London

$329+ Cheap flights from Iowa to London (LON)

DSM — LON
Dec 10 — Dec 171
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Cheap flight deals from Iowa to London

Cheapest flights from Iowa to London

Mon 12/72:58 pm -
1 stop14h 42m
Mon 12/148:25 pm -
2 stops26h 24m
Deal found 11/9$894
Wed 12/309:53 am -
1 stop16h 42m
Wed 1/207:35 am -
2 stops17h 38m
Deal found 11/9$925
Wed 12/93:20 pm -
2 stops22h 15m
Wed 12/235:50 pm -
2 stops33h 33m
Deal found 11/6$931
Wed 12/3011:38 am -
2 stops14h 02m
Wed 1/206:30 am -
2 stops22h 08m
Deal found 11/9$936
Sun 12/610:54 am -
1 stop13h 01m
Tue 12/227:40 am -
1 stop12h 31m
Deal found 11/7$947
Wed 12/93:20 pm -
1 stop10h 35m
Wed 12/237:40 am -
1 stop12h 55m
Deal found 11/6$954
Wed 12/911:01 am -
2 stops13h 24m
Wed 12/2311:20 am -
1 stop15h 25m
Deal found 11/6$959
Wed 12/302:54 pm -
1 stop13h 21m
Wed 1/201:35 pm -
1 stop15h 39m
Deal found 11/9$963
Mon 12/79:45 am -
1 stop15h 05m
Mon 12/141:50 pm -
1 stop15h 15m
Deal found 11/9$965
Sun 12/65:20 am -
2 stops30h 20m
Sun 12/136:40 am -
2 stops21h 58m
Deal found 11/6$967
Wed 11/116:45 pm -
2 stops16h 20m
Wed 11/1811:10 am -
2 stops16h 45m
Deal found 11/9$971
Sun 12/61:54 pm -
1 stop12h 41m
Mon 12/146:15 am -
2 stops17h 43m
Deal found 11/8$971

Find flight deals from Iowa to London

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$768
(United Airlines)

One-way from

$329
(Expedia)

Popular in

June

Cheapest in

February

Average price

$1,170
Provider with most accurate pricing for Des Moines-London (LON) flight deals.
Provider most trusted by Cheapflights users for Des Moines-London (LON) flights.
From Iowa to London (LON)
One-way flight from Iowa to London (LON)
Highest demand for flights based on searches. 18% potential increase in price ($236 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Mon 3/15

6:00 am-7:55 am

2 stops20h 55m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$339

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Tue 11/24

10:54 am-8:05 am

2 stops15h 11m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$456

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Mon 11/23

12:14 pm-10:10 am

2 stops15h 56m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$456

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Thu 12/3

7:14 am-8:05 am

2 stops18h 51m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$480

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Tue 11/24

5:15 am-7:50 am

1 stop20h 35m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$544
Quickest round-trip

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Mon 11/23

3:20 pm-9:40 am

1 stop12h 20m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$544

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Thu 12/3

8:00 am-7:10 am

3 stops17h 10m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$615

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Tue 11/24

12:14 pm-5:15 pm

3 stops23h 01m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$683

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Mon 3/15

12:54 pm-10:10 am

3 stops16h 16m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$873

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Wed 3/3

1:05 pm-5:55 am

1 stop10h 50m

London Heathrow

Wed 3/10

9:00 am-9:35 pm

2 stops18h 35m

$898

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 37 resultsSorted by cheapest first
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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.
Estimated round-trip price

Cheapflights Insights

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

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 $888). Flying from Iowa to London in June is currently the most expensive (average of $1,566). 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 to fly round-trip from Iowa to London?

Airfare is below average for this route at the moment.
Iowa to London flights typically cost between $979 and $1,236 in March.
The cheapest round-trip price found within the last 5 days was $768 on United Airlines (Mar 1-Mar 3).

Related info for your journey

  • How long is the flight from Iowa to London?

    There are many flights that can get you from Iowa to London in 10h 05m. Fly via United Airlines, Delta, or American Airlines to get the fastest option. The distance between Iowa and London is about 4176 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Iowa to London?

  • 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 vacation 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 $888). Flying from Iowa to London in June is currently the most expensive (average of $1,566). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Gatwick
Hounslow
Wembley
Harrow
Southend-on-Sea
Basingstoke
Watford
Dartford
Winchester
Croydon
Kingston upon Thames
Chipping Norton
Slough
Eastbourne
Stansted
Sutton
Luton
Bedford

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Iowa to London

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$449Average$771FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$582Average$1,107FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$583Average$1,091FlexibilityNo cancel feeOn-time71%
DeltaCheapest$674Average$1,186FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$696Average$1,098FlexibilityNo cancel feeOn-time69%

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