Cheap flights from New Hampshire to London from $224

In general, March is the cheapest month to fly from New Hampshire to London Gatwick Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $489. If you are unable to visit London Gatwick Airport during the month of March, then departing from New Hampshire during the month February is also very affordable. Most momondo users find prices during this month for around $517.

The cheapest day to depart from New Hampshire to London Gatwick Airport is on a Thursday when prices can be found for as low as $490. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Monday is $607.

Flying to London Gatwick Airport from New Hampshire in the evening is the least expensive time of day to depart. momondo users have found prices as low as $543 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $990 per ticket.

You are more likely to see cheaper flights to London Gatwick Airport from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to London Gatwick Airport for around $605 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Gatwick Airport from New Hampshire for as low as $493 on momondo.