What is the cheapest airline that flies from Reykjavik Keflavik Intl to Missouri?

WestJet is the most popular carrier operating from Reykjavik Keflavik Intl to Missouri

When did momondo last update prices for flights from Reykjavik Keflavik Intl Airport to Missouri?

Prices for flights from Reykjavik Keflavik Intl Airport to Missouri are refreshed on a daily basis.

How old do you have to be to fly from Reykjavik Keflavik Intl Airport to Missouri?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Reykjavik Keflavik Intl Airport to Missouri.

What documentation or ID do you need to fly to Missouri?

The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$399 Cheap Flights from Reykjavik Keflavik Intl Airport to Missouri in 2026

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Find the cheapest flights from Reykjavik Keflavik Intl Airport to Missouri

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:00 pm - 11:57 pm

KEF

STL

16h 57m

2 stops

9:06 am - 8:50 am

STL

KEF

18h 44m

2 stops

$876United Airlines

Tue, May 19 - Tue, May 26

12:00 pm - 11:59 pm

KEF

MCI

16h 59m

2 stops

12:30 pm - 8:50 am

MCI

KEF

15h 20m

2 stops

$939United Airlines

Sun, May 17 - Sun, May 24

5:00 pm - 9:29 am

KEF

MCI

21h 29m

2 stops

7:03 pm - 7:40 am

MCI

KEF

31h 37m

3 stops

$1,522Multiple Airlines

Sun, May 17 - Sun, May 24

9:30 am - 3:22 pm

KEF

MCI

10h 52m

1 stop

5:40 pm - 7:40 am

MCI

KEF

9h 00m

1 stop

$1,829KLM

Fri, Sep 4 - Fri, Sep 4

12:00 pm - 5:34 pm

KEF

MCI

10h 34m

1 stop

7:55 pm - 8:30 am

MCI

KEF

31h 35m

2 stops

$1,948United Airlines

Fri, Sep 4 - Fri, Sep 4

9:15 am - 5:34 pm

KEF

MCI

13h 19m

2 stops

7:55 pm - 8:30 am

MCI

KEF

31h 35m

2 stops

$1,952United Airlines

Fri, Sep 4 - Fri, Sep 4

4:50 pm - 6:08 pm

KEF

MCI

30h 18m

3 stops

7:03 pm - 7:40 am

MCI

KEF

31h 37m

3 stops

$2,009Multiple Airlines

Sun, May 17 - Sun, May 24

United Airlines flights from Reykjavik Keflavik Intl Airport to Missouri

Our best United Airlines deals on Reykjavik Keflavik Intl Airport to Missouri flight tickets

United Airlines

May 19

KEF12:00 pmReykjavik Keflavik Intl

14h 13m

1 stop

STL9:13 pmLambert-St Louis

May 26

STL7:22 amLambert-St Louis

20h 28m

1 stop

KEF8:50 amReykjavik Keflavik Intl

$876

United Airlines

May 17

KEF12:00 pmReykjavik Keflavik Intl

16h 59m

2 stops

MCI11:59 pmKansas City

May 24

MCI12:30 pmKansas City

15h 20m

2 stops

KEF8:50 amReykjavik Keflavik Intl

$939

United Airlines

Sep 4

KEF12:00 pmReykjavik Keflavik Intl

10h 34m

1 stop

MCI5:34 pmKansas City

Sep 4

MCI7:55 pmKansas City

31h 35m

2 stops

KEF8:30 amReykjavik Keflavik Intl

$1,948

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Tue 5/19

12:00 pm-11:57 pm

2 stops16h 57m

Lambert-St Louis

Tue 5/26

9:06 am-8:50 am

2 stops18h 44m

$876

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sun 5/17

12:00 pm-11:59 pm

2 stops16h 59m

Kansas City

Sun 5/24

12:30 pm-8:50 am

2 stops15h 20m

$939

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sun 5/17

5:00 pm-9:29 am

2 stops21h 29m

Kansas City

Sun 5/24

7:03 pm-7:40 am

3 stops31h 37m

$1,522

Quickest round-trip

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Fri 9/4

9:30 am-3:22 pm

1 stop10h 52m

Kansas City

Fri 9/4

5:40 pm-7:40 am

1 stop9h 00m

$1,829

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Fri 9/4

12:00 pm-5:34 pm

1 stop10h 34m

Kansas City

Fri 9/4

7:55 pm-8:30 am

2 stops31h 35m

$1,948

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Fri 9/4

9:15 am-5:34 pm

2 stops13h 19m

Kansas City

Fri 9/4

7:55 pm-8:30 am

2 stops31h 35m

$1,952

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sun 5/17

4:50 pm-6:08 pm

3 stops30h 18m

Kansas City

Sun 5/24

7:03 pm-7:40 am

3 stops31h 37m

$2,009

Cheapest one-way

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Tue 5/19

9:00 am-6:06 pm

3 stops38h 06m

$399

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Mon 5/18

9:00 am-5:33 pm

2 stops37h 33m

$433

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Tue 5/19

9:00 am-6:06 pm

2 stops38h 06m

$442

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Reykjavik Keflavik Intl Airport to Missouri

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Reykjavik Keflavik Intl Airport to Missouri flights?

You could potentially save up to 57% on your flight if you consider stops on a Reykjavik Keflavik Intl Airport to Missouri flight.

Cheap Reykjavik Keflavik Intl Airport to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Reykjavik Keflavik Intl Airport to Missouri

Fastest flight time	10h 52m
Direct flights	None

The fastest flight from Reykjavik Keflavik Intl Airport to Missouri takes 10h 52m

There are no direct flights from Reykjavik Keflavik Intl Airport to Missouri. There are no popular flight routes from Reykjavik Keflavik Intl Airport to Missouri.

Search flight deals

Frequently asked questions about flying from Reykjavik Keflavik Intl Airport to Missouri

When did momondo last update prices for flights from Reykjavik Keflavik Intl Airport to Missouri?
Prices for flights from Reykjavik Keflavik Intl Airport to Missouri are refreshed on a daily basis.
How old do you have to be to fly from Reykjavik Keflavik Intl Airport to Missouri?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Reykjavik Keflavik Intl Airport to Missouri.
What documentation or ID do you need to fly to Missouri?
The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Reykjavik to Missouri?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Reykjavik to Missouri. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Reykjavik to Missouri with flexible booking policies on momondo?

All flight searches from Reykjavik to Missouri on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Reykjavik to Missouri?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Missouri from Reykjavik.

I’m not ready to book a flight from Reykjavik to Missouri right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Missouri from Reykjavik. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.