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Cheap flights from Des Moines to London from £251

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Des Moines to London departing on 15/9. 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
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Find the cheapest flights from Des Moines to London

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
18:51 - 06:45
DSM
-
LHR
29h 54m
1 stop
United Airlines Logo
12:10 - 19:24
LHR
-
DSM
37h 14m
2 stops
£662United Airlines
Sat, 1 Aug - Thu, 20 Aug
United Airlines Logo
11:34 - 09:40
DSM
-
LHR
16h 06m
1 stop
United Airlines Logo
14:05 - 14:11
LHR
-
DSM
30h 06m
2 stops
£664United Airlines
Wed, 23 Sep - Fri, 2 Oct
United Airlines Logo
11:34 - 12:20
DSM
-
LHR
18h 46m
1 stop
United Airlines Logo
14:05 - 14:11
LHR
-
DSM
30h 06m
2 stops
£664United Airlines
Wed, 23 Sep - Fri, 2 Oct
United Airlines Logo
13:40 - 09:40
DSM
-
LHR
14h 00m
1 stop
United Airlines Logo
14:05 - 14:11
LHR
-
DSM
30h 06m
2 stops
£665United Airlines
Wed, 23 Sep - Fri, 2 Oct
United Airlines Logo
08:00 - 10:00
DSM
-
LHR
20h 00m
2 stops
United Airlines Logo
14:05 - 14:11
LHR
-
DSM
30h 06m
2 stops
£666United Airlines
Sun, 27 Sep - Fri, 2 Oct
United Airlines Logo
06:15 - 06:30
DSM
-
LHR
18h 15m
2 stops
United Airlines Logo
14:05 - 14:11
LHR
-
DSM
30h 06m
2 stops
£667United Airlines
Sun, 27 Sep - Fri, 2 Oct
Air Canada Logo
05:00 - 06:30
DSM
-
LHR
19h 30m
2 stops
Air Canada Logo
14:05 - 14:11
LHR
-
DSM
30h 06m
2 stops
£667Air Canada
Wed, 23 Sep - Fri, 2 Oct
United Airlines Logo
20:15 - 21:35
DSM
-
LHR
19h 20m
2 stops
United Airlines Logo
14:05 - 14:11
LHR
-
DSM
30h 06m
2 stops
£669United Airlines
Sun, 27 Sep - Fri, 2 Oct
Air Canada Logo
05:00 - 06:30
DSM
-
LHR
19h 30m
2 stops
Air Canada Logo
17:40 - 14:05
LHR
-
DSM
26h 25m
2 stops
£671Air Canada
Sun, 13 Sep - Fri, 18 Sep
Lufthansa Logo
13:10 - 10:40
DSM
-
LHR
15h 30m
2 stops
Lufthansa Logo
10:50 - 21:23
LHR
-
DSM
16h 33m
2 stops
£674Lufthansa
Wed, 29 Apr - Fri, 8 May

Air Canada flights from Des Moines to London Heathrow Airport

Our best Air Canada deals on Des Moines to London Heathrow Airport flight tickets
Air Canada
23 Sept
DSM05:00Des Moines
19h 30m
2 stops
LHR06:30London Heathrow
2 Oct
LHR14:05London Heathrow
30h 06m
2 stops
DSM14:11Des Moines
£667
Air Canada
13 Sept
DSM05:00Des Moines
19h 30m
2 stops
LHR06:30London Heathrow
18 Sept
LHR17:40London Heathrow
26h 25m
2 stops
DSM14:05Des Moines
£671
Air Canada
16 Sept
DSM05:00Des Moines
21h 35m
2 stops
LHR08:35London Heathrow
23 Sept
LHR14:05London Heathrow
16h 29m
2 stops
DSM00:34Des Moines
£683

British Airways flights from Des Moines to London Heathrow Airport

Our best British Airways deals on Des Moines to London Heathrow Airport flight tickets
British Airways
23 Sept
DSM09:38Des Moines
16h 02m
1 stop
LHR07:40London Heathrow
2 Oct
LHR15:15London Heathrow
14h 13m
1 stop
DSM23:28Des Moines
£676
British Airways
23 Sept
DSM09:38Des Moines
19h 12m
1 stop
LHR10:50London Heathrow
2 Oct
LHR15:15London Heathrow
14h 13m
1 stop
DSM23:28Des Moines
£679
British Airways
23 Sept
DSM09:38Des Moines
15h 12m
1 stop
LHR06:50London Heathrow
2 Oct
LHR13:10London Heathrow
16h 18m
1 stop
DSM23:28Des Moines
£680

momondo Fare Finder

 
Customise your flight search to find flights from Des Moines 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 279,928 searches. Data last updated 2 April 2026.
Use the filters below to find and compare flights from Des Moines to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sat 1/8

18:51-06:45

1 stop29h 54m

London Heathrow

Thu 20/8

12:10-19:24

2 stops37h 14m

£662

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 23/9

11:34-09:40

1 stop16h 06m

London Heathrow

Fri 2/10

14:05-14:11

2 stops30h 06m

£664

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 23/9

11:34-12:20

1 stop18h 46m

London Heathrow

Fri 2/10

14:05-14:11

2 stops30h 06m

£664

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 23/9

13:40-09:40

1 stop14h 00m

London Heathrow

Fri 2/10

14:05-14:11

2 stops30h 06m

£665

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 27/9

08:00-10:00

2 stops20h 00m

London Heathrow

Fri 2/10

14:05-14:11

2 stops30h 06m

£666

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 27/9

06:15-06:30

2 stops18h 15m

London Heathrow

Fri 2/10

14:05-14:11

2 stops30h 06m

£667

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 23/9

05:00-06:30

2 stops19h 30m

London Heathrow

Fri 2/10

14:05-14:11

2 stops30h 06m

£667

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 27/9

20:15-21:35

2 stops19h 20m

London Heathrow

Fri 2/10

14:05-14:11

2 stops30h 06m

£669

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 13/9

05:00-06:30

2 stops19h 30m

London Heathrow

Fri 18/9

17:40-14:05

2 stops26h 25m

£671
Fastest return journey

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 29/4

13:10-10:40

2 stops15h 30m

London Heathrow

Fri 8/5

10:50-21:23

2 stops16h 33m

£674

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Des Moines 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 typical price of a round-trip flight between Des Moines and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, November is the cheapest month to fly from Des Moines to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £556. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Des Moines averaging around £564.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Des Moines when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £729 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Des Moines for as low as £574 on momondo.

When to book flights from Des Moines to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Des Moines to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Des Moines to London Heathrow Airport (DSM to LHR) flight deals and tips

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

Fastest flight time

12h 37m

Direct flights

None
The fastest flight from Des Moines to London Heathrow Airport takes 12h 37m
There are no direct flights from Des Moines to London Heathrow Airport. There are no popular flight routes from Des Moines to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Des Moines to London Heathrow Airport

  • How far is Des Moines to London Heathrow by plane?

    London Heathrow is 4172.5 mi away from Des Moines. A reasonable flight in good conditions will take 12h 37m.

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

    Prices for flights from Des Moines Airport to London Heathrow Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Des Moines 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Stratford-upon-Avon
Slough
Maidstone
Northampton
Swindon
Southend-on-Sea
Wembley
Ipswich
Canterbury
Ilford
Guildford
Hayes
Chelmsford
Poole
Dover
Folkestone

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Des Moines.

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

All flight searches from Des Moines to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Des Moines to London?

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

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

Yes momondo offers price alerts on flights to London from Des Moines. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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