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There are some great deals on international flights.
Washington, D.C. to Bogota, Colombia on Copa Airlines on 11/24-12/1/17 $332.56
With a layover in Panama City, Florida
New York City to London on Icelandair on 12/5-12/13 $441.25
With layovers in Keykjavik and Copenhagen
Newark to London on WOW air on 12/5-12/12/17 $464.98
With a layover in Reykjavik
Los Angeles to Singapore on China Southern on 11/27-12/5/17 $380.56
With a layover in Guangzhow