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Keflavik Intl

$1,236+ Cheap flights from Trenton, NJ (TTN) to Keflavik Intl (KEF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — KEF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Trenton to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Trenton (TTN) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$1,236
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$410
From Trenton-Mercer to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Trenton to Keflavik Intl

Cheapest flights from Trenton to Keflavik Intl
Explore the most affordable flight options available from Trenton to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Thu 11/136:00 amTTN - KEF
1 stop19h 15mMultiple Airlines
Mon 11/177:40 amKEF - TTN
2 stops21h 19mMultiple Airlines
Deal found 9/8$1,236

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trenton 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 September 11, 2025.
Use the filters below to find and compare flights from Trenton to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Trenton

Fly to

Keflavik Intl

Route

Depart

Return

Price

TrentonReykjavik

TTN - KEF

TTNKEF

Trenton-Mercer

Thu 11/13

6:00 am-6:15 am

1 stop19h 15m

Reykjavik Keflavik Intl

Mon 11/17

7:40 am-11:59 pm

2 stops21h 19m

$1,236

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Best time to book a flight from Trenton to Keflavik Intl

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

What is the cheapest month to book a flight from Trenton, New Jersey to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Trenton, New Jersey to Reykjavik Keflavik Intl Airport (average of $328). Flying from Trenton, New Jersey to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). 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.

Related info for your journey

Find useful and relevant information for your journey from Trenton 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 airport do you fly from for flights from Trenton to Reykjavik Keflavik Intl?

    Most people fly from Trenton-Mercer (TTN) if they book a flight from Trenton to Reykjavik Keflavik Intl. On average, Trenton-Mercer has 0 outbound flights to Reykjavik Keflavik Intl per day from 0 airlines. Trenton-Mercer is conveniently located just 4.8 mi from Trenton’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Trenton 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 Trenton, New Jersey to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Trenton, New Jersey to Reykjavik Keflavik Intl Airport (average of $328). Flying from Trenton, New Jersey to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). 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

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