POA

$505 Find Cheap Flights from Washington to Porto Alegre

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight to Porto Alegre departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Cheap Flights from Washington to Porto Alegre

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Porto Alegre that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington to Porto Alegre

Tue, Sep 9 - Tue, Sep 23
United Airlines Logo
10:55 am - 1:40 pmSEA-POA
22h 45m2 stops
United Airlines Logo
2:45 pm - 6:49 pmPOA-SEA
32h 04m2 stops
$505United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 23
United Airlines Logo
7:10 am - 1:40 pmSEA-POA
26h 30m3 stops
United Airlines Logo
5:35 pm - 3:51 pmPOA-SEA
26h 16m2 stops
$507United Airlines
Find Deal
Sat, Aug 23 - Sat, Aug 30
United Airlines Logo
11:58 pm - 6:10 pmSEA-POA
38h 12m2 stops
United Airlines Logo
5:40 pm - 7:37 pmPOA-SEA
29h 57m2 stops
$524United Airlines
Find Deal
Tue, Sep 9 - Mon, Sep 22
Copa Airlines Logo
5:14 pm - 12:20 amSEA-POA
27h 06m2 stops
Copa Airlines Logo
1:27 am - 10:15 pmPOA-SEA
24h 48m2 stops
$716Copa Airlines
Find Deal
Sat, Aug 23 - Fri, Aug 29
Copa Airlines Logo
5:14 pm - 12:15 amSEA-POA
27h 01m2 stops
Copa Airlines Logo
1:20 am - 1:30 pmPOA-SEA
40h 10m2 stops
$1,103Copa Airlines
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Tue, Sep 30 - Fri, Oct 3
LATAM Airlines Logo
6:00 am - 7:50 pmPDX-POA
33h 50m2 stops
LATAM Airlines Logo
10:10 am - 12:04 pmPOA-PDX
29h 54m2 stops
$1,110LATAM Airlines
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Tue, Sep 30 - Fri, Oct 3
LATAM Airlines Logo
10:05 pm - 6:25 amPDX-POA
28h 20m2 stops
LATAM Airlines Logo
10:10 am - 12:30 pmPOA-PDX
30h 20m2 stops
$1,177LATAM Airlines
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Sat, Aug 23 - Sat, Aug 30
 Logo
7:00 am - 6:25 amSEA-POA
19h 25m2 stops
 Logo
5:00 pm - 6:36 pmPOA-SEA
29h 36m3 stops
$1,806
Find Deal
Sat, Aug 23 - Sat, Aug 30
 Logo
10:15 pm - 6:25 amSEA-POA
28h 10m3 stops
 Logo
1:35 pm - 8:28 pmPOA-SEA
34h 53m3 stops
$1,928
Find Deal
Sun, Aug 24 - Sun, Aug 31
Air Canada Logo
10:00 am - 2:35 pmSEA-POA
24h 35m3 stops
Air Canada Logo
1:35 pm - 2:16 pmPOA-SEA
28h 41m3 stops
$1,969Air Canada
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Good to know

Cheapest flight$505
Flight from Seattle to Porto Alegre

FAQs for booking flights from Washington to Porto Alegre

  • How does KAYAK find such low prices on flights from Washington to Porto Alegre?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Porto Alegre.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Porto Alegre?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto Alegre from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington to Porto Alegre?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto Alegre with an airline and back to Washington with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Porto Alegre?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto Alegre from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Porto Alegre

Information on the airport you'll fly into in Porto Alegre

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