Cheap flights from Washington, D.C. to Porto Alegre from $409
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Porto Alegre departing on 5/8. 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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United Airlines flights from Washington, D.C. to Porto Alegre
Our best United Airlines deals on Washington, D.C. to Porto Alegre flight tickets
Copa Airlines flights from Washington, D.C. to Porto Alegre
Our best Copa Airlines deals on Washington, D.C. to Porto Alegre flight tickets
See travel insights to Porto Alegre from
How to get the cheapest flight ticket from Washington, D.C. to Porto Alegre
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
What is the cheapest day to depart on your flight to Porto Alegre?
Our data shows that Sunday is the least expensive day to fly to Porto Alegre. Tickets to fly out on this day can be as low as $891. On the other hand, Wednesday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,357.
What is the cheapest time of day to depart on your flight to Porto Alegre?
Our most recent data shows that the best time of day to fly to Porto Alegre is in the afternoon. Flights from Washington, D.C. to Porto Alegre during this time can be as low as $1,173. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,350 on average. Flights to Porto Alegre from Washington, D.C. at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
When to book flights from Washington, D.C. to Porto Alegre
Cheap Washington, D.C. to Porto Alegre (WAS to POA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Porto Alegre
How far is Washington, D.C. to Porto Alegre Salgado Filho by plane?
The straight-line distance from Washington, D.C. to Porto Alegre Salgado Filho is 5041.2 mi. By plane, this route typically takes 13h 43m.
When did momondo last update prices for flights from Washington, D.C. to Porto Alegre Salgado Filho Airport?
Prices for flights from Washington, D.C. to Porto Alegre Salgado Filho Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Porto Alegre Salgado Filho Airport?
The number of operators available for flights from Washington, D.C. to Porto Alegre Salgado Filho Airport is 1 as of April 2025.
How old do you have to be to fly from Washington, D.C. to Porto Alegre Salgado Filho Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Porto Alegre Salgado Filho Airport.
What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?
The travel and health documents required for your trip to Porto Alegre Salgado Filho Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Alegre Salgado Filho Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Washington, D.C. to Porto Alegre?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Porto Alegre is Copa Airlines (56% of total bookings). The next most popular airline is LATAM Airlines (44%).
Best airlines flying from Washington, D.C. to Porto Alegre
Compare and see reviews for airlines that fly from Washington, D.C. to Porto Alegre with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $710 | Free Cancellation | Rating 7.6 1,408 reviews | |||
| PriceFrom $798 | Free Cancellation | Rating 7.5 1,758 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Porto Alegre?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Porto Alegre. momondo saves you time and could save you money on your trip.
Can I find flights from Washington, D.C. to Porto Alegre with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Porto Alegre from Washington, D.C. with this policy.
How can momondo help me find flights from Washington, D.C. to Porto Alegre?
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 Porto Alegre from Washington, D.C..
I’m not ready to book a flight from Washington, D.C. to Porto Alegre right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Washington, D.C. to Porto Alegre now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Porto Alegre and let you know when they change.