Keflavik Intl

$134+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KEF
Jun 17 — Jun 241
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Cheap 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 June 12, 2025.

Round-trip from

$317
(Booking.com)

One-way from

$134
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$429

Good round-trip deal

$297 or less

Good one-way deal

$184 or less
From USA to Reykjavik Keflavik Intl
One-way flight from USA to Reykjavik Keflavik Intl
Highest demand for flights based on searches. 10% potential increase in price ($51 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from USA to Reykjavik Keflavik Intl.
Price to beat on a one-way flight from USA to Reykjavik Keflavik Intl.

Find flight deals from USA to Keflavik Intl

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 June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:15 pmSWF - KEF
Nonstop5h 35mPLAY
Wed 12/174:00 pmKEF - SWF
Nonstop6h 05mPLAY
Deal found 6/10$300
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/227:15 pmBOS - KEF
Nonstop5h 30mPLAY
Wed 8/273:45 pmKEF - BOS
Nonstop6h 05mPLAY
Deal found 6/9$331
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2012:35 pmBOS - KEF
Nonstop5h 10mIcelandair
Thu 10/99:55 amKEF - BOS
Nonstop5h 40mIcelandair
Deal found 6/10$345
This PLAY deal was found by Cheapflights users on 6/10. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 amBOS - KEF
1 stop18h 55mMultiple Airlines
Sat 9/203:05 pmKEF - BOS
1 stop12h 24mMultiple Airlines
Deal found 6/10$364
This Icelandair deal was found by Cheapflights users on 6/10. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:30 pmBWI - KEF
Nonstop5h 55mIcelandair
Wed 12/105:00 pmKEF - BWI
Nonstop6h 30mIcelandair
Deal found 6/10$368
This CheapOair deal was found by Cheapflights users on 6/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:50 pmBWI - KEF
Nonstop6h 05mPLAY
Sat 9/273:05 pmKEF - BWI
Nonstop6h 35mPLAY
Deal found 6/9$370
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:25 pmJFK - KEF
Nonstop5h 50mIcelandair
Thu 10/95:00 pmKEF - JFK
Nonstop6h 10mIcelandair
Deal found 6/10$371
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/225:10 pmJFK - KEF
1 stop13h 05mScandinavian Airlines
Sun 10/2611:30 amKEF - JFK
1 stop33h 15mScandinavian Airlines
Deal found 6/12$374
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 8/187:04 pmBOS - KEF
1 stop7h 56mUnited Airlines
Mon 8/259:50 amKEF - BOS
2 stops32h 23mUnited Airlines
Deal found 6/10$385
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/69:30 pmLGA - KEF
1 stop31h 00mUnited Airlines
Fri 8/229:30 amKEF - LGA
1 stop28h 00mUnited Airlines
Deal found 6/10$388
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/143:20 pmBOS - KEF
1 stop12h 50mAir Canada
Sun 8/249:50 amKEF - BOS
1 stop16h 48mAir Canada
Deal found 6/11$394
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 8/149:00 amJFK - KEF
1 stop19h 10mUnited Airlines
Thu 8/219:30 amKEF - JFK
1 stop16h 17mUnited Airlines
Deal found 6/9$395

Cheapflights Fare Finder

Customize your flight search to find flights from USA 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 June 12, 2025.
Use the filters below to find and compare flights from the United States to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

USA

Fly to

Keflavik Intl

Route

Depart

Return

Price

New WindsorReykjavik

SWF - KEF

SWFKEF

New Windsor Stewart

Mon 6/16

7:15 pm-4:50 am

Nonstop5h 35m

Reykjavik Keflavik Intl

Tue 6/17

4:00 pm-6:05 pm

Nonstop6h 05m

$317

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Fri 8/22

7:15 pm-4:45 am

Nonstop5h 30m

Reykjavik Keflavik Intl

Wed 8/27

3:45 pm-5:50 pm

Nonstop6h 05m

$331

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Sat 9/20

12:35 pm-9:45 pm

Nonstop5h 10m

Reykjavik Keflavik Intl

Thu 10/9

9:55 am-11:35 am

Nonstop5h 40m

$345

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Wed 9/10

6:00 am-4:55 am

1 stop18h 55m

Reykjavik Keflavik Intl

Sat 9/20

3:05 pm-11:29 pm

1 stop12h 24m

$364

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Wed 9/3

8:30 pm-6:25 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Tue 9/9

5:00 pm-7:25 pm

Nonstop6h 25m

$369

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Mon 9/22

8:25 pm-6:15 am

Nonstop5h 50m

Reykjavik Keflavik Intl

Thu 10/9

5:00 pm-7:10 pm

Nonstop6h 10m

$371

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Wed 10/22

5:10 pm-10:15 am

1 stop13h 05m

Reykjavik Keflavik Intl

Sun 10/26

11:30 am-4:45 pm

1 stop33h 15m

$374

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Sat 8/16

6:50 pm-4:55 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Fri 8/29

3:05 pm-5:40 pm

Nonstop6h 35m

$377

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Mon 8/18

7:04 pm-7:00 am

1 stop7h 56m

Reykjavik Keflavik Intl

Mon 8/25

9:50 am-2:13 pm

2 stops32h 23m

$385

New YorkReykjavik

LGA - KEF

LGAKEF

New York LaGuardia

Wed 8/6

9:30 pm-8:30 am

1 stop31h 00m

Reykjavik Keflavik Intl

Fri 8/22

9:30 am-9:30 am

1 stop28h 00m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 results
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The best insider tips for theUnited States to Reykjavik Keflavik Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Reykjavik Keflavik Intl Airport trip
Airlines
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.

Read more about PLAYby Victoria M. Walker
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.

Read more about Deltaby Harriet Baskas
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.

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.

Read more about Air Canadaby Jessica Macdonald
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.

Read more about KLMby Gabriel Leigh
Our travel experts
Bill Fink

Bill Fink

Expert on Icelandair

Bill Fink

Bill Fink

Bill is an award-winning travel writer with extensive credits covering airlines and the aviation industry for publications including AARP, AFAR, The Points Guy and Yahoo. Based in Portland, Oregon, Bill has traveled to more than 75 countries - and been late for his flight in most of them. He once achieved top-level frequent flier status for all of American, Delta and United Airlines during a single year.

Read more
Victoria M. Walker

Victoria M. Walker

Expert on PLAY

Victoria M. Walker

Victoria M. Walker

Victoria M. Walker is an award-winning travel reporter who writes the “Carrying On” newsletter. Victoria writes about airlines and hotels and fell in love with travel after her first flight in 2014. She was raised in Virginia and is based in Brooklyn, NY. She is interested in finding the best pizza and coffee in every city she visits.

Read more
Harriet Baskas

Harriet Baskas

Expert on Delta and United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on KLM

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Best time to book a flight from USA to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from USA 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 the United States to Reykjavik Keflavik Intl Airport

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

Currently, November is the cheapest month in which you can book a flight from USA to Reykjavik Keflavik Intl Airport (average of $328). Flying from USA to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $659). 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 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 June 12, 2025.

When flying from USA to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

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.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

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).

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 June 12, 2025.
Read through reviews of airlines operating flights from USA to Reykjavik, such as Emirates, Delta and Alaska Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.1

Entertainment

8.2

Food

7.8

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

Overall

8.1

Entertainment

8.2

Food

7.8

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
8.0
Very good

Overall

8.1

Entertainment

8.2

Food

7.8

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

Overall

8.1

Entertainment

8.2

Food

7.8

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

Overall

8.1

Entertainment

8.2

Food

7.8

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

Overall

8.1

Entertainment

8.2

Food

7.8

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

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.
  • 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 $134. However, be on the lookout for offers from WestJet and WorldTicket, as they are both options that can get you from USA to Reykjavik Keflavik Intl Airport for a low price.

  • 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?

    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.

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

    Currently, November is the cheapest month in which you can book a flight from USA to Reykjavik Keflavik Intl Airport (average of $328). Flying from USA to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $659). 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 the United States?

Book flights to the United States if you plan to visit one of these locations
Keflavik

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Alternative routes for USA to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from USA to Keflavik Intl

Discover the top 9 airlines that operate flights from USA 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$232Average$360FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$323Average$878FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$330Average$840FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$349Average$783FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$371Average$834FlexibilityNo cancel feeOn-time72%
KLMCheapest$371Average$869FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$379Average$817FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$400Average$664FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$481Average$926FlexibilityNo cancel feeOn-time69%

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