DSM - LON

$223 Find Cheap Flights from Des Moines to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Des Moines to London departing on 7/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to London

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Des Moines to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Des Moines to London, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$632
Typical prices: $1,030-$1,368
United Airlines
Mon 3/9Mon 3/16
DSM - LHR • 1 stop
Cheapest one-way
$223
Typical prices: $447-$491
British Airways
Tue 7/21
DSM - LHR • 1 stop
Top airlines
United Airlines
Cheapest • from $632 (round-trip)
Delta
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 21% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 21% price drop
August
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to London!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Des Moines to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Des Moines to London

Mon, Mar 9 - Mon, Mar 16
United Airlines Logo
3:28 pm - 7:55 am
DSM
-
LHR
11h 27m
1 stop
United Airlines Logo
6:50 am - 9:40 pm
LHR
-
DSM
19h 50m
2 stops
$632United Airlines
Sun, Mar 15 - Mon, Mar 23
United Airlines Logo
6:49 pm - 5:55 am
DSM
-
LHR
30h 06m
1 stop
United Airlines Logo
1:25 pm - 2:22 pm
LHR
-
DSM
29h 57m
2 stops
$641United Airlines
Tue, Mar 10 - Mon, Mar 23
Air Canada Logo
6:49 pm - 7:10 am
DSM
-
LHR
31h 21m
2 stops
Air Canada Logo
1:25 pm - 9:41 pm
LHR
-
DSM
37h 16m
2 stops
$644Air Canada
Wed, Mar 18 - Tue, Mar 24
Air Canada Logo
8:00 am - 7:10 am
DSM
-
LHR
18h 10m
2 stops
Air Canada Logo
1:25 pm - 1:23 pm
LHR
-
DSM
28h 58m
2 stops
$647Air Canada
Wed, Apr 29 - Fri, May 8
Delta Logo
11:51 am - 1:15 pm
DSM
-
LHR
19h 24m
1 stop
Delta Logo
6:30 am - 5:06 pm
LHR
-
DSM
16h 36m
2 stops
$648Delta
Wed, Apr 29 - Fri, May 8
United Airlines Logo
5:11 pm - 12:20 pm
DSM
-
LHR
13h 09m
1 stop
United Airlines Logo
6:50 am - 10:54 pm
LHR
-
DSM
22h 04m
2 stops
$649United Airlines
Wed, Apr 29 - Fri, May 8
Delta Logo
4:23 pm - 1:15 pm
DSM
-
LHR
14h 52m
2 stops
Delta Logo
6:30 am - 5:06 pm
LHR
-
DSM
16h 36m
2 stops
$653Delta
Wed, Mar 18 - Tue, Mar 24
Air Canada Logo
6:49 pm - 7:10 am
DSM
-
LHR
31h 21m
2 stops
Air Canada Logo
1:25 pm - 10:30 am
LHR
-
DSM
26h 05m
2 stops
$658Air Canada
Mon, Mar 9 - Mon, Mar 16
Scandinavian Airlines Logo
11:33 am - 7:50 am
DSM
-
LHR
15h 17m
1 stop
Scandinavian Airlines Logo
8:55 am - 10:38 pm
LHR
-
DSM
18h 43m
1 stop
$660Scandinavian Airlines
Sat, Aug 1 - Thu, Aug 20
British Airways Logo
6:29 pm - 7:10 pm
DSM
-
LCY
42h 41m
2 stops
British Airways Logo
8:00 am - 11:26 pm
LCY
-
DSM
45h 26m
2 stops
$980British Airways
Booking Insights

KAYAK's insights & trends for Des Moines to London flights

Get data-powered insights and trends into flights from Des Moines to London to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Des Moines to London?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Des Moines to London departing in March.

What is the cheapest month to fly from Des Moines to London?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Des Moines to London, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Des Moines to London is January, where tickets cost $706 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $1,266 and $1,132 respectively.

How far in advance should I book a flight from Des Moines to London?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Des Moines to London, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Des Moines to London, you should book around 2 weeks before departure, which saves you about 21% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$223
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Des Moines to London Heathrow Airport

When to book flights from Des Moines to London

Are your dates flexible? Find out the best times to travel from Des Moines to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Des Moines to London

  • What is the cheapest flight from Des Moines to London?

    In the last 3 days, the lowest price for a flight from Des Moines to London was $223 for a one-way ticket and $632 for a round-trip.

  • Do I need a passport to fly between Des Moines and London?

    Yes, you’ll need a passport to travel to London from Des Moines.

  • Which aircraft models fly most regularly from Des Moines to London?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Des Moines to London?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Des Moines and London, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Des Moines to London, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Des Moines to London are Delta and United Airlines. With an average price for the route of $822 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $865 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Des Moines to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Des Moines to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Des Moines to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Des Moines is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Des Moines to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Des Moines with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Des Moines to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Des Moines up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 4 airlines serving from Des Moines to London

 
See real verified KAYAK customer reviews for airlines flying from Des Moines to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Des Moines to London? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8180 reviews
7.8Entertainment
8.1Boarding
8.5Crew
7.2Food
7.9Comfort
Airline reviews

Was forced to check in my small carry on, even though I informed the crew it has very fragile items inside

2.0 MediocreJaspreet, Feb 2026
SEA - SMF
Read more Delta reviews

Was forced to check in my small carry on, even though I informed the crew it has very fragile items inside

This was one of the worst flights I’ve been on in years. I upgraded to comfort and had such an uncomfortable experience. The person next to me was oversized - which I understand - however, they took up their space and mine. I could only use about 50% of my seat space to not be physically touching this person the entire flight and there was no spatial awareness. I also could not use the seat outlet because their body was obstructing it. It was very inconvenient. Their body kept touching me repeatedly during the flight and I felt very uncomfortable. To pay more for an upgraded space and then not even being able to use it was highly disappointing.

No wheel chair as requested at Atlanta arrival on first flight.

Only freetext wifi was available in flight; browsing WiFi required payment. Since the seats had no in flight entertainment, Delta should revisit this policy on this longer flight.

Only water, tea or coffee served midflight, even to comfort seating. Man next to me needed two seats and took up a portion of my seat and Delta did nothing.

The flight was great as well as the airline staff

First class and monitors weren’t working for mine & my husbands. Eventually fixed, but quite annoyed as we bought first class. Also, No foot rests.

Prior to takeoff, the pilot told us there was a possibility of not being able to land and going to Portland. Well that happened, we took off and then did 8 loops around Spokane before the pilot told us we ran out of fuel and had to go to Portland. So for a 35 minute flight we have now been on the plane for 3 hours (boarded at 6:50 am and landed in Portland at 10:30). Then, we just sat in Portland's airport with no updates of when we can start heading back. All of a sudden, our pilots and crew just left, leaving us stranded in a different city and state. We continued to sit in Portland until we finally got a new crew assigned and boarded the plane (This was from 10:30-2). We then sat on the plane for an additional hour before take off because they had to count us multiple times. We finally landed in Spokane at 3:55 PM. So a flight that should have taken at max an hour took us 10 hours and we missed the majority of the recruiting event we went for.

It was delayed but other than that it was great.

Got on the plane and sat there for an hour before departure.

Short flight, but no drink/snack service. The flights both going and coming were delayed.

Much better than Spirit. I was please by the easy fast check in and boarding

Check-in and in-flight staff were better than average. The seat was a fair size but too hard and not enough padding. The cushion/pillow provided is poor (thin and seems to be disposable ,it provides no effective cushioning or support). Food was OK-ish but no choice of inflight snacks and no easy place to get drinks other than water (I could ask for juice by intruding into the staff area at the back of the plane) Entertainment was very good actually. Overall better than I expected from a US-based airline (sorry!) but compared to ANA or Singapore it was so-so. (I live in Japan so they are my comparative airlines)

Everything was on time Will use united again for sure

Plane outlets in my row not working to charge phone. Staff response was, well it should be. Plug into seed for volume not working well. Had to find the sweet spot for plug in or it would shut off and on.

Wifi took a while to kick in and we had a maintenance issue that took over 40 mins at the gate in Washington before pulling back

Fine not above and beyond as I had a connection that was delayed due to maintenance

The power at the seat didn't work and the seat itself was difficult to adjust - this was a business class seat. Flight attendant gave me miles to compensate. The attendant was very professional and on top of his game the entire flight.

Terrible. Our first time back on United for 10 years, the seats in Polaris class are small and uncomfortable. They have squished too many people in to get more $$$. The staff are not friendly and not wanting to accommodate. I asked for two salads rather than a main meal and was advised no we wont do that. Then asked what I would like for breakfast and given something else anyway. I will not be flying United International anytime soon.

Same thing as flight from Pheonix to Newark. Uograded and Promised extra leg room and when I got to the seat it had none.

My flight to London from Philadelphia was cancelled due to weather.

Disliked having to wait a little longer to disembark from the plan when we landed in London

Food should be better quality. Video screens have poor resolution and the library of movies is poor. The other airlines are much better.

The trip was smooth but the crew were very abrupt, snatching things before finished and being quite snappy when asked questions.

My wife and I love to travel, so we fly a lot. We've already logged 381,075 miles and with practically every major airline. But this flight was very disappointing. It started off well, with no delays and a new plane. But when lunchtime approached, all that good impression was ruined. Instead of white tablecloths, we were offered small, dark placemats, which, as it turned out, were perfectly adequate for the food. All the food offered—and my wife and I only took fish, and the meat—was not just bad, it was downright disgusting and not heated enough. The same applies to the appetizers. This was the first time in many years of traveling that we've been offered such disgusting food.

Lost luggage stuck no clothes and no word after 2 days leaving on cruise no stuff or clothes

Don’t know they cancelled the flight day before I was to leave. They sent a email at 9:00 pm at night saying they cancelled. That is the smooth way to say we don’t want your business! I think they didn’t have enough people booking so they cancelled the flight! It’s all about the money anymore there is no honesty in business.

The flight was canceled 3 hours after original take off time

Pathetic check in experience at JFK. Everything is self check in. Not enough staff present to help with when the check in process or the kiosk gets stuck. Staff present not welcoming or pleasant at all. On the other hand the NY based flight crew was great. Courteous and friendly throughout the flight. Special meals leave a lot to be desired. Kids meals should be made available when kids are flying and same goes for special kids meals too.

Flight was full, and would have preferred an aisle seat, but due to getting a late ticket ,the seat I had was adequate. The flight crew were very help full and hard working. Food and drink were excellent for the 11hr flight. Overall I was pleased with flight, and would recommend British Airways again.

We waited at BOS at the gate for an hour and couldn’t get a drink or anything. Once in the air the service, food and ride was excellent.

My enetertainmnet screen was broken. Lost my bags. Almost missed my flight do to connection issues with (despite a request) ZERO help from crew. Food was edible. Potatoes pretty good even

The issue was not with BA it was with the link yoiu sent fopr booking the flight

Loved the boarding option from Business class lounge, experience on flight was excellent, plenty of good food choices

The airline was not clear about a new departure time so we got to the airport early anyway. The flight left early which was great because of weather. The check in process was very easy and staff were friendly and helpful. The crew was great and our flight was very good.

Awful it always is unfortunately is the only way to fly direct to london

I travelled in business class and was disappointed by lack of service, curt and borderline rude time of the crew and to top it off, all of my luggage was delayed. It was like pulling teeth to even report the missing luggage and recover it the next day from the airport.

Boarding was poor. All groups called immediately one after the other resulting in a long queue in the jetty/jet bridge. Seats were very hard and and did not recline on a 4.5 hour flight. No food was available. Plane was cold. There was no entertainment.

The cramped seats are cruel and unusual punishment and may violate the Geneva code.

Check in was was and the agent was very friendly and helpful The lounge was nice...boarding was straight from the lounge Everything worked at our seats, and video entertainment was good ..food was mediocre

Everything you need to know for your flight from Des Moines to London

Information on your arrival and departure airports