Cheap flights from Des Moines to London from £194
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 21/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Des Moines to London
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?
The cheapest month to fly to London from Des Moines is in January. Flight prices, which tend to average around £524, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Des Moines averaging around £551.
What is the cheapest day to depart on your flight to London?
Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £597. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Des Moines to London for around £770.
What is the cheapest time of day to depart on your flight to London?
The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £630. Flights in the morning are often more expensive, with an average ticket price of £712.
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from Des Moines when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to London for around £724 when searching 15 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Des Moines for as low as £564 on momondo.
When to book flights from Des Moines to London
Cheap Des Moines to London (DSM to LON) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Des Moines to London
How far is Des Moines to London by plane?
The straight-line distance from Des Moines to London is 4183.7 mi. Typically, this will take 10h 11m by plane in normal conditions.
When did momondo last update prices for flights from Des Moines Airport to London?
Prices for flights from Des Moines Airport to London are refreshed on a daily basis.
How many operators does momondo search for flights from Des Moines Airport to London?
As of June 2025, there is 1 operator available to choose from for flights from Des Moines Airport to London.
How old do you have to be to fly from Des Moines Airport to London?
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.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Des Moines to London?
momondo data reveals that the most frequently booked airline on the route from Des Moines to London is British Airways, representing 100% of all bookings.
Best airlines flying from Des Moines to London
Compare and see reviews for airlines that fly from Des Moines to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £493 | Free Cancellation | Rating 7.4 653 reviews |
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Why should I use momondo to find a flight deal from Des Moines to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Des Moines to London for you.
Can I find flights from Des Moines to London with flexible booking policies on momondo?
Flights from Des Moines to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Des Moines to London?
Once all potential Des Moines to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
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 not ready to book a flight from Des Moines to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.