Go through your results for flights to Grand Junction in the USA with Netflights. The most popular airlines for this route are British Airways & Lufthansa, with British Airways claiming the top spot. Although British Airways usually has the best prices, it's best to double check what's available for your travel dates.
If these flights are too expensive, try searching for a different time of year. So if your dates are flexible, consider looking at different times of year.
Grand Junction receives 17 direct and indirect flights every week, but the cheapest airline is normally British Airways. So, if the flights to Grand Junction don't work for you, you could always try searching for flights to other airports in the USA.
You can also broaden your search by looking at more than one departure airport. Have a look around – you might be able to save by flying from a different airport or city.