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$584+ Cheap flights from Reagan-National (DCA) to Hanoi (HAN)

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HAN
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheap flight deals from Reagan-National to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Hanoi (HAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,194
(Cathay Pacific)

One-way from

$584
(China Airlines)

Popular in

June

Cheapest in

September

Average price

$1,368
Provider with most accurate pricing for Washington, D.C. Reagan-National-Hanoi Noibai flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Hanoi Noibai flights.
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From Washington, D.C. Reagan-National to Hanoi Noibai
Search Deals
One-way flight from Washington, D.C. Reagan-National to Hanoi Noibai
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Reagan-National to Hanoi

Cheapest flights from Reagan-National to Hanoi
Explore the most affordable flight options available from Reagan-National to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This China Airlines deal was found by Cheapflights users on 3/23. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:35 pmDCA - HAN
2 stops35h 15mMultiple Airlines
Tue 5/135:50 pmHAN - DCA
2 stops38h 08mMultiple Airlines
Deal found 3/23$1,175
This FlightHub deal was found by Cheapflights users on 3/23. 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.
Tue 4/811:54 amDCA - HAN
2 stops35h 01mCathay Pacific
Tue 4/2910:55 amHAN - DCA
2 stops25h 00mCathay Pacific
Deal found 3/23$1,219
This FlightHub deal was found by Cheapflights users on 3/23. 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.
Thu 9/189:00 amDCA - HAN
3 stops39h 30mSingapore Airlines
Fri 10/1012:40 pmHAN - DCA
2 stops43h 15mSingapore Airlines
Deal found 3/23$1,417
This Air Canada deal was found by Cheapflights users on 3/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:00 amDCA - HAN
2 stops29h 05mAir Canada
Mon 11/2411:30 pmHAN - DCA
2 stops35h 07mAir Canada
Deal found 3/22$1,656
This Korean Air deal was found by Cheapflights users on 3/23. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/26:30 amDCA - HAN
2 stops28h 05mKorean Air
Sun 4/1311:10 pmHAN - DCA
2 stops33h 50mKorean Air
Deal found 3/23$1,665
This KAYAK deal was found by Cheapflights users on 3/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/158:16 amDCA - HAN
2 stops29h 29mPhilippine Airlines
Sun 5/181:45 amHAN - DCA
2 stops30h 07mPhilippine Airlines
Deal found 3/24$1,804
This oojo deal was found by Cheapflights users on 3/23. 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.
Thu 4/311:39 amDCA - HAN
2 stops39h 21mQatar Airways
Sun 4/138:45 amHAN - DCA
2 stops48h 30mQatar Airways
Deal found 3/23$1,868
This KAYAK deal was found by Cheapflights users on 3/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:30 amDCA - HAN
2 stops26h 35mANA
Sun 11/2312:25 amHAN - DCA
2 stops30h 27mANA
Deal found 3/22$1,940
This United deal was found by Cheapflights users on 3/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/18:30 amDCA - HAN
3 stops50h 45mUnited Airlines
Tue 4/2911:35 pmHAN - DCA
2 stops32h 55mUnited Airlines
Deal found 3/24$2,127
This Delta deal was found by Cheapflights users on 3/22. 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.
Wed 11/196:10 amDCA - HAN
2 stops27h 30mDelta
Wed 11/2612:20 pmHAN - DCA
2 stops21h 53mDelta
Deal found 3/22$2,140
This Emirates deal was found by Cheapflights users on 3/23. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/105:00 pmDCA - HAN
2 stops33h 15mEmirates
Fri 8/221:30 amHAN - DCA
2 stops33h 15mEmirates
Deal found 3/23$2,207
This FlightHub deal was found by Cheapflights users on 3/23. 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.
Tue 4/17:59 amDCA - HAN
2 stops26h 51mJapan Airlines
Thu 4/311:20 pmHAN - DCA
2 stops34h 06mJapan Airlines
Deal found 3/23$2,235

Cheapflights Fare Finder

Customize your flight search to find flights from Reagan-National to Hanoi 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 25, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Hanoi that are best for you.

Fly from

Reagan-National

Fly to

Hanoi

Route

Depart

Return

Price

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 5/6

6:35 pm-4:50 pm

2 stops35h 15m

Hanoi Noibai

Tue 5/13

5:50 pm-8:58 pm

2 stops38h 08m

$1,175

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 4/8

11:54 am-9:55 am

2 stops35h 01m

Hanoi Noibai

Tue 4/29

10:55 am-12:55 am

2 stops25h 00m

$1,219

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 5/6

8:59 am-11:30 am

3 stops39h 31m

Hanoi Noibai

Tue 5/13

12:40 pm-8:58 pm

2 stops43h 18m

$1,638

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Wed 4/2

6:30 am-9:35 pm

2 stops28h 05m

Hanoi Noibai

Sun 4/13

11:10 pm-10:00 pm

2 stops33h 50m

$1,665

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Mon 5/12

8:40 pm-10:15 pm

2 stops38h 35m

Hanoi Noibai

Tue 5/27

11:35 pm-7:53 pm

2 stops31h 18m

$1,793

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 4/15

8:16 am-12:45 am

2 stops29h 29m

Hanoi Noibai

Sun 5/18

1:45 am-8:52 pm

2 stops30h 07m

$1,804

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 4/3

11:39 am-2:00 pm

2 stops39h 21m

Hanoi Noibai

Sun 4/13

8:45 am-10:15 pm

2 stops48h 30m

$1,868

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 4/1

8:30 am-10:15 pm

3 stops50h 45m

Hanoi Noibai

Tue 4/29

11:35 pm-9:30 pm

2 stops32h 55m

$2,127

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 4/1

7:59 am-9:50 pm

2 stops26h 51m

Hanoi Noibai

Thu 4/3

11:20 pm-10:26 pm

2 stops34h 06m

$2,235

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Sun 5/11

2:47 pm-1:15 pm

2 stops35h 28m

Hanoi Noibai

Fri 5/30

1:15 am-10:42 pm

2 stops32h 27m

$2,443

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 17 results
1
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Compare providers for flights from Reagan-National to Hanoi

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Hanoi in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Hanoi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Hanoi flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Hanoi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Hanoi flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Hanoi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Hanoi

Rainfall in Hanoi by month

Plan your trip to Hanoi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hanoi ranges from 0.6 - 11.7 inches per month. August is typically the wettest month, when rainfall can reach 11.7 in. December is typically the driest time to visit Hanoi when rainfall is around 0.6 in.

Temperature in Hanoi by month

Plan your trip to Hanoi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 62.6 F).

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. 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 Hanoi. Reviews last updated March 25, 2025.
See what other customers who have flown with Korean Air, ANA and Singapore Airlines from Washington, D.C. to Hanoi have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,047 reviews

Crew

8.7

Overall

8.4

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,047 reviews
Korean Air
8.4
Very good
1,047 reviews

Crew

8.7

Overall

8.4

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
ANA
8.3
Very good
825 reviews
Korean Air
8.4
Very good
1,047 reviews

Crew

8.7

Overall

8.4

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very good
1,284 reviews
Korean Air
8.4
Very good
1,047 reviews

Crew

8.7

Overall

8.4

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Emirates
8.0
Very good
3,190 reviews
Korean Air
8.4
Very good
1,047 reviews

Crew

8.7

Overall

8.4

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,890 reviews
Korean Air
8.4
Very good
1,047 reviews

Crew

8.7

Overall

8.4

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Hanoi from Washington, D.C. Reagan-National?

    Located just 14.2 mi from the city center, Hanoi Noibai is the airport most travelers will use when flying to Hanoi from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to Noibai (HAN) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Reagan-National from 0 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Hanoi round-trip?

    According to our current data, Cathay Pacific ($1,225), Singapore Airlines ($1,417), and Korean Air ($1,715) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Hanoi.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Hanoi one-way?

    For one-way options, check prices for Cathay Pacific. According to our data, you can fly for as low as $618. Users have also found prices from $699 and $1,166 on Singapore Airlines and ANA, respectively.

  • Can I find deals for flights from Reagan-National to Hanoi that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Hanoi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Hanoi.

  • Can I find deals for business class flights from Reagan-National to Hanoi?

    Yes. Cheapflights offers flight deals from Reagan-National to Hanoi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Hanoi?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Hanoi (average of $975). Flying from Washington, D.C. Reagan-National Airport to Hanoi in December is currently the most expensive (average of $1,618). 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.

See more FAQs

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