July 2025.

Wed 3/1206:15LHR - ALO

2 stops21h 46mAmerican Airlines

Sun 7/1214:51ALO - LHR

2 stops33h 24mAmerican Airlines

Deal found 29/6£683

Tue 5/819:05LHR - ALO

2 stops25h 39mFinnair

Sun 17/815:14ALO - LHR

2 stops33h 06mFinnair

Deal found 2/7£901

Mon 28/713:10LHR - ALO

1 stop16h 19mMultiple Airlines

Mon 4/806:00ALO - LHR

1 stop18h 50mMultiple Airlines

Deal found 30/6£1,147

Thu 14/812:15LHR - ALO

1 stop17h 22mBritish Airways

Thu 21/815:14ALO - LHR

1 stop10h 06mBritish Airways

Deal found 30/6£1,170

Last-minute flights from London to Waterloo
Discover last-minute flight deals from London to Waterloo. Data last updated 2 July 2025 and is based on user searches.

Tue 5/809:15LHR - ALO

1 stop11h 35mFinnair

Sun 17/815:14ALO - LHR

2 stops33h 06mFinnair

Deal found 2/7£901

Sat 16/809:15LHR - ALO

1 stop15h 08mAmerican Airlines

Sat 23/806:00ALO - LHR

1 stop18h 50mAmerican Airlines

Deal found 2/7£982

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Waterloo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Wed 3/12

06:15-22:01

2 stops21h 46m

Waterloo

Sun 7/12

14:51-06:15

2 stops33h 24m

£683

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Tue 5/8

19:05-14:44

2 stops25h 39m

Waterloo

Sun 17/8

15:14-06:20

2 stops33h 06m

£901

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Mon 28/7

13:10-23:29

1 stop16h 19m

Waterloo

Mon 4/8

06:00-06:50

1 stop18h 50m

£1,147

LondonWaterloo

LHR - ALO

LHRALO

London Heathrow

Thu 14/8

12:15-23:37

1 stop17h 22m

Waterloo

Thu 21/8

15:14-07:20

1 stop10h 06m

£1,170

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Best time to book a flight from London to Waterloo

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Waterloo

Check out reviews from past customers who have flown with Finnair, American Airlines, andBritish Airways from London to Waterloo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Finnair

7.6

Good

1,301 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Finnair

7.6

Good

1,301 reviews

Finnair

7.6

Good

1,301 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

American Airlines

7.2

Good

10,000 reviews

Finnair

7.6

Good

1,301 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

British Airways

6.6

Okay

7,089 reviews

Finnair

7.6

Good

1,301 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Related info for your journey

What airport do you fly into for flights to Waterloo from London?
Located just 5.3 mi from the city center, Waterloo is the airport most travelers will use when flying to Waterloo from London. Booking flights from London to Waterloo (ALO) should be relatively easy as there are 0 daily inbound flights from London from 0 different airlines.
What are the cheapest airlines flying from London to Waterloo, Iowa round-trip?
According to our current data, American Airlines (£683), Finnair (£901), and British Airways (£1,170) offers the cheapest pricing from London to Waterloo, Iowa.
Can I find deals for flights from London to Waterloo that include hotel bookings?
Yes. In addition to deals on London to Waterloo flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Waterloo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Waterloo.
Can I find deals for business class flights from London to Waterloo?
Yes. Cheapflights offers flight deals from London to Waterloo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Waterloo

Direct flights to United States

Fly with Cheapflights

How does Cheapflights help users find flights from London to Waterloo?

Cheapflights helps you search for flights from London to Waterloo via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Waterloo?

Cheapflights simply makes it quick and affordable to book flights from London to Waterloo by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Waterloo with no change fees?

Yes! Cheapflights helps users easily find flights from London to Waterloo with no change fees.

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

Yes, Cheapflights offers price alerts on London to Waterloo flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London to Waterloo, Iowa from £683

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Waterloo

Round-trip from

Find flight deals from London to Waterloo

Cheapest flights from London to WaterlooExplore the most affordable flight options available from London to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

Explore the most affordable flight options available from London to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Waterloo that are best for you.

Best time to book a flight from London to Waterloo

Have a flexible travel schedule? Discover the best time to fly to Waterloo from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to Waterloo

Reviews of airlines servicing Waterloo

Check out reviews from past customers who have flown with Finnair, American Airlines, andBritish Airways from London to Waterloo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Waterloo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Waterloo from London?

What are the cheapest airlines flying from London to Waterloo, Iowa round-trip?

Can I find deals for flights from London to Waterloo that include hotel bookings?

How can I find direct flights from London to Waterloo?

Can I find deals for business class flights from London to Waterloo?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Waterloo

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Waterloo?

Why should you use Cheapflights to find cheap flight tickets from London to Waterloo?

Can Cheapflights find flights from London to Waterloo with no change fees?

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Waterloo
Explore the most affordable flight options available from London to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.