What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

What is the most punctual flight time for the United States to Reykjavik flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

Which airline has the best punctuality record on the United States to Reykjavik flights?

Over the last year, CAA have had the lowest number of delays on this route, with just 7% of flights being delayed.

How often are flights from the United States to Reykjavik delayed?

About 18% of weekly flights between United States and Reykjavik have experienced delays in the past year, with the average delay time being 160 minutes.

How long is the flight from USA to Reykjavik Keflavik Intl Airport?

Icelandair, Delta, and Finnair can get you from USA to Reykjavik Keflavik Intl Airport in just under 5h 10m. Your travel time can differ by up to 49h 50m. The distance from USA to Reykjavik Keflavik Intl Airport is about 2406 mi. This flight may include one or multiple stops.

What are the cheapest airlines to fly from USA to Reykjavik Keflavik Intl Airport one-way?

The cheapest airline one-way is PLAY, with whom users have recently found tickets for as low as $104. However, be on the lookout for offers from WorldTicket and WestJet, as they are both options that can get you from USA to Reykjavik Keflavik Intl Airport for a low price.

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

Currently, December is the cheapest month in which you can book a flight from USA to Reykjavik Keflavik Intl Airport (average of $212). Flying from USA to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $362). 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 day to fly from USA to Reykjavik Keflavik Intl Airport?

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

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the most popular routes from USA to Reykjavik Keflavik Intl Airport?

Most travelers choose New York John F Kennedy Intl - Reykjavik Keflavik Intl, Newark - Reykjavik Keflavik Intl or Washington, D.C. Dulles Intl - Reykjavik Keflavik Intl when deciding on the best route from USA to Reykjavik Keflavik Intl Airport.

What are the most popular airlines that fly from USA to Reykjavik Keflavik Intl Airport?

Icelandair, Delta and United Airlines are the most popular airlines when flying from USA to Reykjavik Keflavik Intl Airport.

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

It’s typically best to fly out from USA to Reykjavik Keflavik Intl Airport in the afternoon. Doing so could potentially save you 7% on the flight price compared to flying at noon, which is usually more expensive.

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

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

How can I find direct flights from USA to Keflavik Intl?

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

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

Yes. Cheapflights offers flight deals from USA 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.

$257+ Flights from the United States to Reykjavik Keflavik Intl Airport

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$308 (Ovago)
One-way from	$257 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$693
Good round-trip deal	$363 or less
Good one-way deal	$277 or less

Icelandair

Icelandair's Saga Premium offers wide aisles, generous legroom, and Icelandic cuisine.

Icelandair's Stopover Program allows a 3-7 day Iceland stop at no extra charge.

PLAY

PLAY Basic Plus includes priority boarding and a carry-on for budget travelers.

PLAY offers a free stopover in Reykjavík for up to 10 days on transatlantic flights.

Delta

Delta's Comfort Plus offers extra legroom, early boarding, and upgraded snacks on international flights.

Delta One offers flat-bed seats with duvets and lumbar pillows on long-haul routes.

United Airlines

United's Polaris Business Class offers lie-flat seats, Saks Fifth Avenue bedding, and priority check-in.

United's Economy Plus offers extra legroom and priority boarding on international flights.

KLM

KLM's Economy Comfort offers 4 extra inches of legroom on long-haul flights.

KLM's premium economy offers extra width, legroom, and upgraded service in a mini-cabin.

Air Canada

Air Canada's Signature Class offers lie-flat seats and access to Signature Suite lounges.

Air Canada's Preferred Seats offer up to 4 extra inches of space in exit rows.

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$235	Average$364	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$299	Average$800	FlexibilityNo cancel fee	On-time76%
Virgin Atlantic	Cheapest$353	Average$834	FlexibilityNo cancel fee	On-time72%
Delta	Cheapest$360	Average$819	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$367	Average$767	FlexibilityNo cancel fee	On-time67%
KLM	Cheapest$371	Average$790	FlexibilityNo cancel fee	On-time75%
Air France	Cheapest$379	Average$826	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$392	Average$875	FlexibilityNo cancel fee	On-time69%
WestJet	Cheapest$526	Average$664	FlexibilityNo cancel fee	On-time60%

$257+ Cheap flights from the United States 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from USA to Keflavik Intl

Cheapest flights from USA to Keflavik IntlExplore the most affordable flight options available from USA to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

Explore the most affordable flight options available from USA to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

Find flight deals from USA to Keflavik Intl

Keep the following information in mind while searching for USA to Keflavik Intl flight deals. Data was last updated December 17, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

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Good one-way deal

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Use the filters below to find and compare flights from the United States to Reykjavik Keflavik Intl Airport that are best for you.

Best time to book a flight from USA to Keflavik Intl

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Everything you need to know about your flight from the United States to Reykjavik Keflavik Intl Airport

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

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

Find hourly flight availability from USA 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 December 17, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from USA to Keflavik Intl. Price data was last updated on December 16, 2024.

How often are flights from the United States to Reykjavik delayed?

What is the most punctual flight time for the United States to Reykjavik flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on the United States to Reykjavik flights?

The best insider tips for theUnited States to Reykjavik Keflavik Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Reykjavik Keflavik Intl Airport trip

Airlines

Icelandair

PLAY

Delta

United Airlines

KLM

Air Canada

Our travel experts

Reviews of airlines servicing Keflavik Intl

Related info for your journey

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

How long is the flight from USA to Reykjavik Keflavik Intl Airport?

What are the cheapest airlines to fly from USA to Reykjavik Keflavik Intl Airport one-way?

What are the most popular routes from USA to Reykjavik Keflavik Intl Airport?

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

How can I find direct flights from USA to Keflavik Intl?

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

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

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Cheapest flights from USA to Keflavik Intl
Explore the most affordable flight options available from USA to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.