The airline advised passengers to check with other airlines for available flights.
On Monday WOW said it was in talks to restructure its debt with its creditors after Icelandair ended brief negotiations over buying a stake in the no-frills airline. In a rare move, the airline gave no warning, leaving people to figure out for themselves how they will get home, and many more in a lurch with faraway travel plans but no flight - and card already swiped.
More than 1,000 passengers were reportedly affected by the airline shutdown.
Anyone needing a flight to Iceland from North America, or vice versa would pay just $100, according to Icelandair's website.
"The airline offered hotel accommodations until the next flight", Wow customer Suher Adi said, adding, "but that's not going happen".
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"We have also decided that Hopper will cover the full cost of rebooking for all of our stranded passengers in transit", said the company's CEO and co-founder Frederic Lalonde.
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Wow Air of Iceland is known for purple planes and cheap seats.
"Submit your claim as quickly as possible, within 20 to 60 days and with supporting documentation", she said.
For those traveling from Europe to North America or vice versa via Iceland's Keflavík International Airport it's $160.
Other passengers are criticizing WOW for the lack of communication about refunds, with one person complaining that they were supposed to get money back six weeks ago. If the airline declares bankruptcy, passengers can make a claim with the administrator or liquidator.
The Lufthansa Group, which includes Swiss, Lufthansa and Austrian airlines, is offering 25 percent off the ticket price if you depart by April 30 and complete your trip by June 30. After four hours of delays, the flight was canceled. Past year it flew a total of 3.5 million passengers.
"I will never forgive myself for not acting sooner", Mogensen said in a letter to employees Thursday.
"Wow had been in financial trouble, they had attempted to merge with Icelandair which failed", says Quest.
Nearly 10 low-priced airlines collapsed in 2018, including Belgium's VLM Airlines, Denmark's Primera Air and Cyprus' Cobalt Air. "WOW was clearly an incredible airline, and we were on the path to doing unbelievable things again".