Northwest is offering limited-time cash and miles awards for destinations in the U.S. 48, Canada, Europe or Asia. Tickets must be purchased at least 14 days prior to travel and no later than Oct. 12, 2008 for travel through Dec. 18, 2008.

Travelers flying within the U.S. 48 and Canada can redeem 10,000 miles and pay between $209 and $299 for a roundtrip coach ticket, depending on the itinerary. Redeem 20,000 miles and the price is reduced to between $109 and $209.

For travel to Europe, WorldPerks members can redeem 10,000 miles and pay between $559 and $799 for a roundtrip coach ticket, depending on your departure city and date of travel. Redeem 20,000 miles and the cost drops to between $459 and $699.

Roundtrip coach transpacific tickets are available for 10,000 miles and between $658 and $938 or 20,000 miles and between $548 and $828, depending on the itinerary.

Members can redeem miles and cash for up to four people per reservation and WorldPerks miles will not be earned for flights purchased with this offer. Blackout dates for travel in the U.S. and from the U.S. to Canada include Nov. 25, 26 and 30, 2008. You must have at least 10,000 miles in your WorldPerks account to take advantage of these awards.