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Cheap flights from Reykjavik Keflavik Intl Airport to Missouri from $428

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Reykjavik Keflavik Intl Airport to Missouri departing on 10/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Reykjavik Keflavik Intl Airport to Missouri

Cheap round-trip flights

American Airlines Logo
6:10 pm - 9:44 pmKEF-STL
33h 34m2 stops
American Airlines Logo
6:32 pm - 10:55 amSTL-KEF
58h 23m2 stops
$964American Airlines
Find Deal
Fri, Feb 13 - Tue, Feb 17
American Airlines Logo
6:10 pm - 9:44 pmKEF-STL
33h 34m2 stops
American Airlines Logo
6:32 pm - 10:55 amSTL-KEF
58h 23m2 stops
$966American Airlines
Find Deal
Fri, Feb 13 - Tue, Feb 17
American Airlines Logo
6:10 pm - 9:44 pmKEF-STL
33h 34m2 stops
American Airlines Logo
6:32 pm - 10:55 amSTL-KEF
58h 23m2 stops
$969American Airlines
Find Deal
Fri, Feb 13 - Tue, Feb 17
Multiple Airlines Logo
3:05 pm - 3:14 pmKEF-MCI
29h 09m2 stops
Multiple Airlines Logo
8:28 pm - 6:05 amMCI-KEF
28h 37m1 stop
$991Multiple Airlines
Find Deal
Fri, Oct 24 - Fri, Oct 31
Scandinavian Airlines Logo
7:50 am - 9:08 pmKEF-MCI
19h 18m2 stops
Scandinavian Airlines Logo
2:50 pm - 10:45 amMCI-KEF
37h 55m2 stops
$1,033Scandinavian Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15
Multiple Airlines Logo
4:55 pm - 7:33 pmKEF-MCI
32h 38m1 stop
Multiple Airlines Logo
11:12 am - 6:05 amMCI-KEF
36h 53m2 stops
$1,041Multiple Airlines
Find Deal
Sun, Nov 9 - Sun, Nov 16
Lufthansa Logo
12:30 am - 9:10 pmKEF-MCI
50h 40m2 stops
Lufthansa Logo
6:35 pm - 2:20 pmMCI-KEF
37h 45m2 stops
$1,050Lufthansa
Find Deal
Sat, Nov 8 - Sun, Nov 16
Multiple Airlines Logo
5:15 pm - 9:04 amKEF-MCI
21h 49m1 stop
Multiple Airlines Logo
10:09 am - 6:15 amMCI-KEF
14h 06m1 stop
$1,059Multiple Airlines
Find Deal
Sun, Nov 9 - Sun, Nov 16
Lufthansa Logo
1:15 am - 9:45 pmKEF-MCI
25h 30m2 stops
Lufthansa Logo
5:30 pm - 11:35 pmMCI-KEF
25h 05m2 stops
$1,210Lufthansa
Find Deal
Thu, Oct 23 - Fri, Oct 31
British Airways Logo
10:30 am - 9:11 pmKEF-MCI
39h 41m2 stops
British Airways Logo
7:00 am - 10:40 amMCI-KEF
46h 40m2 stops
$1,212British Airways
Find Deal
Fri, Oct 24 - Fri, Oct 31

American Airlines flights from Reykjavik Keflavik Intl Airport to Missouri

Our best American Airlines deals on Reykjavik Keflavik Intl Airport to Missouri flight tickets
American Airlines
Feb 13
KEF6:10 pmReykjavik Keflavik Intl
33h 34m
2 stops
STL9:44 pmLambert-St Louis
Feb 17
STL6:32 pmLambert-St Louis
58h 23m
2 stops
KEF10:55 amReykjavik Keflavik Intl
$964
Find similar
American Airlines
Feb 13
KEF6:10 pmReykjavik Keflavik Intl
33h 34m
2 stops
STL9:44 pmLambert-St Louis
Feb 17
STL6:32 pmLambert-St Louis
58h 23m
2 stops
KEF10:55 amReykjavik Keflavik Intl
$966
Find similar
American Airlines
Feb 13
KEF6:10 pmReykjavik Keflavik Intl
33h 34m
2 stops
STL9:44 pmLambert-St Louis
Feb 17
STL6:32 pmLambert-St Louis
58h 23m
2 stops
KEF10:55 amReykjavik Keflavik Intl
$969
Find similar

Lufthansa flights from Reykjavik Keflavik Intl Airport to Missouri

Our best Lufthansa deals on Reykjavik Keflavik Intl Airport to Missouri flight tickets
Lufthansa
Nov 8
KEF12:30 amReykjavik Keflavik Intl
50h 40m
2 stops
MCI9:10 pmKansas City
Nov 16
MCI6:35 pmKansas City
37h 45m
2 stops
KEF2:20 pmReykjavik Keflavik Intl
$1,050
Find similar
Lufthansa
Oct 23
KEF1:15 amReykjavik Keflavik Intl
25h 30m
2 stops
MCI9:45 pmKansas City
Oct 31
MCI5:30 pmKansas City
25h 05m
2 stops
KEF11:35 pmReykjavik Keflavik Intl
$1,210
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Reykjavik Keflavik Intl Airport to Missouri 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, momondo users made 832,500 searches. Data last updated September 25, 2025.
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

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Fri 2/13

6:10 pm-9:44 pm

2 stops33h 34m

Lambert-St Louis

Tue 2/17

6:32 pm-10:55 am

2 stops58h 23m

$964

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Fri 2/13

6:10 pm-9:44 pm

2 stops33h 34m

Lambert-St Louis

Tue 2/17

6:32 pm-10:55 am

2 stops58h 23m

$966

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Fri 2/13

6:10 pm-9:44 pm

2 stops33h 34m

Lambert-St Louis

Tue 2/17

6:32 pm-10:55 am

2 stops58h 23m

$969

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Fri 10/24

3:05 pm-3:14 pm

2 stops29h 09m

Kansas City

Fri 10/31

8:28 pm-6:05 am

1 stop28h 37m

$991

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sat 11/8

7:50 am-9:08 pm

2 stops19h 18m

Kansas City

Sat 11/15

2:50 pm-10:45 am

2 stops37h 55m

$1,033

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sun 11/9

4:55 pm-7:33 pm

1 stop32h 38m

Kansas City

Sun 11/16

11:12 am-6:05 am

2 stops36h 53m

$1,041

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sat 11/8

12:30 am-9:10 pm

2 stops50h 40m

Kansas City

Sun 11/16

6:35 pm-2:20 pm

2 stops37h 45m

$1,050

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Sun 11/9

5:15 pm-9:04 am

1 stop21h 49m

Kansas City

Sun 11/16

10:09 am-6:15 am

1 stop14h 06m

$1,059

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Thu 10/23

1:15 am-9:45 pm

2 stops25h 30m

Kansas City

Fri 10/31

5:30 pm-11:35 pm

2 stops25h 05m

$1,210

ReykjavikKansas City

KEF - MCI

KEFMCI

Reykjavik Keflavik Intl

Fri 10/24

10:30 am-9:11 pm

2 stops39h 41m

Kansas City

Fri 10/31

7:00 am-10:40 am

2 stops46h 40m

$1,212

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Missouri from

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

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

Direct flights

None
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.
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  • 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.

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