How far in advance should I book a flight from Bristol to Illinois?

Travelers have found it’s best to book a flight 41 days in advance to save up to 1,004% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 41 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Bristol to Illinois 1-2 weeks in advance for as low as £538, or £1,009 for flights within the next 24 hours.

What is the cheapest month to fly from Bristol to Illinois?

Flights from Bristol to Illinois lean towards being more expensive in July. Prices are generally better when you fly from Bristol to Illinois in April, with the cheapest ticket starting at £493.

What airport do you fly from for flights from Bristol to Illinois?

Located just 7.4 mi from the city center, Bristol (BRS) is the airport most travelers will use when flying to Illinois from Bristol.

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

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

How can I find direct flights from Bristol to Illinois?

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

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

Yes. Cheapflights offers flight deals from Bristol 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.

£402+ Flights from Bristol to Illinois

Cheap flight deals from Bristol to Illinois

Round-trip from	£509
One-way from	£402
Popular in	July
Cheapest in	April
Average price	£671

Virgin Atlantic
22/9-29/9
4 total stops
35h 06m total
Bristol to Illinois

Search Deals

27/10
3 total stops
46h 00m total
Bristol to Illinois

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£78 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Bristol to Illinois

Cheapest flights from Bristol to Illinois
Explore the most affordable flight options available from Bristol to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 June 2025.

Mon 22/906:15BRS - ORD

2 stops17h 21mVirgin Atlantic

Mon 29/916:50ORD - BRS

1 stop10h 00mVirgin Atlantic

Deal found 13/6£509

Mon 22/906:15BRS - MDW

2 stops17h 52mDelta

Mon 29/913:00MDW - BRS

2 stops13h 50mDelta

Deal found 13/6£522

Wed 20/806:15BRS - ORD

1 stop14h 25mKLM

Wed 3/916:50ORD - BRS

1 stop23h 15mKLM

Deal found 14/6£551

Thu 28/808:25BRS - ORD

1 stop11h 35mAer Lingus

Thu 4/921:15ORD - BRS

1 stop15h 20mAer Lingus

Deal found 13/6£552

Wed 20/809:20BRS - ORD

2 stops18h 34mDelta

Wed 3/913:25ORD - BRS

2 stops17h 50mDelta

Deal found 14/6£555

Tue 29/707:20BRS - ORD

2 stops19h 55mMultiple Airlines

Tue 5/819:25ORD - BRS

2 stops19h 35mMultiple Airlines

Deal found 14/6£567

Thu 21/809:20BRS - MDW

2 stops15h 17mKLM

Wed 3/913:08MDW - BRS

2 stops13h 42mKLM

Deal found 14/6£748

Wed 30/713:45BRS - MDW

2 stops34h 17mVirgin Atlantic

Wed 6/809:25MDW - BRS

2 stops17h 25mVirgin Atlantic

Deal found 13/6£901

Best flights from Bristol to Illinois
Discover carefully curated flight deals from Bristol to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 June 2025.

Mon 22/906:15BRS - ORD

2 stops17h 21mVirgin Atlantic

Mon 29/913:30ORD - BRS

2 stops17h 45mVirgin Atlantic

Deal found 13/6£509

Mon 22/906:15BRS - MDW

2 stops17h 52mDelta

Mon 29/913:00MDW - BRS

2 stops13h 50mDelta

Deal found 13/6£522

Wed 20/806:15BRS - ORD

1 stop14h 25mKLM

Wed 3/916:50ORD - BRS

1 stop23h 15mKLM

Deal found 14/6£551

Tue 29/707:20BRS - ORD

2 stops19h 55mMultiple Airlines

Tue 5/819:25ORD - BRS

2 stops19h 35mMultiple Airlines

Deal found 14/6£567

Mon 22/908:25BRS - ORD

1 stop11h 35mAer Lingus

Mon 29/922:20ORD - BRS

1 stop11h 40mAer Lingus

Deal found 13/6£643

Wed 20/809:20BRS - ORD

2 stops18h 34mDelta

Wed 3/913:25ORD - BRS

2 stops17h 50mDelta

Deal found 14/6£555

Thu 21/809:20BRS - MDW

2 stops15h 17mKLM

Wed 3/913:08MDW - BRS

2 stops13h 42mKLM

Deal found 14/6£748

Wed 30/713:45BRS - MDW

2 stops34h 17mVirgin Atlantic

Wed 6/809:25MDW - BRS

2 stops17h 25mVirgin Atlantic

Deal found 13/6£901

Last-minute flights from Bristol to Illinois
Discover last-minute flight deals from Bristol to Illinois. Data last updated 16 June 2025 and is based on user searches.

Tue 29/707:20BRS - ORD

2 stops19h 55mMultiple Airlines

Tue 5/819:25ORD - BRS

2 stops19h 35mMultiple Airlines

Deal found 14/6£567

Tue 29/713:45BRS - ORD

1 stop30h 55mKLM

Tue 5/816:20ORD - BRS

1 stop18h 40mKLM

Deal found 14/6£734

Tue 29/706:20BRS - MDW

2 stops18h 20mDelta

Tue 5/813:09MDW - BRS

2 stops13h 41mDelta

Deal found 14/6£739

Wed 30/713:45BRS - MDW

2 stops34h 17mVirgin Atlantic

Wed 6/809:25MDW - BRS

2 stops17h 25mVirgin Atlantic

Deal found 13/6£901

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BristolChicago

BRS - ORD

BRSORD

Bristol

Mon 22/9

06:15-17:36

2 stops17h 21m

Chicago O'Hare Intl

Mon 29/9

16:50-08:50

1 stop10h 00m

£509

BristolChicago

BRS - MDW

BRSMDW

Bristol

Mon 22/9

06:15-18:07

2 stops17h 52m

Chicago Midway

Mon 29/9

13:00-08:50

2 stops13h 50m

£522

BristolChicago

BRS - ORD

BRSORD

Bristol

Wed 20/8

06:15-14:40

1 stop14h 25m

Chicago O'Hare Intl

Wed 3/9

16:50-22:05

1 stop23h 15m

£551

BristolChicago

BRS - ORD

BRSORD

Bristol

Thu 28/8

08:25-14:00

1 stop11h 35m

Chicago O'Hare Intl

Thu 4/9

21:15-18:35

1 stop15h 20m

£552

BristolChicago

BRS - ORD

BRSORD

Bristol

Wed 20/8

09:20-21:54

2 stops18h 34m

Chicago O'Hare Intl

Wed 3/9

13:25-13:15

2 stops17h 50m

£555

BristolChicago

BRS - ORD

BRSORD

Bristol

Tue 29/7

07:20-21:15

2 stops19h 55m

Chicago O'Hare Intl

Tue 5/8

19:25-21:00

2 stops19h 35m

£567

BristolChicago

BRS - MDW

BRSMDW

Bristol

Thu 21/8

09:20-18:37

2 stops15h 17m

Chicago Midway

Wed 3/9

13:08-08:50

2 stops13h 42m

£748

BristolChicago

BRS - MDW

BRSMDW

Bristol

Wed 30/7

13:45-18:02

2 stops34h 17m

Chicago Midway

Wed 6/8

09:25-08:50

2 stops17h 25m

£901

BristolChicago

BRS - ORD

BRSORD

Bristol

Mon 27/10

06:10-23:10

3 stops46h 00m

£402

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Best time to book a flight from Bristol to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Bristol 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.

Cheapflights Insights

Everything you need to know about your flight from Bristol to Illinois

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

Currently, January is the cheapest month in which you can book a flight from Bristol to Illinois (average of £595). Flying from Bristol 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 time of day to fly from BRS to IL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bristol to Illinois as you normally would.

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

Get a feel of what it's like to fly with Delta, KLM and Virgin Atlantic from Bristol to Illinois by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,963 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,361 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

652 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Aer Lingus

7.1

Good

1,117 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Bristol to Illinois?
Located just 7.4 mi from the city center, Bristol (BRS) is the airport most travelers will use when flying to Illinois from Bristol.
Can I find deals for flights from Bristol to Illinois that include hotel bookings?
Yes. In addition to deals on Bristol to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Bristol to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bristol to Illinois.
Can I find deals for business class flights from Bristol to Illinois?
Yes. Cheapflights offers flight deals from Bristol 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 Bristol to Illinois?
Currently, January is the cheapest month in which you can book a flight from Bristol to Illinois (average of £595). Flying from Bristol 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 Bristol to Illinois

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Heathrow to Nashville flights

London City to San Francisco flights

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Gatwick to Seattle flights

Heathrow to Denver flights

Gatwick to Las Vegas flights

Luton to Los Angeles 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

Champaign University-Willard Airport car hire

Springfield Capital Airport car hire

Chicago Greater Rockford Airport car hire

Belleville Airport car hire

Marion Williamson County Airport car hire

Quincy Regional Airport car hire

Direct flights to United States

Top 2 airlines flying from Bristol to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£500	Average£700	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
KLM	Cheapest£516	Average£626	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Bristol to Illinois flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Bristol 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 Bristol.

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

Yes! Cheapflights helps users easily find flights from Bristol to Illinois with no change fees.

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

Not ready to book yet? You can track prices for flights from Bristol to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

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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 Bristol to Illinois from £402

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Bristol to Illinois

Keep the following information in mind while searching for Bristol to Illinois flight deals. Data was last updated 16 June 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Bristol to Illinois

Cheapest flights from Bristol to IllinoisExplore the most affordable flight options available from Bristol to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 June 2025.

Explore the most affordable flight options available from Bristol to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 June 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Bristol to Illinois

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

Cheapflights Insights

Everything you need to know about your flight from Bristol to Illinois

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

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

Find hourly flight availability from Bristol to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 June 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Bristol to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Bristol to Illinois?

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

How can I find direct flights from Bristol to Illinois?

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

What is the cheapest month to book a flight from Bristol 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 Bristol to Illinois

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

Top 2 airlines flying from Bristol 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 Bristol to Illinois?

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Bristol to Illinois
Explore the most affordable flight options available from Bristol to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 June 2025.