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    Home»Travel»United: Washington D.C. – Liberia, Costa Rica. $324 (Basic Economy) / $454 (Regular Economy). Roundtrip, including all Taxes
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    United: Washington D.C. – Liberia, Costa Rica. $324 (Basic Economy) / $454 (Regular Economy). Roundtrip, including all Taxes

    Peter NovakBy Peter NovakSeptember 26, 2026No Comments0 Views
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    United: Washington D.C. – Liberia, Costa Rica. $324 (Basic Economy) / $454 (Regular Economy). Roundtrip, including all Taxes
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    A good sale to the Guanacaste province of Costa Rica.

    The $454 fare is the regular fare which allows for normal size carry-on and personal item in addition to advance seat assignment.

    United also has a $324 fare but that is a Basic Economy fare. United Basic Economy fares do not allow for any advance seat assignments. Rather, your seat assignment will be randomly assigned during check-in. In addition, normal size carry-on that does not fit under the seat is charged a $50 fee each way + applicable gate check fees (but free if you have an United co-branded credit card or if you have United elite status). In addition, it does not allow for mileage earning unless you have a United co-branded credit card or elite status

    Playa Samara, Costa Rica – Photo: Marissa Strniste

    Sample Travel Date:

    • This is just ONE SAMPLE travel date, for more availability, please follow the “Fare Availability” and “How to Search for Availability” instructions below

    Fare Availability:

    • Valid for travel from late October – early November or early December or late January 2027. Availability is limited. Must purchase at least 1 day in advance of departure
    • Please note that while this fare is valid at time of posting, if this post is more than two days old, the fare is likely gone.

    How to Search for Availability:

    • This is just to search for availability. To buy your tickets, scroll down to “How to Buy” section of this post
    • Use Matrix Airfare Search by ITA Software and use the following search criteria:
      • Origin: DCA
      • Origin Advanced Routing Code:
        • Routing Codes: ua ua
        • Extension Codes: maxconnect 300
          • This is instructing Matrix Airfare Search by ITA Software to search for the Basic Economy fare. Use those dates on United and you will be presented with the option to upgrade to the regular economy fare.
      • Destination:  LIR
      • Return Advanced Routing Code:
        • Routing Codes: ua ua
        • Extension Codes: maxconnect 300
      • (Click on Advanced Codes link to enable advanced routing code input)
      • Select “See calendar of lowest fares”
      • Duration “3-10” (This is just a sample, you can use any 7 day date range like 3-10, 7-14 etc)
    • Beginner’s Guide on How to Use Matrix by ITA Software
    • How to Read Airfare Rules and Use It to Your Advantage
    • The Matrix Airfare Search by ITA Software search page should be like below when all values are inputted

    • You cannot buy tickets using Matrix Airfare Search by ITA Software. To buy, follow our instructions in the “How to Buy” section below.

    Fare Class:

    • N (Basic Economy)
    • G (Regular Economy)

    Elite Qualifying Dollars:

    Routing:

    Stopover:

    • Not permitted
    • How to Take Advantage of a Stopover

    Mileage:

    • Miles Flown:5,370 miles or 6.0 cents per mile (Basic Economy) / 8.4 cents per mile (Regular Economy)
    • Redeemable Miles:924 miles

    How to Buy:

    • Book on United with dates found on Matrix Airfare Search by ITA Software.

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    • TripAdvisor – One of the leading hotel meta-search engines. Find the lowest hotel prices from 200+ sites.

    Car Rentals

    • Rental Cars – One of the world’s leading car rental agencies. Includes all the major brands like Hertz, Avis, Budget, Dollar, Enterprise etc.

    Activities and Tours

    • Viator – The world’s largest marketplace for destination activities and tours

    Background Information:

    • Visa: US Citizens – Not Required. Other nationals, check the TIMATIC Visa Database
    • Currency: Costa Rican Colon (CRC). $1USD = 443 CRC

    Tips for saving when using credit cards at international destinations:

    • No Foreign Transaction Fee Credit Cards to save on international purchases
    • Don’t get hit with Dynamic Currency Conversion
    • Get your taxes refunded when shopping
    • How to Avoid International Data Roaming Charges

    For more of the latest cheap Washington D.C. / Baltimore Flight Deals:

    * The Flight Deal will receive a commission if you use the  accommodation, car rental, activities, or travel insurance affiliate links to make a booking or apply and is approved for a credit card using our link above. Thank you for your continuing support.

    To make sure you receive our latest deals, LIKE our The Flight Deal Facebook Page, follow us on Twitter @TheFlightDeal, Threads @TheFlightDeal or The Flight Deal WhatsApp channel or subscribe to The Flight Deal RSS Feed or Subscribe

    The Flight Deal does not sell travel products or services. We provide you with information about third-party travel suppliers’ offers, and link you to their sites. The information posted by The Flight Deal is valid at the time of publication. However, we have no control over the suppliers, and we therefore do not warrant or guarantee that their offers will not change or become unavailable. Nor are we responsible for their products, services or site content. Please see their sites for their most up-to-date offer information and all applicable terms and conditions.

    Stay Informed on the Latest Deals

    Source: www.theflightdeal.com

    Costa Liberia United Washington Washington D.C.
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    Peter Novak
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    Ahead of US IPO, British AI neocloud Nscale secures $3.36B in convertible financing

    September 26, 2026

    United: Washington D.C. – Liberia, Costa Rica. $324 (Basic Economy) / $454 (Regular Economy). Roundtrip, including all Taxes

    September 26, 2026

    Iran awaiting response from Trump on proposal to open strait of Hormuz in six days

    September 26, 2026

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