Step 1: Click low cost airfares site to open up this website in another tab. You will need it open on two windows.
Step 2: Search your airfares on the engine on the homepage for any two dates. We reccomend a month's time span for international and 2 weeks for domestic.This will give you a good estimate of what it will cost in general. Please also try the "Deals" option. Cheapest deals and airfares tend to be on Tuesdays and Wednesdays. Also try cities in between.
Step 3: Now on the other tab, go to our low cost airfares flights area if you live in the USA and compare the price from step 1 with yours if you find the cities you need. Skip this step if you're not from the USA.
Step 4: Now go to the low cost airfares coupons area and select your type of flight. Read the coupon code and select the one best suitable for you. Now go to your coupon site and compare price after coupon. For OneTravel.com use coupon codes SUMMER12 (till 15-JUN-10), CANADA12 (for flights to canada, code used till 30-June-10), LASTMIN10 (31-DEC-10) and INTFLY15 for International Flights.
For CheapOair.com (the link is a special affiliate offer that may give upto 65% off for some flights) use TAKEOFF10 (23-SEP-14) for any flight, USFLY10 for domestic, CHEAPOAIR10 and TRAVEL10 for all flights.
LAST STEP: Compare all the prices.. The price in your hand is the lowest airfare.