Flight prices from Chicago O'Hare to Saint John

There’s no fixed price — fares between Chicago and Saint John can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Which airports serve Chicago and Saint John?

When planning a trip of about 1804 km, it's a good idea to check flights from surrounding airports too.

• Airports in Chicago: Chicago is connected to 3 airports - Midway, O'Hare, Rockford.
• Airports in Saint John: The only active airport in Saint John is Saint John.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Flight filters for the route Chicago O'Hare – Saint John

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to Canada are often searched alongside: Calgary, Montreal, Quebec, Toronto, Vancouver.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.