$465 Cheap Flights from Colorado Springs (COS) to Reykjavik (KEF)

View $465 flight on Mon, Aug 3, 2026Opens in a new window

Popular airlines from Colorado Springs Airport (COS) to Reykjavik–Keflavik Intl. Airport (KEF)

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Cheap Flights from Colorado Springs to Reykjavik (COS-KEF)

Prices were available within the past 7 days and start at $465 for one-way flights and $606 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Aug 4 - Fri, Aug 21
COS
Colorado Springs
KEF
Reykjavik
$606 Roundtrip, found 1 day ago
$606
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 4 from Colorado Springs to Reykjavik, returning Fri, Aug 21, priced at $606 found 1 day ago
British Airways
Tue, Mar 10 - Wed, Mar 25
COS
Colorado Springs
KEF
Reykjavik
$647 Roundtrip, found 2 days ago
$647
Roundtrip
found 2 days ago
Select British Airways flight, departing Tue, Mar 10 from Colorado Springs to Reykjavik, returning Wed, Mar 25, priced at $647 found 2 days ago
British Airways
Mon, Jan 19 - Thu, Feb 5
COS
Colorado Springs
KEF
Reykjavik
$680 Roundtrip, found 3 days ago
$680
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Jan 19 from Colorado Springs to Reykjavik, returning Thu, Feb 5, priced at $680 found 3 days ago
British Airways
Sun, Nov 16 - Tue, Dec 2
COS
Colorado Springs
KEF
Reykjavik
$680 Roundtrip, found 7 hours ago
$680
Roundtrip
found 7 hours ago
Select British Airways flight, departing Sun, Nov 16 from Colorado Springs to Reykjavik, returning Tue, Dec 2, priced at $680 found 7 hours ago
British Airways
Sun, Mar 22 - Thu, Apr 9
COS
Colorado Springs
KEF
Reykjavik
$690 Roundtrip, found 2 days ago
$690
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, Mar 22 from Colorado Springs to Reykjavik, returning Thu, Apr 9, priced at $690 found 2 days ago
United
Tue, Aug 4 - Fri, Aug 21
COS
Colorado Springs
KEF
Reykjavik
$694 Roundtrip, found 1 day ago
$694
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 4 from Colorado Springs to Reykjavik, returning Fri, Aug 21, priced at $694 found 1 day ago
British Airways
Fri, Jan 23 - Tue, Feb 10
COS
Colorado Springs
KEF
Reykjavik
$705 Roundtrip, found 3 days ago
$705
Roundtrip
found 3 days ago
Select British Airways flight, departing Fri, Jan 23 from Colorado Springs to Reykjavik, returning Tue, Feb 10, priced at $705 found 3 days ago
Lufthansa
Wed, Dec 10 - Tue, Dec 23
COS
Colorado Springs
KEF
Reykjavik
$720 Roundtrip, found 7 hours ago
$720
Roundtrip
found 7 hours ago
Select Lufthansa flight, departing Wed, Dec 10 from Colorado Springs to Reykjavik, returning Tue, Dec 23, priced at $720 found 7 hours ago
Air Canada
Mon, Aug 3 - Fri, Aug 21
COS
Colorado Springs
KEF
Reykjavik
$802 Roundtrip, found 3 days ago
$802
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Aug 3 from Colorado Springs to Reykjavik, returning Fri, Aug 21, priced at $802 found 3 days ago
Delta
Mon, Mar 30 - Sun, Apr 19
COS
Colorado Springs
KEF
Reykjavik
$831 Roundtrip, found 2 days ago
$831
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Mar 30 from Colorado Springs to Reykjavik, returning Sun, Apr 19, priced at $831 found 2 days ago

Alternative airports near Reykjavik

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Keflavik Intl. KEF. Cheapest option available. Average driving time to city center is 45 minutes. Flights from $1,184
KEF
Keflavik Intl.
Cheapest
Average driving time to city center45 min
Flights from $1,184
Flights from Colorado Springs (COS) to Reykjavik (KEF)
Origin airport
Colorado Springs
Destination airport
Keflavik Intl.
Airlines serving
Air Canada, American Airlines, British Airways, Delta, Lufthansa, United, Virgin Atlantic
Roundtrip price
$606
Distance
3619 mi

Colorado Springs to Reykjavik Flights

The cheapest times to fly from Colorado Springs to Reykjavik

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Colorado Springs to Reykjavik are during the month of August. You can find some of the cheapest flights from Colorado Springs to Reykjavik with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Colorado Springs to Reykjavik

Sunday is one of the best days to book for cheap flights from Colorado Springs to Reykjavik: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Colorado Springs to Reykjavik

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Colorado Springs to Reykjavik in 2025. You can also book with separate airlines for your outbound and return journeys, from $465 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Colorado Springs to Reykjavik flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Colorado Springs to Reykjavik airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Colorado Springs Airport (COS) to Keflavik Intl. Airport (KEF) cost?
Get a cheap one-way flight from $465 or cheap return flight from $606 from Colorado Springs Airport (COS) to Keflavik Intl. Airport (KEF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Colorado Springs Airport (COS) to Keflavik Intl. Airport (KEF)?
August is the least expensive month to fly from COS to KEF. Avoiding peak travel times is often the key to finding better deals on flights.
How many flights per day from Colorado Springs Airport (COS) to Keflavik Intl. Airport (KEF)?
There aren't any daily direct flights from Colorado Springs Airport (COS) to Keflavik Intl. Airport (KEF). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from COS to KEF?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Colorado Springs Airport (COS) to Keflavik Intl. Airport (KEF)?
Book a flight from Colorado Springs Airport (COS) to Keflavik Intl. Airport (KEF) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Colorado Springs Airport (COS) to Keflavik Intl. Airport (KEF) last-minute?
Last-minute bookings from COS to KEF are typically more expensive. To lock in the best rates, start searching for flights ahead of time. That said, if you're flexible with your travel plans, it's possible to score a cheap ticket right before you leave.
Is it cheaper to book a COS to KEF flight and hotel package?
You can save money by securing a COS to KEF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After choosing your preferred accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Colorado Springs Airport (COS) to Keflavik Intl. Airport (KEF)?
Typically, you're able to cancel or reschedule your COS to KEF flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more details, head to our Customer Service portal.

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*Available to One Key members.