$436 Cheap Flights from Mexico City (MEX) to Reykjavik (KEF)

View $436 flight on Mon, Jun 23, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Mexico City to Reykjavik (MEX-KEF)

Prices were available within the past 7 days and start at $436 for one-way flights and $773 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Thu, Jul 3 - Wed, Jul 16
MEX
Mexico City
KEF
Reykjavik
$773 Roundtrip, found 5 days ago
$773
Roundtrip
found 5 days ago
Select WestJet flight, departing Thu, Jul 3 from Mexico City to Reykjavik, returning Wed, Jul 16, priced at $773 found 5 days ago
WestJet
Tue, Aug 5 - Wed, Aug 20
MEX
Mexico City
KEF
Reykjavik
$774 Roundtrip, found 3 days ago
$774
Roundtrip
found 3 days ago
Select WestJet flight, departing Tue, Aug 5 from Mexico City to Reykjavik, returning Wed, Aug 20, priced at $774 found 3 days ago
WestJet
Fri, May 30 - Thu, Jun 19
MEX
Mexico City
KEF
Reykjavik
$787 Roundtrip, found 5 days ago
$787
Roundtrip
found 5 days ago
Select WestJet flight, departing Fri, May 30 from Mexico City to Reykjavik, returning Thu, Jun 19, priced at $787 found 5 days ago
WestJet
Mon, Jun 30 - Wed, Jul 16
MEX
Mexico City
KEF
Reykjavik
$792 Roundtrip, found 5 days ago
$792
Roundtrip
found 5 days ago
Select WestJet flight, departing Mon, Jun 30 from Mexico City to Reykjavik, returning Wed, Jul 16, priced at $792 found 5 days ago
WestJet
Mon, Aug 4 - Wed, Aug 20
MEX
Mexico City
KEF
Reykjavik
$792 Roundtrip, found 3 days ago
$792
Roundtrip
found 3 days ago
Select WestJet flight, departing Mon, Aug 4 from Mexico City to Reykjavik, returning Wed, Aug 20, priced at $792 found 3 days ago
WestJet
Mon, Sep 15 - Thu, Oct 2
MEX
Mexico City
KEF
Reykjavik
$797 Roundtrip, found 3 days ago
$797
Roundtrip
found 3 days ago
Select WestJet flight, departing Mon, Sep 15 from Mexico City to Reykjavik, returning Thu, Oct 2, priced at $797 found 3 days ago
KLM
Sat, Jun 7 - Sun, Jun 8
MEX
Mexico City
KEF
Reykjavik
$983 Roundtrip, found 4 hours ago
$983
Roundtrip
found 4 hours ago
Select KLM flight, departing Sat, Jun 7 from Mexico City to Reykjavik, returning Sun, Jun 8, priced at $983 found 4 hours ago
Air Canada
Thu, Sep 11 - Thu, Oct 2
MEX
Mexico City
KEF
Reykjavik
$1,132 Roundtrip, found 3 days ago
$1,132
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Sep 11 from Mexico City to Reykjavik, returning Thu, Oct 2, priced at $1,132 found 3 days ago
British Airways
Wed, Nov 26 - Thu, Dec 11
MEX
Mexico City
KEF
Reykjavik
$1,147 Roundtrip, found 22 hours ago
$1,147
Roundtrip
found 22 hours ago
Select British Airways flight, departing Wed, Nov 26 from Mexico City to Reykjavik, returning Thu, Dec 11, priced at $1,147 found 22 hours ago
Delta
Sun, Sep 14 - Wed, Oct 1
MEX
Mexico City
KEF
Reykjavik
$1,181 Roundtrip, found 3 days ago
$1,181
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Sep 14 from Mexico City to Reykjavik, returning Wed, Oct 1, priced at $1,181 found 3 days ago
Flights from Mexico City (MEX) to Reykjavik (KEF)
Origin airport
Mexico City Intl.
Destination airport
Keflavik Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, KLM, Lufthansa, United, Virgin Atlantic, WestJet
Roundtrip price
$772
Distance
4607 mi

Mexico City to Reykjavik Flights

The cheapest times to fly from Mexico City 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 Mexico City to Reykjavik are during the month of July. You can find some of the cheapest flights from Mexico City to Reykjavik with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Mexico City to Reykjavik

Sunday is one of the best days to book for cheap flights from Mexico City 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 Mexico City 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 Mexico City to Reykjavik in 2025. You can also book with separate airlines for your outbound and return journeys, from $436 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 Mexico City 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 Mexico City 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 Mexico City Intl. Airport (MEX) to Keflavik Intl. Airport (KEF) cost?
Discover the latest flight deals from MEX to KEF by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from MEX to KEF?
The cheapest flights from MEX to KEF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MEX to KEF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from MEX to KEF. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Mexico City Intl. Airport (MEX) to Keflavik Intl. Airport (KEF)?
Direct flights from Mexico City Intl. Airport (MEX) to Keflavik Intl. Airport (KEF) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with Expedia’s filter tool. Enter your dates and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from MEX to KEF?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mexico City Intl. Airport (MEX) to Keflavik Intl. Airport (KEF)?
To touch down at Keflavik Intl. Airport (KEF) on time, book a flight that leaves Mexico City Intl. Airport (MEX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Mexico City Intl. Airport (MEX) to Keflavik Intl. Airport (KEF) last-minute?
Last-minute fares from MEX to KEF are usually more expensive. To lock in the lowest rates, start looking for flights ahead of time. That being said, if you can play around with your travel dates, it’s possible to find a cheap fare right before your journey.
Is it cheaper to book a MEX to KEF flight and hotel package?
Opting for a MEX to KEF flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our impressive range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Mexico City Intl. Airport (MEX) to Keflavik Intl. Airport (KEF)?
In most instances, you can modify or cancel your MEX to KEF flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline’s rules and fees on flight changes, or if you’d like further information, visit our Customer Service portal.

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*Available to One Key members.