HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$272+ Cheap flights from Aurora, CO to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KEF
Aug 9 — Aug 161
Sat 8/9
Sat 8/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Aurora to Keflavik Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Aurora to Keflavik Intl

Keep the following information in mind while searching for Aurora to Keflavik Intl flight deals. Data was last updated August 4, 2025.

Round-trip from

$479
(Kiwi.com)

One-way from

$236
(Trip.com)

Popular in

November

Cheapest in

February

Average price

$642
From Aurora to Reykjavik Keflavik Intl
Search Deals
One-way flight from Aurora to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Aurora to Keflavik Intl

Cheapest flights from Aurora to Keflavik Intl
Explore the most affordable flight options available from Aurora to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:30 pmDEN - KEF
1 stop30h 25mMultiple Airlines
Fri 9/263:05 pmKEF - DEN
1 stop23h 53mMultiple Airlines
Deal found 8/3$479
This Cheapflightsfares deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:40 pmDEN - KEF
Nonstop7h 20mIcelandair
Wed 10/84:50 pmKEF - DEN
Nonstop8h 05mIcelandair
Deal found 8/3$527
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3112:15 pmDEN - KEF
1 stop14h 00mWestJet
Thu 9/119:35 amKEF - DEN
1 stop31h 49mWestJet
Deal found 8/3$553
This Booking.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:40 pmDEN - KEF
1 stop32h 30mAir Canada
Fri 8/229:30 amKEF - DEN
1 stop14h 50mAir Canada
Deal found 8/3$558
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/138:55 pmDEN - KEF
1 stop29h 35mUnited Airlines
Fri 8/229:30 amKEF - DEN
1 stop30h 51mUnited Airlines
Deal found 8/4$565
This Ovago deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:25 pmDEN - KEF
1 stop34h 25mBritish Airways
Wed 11/1211:50 amKEF - DEN
1 stop34h 40mBritish Airways
Deal found 8/3$599
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/106:05 amDEN - KEF
1 stop18h 15mDelta
Tue 8/198:50 amKEF - DEN
2 stops20h 05mDelta
Deal found 8/3$605
This Lufthansa deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/54:20 pmDEN - KEF
1 stop15h 10mLufthansa
Sun 11/94:45 pmKEF - DEN
1 stop30h 15mLufthansa
Deal found 8/4$612

Cheapflights Fare Finder

 
Customize your flight search to find flights from Aurora to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2025.
Use the filters below to find and compare flights from Aurora to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Aurora

Fly to

Keflavik Intl

Route

Depart

Return

Price

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 9/16

4:30 pm-4:55 am

1 stop30h 25m

Reykjavik Keflavik Intl

Fri 9/26

3:05 pm-8:58 am

1 stop23h 53m

$479

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Fri 10/3

4:40 pm-6:00 am

Nonstop7h 20m

Reykjavik Keflavik Intl

Wed 10/8

4:50 pm-6:55 pm

Nonstop8h 05m

$527

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 8/31

12:15 pm-8:15 am

1 stop14h 00m

Reykjavik Keflavik Intl

Thu 9/11

9:35 am-11:24 am

1 stop31h 49m

$553

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 8/18

5:40 pm-8:10 am

1 stop32h 30m

Reykjavik Keflavik Intl

Fri 8/22

9:30 am-6:20 pm

1 stop14h 50m

$558

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 8/13

8:55 pm-8:30 am

1 stop29h 35m

Reykjavik Keflavik Intl

Fri 8/22

9:30 am-10:21 am

1 stop30h 51m

$565

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 8/10

6:05 am-6:20 am

1 stop18h 15m

Reykjavik Keflavik Intl

Tue 8/19

11:25 am-6:46 pm

1 stop13h 21m

$600

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 11/2

2:48 pm-10:55 am

2 stops37h 07m

Reykjavik Keflavik Intl

Wed 11/12

11:50 am-3:30 pm

1 stop34h 40m

$614

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 9/13

6:45 am-4:55 am

1 stop16h 10m

$272

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Fri 9/19

12:15 pm-8:15 am

1 stop14h 00m

$302

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 11/1

4:40 pm-6:05 am

Nonstop7h 25m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/2

Showing 1-10 of 14 results
1
2

Best time to book a flight from Aurora to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Aurora with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Aurora to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Aurora to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Aurora to Keflavik Intl. Price data was last updated on August 1, 2025.

The best time to book flights from Aurora to Reykjavik Keflavik Intl Airport is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Aurora to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Aurora to Reykjavik Keflavik Intl Airport (average of $328). Flying from Aurora to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $654). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from 9UR to KEF?

Find hourly flight availability from Aurora to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 4, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Aurora to Reykjavik Keflavik Intl Airport as you normally would.

What is the cheapest day to fly from Aurora to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Aurora to Keflavik Intl. Price data was last updated on October 13, 2024.

Travelers seeking maximum savings on their Aurora to Reykjavik Keflavik Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated August 4, 2025.
Read reviews from past customers who have flown Delta, SWISS, and United Airlines from Aurora to Reykjavik Keflavik Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,987 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,987 reviews
Delta
8.0
Very good
7,987 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.6
Good
1,687 reviews
Delta
8.0
Very good
7,987 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,912 reviews
Delta
8.0
Very good
7,987 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,994 reviews
Delta
8.0
Very good
7,987 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,879 reviews
Delta
8.0
Very good
7,987 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Aurora to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest flights from Aurora to Reykjavik Keflavik Intl Airport?

    On average you can expect to pay $1,115 for a flight from Aurora to Reykjavik Keflavik Intl Airport. The cheapest flight overall is $178 while the most popular route, (Denver Intl - Reykjavik Keflavik Intl) is currently priced at $439.

  • Can I find deals for flights from Aurora to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Aurora to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Aurora to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Aurora to Keflavik Intl.

  • Can I find deals for business class flights from Aurora to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Aurora to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Aurora to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Aurora to Reykjavik Keflavik Intl Airport (average of $328). Flying from Aurora to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $654). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Aurora to Keflavik Intl

Discover the top 2 airlines that operate flights from Aurora to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$505Average$637FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$523Average$922FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.