$239+ Cheap flights from District of Columbia to Portugal
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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from District of Columbia to Portugal 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 District of Columbia to Portugal
Keep the following information in mind while searching for District of Columbia to Portugal flight deals. Data was last updated March 12, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $547 (Delta) |
One-way from | $239 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $781 |
Good round-trip deal | $681 or less |
Good one-way deal | $431 or less |
Find flight deals from District of Columbia to Portugal
Cheapest flights from District of Columbia to PortugalExplore the most affordable flight options available from District of Columbia to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2025.
Explore the most affordable flight options available from District of Columbia to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 3/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Finnair deal was found by Cheapflights users on 3/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Finnair deal was found by Cheapflights users on 3/11. 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 Finnair 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 3/11. 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 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 3/11. 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 Delta 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 3/11. 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 KLM 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 3/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 3/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 3/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This SWISS deal was found by Cheapflights users on 3/12. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Ovago deal was found by Cheapflights users on 3/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from District of Columbia to Portugal within your budget
Customize your flight search to find flights from District of Columbia to Portugal 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 March 12, 2025.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Lisbon
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Fri 3/28
12:15 pm-9:45 am
2 stops41h 30m
Lisbon Humberto Delgado
Sun 4/6
5:00 am-3:35 pm
1 stop15h 35m
Washington, D.C.Lisbon
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Sat 3/29
6:35 pm-5:40 pm
1 stop19h 05m
Lisbon Humberto Delgado
Sun 4/6
5:00 am-3:35 pm
1 stop15h 35m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Tue 4/1
3:55 pm-12:05 pm
2 stops15h 10m
Porto
Sun 4/6
8:40 am-4:15 pm
1 stop12h 35m
Washington, D.C.Lisbon
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Sat 3/22
3:00 pm-3:00 pm
1 stop20h 00m
Lisbon Humberto Delgado
Fri 3/28
11:35 am-1:15 pm
1 stop29h 40m
Washington, D.C.Lisbon
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Sun 3/30
9:05 pm-5:40 pm
1 stop15h 35m
Lisbon Humberto Delgado
Sun 4/6
6:40 pm-7:05 pm
1 stop29h 25m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Thu 3/27
9:45 pm-4:40 pm
1 stop14h 55m
Porto
Mon 4/7
7:20 pm-4:15 pm
1 stop25h 55m
Washington, D.C.Porto
DCA - OPO
DCAOPO
Washington, D.C. Reagan-National
Sun 3/30
11:00 am-11:15 am
2 stops19h 15m
Porto
Sun 4/6
6:00 am-8:53 am
2 stops31h 53m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Sat 3/22
3:00 pm-9:50 am
1 stop38h 50m
Porto
Mon 3/31
4:50 pm-10:45 am
1 stop22h 55m
Washington, D.C.Porto
DCA - OPO
DCAOPO
Washington, D.C. Reagan-National
Thu 3/27
6:59 am-11:50 am
2 stops24h 51m
Porto
Wed 4/2
8:40 am-8:53 am
2 stops29h 13m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Mon 3/31
10:20 pm-5:00 pm
1 stop13h 40m
Porto
Thu 4/24
9:00 am-3:20 pm
1 stop11h 20m
Best time to book a flight from District of Columbia to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from District of Columbia with our price prediction graph.
Travel insights for flights from District of Columbia to Portugal
Get recent, data-driven insights about flights from District of Columbia to Portugal including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from District of Columbia to Portugal?
Currently, January is the cheapest month in which you can book a flight from District of Columbia to Portugal (average of $612). Flying from District of Columbia to Portugal in June is currently the most expensive (average of $1,222). 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 DC to PT?
Find hourly flight availability from District of Columbia to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 12, 2025.
When flying from District of Columbia to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from District of Columbia to Portugal
Explore weekly flight availability from District of Columbia to Portugal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 12, 2025.
The most flights from USDC to PT0 are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
Rainfall in Portugal by month
Plan your trip to Portugal by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.
Temperature in Portugal by month
Plan your trip to Portugal by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated March 12, 2025.
Read through reviews of airlines operating flights from District of Columbia to Portugal, such as Delta, Porter Airlines and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Overall
Crew
Boarding
Comfort
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Crew
Boarding
Comfort
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Crew
Boarding
Comfort
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Crew
Boarding
Comfort
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Crew
Boarding
Comfort
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Crew
Boarding
Comfort
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from District of Columbia to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for District of Columbia to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from District of Columbia to Portugal
Discover the top 10 airlines that operate flights from District of Columbia to Portugal. 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 March 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$328 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$422 | Average$940 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$424 | Average$942 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$435 | Average$903 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$458 | Average$912 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$512 | Average$749 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$538 | Average$1,105 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$538 | Average$900 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$539 | Average$933 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$552 | Average$656 | FlexibilityNo cancel fee | On-time75% |