Iceland has a concentrated tourist season, peaking from mid-June through August. Many Icelanders think the summer tourists don't know what they're missing. Iceland offers plenty to do in spring, fall, even winter, and prices are dramatically lower for airfares, car rentals, and accommodations.
If you paper file, it will take three to four weeks for the IRS to process the return and acknowledge your refund. If you e-file, you will get a notice of arrival within 24 hours and confirmation of refund within 72 hours.
From their site: Generally, you'll get your refund in six to eight weeks from the date we receive your income tax return. You'll get it faster if you use e-file and have your refund deposited directly into your bank account. If we identify an issue with a tax return, our review may take longer than six to eight weeks. To check the status of your refund, see Income Tax Refund Status. Status We received your return and it's in the final stage of processing. While most returns are completed within 2 weeks, it may take up to 4 weeks.