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Cheap flights from Iowa 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 Iowa to London departing on 7/20. 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 Iowa 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
9:00 am - 9:40 am
CID
-
LHR
18h 40m
1 stop
United Airlines Logo
6:50 am - 12:28 am
LHR
-
CID
23h 38m
2 stops
$747United Airlines
Tue, Sep 1 - Thu, Sep 3
Scandinavian Airlines Logo
2:50 pm - 9:40 pm
OMA
-
LHR
24h 50m
2 stops
Scandinavian Airlines Logo
6:40 am - 11:59 pm
LHR
-
OMA
23h 19m
2 stops
$825Scandinavian Airlines
Mon, Sep 7 - Mon, Sep 14
Scandinavian Airlines Logo
2:50 pm - 9:40 pm
OMA
-
LHR
24h 50m
2 stops
Scandinavian Airlines Logo
6:40 am - 9:13 pm
LHR
-
OMA
20h 33m
2 stops
$833Scandinavian Airlines
Mon, Sep 7 - Mon, Sep 14
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
Iberia Logo
3:04 pm - 10:30 am
CID
-
LHR
13h 26m
1 stop
Iberia Logo
6:15 am - 11:11 pm
LHR
-
CID
22h 56m
2 stops
$872Iberia
Mon, Aug 24 - Tue, Sep 15
British Airways Logo
3:04 pm - 11:15 am
CID
-
LHR
14h 11m
1 stop
British Airways Logo
7:25 pm - 5:47 pm
LHR
-
CID
28h 22m
2 stops
$878British Airways
Tue, Sep 1 - Tue, Sep 15
Air Canada Logo
7:55 am - 8:35 am
OMA
-
LHR
18h 40m
2 stops
Air Canada Logo
2:10 pm - 10:17 am
LHR
-
OMA
26h 07m
2 stops
$882Air Canada
Wed, Aug 19 - Wed, Aug 26
Air Canada Logo
11:23 am - 10:00 am
OMA
-
LHR
16h 37m
2 stops
Air Canada Logo
2:10 pm - 2:14 pm
LHR
-
OMA
30h 04m
2 stops
$885Air Canada
Sun, Aug 16 - Wed, Aug 26
British Airways Logo
6:24 pm - 10:50 am
LSE
-
LHR
10h 26m
1 stop
British Airways Logo
6:15 am - 11:19 pm
LHR
-
LSE
23h 04m
2 stops
$894British Airways
Sun, Oct 4 - Tue, Oct 13

Scandinavian Airlines flights from Iowa to London Heathrow Airport

Our best Scandinavian Airlines deals on Iowa to London Heathrow Airport flight tickets
Scandinavian Airlines
Sep 27
DSM2:15 pmDes Moines
25h 25m
2 stops
LHR9:40 pmLondon Heathrow
Oct 2
LHR6:40 amLondon Heathrow
21h 46m
2 stops
DSM10:26 pmDes Moines
$852
Scandinavian Airlines
Sep 27
DSM11:04 amDes Moines
28h 36m
2 stops
LHR9:40 pmLondon Heathrow
Oct 2
LHR6:40 amLondon Heathrow
21h 46m
2 stops
DSM10:26 pmDes Moines
$853
Scandinavian Airlines
May 2
OMA11:39 amOmaha Eppley Airfield
22h 21m
2 stops
LHR4:00 pmLondon Heathrow
May 11
LHR7:30 pmLondon Heathrow
34h 28m
2 stops
OMA11:58 pmOmaha Eppley Airfield
$858

British Airways flights from Iowa to London Heathrow Airport

Our best British Airways deals on Iowa to London Heathrow Airport flight tickets
British Airways
Sep 1
CID3:04 pmCedar Rapids
14h 11m
1 stop
LHR11:15 amLondon Heathrow
Sep 15
LHR7:25 pmLondon Heathrow
28h 22m
2 stops
CID5:47 pmCedar Rapids
$878
British Airways
Aug 23
CID6:25 pmCedar Rapids
10h 50m
1 stop
LHR11:15 amLondon Heathrow
Sep 16
LHR7:50 amLondon Heathrow
21h 21m
2 stops
CID11:11 pmCedar Rapids
$894
British Airways
Sep 27
DSM2:36 pmDes Moines
11h 04m
1 stop
LHR7:40 amLondon Heathrow
Oct 2
LHR9:45 amLondon Heathrow
19h 43m
1 stop
DSM11:28 pmDes Moines
$898

momondo Fare Finder

 
Customize your flight search to find flights from Iowa 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 13, 2026.
Use the filters below to find and compare flights from Iowa 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

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 9/1

9:00 am-9:40 am

1 stop18h 40m

London Heathrow

Thu 9/3

6:50 am-12:28 am

2 stops23h 38m

$747

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 9/7

2:50 pm-9:40 pm

2 stops24h 50m

London Heathrow

Mon 9/14

6:40 am-11:59 pm

2 stops23h 19m

$825

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 9/7

2:50 pm-9:40 pm

2 stops24h 50m

London Heathrow

Mon 9/14

6:40 am-9:13 pm

2 stops20h 33m

$833
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

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Mon 8/24

3:04 pm-10:30 am

1 stop13h 26m

London Heathrow

Tue 9/15

6:15 am-11:11 pm

2 stops22h 56m

$872

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 9/1

3:04 pm-11:15 am

1 stop14h 11m

London Heathrow

Tue 9/15

7:25 pm-5:47 pm

2 stops28h 22m

$878

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 8/19

7:55 am-8:35 am

2 stops18h 40m

London Heathrow

Wed 8/26

2:10 pm-10:17 am

2 stops26h 07m

$882

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Sun 8/16

11:23 am-10:00 am

2 stops16h 37m

London Heathrow

Wed 8/26

2:10 pm-2:14 pm

2 stops30h 04m

$885

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 10/4

6:24 pm-10:50 am

1 stop10h 26m

London Heathrow

Tue 10/13

6:15 am-11:19 pm

2 stops23h 04m

$894

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 Iowa 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 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 Iowa, 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 Iowa to London Heathrow Airport during November average around $739.

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

You could potentially save up to 23% on your flight if you consider stops on a Iowa to London Heathrow Airport flight.

Cheap Iowa to London Heathrow Airport flight deals and tips

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

Fastest flight time

10h 03m

Direct flights

None
The fastest flight from Iowa to London Heathrow Airport takes 10h 03m
There are no direct flights from Iowa to London Heathrow Airport. There are no popular flight routes from Iowa to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Iowa to London Heathrow Airport

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

    Prices for flights from Iowa to London Heathrow Airport were last updated today.

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

  • How old do you have to be to fly from Iowa 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 Iowa 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.

Best airlines flying from Iowa to London Heathrow Airport

Compare and see reviews for airlines that fly from Iowa to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $583Free CancellationRating
7.1
11,572 reviews
Search American Airlines flights
DeltaPriceFrom $591Free CancellationRating
7.9
8,408 reviews
Search Delta flights
British AirwaysPriceFrom $627Free CancellationRating
6.7
7,882 reviews
Search British Airways flights
United AirlinesPriceFrom $726Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Hayes
Slough
Stratford-upon-Avon
Wembley
Crawley
Stansted
Croydon
Dartford
Brentwood
Cobham
Folkestone
Guildford
Romford
Harrow
Watford

Why use momondo?

Why should I use momondo to find a flight deal from Iowa 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 Iowa.

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

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

How can momondo help me find flights from Iowa to London?

Once you have performed a search for Iowa to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to London from Iowa. 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.

An easier way to manage your London Heathrow Airport trip

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