$391 Cheap Flights from Des Moines (DSM) to London (LHR)

View $391 flight on Sat, Oct 18, 2025Opens in a new window

Popular airlines from Des Moines International Airport (DSM) to Heathrow Airport (LHR)

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Cheap Flights from Des Moines to London (DSM-LHR)

Prices were available within the past 7 days and start at $391 for one-way flights and $635 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, Dec 9 - Tue, Dec 16
DSM
Des Moines
LHR
London
$635 Roundtrip, just found
$635
Roundtrip
just found
Select Air Canada flight, departing Tue, Dec 9 from Des Moines to London, returning Tue, Dec 16, priced at $635 just found
Air Canada
Wed, Sep 24 - Wed, Oct 15
DSM
Des Moines
LHR
London
$637 Roundtrip, found 2 days ago
$637
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Sep 24 from Des Moines to London, returning Wed, Oct 15, priced at $637 found 2 days ago
Air Canada
Wed, Sep 24 - Tue, Oct 14
DSM
Des Moines
LHR
London
$640 Roundtrip, found 2 days ago
$640
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Sep 24 from Des Moines to London, returning Tue, Oct 14, priced at $640 found 2 days ago
Air Canada
Tue, Dec 9 - Tue, Dec 16
DSM
Des Moines
LHR
London
$642 Roundtrip, just found
$642
Roundtrip
just found
Select Air Canada flight, departing Tue, Dec 9 from Des Moines to London, returning Tue, Dec 16, priced at $642 just found
Air Canada
Wed, Sep 24 - Wed, Oct 15
DSM
Des Moines
LHR
London
$644 Roundtrip, found 2 days ago
$644
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Sep 24 from Des Moines to London, returning Wed, Oct 15, priced at $644 found 2 days ago
Air Canada
Wed, Sep 24 - Tue, Oct 14
DSM
Des Moines
LHR
London
$647 Roundtrip, found 2 days ago
$647
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Sep 24 from Des Moines to London, returning Tue, Oct 14, priced at $647 found 2 days ago
Delta
Sun, Sep 21 - Thu, Oct 2
DSM
Des Moines
LHR
London
$650 Roundtrip, just found
$650
Roundtrip
just found
Select Delta flight, departing Sun, Sep 21 from Des Moines to London, returning Thu, Oct 2, priced at $650 just found
United
Sun, Sep 21 - Thu, Oct 2
DSM
Des Moines
LHR
London
$650 Roundtrip, just found
$650
Roundtrip
just found
Select United flight, departing Sun, Sep 21 from Des Moines to London, returning Thu, Oct 2, priced at $650 just found
Virgin Atlantic
Sun, Sep 21 - Thu, Oct 2
DSM
Des Moines
LHR
London
$650 Roundtrip, just found
$650
Roundtrip
just found
Select Virgin Atlantic flight, departing Sun, Sep 21 from Des Moines to London, returning Thu, Oct 2, priced at $650 just found
Lufthansa
Tue, Dec 9 - Tue, Dec 16
DSM
Des Moines
LHR
London
$659 Roundtrip, just found
$659
Roundtrip
just found
Select Lufthansa flight, departing Tue, Dec 9 from Des Moines to London, returning Tue, Dec 16, priced at $659 just found

Find the cheapest month to fly from Des Moines (DSM) to London (LHR)

November is typically the cheapest month to fly

From $607 - $1,488 per traveler.

Graph displaying average flight prices per month

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $1,218
LGW
Gatwick
Average driving time to city center52 min
Flights from $1,218
Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from $778
LCY
London City
Closest
Average driving time to city center21 min
Flights from $778
Flights from Des Moines (DSM) to London (LHR)
Origin airport
Des Moines Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic
Roundtrip price
$635
Distance
4178 mi

Des Moines to London Flights

The cheapest times to fly from Des Moines to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Des Moines to London are during the month of December. You can find some of the cheapest flights from Des Moines to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Des Moines to London

Sunday is one of the best days to book for cheap flights from Des Moines to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Des Moines to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Des Moines to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $391 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Des Moines to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Des Moines to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Des Moines Intl. Airport (DSM) to Heathrow Airport (LHR) cost?
Discover the latest flight deals from DSM to LHR by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DSM to LHR?
The cheapest flights from DSM to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DSM to LHR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DSM to LHR. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Des Moines Intl. Airport (DSM) to Heathrow Airport (LHR)?
There are no daily nonstop flights available from Des Moines Intl. Airport (DSM) to Heathrow Airport (LHR). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from DSM to LHR?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Des Moines Intl. Airport (DSM) to Heathrow Airport (LHR)?
To touch down at Heathrow Airport (LHR) without delays, book a flight that takes off from Des Moines Intl. Airport (DSM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Des Moines Intl. Airport (DSM) to Heathrow Airport (LHR) last-minute?
Holding off until just before your departure to book a ticket from DSM to LHR generally means paying more. Although you may find some last-minute offers, there's no guarantee. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book a DSM to LHR flight and hotel package?
You'll typically save money by booking a DSM to LHR flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your ideal accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Des Moines Intl. Airport (DSM) to Heathrow Airport (LHR)?
In most instances, you can cancel or modify your DSM to LHR flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need more information, head to our Customer Service portal.

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London nearby Airports

London

Des Moines to London City
$710.81
Des Moines to Gatwick
$715.41
*Available to One Key members.