A street with a bakery, motorcycles parked on the sidewalk, and a blue car.

Northern Illinois Adults Only Holidays

Book a Hotel + Flight or Car together to unlock savings

  • Plan, book, travel with confidence

  • Better together

    Save up to £750 when you book a flight and hotel together*
  • Find the right fit

    With over 300,000 hotels worldwide, it's easy to create a perfect package
  • Rest easy

    Packages with flights are ATOL protected

Discover the most popular places to visit in Northern Illinois

What to do in Northern Illinois

Top Adults Only Northern Illinois Hotels

Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently Asked Questions

Why should I book my Northern Illinois holiday with Expedia?

Expedia has you covered for all aspects of your next Northern Illinois getaway. You'll always get the best deals, but when you bundle your accommodation, airfares and/or car hire into a holiday package, you'll get even bigger savings. Want to really make the most of your break? Add a few exciting activities and tours to your package. We offer flexible cancellation policies on almost all bookings, so there's no need to stress if your plans change. Visit our Customer Service Portal link to find out more.

When is the best time of year to holiday in Northern Illinois?

Northern Illinois is at its busiest in June, July and August. If you want a more laid-back holiday, visit in December, January and February. With daytime average temperatures of -5ºC, January is the coolest period in Northern Illinois. The warmest time of year is July, when you can experience averages of 22ºC during the day. Whatever the weather, you'll find plenty of things to keep you entertained here.

What are the top hotels for my holiday in Northern Illinois?

Have a look at LondonHouse Chicago, Curio Collection by Hilton and Congress Plaza Hotel. They're top picks for lots of travellers to Galena. If Quad Cities features on your itinerary, Arlo Midtown and Holiday Inn Manhattan-Financial District, an IHG Hotel are two popular options.

How do I get a cheap holiday to Northern Illinois?

Secure flights that suit your busy schedule, add a hotel room to your booking and watch how much you save with a Northern Illinois holiday. It's that simple! From hotels and flights to tours and hire cars, Expedia is where your cheap holiday begins. And with more than 400 air carriers and 321,000 hotels around the world to select from, you'll never be short of choice. Learn more about how you can save money on your holiday when you bundle your flight and hotel bookings with Expedia.

What should I do on my Northern Illinois holiday?

Discover major attractions including Starved Rock State Park, Northern Illinois University, Diamond Jo Casino and BMO Harris Bank Centre. With so many amazing things to see and do, your holiday in Northern Illinois is sure to be memorable.

Do I need a visa for my Northern Illinois holiday?

Visa requirements for Northern Illinois vary based on your nationality and the purpose of your visit. Be sure to check official government websites to determine if you need a visa for your trip. They'll give you the most up-to-date information, including details about application procedures or supporting documentation that may be necessary. Enquire about your visa requirements well ahead of time to ensure a smooth travel experience. Finally, make sure your passport has at least six months validity from your planned date of return.

What should I wear on my Northern Illinois holiday?

Although everyone's style varies, it can be useful to have a few guidelines for what kind of clothes to wear on your holiday in Northern Illinois. Consider searching style blogs before you leave for inspiration on local fashion trends. In Northern Illinois, average daytime temperatures reach 22ºC during July, making it the warmest month. January marks the coolest time of the year here, with the mercury averaging -5ºC in the day. Pack with confidence by monitoring the forecast for all the places on your itinerary.

What does an Expedia Northern Illinois holiday include?

Expedia has everything you need to plan your Northern Illinois trip, but how you structure your package is your call. Pick from any combination of flights, hire cars and hotels. Searching for some tours or activities to keep you on the move? Once you've made your booking, you can add them too. No matter your style or budget, there's a package to match your needs. Expedia offers many types of properties in Northern Illinois, giving you the freedom to tailor-make your escape. Private holiday homes and apartments are two of the most in-demand options for our guests here.

Does Expedia offer Book Now, Pay Later Northern Illinois holidays?

Yes, we do. Expedia has teamed up with online lender Klarna to help you easily pay for your holiday in manageable instalments. Simply click on the payment plan that works for you during the checkout process and take away the stress of budgeting for your next trip. Remember to bundle your accommodation, car hire and flights with Expedia to get the biggest bang for your travel buck. Browse our flexible payment options below:

  • Pay monthly holidays: If paying small amounts each month sounds best for you, Klarna can help. Paying in easy monthly instalments will make your holiday dreams possible.
  • No-deposit holidays: Clicking on the "book now" button is easier with this payment plan. With no upfront fee for your holiday, you can Book Now, Pay Later and start working on your travel itinerary.

Can I choose my airline with a Northern Illinois Expedia holiday?

Expedia has access to more than 400 airline partners worldwide, so you definitely can. Just pick your favourite carrier and craft your ideal Northern Illinois holiday.