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$379+ Cheap flights from Missouri to Reykjavik (REK)

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — REK
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Missouri to Reykjavik

Cheapest flights from Missouri to Reykjavik
Explore the most affordable flight options available from Missouri to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Mytrip deal was found by Cheapflights users on 12/16. 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.
Sat 12/276:15 pmMCI - KEF
2 stops29h 50mMultiple Airlines
Mon 12/294:50 pmKEF - MCI
2 stops30h 20mMultiple Airlines
Deal found 12/16$1,341
This Icelandair deal was found by Cheapflights users on 12/16. 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 12/231:00 pmSTL - KEF
1 stop11h 30mMultiple Airlines
Fri 1/24:45 pmKEF - STL
1 stop9h 55mMultiple Airlines
Deal found 12/16$2,416
This Icelandair deal was found by Cheapflights users on 12/15. 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.
Fri 12/196:45 amSTL - KEF
1 stop17h 30mMultiple Airlines
Fri 1/24:45 pmKEF - STL
1 stop9h 55mMultiple Airlines
Deal found 12/15$3,061

Find flight deals from Missouri to Reykjavik

Keep the following information in mind while searching for Missouri to Reykjavik flight deals. Data was last updated December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$598
(American Airlines)

One-way from

$379
(Kiwi.com)

Popular in

March

Cheapest in

January
Provider with most accurate pricing for Lambert-St Louis-Reykjavik (REK) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Reykjavik (REK) flights.
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From Missouri to Reykjavik (REK)
Search Deals
One-way flight from Missouri to Reykjavik (REK)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Reykjavik 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 December 18, 2025.
Use the filters below to find and compare flights from Missouri to Reykjavik that are best for you.

Fly from

Missouri

Fly to

Reykjavik

Route

Depart

Return

Price

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Wed 4/29

6:29 pm-7:50 am

2 stops32h 21m

Reykjavik Keflavik Intl

Mon 5/4

8:35 am-11:24 pm

2 stops19h 49m

$598

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 4/2

6:33 pm-4:25 pm

2 stops16h 52m

Reykjavik Keflavik Intl

Sun 4/5

5:10 pm-11:52 pm

2 stops35h 42m

$605

SpringfieldReykjavik

SGF - KEF

SGFKEF

Springfield-Branson

Sat 4/25

11:21 am-11:30 pm

2 stops31h 09m

Reykjavik Keflavik Intl

Sun 5/3

12:25 am-6:29 pm

2 stops47h 04m

$720

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Mon 1/12

11:29 am-2:20 pm

2 stops20h 51m

Reykjavik Keflavik Intl

Tue 1/20

3:20 pm-7:56 pm

2 stops34h 36m

$742

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Fri 5/15

12:10 pm-7:00 am

1 stop13h 50m

Reykjavik Keflavik Intl

Fri 5/22

11:25 am-4:40 pm

1 stop10h 15m

$811

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Tue 6/2

10:00 am-8:30 am

1 stop17h 30m

Reykjavik Keflavik Intl

Wed 6/17

9:15 am-4:03 pm

2 stops35h 48m

$839

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Wed 2/11

11:29 am-2:15 pm

2 stops20h 46m

Reykjavik Keflavik Intl

Tue 2/17

3:20 pm-5:33 pm

2 stops32h 13m

$848

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Wed 3/11

8:25 am-6:35 am

1 stop17h 10m

Reykjavik Keflavik Intl

Thu 3/19

5:00 pm-10:50 am

1 stop22h 50m

$850

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Wed 6/10

6:37 pm-8:30 am

1 stop8h 53m

Reykjavik Keflavik Intl

Thu 6/18

11:30 am-8:51 am

2 stops26h 21m

$863

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Mon 4/13

4:00 pm-6:25 am

1 stop9h 25m

Reykjavik Keflavik Intl

Sat 4/18

4:45 pm-9:30 am

1 stop21h 45m

$869

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 30 results
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Best time to book a flight from Missouri to Reykjavik

Have a flexible travel schedule? Discover the best time to fly to Reykjavik from Missouri 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 Missouri to Reykjavik

What is the cheapest month to book a flight from Missouri to Reykjavik?

Currently, April is the cheapest month in which you can book a flight from Missouri to Reykjavik (average of $370). Flying from Missouri to Reykjavik in December is currently the most expensive (average of $1,356). 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 MO to REK?

Find hourly flight availability from Missouri to Reykjavik. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Missouri to Reykjavik at noon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Reykjavik. 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 Missouri to Reykjavik?

    Airlines like Lufthansa, KLM, and United Airlines fly from Missouri to Reykjavik in about 13h 50m. The time it takes to get you to your destination can typically vary by up to 17h 19m. Missouri and Reykjavik are separated by a distance of 3191 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Missouri to Reykjavik?

    The most popular flight routes from Missouri to Reykjavik are Kansas City - Reykjavik Keflavik Intl, Lambert-St Louis - Reykjavik Keflavik Intl and Springfield-Branson - Reykjavik Keflavik Intl.

  • Can I find deals for flights from Missouri to Reykjavik that include hotel bookings?

    Yes. In addition to deals on Missouri to Reykjavik flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Reykjavik?

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

  • Can I find deals for business class flights from Missouri to Reykjavik?

    Yes. Cheapflights offers flight deals from Missouri to Reykjavik 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 Missouri to Reykjavik?

    Currently, April is the cheapest month in which you can book a flight from Missouri to Reykjavik (average of $370). Flying from Missouri to Reykjavik in December is currently the most expensive (average of $1,356). 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

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Alternative routes for Missouri to Reykjavik

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Missouri to Reykjavik

Discover the top 5 airlines that operate flights from Missouri to Reykjavik. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$370Average$991FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$566Average$763FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$595Average$918FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$615Average$769FlexibilityNo cancel feeOn-time70%
DeltaCheapest$636Average$1,055FlexibilityNo cancel feeOn-timeN/A

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