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Cheap flights from Des Moines to London from $333

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 7/18. 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

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Find the cheapest flights from Des Moines to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:00 am - 10:40 am
DSM
-
LHR
20h 40m
2 stops
United Airlines Logo
6:50 am - 5:02 pm
LHR
-
DSM
16h 12m
2 stops
$747United Airlines
Tue, Sep 1 - Thu, Sep 3
United Airlines Logo
8:30 pm - 9:25 pm
DSM
-
LHR
18h 55m
2 stops
United Airlines Logo
6:50 am - 7:24 pm
LHR
-
DSM
18h 34m
2 stops
$752United Airlines
Mon, Aug 31 - Wed, Sep 2
Iberia Logo
6:15 pm - 10:50 am
DSM
-
LHR
10h 35m
1 stop
Iberia Logo
7:50 am - 8:11 pm
LHR
-
DSM
18h 21m
2 stops
$872Iberia
Mon, Sep 28 - Tue, Oct 13
United Airlines Logo
8:00 am - 6:55 am
DSM
-
LHR
16h 55m
2 stops
United Airlines Logo
6:50 am - 9:12 pm
LHR
-
DSM
20h 22m
2 stops
$876United Airlines
Tue, Sep 1 - Fri, Sep 4
United Airlines Logo
6:15 am - 5:55 am
DSM
-
LHR
17h 40m
2 stops
United Airlines Logo
10:50 am - 9:17 pm
LHR
-
DSM
16h 27m
2 stops
$877United Airlines
Mon, Sep 28 - Tue, Oct 13
United Airlines Logo
8:30 pm - 9:25 pm
DSM
-
LHR
18h 55m
2 stops
United Airlines Logo
6:50 am - 12:34 am
LHR
-
DSM
23h 44m
2 stops
$881United Airlines
Mon, Aug 31 - Thu, Sep 3
United Airlines Logo
6:00 am - 5:55 am
DSM
-
LHR
17h 55m
2 stops
United Airlines Logo
2:05 pm - 2:05 pm
LHR
-
DSM
30h 00m
2 stops
$885United Airlines
Wed, Aug 12 - Thu, Aug 20
Air Canada Logo
8:00 am - 10:00 am
DSM
-
LHR
20h 00m
2 stops
Air Canada Logo
2:05 pm - 2:11 pm
LHR
-
DSM
30h 06m
2 stops
$888Air Canada
Sun, Sep 27 - Fri, Oct 2
United Airlines Logo
1:05 pm - 9:00 am
DSM
-
LHR
13h 55m
1 stop
United Airlines Logo
5:50 pm - 5:02 pm
LHR
-
DSM
29h 12m
2 stops
$889United Airlines
Tue, Aug 18 - Mon, Sep 7
Air Canada Logo
8:00 am - 8:35 am
DSM
-
LHR
18h 35m
2 stops
Air Canada Logo
2:10 pm - 12:30 pm
LHR
-
DSM
28h 20m
2 stops
$890Air Canada
Wed, Sep 30 - Fri, Oct 16

United Airlines flights from Des Moines to London Heathrow Airport

Our best United Airlines deals on Des Moines to London Heathrow Airport flight tickets
United Airlines
Sep 1
DSM6:15 amDes Moines
19h 40m
1 stop
LHR7:55 amLondon Heathrow
Sep 3
LHR6:50 amLondon Heathrow
18h 34m
2 stops
DSM7:24 pmDes Moines
$747
United Airlines
Aug 31
DSM8:30 pmDes Moines
18h 55m
2 stops
LHR9:25 pmLondon Heathrow
Sep 2
LHR6:50 amLondon Heathrow
18h 34m
2 stops
DSM7:24 pmDes Moines
$752
United Airlines
Sep 1
DSM8:00 amDes Moines
16h 55m
2 stops
LHR6:55 amLondon Heathrow
Sep 4
LHR6:50 amLondon Heathrow
20h 22m
2 stops
DSM9:12 pmDes Moines
$876

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
Sep 27
DSM8:00 amDes Moines
20h 00m
2 stops
LHR10:00 amLondon Heathrow
Oct 13
LHR2:05 pmLondon Heathrow
26h 15m
2 stops
DSM10:20 amDes Moines
$888
Air Canada
Sep 30
DSM8:00 amDes Moines
18h 35m
2 stops
LHR8:35 amLondon Heathrow
Oct 16
LHR2:10 pmLondon Heathrow
28h 20m
2 stops
DSM12:30 pmDes Moines
$890
Air Canada
Sep 27
DSM8:00 amDes Moines
18h 35m
2 stops
LHR8:35 amLondon Heathrow
Oct 16
LHR2:05 pmLondon Heathrow
30h 06m
2 stops
DSM2:11 pmDes Moines
$893

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated April 14, 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 round-trip

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 9/1

8:00 am-10:40 am

2 stops20h 40m

London Heathrow

Thu 9/3

6:50 am-5:02 pm

2 stops16h 12m

$747

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 8/31

8:30 pm-9:25 pm

2 stops18h 55m

London Heathrow

Wed 9/2

6:50 am-7:24 pm

2 stops18h 34m

$752
Quickest round-trip

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 9/28

6:15 pm-10:50 am

1 stop10h 35m

London Heathrow

Tue 10/13

7:50 am-8:11 pm

2 stops18h 21m

$872

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 9/1

8:00 am-6:55 am

2 stops16h 55m

London Heathrow

Fri 9/4

6:50 am-9:12 pm

2 stops20h 22m

$876

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 9/28

6:15 am-5:55 am

2 stops17h 40m

London Heathrow

Tue 10/13

10:50 am-9:17 pm

2 stops16h 27m

$877

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 8/31

8:30 pm-9:25 pm

2 stops18h 55m

London Heathrow

Thu 9/3

6:50 am-12:34 am

2 stops23h 44m

$881

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 8/12

6:00 am-5:55 am

2 stops17h 55m

London Heathrow

Thu 8/20

2:05 pm-2:05 pm

2 stops30h 00m

$885

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 9/27

8:00 am-10:00 am

2 stops20h 00m

London Heathrow

Fri 10/2

2:05 pm-2:11 pm

2 stops30h 06m

$888

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 8/18

1:05 pm-9:00 am

1 stop13h 55m

London Heathrow

Mon 9/7

5:50 pm-5:02 pm

2 stops29h 12m

$889

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 9/30

8:00 am-8:35 am

2 stops18h 35m

London Heathrow

Fri 10/16

2:10 pm-12:30 pm

2 stops28h 20m

$890

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The month of September is, on average, the cheapest month to fly to London Heathrow Airport from Des Moines, with most prices found around $706. If you’re not able to fly to London Heathrow Airport in September, then November is your next best option. Flight prices from Des Moines to London Heathrow Airport during November average around $739.

Can stopping save me money on Des Moines to London Heathrow Airport flights?

You could potentially save up to 9% on your flight if you consider stops on a Des Moines to London Heathrow Airport flight.

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 round-trip 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

11h 06m

Direct flights

None
The fastest flight from Des Moines to London Heathrow Airport takes 11h 06m
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?

    There are 4172.5 mi between Des Moines and London Heathrow. A reasonable flight in good conditions will take 11h 06m.

  • 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 were last updated today.

  • How many operators does momondo search for flights from Des Moines Airport to London Heathrow Airport?

  • 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 necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Des Moines to London Heathrow Airport?

Best airlines flying from Des Moines to London Heathrow Airport

Compare and see reviews for airlines that fly from Des Moines to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $591Free CancellationRating
7.9
8,408 reviews
Search Delta flights
American AirlinesPriceFrom $681Free CancellationRating
7.1
11,572 reviews
Search American Airlines flights
British AirwaysPriceFrom $711Free CancellationRating
6.7
7,882 reviews
Search British Airways flights
United AirlinesPriceFrom $739Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights

Traveling to a place near London?

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Milton Keynes
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Stratford-upon-Avon
Crawley
Wembley
Stansted
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Dartford
Brentwood
Cobham
Folkestone
Guildford
Romford
Harrow
Watford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Des Moines to London. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to London from Des Moines which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Des Moines.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Des Moines and alert you when they change.

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