Find a good deal on your flight from Belfast to Missoula with Netflights. If you want to keep your options open, take a look at flights from another airport in Belfast.
Both flight prices and accommodation rates fluctuate throughout the year, but searching by month will reveal the cheapest times to fly.
Another way to get a cheap flight is to book last minute – but this does mean you may not be able to get the exact flights you want.
You can also compare the prices of hotels and hire cars for your stay in the USA. Simply use the tabs above, or add them to your booking once you’ve chosen your flight.