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Illinois travel advice
Explore our complete guide to Illinois with the latest travel advice for travellers and holidaymakers including official updates and local travel tips for Illinois.
- Essential travel guide
- Weather & climate
- Travel advice
- Travel health
- Travel features
- Top travel deals
- Destinations
- FAQs
Illinois travel guide - essential info
Below is a beginner's guide to Illinois with essential travel facts such as dominant language spoken, typical flight time from the UK and the local currency. You can also check whether visas are required and what plug adapter you need to pack.
| Illinois - quick facts | |
|---|---|
| Flight time✝ | 8.5 hours |
| Time difference | UK -6 hours |
| Language(s) | English |
| Currency | US Dollar |
| Electricity | A + B plug (120V) |
| Driving side | Right |
| Visa✝ | Yes |
Why visit Illinois?
Considering a holiday to the Illinois? Here are some of the very good reasons it makes such a wonderful holiday destination such as for its culture to ensure you get the most out of your 2025/2026 escape.
- Culture
Illinois tourist information
✝ = Typical flight time from the UK and visa requirements for UK travellers.
| Travelling to Illinois? | |
|---|---|
| Holidays Hotels Holiday rentals Car hire Flights Things to do |
Recommended for Illinois
Illinois weather
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum daytime temperature °C |  -1 |
 1 |
 8 |
 15 |
 21 |
 27 |
 29 |
28 |
 24 |
17 |
9 |
2 |
| Hours of sunshine (daily) | ||||||||||||
| Days with some rainfall |  12 |
10 |
 13 |
13 |
11 |
10 |
10 |
 9 |
9 |
9 |
11 |
12 |
| Sea temperature °C |  4 |
 3 |
3 |
3 |
 6 |
 12 |
 19 |
 21 |
19 |
 14 |
 9 |
5 |
The Illinois weather guide shows long term monthly averages for Chicago.
TUI deal finder
Illinois travel advice
Check the latest travel advice on visiting Illinois from official government sources (in english) from around the world including entry requirements and travel restrictions.
- UK traveller advice for the Illinois - UK FCDO
- Irish traveller advice for the Illinois - Department of Foreign Affairs, Ireland
- Canadian travel advice for the Illinois - Government of Canada
- Safe travel advisories for the Illinois - Ministry of Foreign Affairs, New Zealand
- Smarter traveller advice for the Illinois - Department of Foreign Affairs, Australia
Learn more about the current safety and security risks from terrorism, natural disasters and more. Read about the local laws and customs to consider when travelling around Illinois.
Note: UK FCDO - UK Foreign, Commonwealth & Development Office
FCDO travel advice
Illinois travel health
Find out more about staying safe when travelling to Illinois with the latest guidance on required vaccinations and recommended medication to take with you.
- Vaccines & medicines for the Illinois - CDC
- Health & vaccinations for the Illinois - TravelHealthPro, NaTHNac
- How to stay safe & healthy in the Illinois - Fit for Travel, Public Health Scotland
Check out the general travel tips for staying safe and healthy in Illinois, risks of preventable diseases and what to pack.
Note: CDC - Centers for Disease Control and Prevention
Illinois travel features
Do you want to learn more about Illinois? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Illinois.
Illinois FAQs
Read our frequently asked questions about travelling to Illinois including the current entry restrictions, covid rules, driving side, electrical plugs used and much more.
Are there entry restrictions to Illinois?
Illinois is open to fully vaccinated travellers only from the UK.
Proof of full Covid-19 vaccination required for arrivals from the UK.
Check out Illinois Department of Public Health for more information.
What is the flight time to Illinois from the UK?
The flight time to Illinois from the UK is typically 8.5 hours.
Flights to Illinois
What is the time difference between Illinois and the UK?
The time difference between Illinois and the UK is UK time-6 hours.
What is the main language spoken in Illinois?
The main language spoken in Illinois is English.
Learn a language for Illinois with Rosetta Stone*, Busuu* and Rocket Languages*.
What is the currency in Illinois?
The currency in Illinois is the US Dollar (USD).
Send money to Illinois with TransferGo*.
Which plugs are used in Illinois?
Illinois uses electrical plug type A + B (120 Volts).
Which side of the road do they drive on in Illinois?
They drive on the right side of the road in Illinois.
Find out more about driving in USA with International Drivers Association*.
Transport options for Illinois
Do you need a visa for Illinois?
Yes, UK passport holders do need a visa to enter Illinois.
Check Illinois visa requirements for all passport holders with iVisa.com*.
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