London

$333+ Cheap flights from Iowa to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
May 11 — May 181
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Iowa to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Iowa to London

Cheapest flights from Iowa to London
Explore the most affordable flight options available from Iowa to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:29 pm
OMA
-
LHR
2 stops16h 36m
Lufthansa
Tue 10/207:30 am
LHR
-
OMA
2 stops18h 55m
Lufthansa
Deal found 4/6$727
This Cheapflightsfares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:29 pm
OMA
-
LCY
2 stops17h 26m
Lufthansa
Tue 10/209:15 am
LCY
-
OMA
2 stops17h 10m
Lufthansa
Deal found 4/6$761
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:00 am
CID
-
LHR
2 stops19h 25m
United Airlines
Thu 12/35:30 pm
LHR
-
CID
2 stops26h 53m
United Airlines
Deal found 4/5$763
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:15 am
OMA
-
LHR
1 stop18h 25m
United Airlines
Tue 10/208:45 am
LHR
-
OMA
2 stops18h 44m
United Airlines
Deal found 4/6$802
This Cheapflightsfares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:25 pm
OMA
-
LHR
2 stops16h 15m
Lufthansa
Tue 9/87:25 am
LHR
-
OMA
2 stops20h 31m
Lufthansa
Deal found 4/6$841
This Cheapflightsfares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:45 pm
CID
-
LHR
2 stops17h 55m
Lufthansa
Tue 9/156:30 am
LHR
-
CID
2 stops16h 45m
Lufthansa
Deal found 4/6$851
This FlightHub deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/272:15 pm
DSM
-
LHR
2 stops25h 25m
Scandinavian Airlines
Fri 10/26:40 am
LHR
-
DSM
2 stops21h 46m
Scandinavian Airlines
Deal found 4/8$852
This Expedia deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:39 am
OMA
-
LHR
2 stops22h 21m
Scandinavian Airlines
Mon 5/117:30 pm
LHR
-
OMA
2 stops34h 28m
Scandinavian Airlines
Deal found 4/8$858
This Cheapflightsfares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:25 pm
OMA
-
LCY
2 stops17h 30m
Lufthansa
Tue 9/89:15 am
LCY
-
OMA
2 stops20h 06m
Lufthansa
Deal found 4/6$869
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:39 am
MLI
-
LHR
1 stop14h 06m
United Airlines
Wed 5/136:50 am
LHR
-
MLI
2 stops14h 22m
United Airlines
Deal found 4/6$872
This Expedia deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:38 am
DSM
-
LHR
1 stop16h 02m
Iberia
Mon 9/287:25 pm
LHR
-
DSM
2 stops30h 36m
Iberia
Deal found 4/9$873
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:30 am
MLI
-
LHR
2 stops20h 05m
United Airlines
Wed 9/306:50 am
LHR
-
MLI
2 stops23h 24m
United Airlines
Deal found 4/10$874

Find flight deals from Iowa to London

Keep the following information in mind while searching for Iowa to London flight deals. Data was last updated April 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$851
(Cheapflightsfares)

One-way from

$333
(oojo)

Popular in

June

Cheapest in

January

Average price

$776
Provider with most accurate pricing for Des Moines-London (LON) flight deals.
Provider most trusted by Cheapflights users for Des Moines-London (LON) flights.
From Iowa to London (LON)
One-way flight from Iowa to London (LON)
Highest demand for flights based on searches. 20% potential increase in price ($239 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Iowa to London 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, Cheapflights users made 2,558,603 searches. Data last updated April 11, 2026.
Use the filters below to find and compare flights from Iowa to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 5/6

10:39 am-6:45 am

1 stop14h 06m

London Heathrow

Wed 5/13

6:50 am-3:12 pm

2 stops14h 22m

$872

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

6:30 am-8:35 am

2 stops20h 05m

London Heathrow

Wed 9/30

6:50 am-12:14 am

2 stops23h 24m

$874
Quickest round-trip

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 9/1

3:16 pm-9:40 am

1 stop12h 24m

London Heathrow

Tue 9/15

9:30 am-5:15 pm

2 stops13h 45m

$909

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Sun 5/10

7:05 pm-11:55 am

1 stop10h 50m

London Heathrow

Thu 5/21

9:30 am-11:59 pm

2 stops20h 29m

$951

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Fri 5/1

10:39 am-6:45 am

1 stop14h 06m

London Heathrow

Sat 5/9

6:50 am-6:00 pm

2 stops17h 10m

$974

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 5/20

7:21 am-2:10 pm

1 stop24h 49m

London Heathrow

Wed 5/27

6:50 am-5:28 pm

2 stops16h 38m

$984

OmahaLondon

OMA - LCY

OMALCY

Omaha Eppley Airfield

Wed 5/6

6:46 pm-5:55 pm

2 stops17h 09m

London City

Wed 5/13

9:15 am-11:31 pm

2 stops20h 16m

$986

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 5/6

5:45 am-6:25 am

1 stop18h 40m

London Heathrow

Tue 5/12

11:30 am-8:36 pm

2 stops15h 06m

$1,009

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 5/17

8:03 pm-12:15 pm

1 stop10h 12m

London Heathrow

Wed 5/27

1:10 pm-12:08 am

1 stop16h 58m

$1,012

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 9/30

7:00 am-7:15 am

2 stops18h 15m

London Heathrow

Thu 10/8

1:40 pm-10:56 pm

2 stops15h 16m

$1,017

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Iowa to London

Have a flexible travel schedule? Discover the best time to fly to London from Iowa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Iowa to London

What is the cheapest month to book a flight from Iowa to London?

Currently, August is the cheapest month in which you can book a flight from Iowa to London (average of $583). Flying from Iowa to London in February is currently the most expensive (average of $898). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Iowa to London?

Related info for your journey

Find useful and relevant information for your journey from Iowa to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Iowa to London?

    There are many flights that can get you from Iowa to London in 14h 06m. Fly via United Airlines, Lufthansa, or Virgin Atlantic to get the fastest option. The distance between Iowa and London is about 4063 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Iowa to London?

  • Can I find deals for flights from Iowa to London that include hotel bookings?

    Yes. In addition to deals on Iowa to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Iowa to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Iowa to London.

  • Can I find deals for business class flights from Iowa to London?

    Yes. Cheapflights offers flight deals from Iowa to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Iowa to London?

    Currently, August is the cheapest month in which you can book a flight from Iowa to London (average of $583). Flying from Iowa to London in February is currently the most expensive (average of $898). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Iowa to London

Discover the top 4 airlines that operate flights from Iowa to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$591Average$761FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$627Average$950FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$640Average$919FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$726Average$956FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.