--- title: "$226 Cheap Flights to Casais - Expedia" description: "Looking for cheap flights to Casais? Many airlines offer no change fee on selected flights and book now to earn your airline miles on top of our rewards! Find great 2026 Casais flight deals now!" canonical: "https://www.expedia.com/Cheap-Flights-To-Casais.d553248635975867812.Travel-Guide-Flights" language: en-US market: US currency: USD prices_as_of: 2026-11-13T01:34:08Z --- # $226 Cheap Flights to Casais [View $226 flight on Sat, Nov 28, 2026](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:LIS,departure:11/28/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:225.50&airProductToken=AQo2CjQI1KABEgMyMTYYwZMBIIuSASietZ4DMKm4ngM4T0AAWAFqB0RJU0NJTlRyCE9GMERTSTA4EgoIARABGAEqAlRQGAEiBAgBEAEoAigDKAQwDQ) ## Popular airlines [TAP Portugal](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casais,%20Tomar,%20Santarém%20District,%20Portugal,departure:11/27/2026TANYT&leg2=from:Casais,%20Tomar,%20Santarém%20District,%20Portugal,to:CMH,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TP"}}]) [Lufthansa](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casais,%20Tomar,%20Santarém%20District,%20Portugal,departure:11/27/2026TANYT&leg2=from:Casais,%20Tomar,%20Santarém%20District,%20Portugal,to:CMH,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) [British Airways](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casais,%20Tomar,%20Santarém%20District,%20Portugal,departure:11/27/2026TANYT&leg2=from:Casais,%20Tomar,%20Santarém%20District,%20Portugal,to:CMH,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) [Iberia](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casais,%20Tomar,%20Santarém%20District,%20Portugal,departure:11/27/2026TANYT&leg2=from:Casais,%20Tomar,%20Santarém%20District,%20Portugal,to:CMH,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) [Swiss International Air Lines](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casais,%20Tomar,%20Santarém%20District,%20Portugal,departure:11/27/2026TANYT&leg2=from:Casais,%20Tomar,%20Santarém%20District,%20Portugal,to:CMH,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) [Air France](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casais,%20Tomar,%20Santarém%20District,%20Portugal,departure:11/27/2026TANYT&leg2=from:Casais,%20Tomar,%20Santarém%20District,%20Portugal,to:CMH,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AF"}}]) [KLM](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casais,%20Tomar,%20Santarém%20District,%20Portugal,departure:11/27/2026TANYT&leg2=from:Casais,%20Tomar,%20Santarém%20District,%20Portugal,to:CMH,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}]) ## How much is the cheapest flight to Casais? Prices were available within the past 7 days and start at $226 for one-way flights and $504 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select United flight, departing Tue, Feb 23 from Columbus to Lisbon, returning Tue, Mar 2, priced at $736 Found 12 hours ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:LIS,departure:2/23/2027TANYT&leg2=from:LIS,to:CMH,departure:3/2/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:735.29&airProductToken=AQpgCi4I1YIBEgQzNjYyGII7IIgYKMKCpgMwl4OmAzhMQABYAWoCQkVyCExMSTkwVEJRCi4I1YIBEgM5NDIYiBggi5IBKJKIpgMwrIumAzhMQAFYAWoCQkVyCExMSTkwVEJRCq4BCjUIzJABEgQxMTczGIuSASClBCiszKYDMODNpgM4TEAAWAFqCEVDT0xJR0hUcghMTEk5MFRCUQozCMyQARIDNDMwGKUEIK4cKM7OpgMw%5FtKmAzhMQAFYAWoIRUNPTElHSFRyCExMSTkwVEJRCkAIzJABEgQ4NzE2GK4cIII7KM7TpgMwsNSmAzhMQAFYAWoIRUNPTElHSFRyCExMSTkwVEJRegoI1YIBEgQ1NjU2EgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) Tue, Feb 23 - Tue, Mar 2 · CMH · LIS · Roundtrip [Select Air Canada flight, departing Mon, Apr 12 from Columbus to Lisbon, returning Tue, Apr 20, priced at $738 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:LIS,departure:4/12/2027TANYT&leg2=from:LIS,to:CMH,departure:4/20/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:737.09&airProductToken=AQpoCjIIwYYBEgQ4NzUyGII7IJjOASjKnaoDMJyeqgM4TEAAWAFqBUJBU0lDcghMTEk5MFRCUQoyCMGGARIDODEwGJjOASCLkgEo%5FqOqAzCdp6oDOExAAVgBagVCQVNJQ3IITExJOTBUQlEKswEKPgjBhgESBDkwODMYi5IBIKUEKKH0qgMw2vWqAzhMQABYAWoFQkFTSUNyCExMSTkwVEJRegoIzJABEgQxMTczCj0IwYYBEgQ5MTA1GKUEIJjOASjw9qoDMOT6qgM4TEABWAFqBUJBU0lDcghMTEk5MFRCUXoJCMyQARIDNDcwCjIIwYYBEgQ4NzU1GJjOASCCOyix%5FKoDMIj9qgM4TEABWAFqBUJBU0lDcghMTEk5MFRCURIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMA0) Mon, Apr 12 - Tue, Apr 20 · CMH · LIS · Roundtrip [Select American Airlines flight, departing Wed, Mar 3 from Columbus to Lisbon, returning Wed, Mar 10, priced at $741 Found 8 hours ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:LIS,departure:3/3/2027TANYT&leg2=from:LIS,to:CMH,departure:3/10/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:740.99&airProductToken=AQqoAQoyCMGCARIENDQ0NBiCOyDBkwEoqt-mAzCl4KYDOEJAAFgBagVCQVNJQ3IIT0xYOUM5QlYKMgjBggESAzEwOBjBkwEg64kBKM%5FgpgMw5OOmAzhCQAFYAWoFQkFTSUNyCE9MWDlDOUJWCj4IwYIBEgQ2NzU4GOuJASCLkgEo4eSmAzCV5qYDOFNAAVgBagVCQVNJQ3IIT0xYOUM5QlZ6CQjCggESAzUwNAqwAQo9CMGCARIEODU0MxiLkgEgjBgo9KenAzDJqKcDOE9AAFgBagVCQVNJQ3IIT0xYOUM5QlZ6CQjJhAESAzUzMAo8CMGCARIEODgzNRiMGCCpUSioqacDMNOtpwM4T0ABWAFqBUJBU0lDcghPTFg5QzlCVnoJCMmEARIDMjExCjEIwYIBEgQ0NDkzGKlRIII7KMWupwMwxq-nAzhCQAFYAWoFQkFTSUNyCE9MWDlDOUJWEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) Wed, Mar 3 - Wed, Mar 10 · CMH · LIS · Roundtrip [Select Swiss International Air Lines flight, departing Tue, Mar 2 from Columbus to Lisbon, returning Tue, Mar 16, priced at $742 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:LIS,departure:3/2/2027TANYT&leg2=from:LIS,to:CMH,departure:3/16/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:741.59&airProductToken=AQqsAQpACMywARIEMzE3ORiCOyCuHCj%5F0qYDMOPTpgM4TEAAWAFqCEVDT0xJR0hUcghMTEk5MFRCUXoKCNWCARIEMTEzOQoxCMywARIBORiuHCC5PCjS1aYDMOTZpgM4TEABWAFqCEVDT0xJR0hUcghMTEk5MFRCUQo1CMywARIEMjA4NBi5PCCLkgEo19qmAzCL3KYDOExAAVgBaghFQ09MSUdIVHIITExJOTBUQlEKrgEKNQjMkAESBDExNzMYi5IBIKUEKOzppwMwoOunAzhMQABYAWoIRUNPTElHSFRyCExMSTkwVEJRCjMIzJABEgM0MzAYpQQgrhwojuynAzC-8KcDOExAAVgBaghFQ09MSUdIVHIITExJOTBUQlEKQAjMkAESBDg3MjAYrhwggjso8fOnAzDJ9KcDOExAAVgBaghFQ09MSUdIVHIITExJOTBUQlF6CgjVggESBDM2MTQSCggBEAEYASoCTFgYASIECAEQASgCKAMoBDAL) Tue, Mar 2 - Tue, Mar 16 · CMH · LIS · Roundtrip [Select Delta flight, departing Sun, Mar 14 from Columbus to Lisbon, returning Thu, Mar 18, priced at $744 Found 1 day ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:LIS,departure:3/14/2027TANYT&leg2=from:LIS,to:CMH,departure:3/18/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:743.09&airProductToken=AQpuCjUIxJgBEgQ1NjUwGII7IKlRKIrbpwMwiNynAzhFQABYAWoJTUFJTkJBU0lDcghWTFg5MU5CTAo1CMSYARIDMjcyGKlRIIuSASjw3KcDMIDgpwM4RUABWAFqCU1BSU5CQVNJQ3IIVkxYOTFOQkwKswEKQgjEmAESBDg0MzkYi5IBIOIwKMqAqAMw6oGoAzhFQABYAWoJTUFJTkJBU0lDcghWTFg5MU5CTHoKCMGMARIEMTEyNQo1CMSYARIDMjI5GOIwIOO0ASi6gqgDMNyGqAM4RUABWAFqCU1BSU5CQVNJQ3IIVkxYOTFOQkwKNgjEmAESBDU3NjIY47QBIII7KL-HqAMw%5FoeoAzhFQAFYAWoJTUFJTkJBU0lDcghWTFg5MU5CTBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) Sun, Mar 14 - Thu, Mar 18 · CMH · LIS · Roundtrip ## Find the cheapest month to fly from Columbus (CMH) to Lisbon (LIS) ### December is typically the cheapest month to fly From $719 - $1,711 per traveler. View flights in December Insights are based on prices from searches for economy trips of 10 days or less on our sites in the last 12 months. Insights are informative only and current prices may differ. ## Book with confidence ### Tips to find the cheapest flights to Casais #### The cheapest day to fly Get started finding a cheap flight to Casais on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you. #### The cheapest month to fly November is the cheapest month to fly to Casais. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Casais. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute. #### The most affordable time to book a flight Typically, a Sunday can be the cheapest time to book a flight to Casais, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation. #### The cheapest round-trip tickets to Casais The lowest price for round-trip flights to Casais in 2026 starts from $504, while one-way tickets start from from $226\. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Casais. If you have a preferred departure time or airline, you can use the handy filters to customize your search. #### The cheapest airlines flying to Casais TAP Portugal, American Airlines, United, Delta, Virgin Atlantic, British Airways, Air Canada, Swiss International Air Lines are just some of the airlines that can typically offer cheap tickets to Casais. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Casais and countless more destinations worldwide. #### The most affordable airports to fly into To view the cheapest airports to fly into for Casais, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Casais. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia. #### Save with a package With Expedia's amazing [package deals](https://www.expedia.com/package-deals), you could save hundreds of dollars by booking your Casais plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving. #### Date flexibility for the cheapest flights to Casais If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Casais. #### Stopover savings The cheapest tickets to Casais are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Casais. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved. #### Get Expedia's Price Drop Protection Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference\*. This gives you peace of mind that you're getting one of the cheapest flights to Casais for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members. *\*Terms apply.* #### Use our Price Tracking feature Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Casais. Simply download the free Expedia app to your smart device and activate Casais flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices. #### Book with Expedia As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Casais. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too. *Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.* ## Frequently Asked Questions ### What month is the cheapest to fly to Casais? Plan your trip for November if you want to get a deal on your fare. It's the cheapest month to fly to Casais. Try to avoid traveling during busy periods such as public holidays or school breaks. ### Which US cities fly direct to Casais? You can fly to Casais directly from 8 US destinations. To find a nonstop trip, use the "Direct flights only" filter when looking for flights to Casais on Expedia. Then, explore the options and pick the best departure from any of these cities: - Boston - Newark - Washington - New York - Miami ### How to find a cheap flight to Casais? To snag cheap flights to Casais, book ahead of time and consider traveling during the low season. Want an insider tip? Depart on a Thursday and save around 16% on average compared to those who jet off on a Sunday.\* Set up price tracking on the [Expedia app](https://www.expedia.com/app) and we'll let you know if prices drop. *\*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.* ### How to get a cheap last-minute flight to Casais? It's possible to get great deals on last-minute flights to Casais, especially if your plans are flexible. Think about leaving from a different airport, changing your dates or selecting another carrier to get a cheap flight to Casais. ### How far in advance should I book a flight to Casais? Lock in your flight to Casais two to four months ahead if you're jetting in from an international destination. For domestic travel, the recommendation is around 28 days in advance. Lower prices and a wider variety of departure dates, schedules and seating options are just some of the perks of booking early.\* *\*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.* ### Which day of the week is the cheapest day to buy a plane ticket to Casais? You can usually get cheap flights to Casais on a Sunday. You can save around 8% on average compared to booking on a Friday, which is often the most expensive day for tickets.\* *\*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.* ### Which airlines fly to Casais? Grab a seat with one of these airlines and the lively region of Casais will be all yours to discover: - TAP Portugal - 273 flights to Casais each month, including 273 flights to Humberto Delgado Airport (LIS) per month. - United Airlines - 60 flights to Casais each month, including 60 flights to Humberto Delgado Airport (LIS) per month. - Delta Air Lines - 60 flights to Casais each month, including 60 flights to Humberto Delgado Airport (LIS) per month. ### Can I save money by booking a Casais trip package? Bundle your flights and accommodations and you could save hundreds of dollars. Plus, you can add extras like tours and car rentals to your [Casais flight and hotel package deal](https://www.expedia.com/Casais.d553248635975867812.Destination-Travel-Guides). With Expedia, it's simple to organize all your Casais travel plans in the same place. ### Can I change or cancel my flight to Casais? It's often possible to change or cancel your flight to Casais. Many airlines let you cancel flights for free within 24 hours of making your booking. However, some flights are non-refundable, and airlines may offer you a credit toward future flights rather than a direct refund. To get affordable flights to Casais with flexible change policies, check "Changes included" or "No cancel fee" when you search. Want more information? Visit our [Customer Service Portal](https://www.expedia.com/service/?langid=1033). ## Travel information | Destination city name | Lisbon | | ----------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Humberto Delgado Airport | | Destination airport IATA code | LIS | | Airlines serving | TAP Portugal, Lufthansa, British Airways, Iberia, Swiss International Air Lines, Air France, KLM, Air Europa, Brussels Airlines, Air Canada, Finnair, SAS, Aer Lingus, ITA Airways, Turkish Airlines, Delta, Austrian Airlines, American Airlines, LATAM Airlines Group, United, LOT-Polish Airlines, Royal Air Maroc, Virgin Atlantic, easyJet, Ryanair, JetBlue Airways, Icelandair, Vueling Airlines, Air Transat, SATA International-Azores Airlines S.A., Emirates, PD, Azul, Singapore Airlines, Ethiopian Airlines, WestJet | | Popular airline | TAP Portugal | | Roundtrip price | $736 | ## Explore a world of travel with Expedia - 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[Museu Luso-Hebraico Abraham Zacuto](https://www.expedia.com/Museu-Luso-Hebraico-Abraham-Zacuto-Tomar.d6116836.Vacation-Attraction) - [Convento de Cristo](https://www.expedia.com/Convento-De-Cristo-Tomar.d6116838.Vacation-Attraction) - [Castelo do Bode](https://www.expedia.com/Castelo-Do-Bode-Tomar.d553248621532486783.Vacation-Attraction) - [Visit Santa Cita](https://www.expedia.com/Santa-Cita.dx3000021032) - [Soudos Vacations](https://www.expedia.com/Soudos.d3000020937.Destination-Travel-Guides) - [Museu dos Fósforos](https://www.expedia.com/Museu-Dos-Fosforos-Tomar.d553248621532957532.Vacation-Attraction) - [Visit Pombeira](https://www.expedia.com/Pombeira.dx3000021148) - [Visit Casal de Santa Iria](https://www.expedia.com/Casal-De-Santa-Iria.dx3000021575) - [Capela de Nossa Senhora da Conceicao](https://www.expedia.com/Capela-De-Nossa-Senhora-Da-Conceicao-Tomar.d553248621532486788.Vacation-Attraction) - [Aldeia Do Mato River Beach](https://www.expedia.com/Aldeia-Do-Mato-River-Beach-Abrantes.d553248635975924130.Vacation-Attraction) - [Visit Serra](https://www.expedia.com/Serra.dx3000020959) - [Ferreira do Zezere Church of San Miguel](https://www.expedia.com/Ferreira-Do-Zezere-Church-Of-San-Miguel-Ferreira-do-Zezere.d6287693.Vacation-Attraction) - [Church of Santa Maria do Olival](https://www.expedia.com/Church-Of-Santa-Maria-Do-Olival-Tomar.d553248621532486786.Vacation-Attraction) - [Tomar Vacations](https://www.expedia.com/Tomar.d5728.Destination-Travel-Guides) - [Visit Martinchel](https://www.expedia.com/Martinchel.dx3000021299) - [Castelo de Tomar](https://www.expedia.com/Castelo-De-Tomar-Tomar.d553248621532486782.Vacation-Attraction) - [Visit Tomar](https://www.expedia.com/Tomar.dx5728) - [Quinta do Falcao Bullring](https://www.expedia.com/Quinta-Do-Falcao-Bullring-Tomar.d6266528.Vacation-Attraction) - [Visit Paialvo](https://www.expedia.com/Paialvo.dx3000021203) - [Localiza Uruguay Rental Cars in Tomar](https://www.expedia.com/Localiza-Uruguay-Car-Rentals-In-Tomar.d5728-c1113.Car-Rental-Guide-Suppliers) - [Europcar Rental Cars in Ferreira do Zezere](https://www.expedia.com/Europcar-Car-Rentals-In-Ferreira-Do-Zezere.d6143996-c14.Car-Rental-Guide-Suppliers) - [Car rental Martinchel](https://www.expedia.com/Car-Rentals-In-Martinchel.d3000021299.Car-Rental-Guide) - [Car rental Ferreira do Zezere](https://www.expedia.com/Car-Rentals-In-Ferreira-Do-Zezere.d6143996.Car-Rental-Guide) - [Europcar Rental Cars in Tomar](https://www.expedia.com/Europcar-Car-Rentals-In-Tomar.d5728-c14.Car-Rental-Guide-Suppliers) - [Car rental Soudos](https://www.expedia.com/Car-Rentals-In-Soudos.d3000020937.Car-Rental-Guide) - [Guerin Rental Cars in Tomar](https://www.expedia.com/Guerin-Car-Rentals-In-Tomar.d5728-c1129.Car-Rental-Guide-Suppliers) - [Car rental Tomar](https://www.expedia.com/Car-Rentals-In-Tomar.d5728.Car-Rental-Guide) - [Car rentals in Budget 259 West Market Street](https://www.expedia.com/Budget-at-259-West-Market-Street-Akron-Ohio-USA.v5728.Car-Rental-Guide-Location) - [Tomar Vacation Rentals](https://www.expedia.com/Tomar-Vacation-Rentals.d5728.Travel-Guide-VacationRentals) - [Things to do in Tomar](https://www.expedia.com/Things-To-Do-In-Tomar.d5728.Travel-Guide-Activities) - [Things to do in Ferreira do Zezere](https://www.expedia.com/Things-To-Do-In-Ferreira-Do-Zezere.d6143996.Travel-Guide-Activities) ## Trending flights to Casais Prices were available within the past 7 days and start at $226 for one-way flights and $504 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select TAP Portugal flight, departing Mon, Nov 30 from Boston to Lisbon, returning Wed, Dec 9, priced at $504 Just found](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:LIS,departure:11/30/2026TANYT&leg2=from:LIS,to:BOS,departure:12/9/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:503.79&airProductToken=AQo2CjQI1KABEgMyMTYYwZMBIIuSASjey54DMOnOngM4T0AAWAFqB0RJU0NJTlRyCE9GMERTSTA4EgoIARABGAEqAlRQGAEiBAgBEAEoAigDKAQwDQ) Mon, Nov 30 - Wed, Dec 9 · BOS · LIS · Roundtrip \*Available to One Key members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/Cheap-Flights-To-Casais.d553248635975867812.Travel-Guide-Flights en-US: https://www.expedia.com/Cheap-Flights-To-Casais.d553248635975867812.Travel-Guide-Flights ```