$386+ Cheap flights from Portugal to District of Columbia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Portugal to District of Columbia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portugal to District of Columbia
Keep the following information in mind while searching for Portugal to District of Columbia flight deals. Data was last updated June 12, 2025.
Round-trip from | $466 (Cheapflightsfares) |
|---|---|
One-way from | $386 (FlightHub) |
Popular in | July |
Cheapest in | September |
Average price | $734 |
Good round-trip deal | $617 or less |
Good one-way deal | $591 or less |
Find flight deals from Portugal to District of Columbia
Cheapest flights from Portugal to District of ColumbiaExplore the most affordable flight options available from Portugal to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Portugal to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Booking.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KLM deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Virgin Atlantic deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Portugal to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Portugal to District of Columbia that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Fri 8/29
6:35 am-3:00 pm
1 stop13h 25m
Washington, D.C. Dulles Intl
Tue 9/2
10:40 pm-5:55 pm
1 stop14h 15m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 9/11
5:00 am-3:35 pm
1 stop15h 35m
Washington, D.C. Dulles Intl
Fri 9/19
9:20 pm-2:50 pm
1 stop12h 30m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Wed 9/3
6:35 am-3:00 pm
1 stop13h 25m
Washington, D.C. Dulles Intl
Wed 9/17
10:40 pm-5:55 pm
1 stop14h 15m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Thu 10/23
5:00 am-6:05 pm
2 stops18h 05m
Washington, D.C. Reagan-National
Sun 11/2
11:00 am-8:00 am
1 stop16h 00m
PortoWashington, D.C.
OPO - IAD
OPOIAD
Porto
Mon 6/23
6:30 am-3:35 pm
1 stop14h 05m
Washington, D.C. Dulles Intl
Wed 7/9
9:20 pm-3:30 pm
1 stop13h 10m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 8/28
7:20 am-5:35 pm
1 stop15h 15m
Washington, D.C. Dulles Intl
Mon 10/27
10:55 pm-6:55 pm
1 stop16h 00m
PortoWashington, D.C.
OPO - IAD
OPOIAD
Porto
Wed 10/8
8:15 am-3:00 pm
1 stop11h 45m
Washington, D.C. Dulles Intl
Tue 10/21
4:35 pm-11:40 am
1 stop14h 05m
PortoWashington, D.C.
OPO - IAD
OPOIAD
Porto
Wed 10/8
10:25 pm-3:20 pm
1 stop21h 55m
Washington, D.C. Dulles Intl
Tue 10/21
5:00 pm-2:05 pm
1 stop16h 05m
PortoWashington, D.C.
OPO - IAD
OPOIAD
Porto
Sun 6/22
4:20 pm-3:35 pm
1 stop28h 15m
Washington, D.C. Dulles Intl
Mon 7/7
5:25 pm-3:35 pm
1 stop17h 10m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 10/23
5:30 pm-8:50 pm
Nonstop8h 20m
Washington, D.C. Dulles Intl
Sun 11/2
10:30 pm-10:35 am
Nonstop7h 05m
Best time to book a flight from Portugal to District of Columbia
Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Portugal with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Portugal to District of Columbia
What is the cheapest month to book a flight from Portugal to District of Columbia?
Currently, August is the cheapest month in which you can book a flight from Portugal to District of Columbia (average of $241). Flying from Portugal to District of Columbia in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PT to DC?
Find hourly flight availability from Portugal to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
When flying from Portugal to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in District of Columbia by month
Plan your trip to District of Columbia by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.
Temperature in District of Columbia by month
Plan your trip to District of Columbia by taking into account the average temperature totals by month.
If weather is an important factor for your trip to District of Columbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
Reviews of airlines servicing District of Columbia
Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Delta, KLM and LOT from Portugal to District of Columbia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Portugal to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Portugal to District of Columbia
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Portugal to District of Columbia
Discover the top 2 airlines that operate flights from Portugal to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$480 | Average$742 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$534 | Average$636 | FlexibilityNo cancel fee | On-time69% |