What are the cheapest airlines to fly from Iowa to London one-way?

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $488. Delta flights start at $503 while deals on Aer Lingus start at $507 one-way.

What are the most popular routes from Iowa to London?

The most popular route from Iowa to London is Des Moines - London Heathrow. You may also consider Omaha Eppley Airfield - London Heathrow or Des Moines - London Gatwick.

What are the most popular airlines that fly from Iowa to London?

Before booking your flight from Iowa to London check out the most popular airlines for this route: American Airlines, British Airways or Delta.

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

To save on the cost of your flight from Iowa to London, book at least 30 days before your planned departure. Booking around this time can save you about 14% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $691 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,903.

What is the cheapest month to fly from Iowa to London?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to London. Flights to London from Iowa in January are about $907 on average during January, but can be found for as low as $617.

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.

$425+ Flights from Iowa to London

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Cheap flight deals from Iowa to London

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$717 (FlightHub)
One-way from	$425 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$799

Provider with most accurate pricing for Des Moines-London (LON) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Des Moines-London (LON) flights.

Search Deals

From Iowa to London (LON)

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One-way flight from Iowa to London (LON)

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($202 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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Find 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 March 28, 2025.

Mon 10/62:50 pmOMA - LHR

2 stops20h 50mScandinavian Airlines

Fri 10/176:40 amLHR - OMA

2 stops20h 33mScandinavian Airlines

Deal found 3/27

$737

Mon 9/152:14 pmDSM - LHR

2 stops19h 46mScandinavian Airlines

Wed 9/247:30 pmLHR - DSM

2 stops32h 52mScandinavian Airlines

Deal found 3/27

$741

Wed 4/309:38 amOMA - LHR

1 stop14h 47mBritish Airways

Tue 5/66:10 amLHR - OMA

2 stops18h 46mBritish Airways

Deal found 3/26

$749

Mon 10/62:32 pmOMA - LHR

1 stop10h 48mIberia

Fri 10/1712:15 pmLHR - OMA

1 stop17h 25mIberia

Deal found 3/27

$751

Sun 4/2011:54 amDSM - LHR

1 stop13h 26mBritish Airways

Tue 4/2911:30 amLHR - DSM

2 stops16h 47mBritish Airways

Deal found 3/27

$751

Mon 10/63:15 pmOMA - LHR

1 stop14h 30mUnited Airlines

Fri 10/172:05 pmLHR - OMA

2 stops30h 21mUnited Airlines

Deal found 3/27

$759

Sun 4/208:47 amDSM - LHR

1 stop18h 53mUnited Airlines

Tue 4/292:05 pmLHR - DSM

2 stops26h 35mUnited Airlines

Deal found 3/28

$759

Wed 12/32:08 pmDSM - LHR

1 stop13h 07mMultiple Airlines

Tue 12/162:10 pmLHR - DSM

1 stop11h 56mMultiple Airlines

Deal found 3/27

$772

Wed 12/31:31 pmDSM - LHR

2 stops16h 09mDelta

Tue 12/168:40 amLHR - DSM

2 stops18h 02mDelta

Deal found 3/27

$773

Sat 11/296:35 pmCID - LHR

1 stop30h 15mBritish Airways

Fri 12/122:10 pmLHR - CID

1 stop13h 26mBritish Airways

Deal found 3/26

$777

Sun 4/205:46 pmDSM - LHR

1 stop13h 24mKLM

Tue 4/299:20 amLHR - DSM

1 stop19h 18mKLM

Deal found 3/28

$782

Sun 5/118:07 amDSM - LHR

2 stops16h 23mAir Canada

Sun 5/182:05 pmLHR - DSM

2 stops26h 25mAir Canada

Deal found 3/27

$793

Best flights from Iowa to London
Discover carefully curated flight deals from Iowa to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Wed 8/2711:05 amOMA - LHR

2 stops22h 55mScandinavian Airlines

Wed 10/16:40 amLHR - OMA

2 stops23h 13mScandinavian Airlines

Deal found 3/27

$717

Wed 4/309:38 amOMA - LHR

1 stop14h 47mBritish Airways

Tue 5/66:10 amLHR - OMA

2 stops18h 46mBritish Airways

Deal found 3/26

$749

Wed 4/3011:29 amOMA - LHR

1 stop12h 51mUnited Airlines

Tue 5/62:05 pmLHR - OMA

2 stops26h 25mUnited Airlines

Deal found 3/27

$759

Wed 4/239:38 amOMA - LHR

1 stop17h 22mIberia

Wed 5/712:15 pmLHR - OMA

1 stop12h 41mIberia

Deal found 3/27

$767

Wed 4/3012:51 pmOMA - LHR

1 stop19h 34mMultiple Airlines

Tue 5/611:05 amLHR - OMA

1 stop13h 51mMultiple Airlines

Deal found 3/27

$775

Sun 5/118:07 amDSM - LHR

2 stops16h 23mAir Canada

Sun 5/182:05 pmLHR - DSM

2 stops26h 25mAir Canada

Deal found 3/27

$793

Tue 5/62:15 pmDSM - LHR

1 stop17h 15mVirgin Atlantic

Tue 5/133:15 pmLHR - DSM

1 stop13h 15mVirgin Atlantic

Deal found 3/27

$800

Thu 5/112:51 pmOMA - LHR

1 stop15h 59mFinnair

Fri 5/910:20 amLHR - OMA

2 stops18h 55mFinnair

Deal found 3/26

$807

Sun 5/116:35 pmDSM - LHR

1 stop12h 55mKLM

Sun 5/189:20 amLHR - DSM

1 stop19h 10mKLM

Deal found 3/27

$820

Wed 4/231:25 pmOMA - LHR

2 stops13h 30mDelta

Sat 5/38:40 amLHR - OMA

2 stops16h 14mDelta

Deal found 3/27

$823

Fri 5/96:45 amDSM - LGW

2 stops17h 50mAmerican Airlines

Fri 5/163:05 pmLGW - DSM

2 stops27h 13mAmerican Airlines

Deal found 3/27

$850

Wed 4/1611:54 amDSM - LHR

2 stops14h 06mAer Lingus

Wed 4/231:25 pmLHR - DSM

2 stops16h 19mAer Lingus

Deal found 3/27

$933

Last-minute flights from Iowa to London
Discover last-minute flight deals from Iowa to London. Data last updated March 28, 2025 and is based on user searches.

Wed 4/25:49 pmOMA - LHR

2 stops14h 06mAer Lingus

Thu 4/1012:00 pmLHR - OMA

2 stops16h 31mAer Lingus

Deal found 3/25

$972

Wed 4/25:49 pmOMA - LHR

1 stop10h 41mBritish Airways

Sun 4/69:15 amLHR - OMA

1 stop15h 59mBritish Airways

Deal found 3/27

$996

Wed 4/212:43 pmOMA - LHR

2 stops27h 12mIberia

Sun 4/62:25 pmLHR - OMA

1 stop14h 06mIberia

Deal found 3/27

$1,034

Wed 4/212:43 pmOMA - LCY

2 stops17h 12mBritish Airways

Sun 4/61:20 pmLCY - OMA

2 stops35h 54mBritish Airways

Deal found 3/27

$1,578

Wed 4/211:29 amOMA - LHR

3 stops16h 31mMultiple Airlines

Thu 4/109:30 amLHR - OMA

2 stops18h 08mMultiple Airlines

Deal found 3/25

$2,093

Sat 4/53:45 pmCID - LHR

2 stops34h 15mAer Lingus

Sat 4/128:10 pmLHR - CID

2 stops32h 10mAer Lingus

Deal found 3/25

$1,222

Sat 4/511:26 amCID - LHR

1 stop18h 49mBritish Airways

Sat 4/126:10 amLHR - CID

2 stops18h 03mBritish Airways

Deal found 3/25

$1,569

Sat 4/58:14 amCID - LHR

3 stops16h 16mMultiple Airlines

Sat 4/129:30 amLHR - CID

2 stops18h 09mMultiple Airlines

Deal found 3/25

$1,608

Sat 4/53:45 pmCID - LGW

2 stops37h 05mIberia

Sat 4/128:40 pmLGW - CID

2 stops31h 40mIberia

Deal found 3/25

$1,880

Wed 4/92:51 pmCID - LHR

1 stop11h 29mUnited Airlines

Wed 4/167:25 amLHR - CID

2 stops15h 26mUnited Airlines

Deal found 3/26

$948

Wed 4/92:55 pmCID - LHR

1 stop10h 25mBritish Airways

Wed 4/169:15 amLHR - CID

1 stop11h 10mBritish Airways

Deal found 3/26

$963

Wed 4/1611:54 amDSM - LHR

2 stops14h 06mAer Lingus

Wed 4/231:25 pmLHR - DSM

2 stops16h 19mAer Lingus

Deal found 3/27

$933

One-way flights from Iowa to London
Search for one-way flight options from Iowa to London. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Fri 5/236:58 pmCID - LHR

3 stops45h 27mMultiple Airlines

Deal found 3/26

$425

Sun 5/46:15 amOMA - LHR

2 stops17h 40mUnited Airlines

Deal found 3/27

$488

Sun 5/45:25 amOMA - LHR

1 stop19h 20mDelta

Deal found 3/26

$503

Tue 4/1511:54 amDSM - LHR

2 stops18h 46mAer Lingus

Deal found 3/26

$507

Sun 5/115:45 amDSM - LHR

2 stops18h 45mAir Canada

Deal found 3/26

$515

Sun 5/112:15 pmDSM - LHR

1 stop17h 15mKLM

Deal found 3/26

$524

Sun 5/118:07 amDSM - LHR

1 stop18h 13mUnited Airlines

Deal found 3/26

$529

Sun 5/411:10 amOMA - LCY

2 stops21h 10mBritish Airways

Deal found 3/27

$556

Tue 4/1511:54 amDSM - LGW

2 stops16h 56mIberia

Deal found 3/26

$561

Wed 8/2710:15 amDSM - LCY

2 stops15h 00mDelta

Deal found 3/27

$567

Sun 5/116:45 pmDSM - LCY

2 stops35h 45mUnited Airlines

Deal found 3/26

$575

Sun 6/811:07 amOMA - LGW

1 stop17h 03mMultiple Airlines

Deal found 3/26

$583

Cheapflights Fare Finder

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

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 9/15

2:14 pm-4:00 pm

2 stops19h 46m

London Heathrow

Wed 9/24

7:30 pm-10:22 pm

2 stops32h 52m

$741

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 4/30

9:38 am-6:25 am

1 stop14h 47m

London Heathrow

Tue 5/6

6:10 am-6:56 pm

2 stops18h 46m

$749

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 4/20

11:54 am-7:20 am

1 stop13h 26m

London Heathrow

Tue 4/29

11:30 am-10:17 pm

2 stops16h 47m

$751

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 4/20

8:47 am-9:40 am

1 stop18h 53m

London Heathrow

Tue 4/29

2:05 pm-10:40 am

2 stops26h 35m

$759

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 4/23

9:38 am-9:00 am

1 stop17h 22m

London Heathrow

Wed 5/7

12:15 pm-6:56 pm

1 stop12h 41m

$767

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 4/20

5:46 pm-1:10 pm

1 stop13h 24m

London Heathrow

Tue 4/29

9:20 am-10:38 pm

1 stop19h 18m

$782

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 5/11

8:07 am-6:30 am

2 stops16h 23m

London Heathrow

Sun 5/18

2:05 pm-10:30 am

2 stops26h 25m

$793

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 5/6

2:15 pm-1:30 pm

1 stop17h 15m

London Heathrow

Tue 5/13

3:15 pm-10:30 pm

1 stop13h 15m

$800

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 5/6

8:07 am-10:00 am

2 stops19h 53m

London Heathrow

Tue 5/13

10:50 am-9:52 pm

2 stops17h 02m

$803

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Mon 8/18

11:28 am-6:50 am

1 stop13h 22m

London Heathrow

Mon 9/1

7:25 pm-5:43 pm

2 stops28h 18m

$804

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 60 results

...

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, November is the cheapest month in which you can book a flight from Iowa to London (average of $661). Flying from Iowa to London in June is currently the most expensive (average of $1,115). 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.

What is the cheapest time of day to fly from IA to LON?

When flying from Iowa to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Read reviews from past customers who have flown Delta, KLM and Finnair from Iowa to London. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,896 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,267 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,424 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,603 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Iowa to London one-way?
To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $488. Delta flights start at $503 while deals on Aer Lingus start at $507 one-way.
What are the most popular routes from Iowa to London?
The most popular route from Iowa to London is Des Moines - London Heathrow. You may also consider Omaha Eppley Airfield - London Heathrow or Des Moines - London Gatwick.
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, November is the cheapest month in which you can book a flight from Iowa to London (average of $661). Flying from Iowa to London in June is currently the most expensive (average of $1,115). 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

Hounslow

Hayes

Thornton Heath

Luton

Wembley

Harrow

Horley

Canterbury

Gatwick

Dover

Orpington

Watford

Milton Keynes

Croydon

Borehamwood

Bromley

Folkestone

Ilford

Aylesbury

Sutton

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Iowa to London

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$663	Average$1,119	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$664	Average$804	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$691	Average$838	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$697	Average$920	FlexibilityNo cancel fee	On-time69%
Virgin Atlantic	Cheapest$705	Average$941	FlexibilityNo cancel fee	On-time72%

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$425+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Iowa to London with Cheapflights

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Cheap flight deals from Iowa to London

Keep the following information in mind while searching for Iowa to London flight deals. Data was last updated March 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Iowa to London

Cheapest flights from Iowa to LondonExplore 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 March 28, 2025.

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 March 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Iowa to London that are best for you.

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.

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?

What is the cheapest time of day to fly from IA to LON?

Find hourly flight availability from Iowa to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

Read reviews from past customers who have flown Delta, KLM and Finnair from Iowa to London. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What are the cheapest airlines to fly from Iowa to London one-way?

What are the most popular routes from Iowa to London?

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

How can I find direct flights from Iowa to London?

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

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

Traveling to a place near Iowa?

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Alternative routes for Iowa to London

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Top 5 airlines flying from Iowa to London

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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 March 28, 2025.