How long is the flight from Iowa to London?

United Airlines, Delta, and American Airlines can get you from Iowa to London in just under 18h 24m. Your travel time can differ by up to 2h 51m. Airlines will cover a distance of 4081 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Iowa to London?

The most popular route from Iowa to London is Omaha Eppley Airfield - London Heathrow. You may also consider Omaha Eppley Airfield - London City or Cedar Rapids - London Heathrow.

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

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

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

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

How can I find direct flights from Iowa to London?

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

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

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

£266+ Cheap Flights from Iowa to London

Cheap flight deals from Iowa to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Iowa to London
Explore the most affordable flight options available from Iowa to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 October 2026.

Tue 10/1109:25 -

1 stop19h 00m

Tue 17/1107:30 -

2 stops17h 26m

Deal found 11/10£686

Tue 10/1112:20 -

1 stop14h 15m

Tue 17/1107:30 -

2 stops18h 27m

Deal found 11/10£686

Mon 9/1108:00 -

1 stop17h 55m

Mon 16/1113:45 -

2 stops39h 14m

Deal found 10/10£688

Wed 11/1115:14 -

1 stop10h 41m

Wed 18/1106:50 -

2 stops16h 40m

Deal found 12/10£689

Tue 10/1109:14 -

2 stops15h 56m

Tue 17/1109:00 -

2 stops18h 35m

Deal found 11/10£690

Tue 10/1117:29 -

2 stops14h 16m

Tue 17/1108:40 -

2 stops16h 35m

Deal found 11/10£692

Wed 25/1110:59 -

2 stops13h 41m

Wed 9/1206:35 -

2 stops16h 28m

Deal found 11/10£692

Mon 9/1113:58 -

2 stops18h 57m

Mon 16/1119:40 -

2 stops29h 16m

Deal found 10/10£701

Thu 26/1111:36 -

1 stop15h 24m

Thu 3/1209:50 -

1 stop12h 21m

Deal found 12/10£710

Tue 10/1114:59 -

1 stop14h 41m

Tue 17/1110:50 -

1 stop13h 17m

Deal found 11/10£711

Wed 11/1108:03 -

2 stops18h 27m

Wed 18/1106:30 -

2 stops22h 26m

Deal found 12/10£711

Thu 26/1106:05 -

2 stops19h 05m

Thu 3/1215:00 -

2 stops14h 15m

Deal found 12/10£712

Best flights from Iowa to London
Discover carefully curated flight deals from Iowa to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.

Mon 1/309:00 -

1 stop18h 40m

Wed 3/309:00 -

2 stops18h 14m

Deal found 8/10£571

Mon 8/305:45 -

1 stop21h 15m

Thu 18/306:20 -

2 stops18h 40m

Deal found 8/10£674

Tue 2/313:58 -

1 stop10h 57m

Wed 10/311:00 -

1 stop18h 59m

Deal found 12/10£692

Thu 12/1109:25 -

1 stop17h 10m

Thu 19/1106:15 -

2 stops18h 39m

Deal found 8/10£725

Thu 26/1105:56 -

2 stops18h 24m

Thu 3/1212:35 -

1 stop17h 39m

Deal found 12/10£748

Tue 2/306:15 -

1 stop19h 40m

Wed 10/309:00 -

2 stops18h 14m

Deal found 13/10£667

Wed 6/108:00 -

3 stops20h 25m

Wed 13/115:00 -

2 stops27h 17m

Deal found 13/10£714

Thu 12/1117:29 -

2 stops14h 16m

Thu 19/1106:30 -

2 stops18h 47m

Deal found 10/10£729

Mon 5/408:00 -

1 stop17h 45m

Mon 12/413:50 -

2 stops35h 35m

Deal found 11/10£671

Mon 9/1106:04 -

1 stop23h 31m

Mon 16/1113:10 -

2 stops16h 28m

Deal found 12/10£751

Mon 9/1106:04 -

1 stop18h 51m

Mon 16/1111:00 -

1 stop18h 38m

Deal found 12/10£716

Sun 7/310:55 -

1 stop14h 10m

Sat 13/309:50 -

1 stop12h 07m

Deal found 8/10£731

Tue 9/308:00 -

1 stop17h 40m

Thu 18/311:35 -

1 stop13h 57m

Deal found 8/10£693

Sun 14/306:45 -

2 stops20h 00m

Sat 20/316:00 -

2 stops28h 52m

Deal found 12/10£734

Mon 23/1115:44 -

1 stop10h 51m

Mon 30/1111:45 -

2 stops17h 56m

Deal found 9/10£856

Thu 11/208:00 -

2 stops20h 15m

Mon 15/213:45 -

2 stops36h 55m

Deal found 12/10£708

Wed 18/1111:00 -

2 stops15h 35m

Sun 22/1106:20 -

2 stops20h 23m

Deal found 12/10£736

Tue 17/1111:22 -

1 stop12h 33m

Sat 5/1209:00 -

2 stops16h 19m

Deal found 8/10£726

Mon 23/1105:56 -

1 stop18h 59m

Mon 30/1115:40 -

1 stop14h 01m

Deal found 9/10£907

Tue 27/1015:24 -

2 stops14h 01m

Tue 3/1106:50 -

2 stops16h 38m

Deal found 9/10£730

Mon 23/1115:14 -

1 stop10h 41m

Mon 30/1116:40 -

2 stops35h 08m

Deal found 9/10£731

Find flight deals from Iowa to London

Round-trip from	£571
One-way from	£266
Popular in	June
Cheapest in	April
Average price	£683

United Airlines
16/3-18/3
4 total stops
42h 06m total
Iowa to London

Search Deals

2/11-31/12
2 total stops
28h 10m total
Iowa to London

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£124 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£33 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Mon 2/11

07:20-17:30

2 stops28h 10m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£266

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Sun 25/10

05:07-09:05

2 stops22h 58m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£336

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Sun 25/10

05:30-07:50

1 stop21h 20m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£404

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Mon 2/11

13:58-11:35

1 stop15h 37m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£414

Fastest return journey

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Sun 29/11

13:27-09:40

1 stop14h 13m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£414

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Fri 12/3

14:03-14:55

2 stops18h 52m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£445

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Thu 26/11

09:31-07:00

2 stops15h 29m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£451

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Thu 26/11

11:36-07:50

1 stop14h 14m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£451

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Mon 1/3

09:00-09:40

1 stop18h 40m

London Heathrow

Wed 3/3

09:00-21:14

2 stops18h 14m

£571

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Tue 2/3

06:15-07:55

1 stop19h 40m

London Heathrow

Wed 10/3

09:00-21:14

2 stops18h 14m

£667

Flights are sorted by cheapest return flights first.

Deals found on 9/10

Showing 1-10 of 30 resultsSorted by cheapest first

Best time to book a flight from Iowa to London

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

DSM-LHR

CID-LHR

ALO-LHR

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 Iowa to London

USIA-LON

DSM-LHR

CID-LHR

ALO-LHR

What is the cheapest month to book a flight from Iowa to London?

Currently, February is the cheapest month in which you can book a flight from Iowa to London (average of £636). Flying from Iowa to London in June is currently the most expensive (average of £1,126). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Iowa to London?

Airfare is below average for this route at the moment.

Iowa to London flights typically cost between £624 and £847 in March.
The cheapest return price found within the last 5 days was £571 on United Airlines (16 Mar–18 Mar).

Related info for your journey

How long is the flight from Iowa to London?
United Airlines, Delta, and American Airlines can get you from Iowa to London in just under 18h 24m. Your travel time can differ by up to 2h 51m. Airlines will cover a distance of 4081 mi. This flight may include one or multiple stops.
What are the most popular routes from Iowa to London?
The most popular route from Iowa to London is Omaha Eppley Airfield - London Heathrow. You may also consider Omaha Eppley Airfield - London City or Cedar Rapids - London Heathrow.
Can I find deals for flights from Iowa to London that include hotel bookings?
Yes. In addition to deals on Iowa to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Iowa to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Iowa to London.
Can I find deals for business class flights from Iowa to London?
Yes. Cheapflights offers flight deals from Iowa to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Iowa to London?
Currently, February is the cheapest month in which you can book a flight from Iowa to London (average of £636). Flying from Iowa to London in June is currently the most expensive (average of £1,126). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Iowa today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Iowa to London 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 Iowa to London with no change fees?

Yes, we can. To see specific flights from Iowa to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Iowa today and book when prices fit your budget.

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Cheap flights from Iowa to London from £266

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Iowa to London

Cheapest flights from Iowa to LondonExplore the most affordable flight options available from Iowa to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 October 2026.

Explore the most affordable flight options available from Iowa to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 October 2026.

Best flights from Iowa to LondonDiscover carefully curated flight deals from Iowa to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.

Discover carefully curated flight deals from Iowa to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.

Last-minute flights from Iowa to LondonDiscover last-minute flight deals from Iowa to London. Data last updated 13 October 2026 and is based on user searches.

Discover last-minute flight deals from Iowa to London. Data last updated 13 October 2026 and is based on user searches.

One-way flights from Iowa to LondonSearch for one-way flight options from Iowa to London. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.

Search for one-way flight options from Iowa to London. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.

Find flight deals from Iowa to London

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Best time to book a flight from Iowa to London

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

Cheapflights Insights

What is the cheapest month to book a flight from Iowa to London?

How much does it cost for a return flight from Iowa to London?

Airfare is below average for this route at the moment.

Iowa to London flights typically cost between £624 and £847 in March.The cheapest return price found within the last 5 days was £571 on United Airlines (16 Mar–18 Mar).

Related info for your journey

How long is the flight from Iowa to London?

What are the most popular routes from Iowa to London?

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

How can I find direct flights from Iowa to London?

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

What is the cheapest month to book a flight from Iowa to London?

Travelling to a place near London?

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Alternative routes for Iowa to London

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Complete your trip

Complete your trip to London by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

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Search flights from Iowa to London by cabin class

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Other flights to London

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

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

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Cheapest flights from Iowa to London
Explore the most affordable flight options available from Iowa to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 October 2026.

Best flights from Iowa to London
Discover carefully curated flight deals from Iowa to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.

Last-minute flights from Iowa to London
Discover last-minute flight deals from Iowa to London. Data last updated 13 October 2026 and is based on user searches.

One-way flights from Iowa to London
Search for one-way flight options from Iowa to London. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.

Iowa to London flights typically cost between £624 and £847 in March.
The cheapest return price found within the last 5 days was £571 on United Airlines (16 Mar–18 Mar).