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Cheap flights from Des Moines to London from $332

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 10/21. 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

Discover deals from 900+ travel sites with momondo.

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
1:45 pm - 9:40 am
DSM
-
LHR
13h 55m
1 stop
United Airlines Logo
6:50 am - 5:33 pm
LHR
-
DSM
16h 43m
2 stops
$747United Airlines
Mon, Nov 9 - Wed, Nov 11
United Airlines Logo
1:05 pm - 10:50 am
DSM
-
LHR
15h 45m
2 stops
United Airlines Logo
6:50 am - 5:33 pm
LHR
-
DSM
16h 43m
2 stops
$752United Airlines
Mon, Nov 9 - Wed, Nov 11
United Airlines Logo
6:15 am - 10:25 am
DSM
-
LHR
22h 10m
2 stops
United Airlines Logo
9:00 am - 7:25 pm
LHR
-
DSM
16h 25m
2 stops
$753United Airlines
Wed, Nov 25 - Fri, Nov 27
United Airlines Logo
6:55 pm - 9:00 am
DSM
-
LHR
32h 05m
1 stop
United Airlines Logo
6:50 am - 5:33 pm
LHR
-
DSM
16h 43m
2 stops
$781United Airlines
Mon, Sep 28 - Thu, Oct 1
United Airlines Logo
6:55 pm - 10:00 am
DSM
-
LHR
33h 05m
2 stops
United Airlines Logo
6:50 am - 5:33 pm
LHR
-
DSM
16h 43m
2 stops
$784United Airlines
Mon, Sep 28 - Thu, Oct 1
Air Canada Logo
5:00 am - 6:30 am
DSM
-
LHR
19h 30m
2 stops
Air Canada Logo
7:40 am - 9:17 pm
LHR
-
DSM
19h 37m
2 stops
$832Air Canada
Mon, Nov 23 - Fri, Nov 27
United Airlines Logo
6:45 pm - 7:55 am
DSM
-
LHR
31h 10m
1 stop
United Airlines Logo
6:35 am - 7:25 pm
LHR
-
DSM
18h 50m
2 stops
$837United Airlines
Tue, Nov 24 - Fri, Nov 27
Iberia Logo
9:04 am - 8:35 am
DSM
-
LHR
17h 31m
1 stop
Iberia Logo
7:30 am - 6:35 pm
LHR
-
DSM
17h 05m
2 stops
$867Iberia
Mon, Nov 23 - Fri, Nov 27
Lufthansa Logo
1:24 pm - 9:55 am
DSM
-
LHR
14h 31m
2 stops
Lufthansa Logo
8:45 am - 11:01 pm
LHR
-
DSM
19h 16m
2 stops
$871Lufthansa
Wed, Oct 21 - Thu, Oct 29
Iberia Logo
6:07 pm - 10:50 am
DSM
-
LHR
10h 43m
1 stop
Iberia Logo
6:15 am - 8:11 pm
LHR
-
DSM
18h 56m
2 stops
$872Iberia
Wed, Oct 21 - Thu, Oct 29

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Iberia flights from Des Moines to London Heathrow Airport

Our best Iberia deals on Des Moines to London Heathrow Airport flight tickets
Iberia
Nov 23
DSM9:04 amDes Moines
17h 31m
1 stop
LHR8:35 amLondon Heathrow
Nov 27
LHR7:30 amLondon Heathrow
17h 05m
2 stops
DSM6:35 pmDes Moines
$867
Iberia
Oct 21
DSM6:07 pmDes Moines
10h 43m
1 stop
LHR10:50 amLondon Heathrow
Oct 29
LHR6:15 amLondon Heathrow
18h 56m
2 stops
DSM8:11 pmDes Moines
$872
Iberia
Oct 21
DSM6:07 pmDes Moines
10h 43m
1 stop
LHR10:50 amLondon Heathrow
Oct 29
LHR6:15 amLondon Heathrow
18h 56m
2 stops
DSM8:11 pmDes Moines
$873

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
Oct 21
DSM2:37 pmDes Moines
10h 13m
1 stop
LHR6:50 amLondon Heathrow
Oct 29
LHR11:00 amLondon Heathrow
14h 11m
1 stop
DSM8:11 pmDes Moines
$906
British Airways
Nov 22
DSM7:05 pmDes Moines
29h 50m
1 stop
LHR6:55 amLondon Heathrow
Nov 27
LHR11:00 amLondon Heathrow
13h 35m
1 stop
DSM6:35 pmDes Moines
$939
British Airways
Oct 22
DSM2:37 pmDes Moines
14h 13m
1 stop
LHR10:50 amLondon Heathrow
Oct 30
LHR12:35 pmLondon Heathrow
12h 36m
1 stop
DSM8:11 pmDes Moines
$948

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 June 8, 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

Mon 11/9

1:45 pm-9:40 am

1 stop13h 55m

London Heathrow

Wed 11/11

6:50 am-5:33 pm

2 stops16h 43m

$747

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 11/9

1:05 pm-10:50 am

2 stops15h 45m

London Heathrow

Wed 11/11

6:50 am-5:33 pm

2 stops16h 43m

$752

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 11/25

6:15 am-10:25 am

2 stops22h 10m

London Heathrow

Fri 11/27

9:00 am-7:25 pm

2 stops16h 25m

$753

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 9/28

6:55 pm-9:00 am

1 stop32h 05m

London Heathrow

Thu 10/1

6:50 am-5:33 pm

2 stops16h 43m

$781

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 9/28

6:55 pm-10:00 am

2 stops33h 05m

London Heathrow

Thu 10/1

6:50 am-5:33 pm

2 stops16h 43m

$784

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 11/23

5:00 am-6:30 am

2 stops19h 30m

London Heathrow

Fri 11/27

7:40 am-9:17 pm

2 stops19h 37m

$832

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 11/24

6:45 pm-7:55 am

1 stop31h 10m

London Heathrow

Fri 11/27

6:35 am-7:25 pm

2 stops18h 50m

$837

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 11/23

9:04 am-8:35 am

1 stop17h 31m

London Heathrow

Fri 11/27

7:30 am-6:35 pm

2 stops17h 05m

$867

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 10/21

1:24 pm-9:55 am

2 stops14h 31m

London Heathrow

Thu 10/29

8:45 am-11:01 pm

2 stops19h 16m

$871
Quickest round-trip

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 10/21

6:07 pm-10:50 am

1 stop10h 43m

London Heathrow

Thu 10/29

6:15 am-8:11 pm

2 stops18h 56m

$872

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 March is, on average, the cheapest month to fly to London Heathrow Airport from Des Moines, with most prices found around $665. If you’re not able to fly to London Heathrow Airport in March, then November is your next best option. Flight prices from Des Moines to London Heathrow Airport during November average around $738.

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

You could potentially save up to 22% 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

13h 13m

Direct flights

None
The fastest flight from Des Moines to London Heathrow Airport takes 13h 13m
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 13h 13m.

  • 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
8,395 reviews
Search Delta flights
American AirlinesPriceFrom $681Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
British AirwaysPriceFrom $711Free CancellationRating
6.7
8,028 reviews
Search British Airways flights
United AirlinesPriceFrom $723Free CancellationRating
7.4
9,783 reviews
Search United Airlines flights

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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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