-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 NiI74kALNrKQM9E1ow7JZ5P6/S96n6vvi/zgV4x+oHUV67EexhDtqHp595xsA2CV
 UZ11FbgSi0IFmeCLLdW/Vw==

<SEC-DOCUMENT>0001185849-03-000013.txt : 20031126
<SEC-HEADER>0001185849-03-000013.hdr.sgml : 20031126
<ACCEPTANCE-DATETIME>20031126125358
ACCESSION NUMBER:		0001185849-03-000013
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031014
FILED AS OF DATE:		20031126

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ARETAKIS GREGORY D
		CENTRAL INDEX KEY:			0001270927

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12805
		FILM NUMBER:		031025570

	BUSINESS ADDRESS:	
		STREET 1:		7001 TOWER RD
		CITY:			DENVER
		STATE:			CO
		ZIP:			80249
		BUSINESS PHONE:		7203744268

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FRONTIER AIRLINES INC /CO/
		CENTRAL INDEX KEY:			0000921929
		STANDARD INDUSTRIAL CLASSIFICATION:	AIR TRANSPORTATION, SCHEDULED [4512]
		IRS NUMBER:				841256945
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		7001 TOWER ROAD
		CITY:			DENVER
		STATE:			CO
		ZIP:			80249
		BUSINESS PHONE:		7203744200

	MAIL ADDRESS:	
		STREET 1:		7001 TOWER ROAD
		CITY:			DENVER
		STATE:			CO
		ZIP:			80249
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2003-10-14</periodOfReport>


    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000921929</issuerCik>
        <issuerName>FRONTIER AIRLINES INC /CO/</issuerName>
        <issuerTradingSymbol>frnt</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001270927</rptOwnerCik>
            <rptOwnerName>ARETAKIS GREGORY D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7001 TOWER ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DENVER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80249-7312</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>

        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>150</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>

    </nonDerivativeTable>

    <derivativeTable>

        <derivativeHolding>
            <securityTitle>
                <value>Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.93</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2004-01-24</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-01-23</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>20000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>

    </derivativeTable>

    <footnotes>
        <footnote id="F1">20% of the options granted become exercisable on the date shown, with an additional 20% of the options granted becoming exercisable on each of the subsequent four anniversaries of the grant date of 1/24/2003.</footnote>
    </footnotes>


    <ownerSignature>
        <signatureName>David Sislowski, Attorney in Fact</signatureName>
        <signatureDate>2003-11-26</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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