When to fly: If possible, try to avoid the peak season in the heart of summertime. Prices make a lea

Passport: Be sure it s up to date . Some countries won t let you in if your passport will expire up to six months after you return home. Find out your country s requirements and check passport dates carefully.
Destination info: Find out if any special alerts or warnings have been issued about the country you ll be visiting. They ll be posted on the U.S. State Department s website at Travel.State.Gov which also includes numerous handy travel tips.
* Note: Cheap and expensive are relative terms, plus airfare prices can and do change without notice. London in particular seems to vary between somewhat cheap/somewhat expensive. But say you have your heart set on one of the more costly destinations such as Rome will any other city do? We say, go for it. The following tips will help make it more affordable.
Shop one ticket at a time: If you re traveling with a group it can pay to shop one ticket at a time because airline reservation systems require all tickets on a single reservation be the same price even if there are a few cheaper seats. Example: You are shopping for a group of six if there are two seats for $800 and the rest are $1,000, you will be quoted the higher price for all six. It s a little more effort to shop one-by-one but it can be worth it.
When to fly: If possible, try to avoid the peak season in the heart of summertime. Prices make a leap beginning in mid-May car rental agencies lax then drop down during the last week of August. Also, flights during the middle of the week are generally $20 to $40 cheaper than weekends. Finally, many of the cheapest flights require a Saturday night stay, so book accordingly.
Break up your flight: If you live in smaller city, compare prices from your town then, compare car rental agencies lax prices from a big hub and include the price of a discount airline flight from your town to the hub you might see significant savings. However, leave yourself plenty of time (at least several hours) to make connections at the hub, in case of delays in getting car rental agencies lax there.
Fly to a cheaper city first: You may find it cheaper to fly to�a city that is not your ultimate destination, say Dublin, and then fly one of Europe s many discount carriers to your real destination, but a word of warning: some discount airlines have high baggage fees and plenty of restrictions regarding carry-on luggage.