What are the cheapest airlines to fly from Wales to Illinois one-way?

To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at £495. TAP AIR PORTUGAL flights start at £533 while deals on Aer Lingus start at £578 one-way.

What is the cheapest month to book a flight from Wales to Illinois?

Currently, January is the cheapest month in which you can book a flight from Wales to Illinois (average of £595). Flying from Wales to Illinois in July is currently the most expensive (average of £843). 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 month to fly from Wales to Illinois?

Our data shows that October tends to be the cheapest month to fly to Illinois from Wales. Users have commonly found prices around £704 for the month, but tickets can be as low as £509. Due to multiple factors, prepare for potentially higher prices in August.

What is the cheapest time of day to fly from WLS to IL?

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

Can I find deals for flights from Wales to Illinois that include hotel bookings?

Yes. In addition to deals on Wales to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Wales to Illinois?

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

Can I find deals for business class flights from Wales to Illinois?

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

£276+ Flights from Wales to Illinois

Cheap flight deals from Wales to Illinois

Round-trip from	£441
One-way from	£276
Popular in	August
Cheapest in	October
Average price	£646

4/3-11/3
4 total stops
30h 15m total
Wales to Illinois

Search Deals

3/5
3 total stops
32h 06m total
Wales to Illinois

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£102 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£31 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from Wales to Illinois

Cheapest flights from Wales to Illinois
Explore the most affordable flight options available from Wales to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.

Tue 4/306:00MAN - ORD

2 stops17h 20mMultiple Airlines

Tue 11/319:30ORD - MAN

2 stops12h 55mMultiple Airlines

Deal found 22/2£441

Wed 23/409:20MAN - ORD

1 stop11h 25mBritish Airways

Mon 28/419:15ORD - MAN

1 stop12h 00mBritish Airways

Deal found 21/2£445

Mon 24/308:55MAN - ORD

1 stop13h 20mSWISS

Mon 31/318:35ORD - MAN

1 stop17h 20mSWISS

Deal found 22/2£458

Wed 23/413:05MAN - ORD

1 stop14h 10mIcelandair

Mon 28/419:30ORD - MAN

1 stop10h 10mIcelandair

Deal found 20/2£474

Wed 23/419:15MAN - ORD

1 stop25h 00mIberia

Wed 30/418:30ORD - MAN

2 stops15h 05mIberia

Deal found 21/2£497

Wed 5/308:55MAN - ORD

1 stop11h 50mFinnair

Mon 10/318:30ORD - MAN

2 stops14h 30mFinnair

Deal found 21/2£498

Tue 4/306:05MAN - ORD

2 stops37h 06mUnited Airlines

Sun 6/408:00ORD - MAN

2 stops19h 50mUnited Airlines

Deal found 20/2£512

Tue 4/308:55MAN - ORD

1 stop11h 50mAmerican Airlines

Mon 10/322:45ORD - MAN

1 stop11h 15mAmerican Airlines

Deal found 21/2£517

Tue 4/314:00MAN - ORD

1 stop13h 24mVirgin Atlantic

Tue 11/313:26ORD - MAN

2 stops12h 34mVirgin Atlantic

Deal found 22/2£520

Sun 4/509:50MAN - ORD

1 stop12h 20mScandinavian Airlines

Sun 18/519:15ORD - MAN

1 stop17h 15mScandinavian Airlines

Deal found 21/2£521

Mon 3/305:55MAN - ORD

1 stop14h 35mDelta

Mon 10/318:15ORD - MAN

2 stops16h 40mDelta

Deal found 21/2£529

Mon 22/907:40BRS - ORD

1 stop12h 20mMultiple Airlines

Mon 29/920:50ORD - BRS

1 stop13h 15mMultiple Airlines

Deal found 22/2£531

Best flights from Wales to Illinois
Discover carefully curated flight deals from Wales to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 February 2025.

Tue 4/306:00MAN - ORD

2 stops17h 20mMultiple Airlines

Tue 11/319:30ORD - MAN

2 stops12h 55mMultiple Airlines

Deal found 22/2£441

Mon 24/308:55MAN - ORD

1 stop13h 20mSWISS

Mon 31/318:35ORD - MAN

1 stop17h 20mSWISS

Deal found 22/2£458

Tue 4/312:30MAN - ORD

1 stop12h 15mBritish Airways

Tue 11/319:30ORD - MAN

1 stop10h 55mBritish Airways

Deal found 22/2£486

Wed 12/305:55MAN - ORD

1 stop14h 35mVirgin Atlantic

Sun 16/307:35ORD - MAN

1 stop18h 25mVirgin Atlantic

Deal found 22/2£500

Wed 23/408:00MAN - ORD

1 stop13h 55mFinnair

Wed 30/418:30ORD - MAN

2 stops15h 05mFinnair

Deal found 22/2£501

Fri 21/306:05MAN - ORD

2 stops31h 56mUnited Airlines

Fri 28/316:05ORD - MAN

2 stops17h 45mUnited Airlines

Deal found 21/2£515

Fri 21/310:10MAN - ORD

1 stop13h 40mScandinavian Airlines

Fri 28/320:40ORD - MAN

1 stop12h 20mScandinavian Airlines

Deal found 21/2£524

Sun 23/313:40MAN - ORD

1 stop30h 50mDelta

Mon 31/318:15ORD - MAN

2 stops13h 10mDelta

Deal found 22/2£531

Mon 7/420:55MAN - ORD

1 stop23h 05mAer Lingus

Mon 21/415:45ORD - MAN

1 stop9h 50mAer Lingus

Deal found 22/2£666

Sat 7/606:05MAN - ORD

2 stops32h 34mLufthansa

Sat 21/614:00ORD - MAN

1 stop14h 00mLufthansa

Deal found 22/2£714

Fri 11/713:05MAN - ORD

1 stop11h 10mIcelandair

Mon 14/719:25ORD - MAN

1 stop10h 15mIcelandair

Deal found 22/2£733

Mon 7/409:10MAN - ORD

2 stops34h 10mAustrian Airlines

Mon 21/416:20ORD - MAN

2 stops19h 05mAustrian Airlines

Deal found 22/2£844

Last-minute flights from Wales to Illinois
Discover last-minute flight deals from Wales to Illinois. Data last updated 23 February 2025 and is based on user searches.

Thu 27/209:05MAN - ORD

2 stops17h 48mDelta

Thu 6/307:05ORD - MAN

1 stop18h 30mDelta

Deal found 22/2£968

Thu 27/211:55MAN - MDW

2 stops15h 40mMultiple Airlines

Thu 6/312:25MDW - MAN

3 stops16h 20mMultiple Airlines

Deal found 22/2£1,672

Thu 27/218:30MAN - ORD

3 stops43h 10mEthiopian Air

Thu 6/309:45ORD - MAN

2 stops40h 30mEthiopian Air

Deal found 22/2£2,639

Fri 28/219:15MAN - STL

2 stops34h 21mScandinavian Airlines

Wed 12/310:19STL - MAN

2 stops42h 11mScandinavian Airlines

Deal found 22/2£976

Fri 28/213:55MAN - STL

2 stops14h 08mAer Lingus

Thu 6/311:59STL - MAN

2 stops13h 36mAer Lingus

Deal found 22/2£1,139

Fri 28/206:05MAN - STL

1 stop13h 50mLufthansa

Wed 12/313:05STL - MAN

2 stops16h 15mLufthansa

Deal found 22/2£1,252

Fri 28/212:00MAN - STL

1 stop14h 01mVirgin Atlantic

Thu 6/312:52STL - MAN

1 stop12h 43mVirgin Atlantic

Deal found 22/2£1,253

Mon 3/305:55MAN - ORD

1 stop14h 35mDelta

Mon 10/318:15ORD - MAN

2 stops16h 40mDelta

Deal found 21/2£529

Tue 4/306:00MAN - ORD

2 stops17h 20mMultiple Airlines

Tue 11/319:30ORD - MAN

2 stops12h 55mMultiple Airlines

Deal found 22/2£441

Tue 4/312:30MAN - ORD

1 stop12h 15mBritish Airways

Tue 11/319:30ORD - MAN

1 stop10h 55mBritish Airways

Deal found 22/2£486

Tue 4/314:00MAN - ORD

1 stop13h 24mVirgin Atlantic

Tue 11/313:26ORD - MAN

2 stops12h 34mVirgin Atlantic

Deal found 22/2£520

Tue 4/306:05MAN - ORD

2 stops37h 06mUnited Airlines

Sun 6/408:00ORD - MAN

2 stops19h 50mUnited Airlines

Deal found 20/2£512

One-way flights from Wales to Illinois
Search for one-way flight options from Wales to Illinois. Find affordable one-way fares based on user searches. Data last updated 23 February 2025.

Sat 3/522:00MAN - STL

3 stops32h 06mMultiple Airlines

Deal found 22/2£276

Tue 27/520:25BRS - ORD

3 stops28h 16mMultiple Airlines

Deal found 22/2£333

Fri 21/317:45MAN - ORD

2 stops43h 44mMultiple Airlines

Deal found 22/2£396

Fri 21/313:15MAN - MDW

3 stops37h 41mMultiple Airlines

Deal found 22/2£406

Tue 3/613:05MAN - ORD

1 stop14h 10mIcelandair

Deal found 21/2£495

Wed 20/811:00MAN - ORD

1 stop35h 10mTAP AIR PORTUGAL

Deal found 20/2£533

Tue 3/620:55MAN - ORD

2 stops22h 55mAer Lingus

Deal found 21/2£578

Mon 26/520:25BRS - ORD

2 stops23h 25mAer Lingus

Deal found 22/2£582

Fri 21/310:10MAN - ORD

1 stop13h 40mScandinavian Airlines

Deal found 22/2£590

Mon 31/316:55MAN - ORD

1 stop24h 55mFinnair

Deal found 21/2£643

Fri 21/312:00MAN - MDW

1 stop15h 23mVirgin Atlantic

Deal found 22/2£1,294

Wed 20/811:55MAN - MDW

1 stop15h 52mDelta

Deal found 22/2£1,396

Find flights from Wales to Illinois within your budget

Fly from

Fly to

Route

Depart

Return

Price

ManchesterChicago

MAN - ORD

MANORD

Manchester

Tue 4/3

06:00-17:20

2 stops17h 20m

Chicago O'Hare Intl

Tue 11/3

19:30-13:25

2 stops12h 55m

£441

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 23/4

09:20-14:45

1 stop11h 25m

Chicago O'Hare Intl

Mon 28/4

19:15-13:15

1 stop12h 00m

£445

ManchesterChicago

MAN - ORD

MANORD

Manchester

Mon 24/3

08:55-17:15

1 stop13h 20m

Chicago O'Hare Intl

Mon 31/3

18:35-17:55

1 stop17h 20m

£458

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 23/4

13:05-21:15

1 stop14h 10m

Chicago O'Hare Intl

Mon 28/4

19:30-11:40

1 stop10h 10m

£474

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 23/4

19:15-14:15

1 stop25h 00m

Chicago O'Hare Intl

Wed 30/4

18:30-15:35

2 stops15h 05m

£497

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 5/3

08:55-14:45

1 stop11h 50m

Chicago O'Hare Intl

Mon 10/3

18:30-14:00

2 stops14h 30m

£498

ManchesterChicago

MAN - ORD

MANORD

Manchester

Tue 4/3

06:05-13:11

2 stops37h 06m

Chicago O'Hare Intl

Sun 6/4

08:00-09:50

2 stops19h 50m

£512

ManchesterChicago

MAN - ORD

MANORD

Manchester

Tue 4/3

08:55-14:45

1 stop11h 50m

Chicago O'Hare Intl

Mon 10/3

22:45-15:00

1 stop11h 15m

£517

ManchesterChicago

MAN - ORD

MANORD

Manchester

Tue 4/3

14:00-21:24

1 stop13h 24m

Chicago O'Hare Intl

Tue 11/3

13:26-07:00

2 stops12h 34m

£520

ManchesterChicago

MAN - ORD

MANORD

Manchester

Sun 4/5

09:50-16:10

1 stop12h 20m

Chicago O'Hare Intl

Sun 18/5

19:15-18:30

1 stop17h 15m

£521

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 43 results

...

Best time to book a flight from Wales to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Wales with our price prediction graph.

Estimated return 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.

Travel insights for flights from Wales to Illinois

Get recent, data-driven insights about flights from Wales to Illinois including ideal travel times, pricing trends, and more.

Rainfall in Illinois by month

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

If weather is an important factor for your trip to Illinois, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Illinois

Read through reviews of airlines operating flights from Wales to Illinois, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,203 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

8,203 reviews

Delta

8.0

Very Good

8,203 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,332 reviews

Delta

8.0

Very Good

8,203 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,271 reviews

Delta

8.0

Very Good

8,203 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines

7.5

Good

771 reviews

Delta

8.0

Very Good

8,203 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,568 reviews

Delta

8.0

Very Good

8,203 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from Wales to Illinois one-way?
To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at £495. TAP AIR PORTUGAL flights start at £533 while deals on Aer Lingus start at £578 one-way.
Can I find deals for flights from Wales to Illinois that include hotel bookings?
Yes. In addition to deals on Wales to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Wales to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wales to Illinois.
Can I find deals for business class flights from Wales to Illinois?
Yes. Cheapflights offers flight deals from Wales to Illinois 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 Wales to Illinois?
Currently, January is the cheapest month in which you can book a flight from Wales to Illinois (average of £595). Flying from Wales to Illinois in July is currently the most expensive (average of £843). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Wales to Illinois

Heathrow to John F Kennedy Intl flights

Heathrow to Newark flights

Heathrow to LaGuardia flights

London City to John F Kennedy Intl flights

Gatwick to Newark flights

Gatwick to John F Kennedy Intl flights

London City to Newark flights

Stansted to Stewart flights

Heathrow to Orlando flights

Heathrow to Miami flights

Heathrow to Los Angeles flights

Heathrow to Boston flights

Heathrow to Dallas/Fort Worth flights

Gatwick to LaGuardia flights

Heathrow to Las Vegas flights

Heathrow to O'Hare Intl flights

Luton to John F Kennedy Intl flights

Heathrow to San Francisco flights

Heathrow to Dulles Intl flights

Stansted to John F Kennedy Intl flights

Gatwick to Orlando flights

Heathrow to Baltimore flights

Manchester to Orlando flights

Heathrow to Seattle flights

London City to Miami flights

London City to Los Angeles flights

London City to Orlando flights

Luton to Stewart flights

Gatwick to Boston flights

Heathrow to Hobby flights

Gatwick to Los Angeles flights

Heathrow to Tampa flights

Luton to Newark flights

Heathrow to Nashville flights

Heathrow to Atlanta flights

Manchester to John F Kennedy Intl flights

London City to Boston flights

Gatwick to Miami flights

Gatwick to San Francisco flights

London City to San Francisco flights

Manchester to LaGuardia flights

Heathrow to Denver flights

Manchester to Newark flights

Heathrow to Midway flights

Heathrow to Ontario flights

Heathrow to Austin flights

Heathrow to George Bush Intcntl flights

Stansted to Newark flights

Stansted to Boston flights

London City to Las Vegas flights

Complete your trip

Illinois car hire

Chicago O'Hare Intl Airport car hire

Chicago Midway Airport car hire

Moline Quad-City Airport car hire

Greater Peoria Airport car hire

Bloomington-Normal Airport car hire

Springfield Capital Airport car hire

Chicago Greater Rockford Airport car hire

Champaign University-Willard Airport car hire

Belleville Airport car hire

Marion Williamson County Airport car hire

Quincy Regional Airport car hire

Direct flights to United States

Top airline flying from Wales to Illinois

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£654	Average£923	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

How does Cheapflights help users find flights from Wales to Illinois?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Wales to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Wales to Illinois?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Wales.

Can Cheapflights find flights from Wales to Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Wales to Illinois flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Wales to Illinois become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Illinois from Wales today and book when prices fit your budget.

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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.

Cheap flights from Wales to Illinois from £276

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Wales to Illinois

Keep the following information in mind while searching for Wales to Illinois flight deals. Data was last updated 23 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Wales to Illinois

Cheapest flights from Wales to IllinoisExplore the most affordable flight options available from Wales to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.

Explore the most affordable flight options available from Wales to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.

Find flights from Wales to Illinois within your budget

Best time to book a flight from Wales to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Wales with our price prediction graph.

Travel insights for flights from Wales to Illinois

Get recent, data-driven insights about flights from Wales to Illinois including ideal travel times, pricing trends, and more.

Rainfall in Illinois by month

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

Temperature in Illinois by month

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

Reviews of airlines servicing Illinois

Read through reviews of airlines operating flights from Wales to Illinois, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Wales to Illinois. 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 Wales to Illinois one-way?

Can I find deals for flights from Wales to Illinois that include hotel bookings?

How can I find direct flights from Wales to Illinois?

Can I find deals for business class flights from Wales to Illinois?

What is the cheapest month to book a flight from Wales to Illinois?

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.

Alternative routes for Wales to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Wales to Illinois

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Wales to Illinois?

Why should you use Cheapflights to find cheap flight tickets from Wales to Illinois?

Can Cheapflights find flights from Wales to Illinois with no change fees?

Can Cheapflights notify me if prices for flights from Wales to Illinois become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Wales to Illinois
Explore the most affordable flight options available from Wales to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.