In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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).

What is the cheapest time of day to fly from TPE to IAD?

It’s optimal to fly from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport at noon. By choosing this option you can save up to 6% on the cost of your flight, compared to a flight in the morning.

Can I find deals for flights from Taiwan Taoyuan Intl to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Taiwan Taoyuan Intl to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Taiwan Taoyuan Intl to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Taiwan Taoyuan Intl to Dulles Intl.

Can I find deals for business class flights from Taiwan Taoyuan Intl to Dulles Intl?

Yes. Cheapflights offers flight deals from Taiwan Taoyuan Intl to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$467+ Cheap Flights from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport

Q: How much does it cost to fly round-trip from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment. Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport flights typically cost between $915 and $1,452 in November. The cheapest round-trip price found within the last 3 days was $720 on United Airlines (Nov 22-Nov 30).

Q: What is the cheapest day to fly from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Q: What is the cheapest day to fly round-trip from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport?

Thursday flights are generally found to be more expensive for flights from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

Q: What is the cheapest month to fly from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, March can be a great choice for travel to Washington, D.C. Dulles Intl Airport. Flights to Washington, D.C. Dulles Intl Airport from Taipei City Taiwan Taoyuan Intl Airport in March are about $1,053 on average during March, but can be found for as low as $853.

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Cheap flight deals from Taiwan Taoyuan Intl to Dulles Intl

Round-trip from	$720 (United Airlines)
One-way from	$467 (Delta)
Popular in	July
Cheapest in	February
Average price	$1,113

From Taipei City Taiwan Taoyuan Intl to Washington, D.C. Dulles Intl

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One-way flight from Taipei City Taiwan Taoyuan Intl to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 8% potential increase in price ($108 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Taiwan Taoyuan Intl to Dulles Intl

Cheapest flights from Taiwan Taoyuan Intl to Dulles Intl
Explore the most affordable flight options available from Taiwan Taoyuan Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Tue 10/2810:10 amTPE - IAD

2 stops23h 13mUnited Airlines

Sat 11/112:40 pmIAD - TPE

2 stops28h 05mUnited Airlines

Deal found 9/10

$777

Wed 9/179:35 amTPE - IAD

1 stop32h 26mDelta

Tue 9/307:35 amIAD - TPE

1 stop24h 20mDelta

Deal found 9/10

$832

Sun 10/2610:10 amTPE - IAD

2 stops23h 14mUnited Airlines

Sun 11/210:10 pmIAD - TPE

2 stops32h 40mUnited Airlines

Deal found 9/11

$844

Thu 9/259:50 amTPE - IAD

2 stops26h 31mUnited Airlines

Thu 11/204:10 pmIAD - TPE

1 stop24h 35mUnited Airlines

Deal found 9/9

$852

Sun 12/1410:55 amTPE - IAD

2 stops23h 35mDelta

Sat 1/312:57 pmIAD - TPE

2 stops43h 08mDelta

Deal found 9/11

$924

Thu 12/183:50 pmTPE - IAD

2 stops21h 25mUnited Airlines

Thu 1/110:10 pmIAD - TPE

2 stops32h 40mUnited Airlines

Deal found 9/9

$960

Mon 11/243:50 pmTPE - IAD

2 stops32h 59mUnited Airlines

Mon 12/2910:05 pmIAD - TPE

1 stop32h 45mUnited Airlines

Deal found 9/10

$962

Thu 12/1811:10 amTPE - IAD

2 stops26h 05mUnited Airlines

Sat 1/32:24 pmIAD - TPE

2 stops26h 21mUnited Airlines

Deal found 9/9

$990

Fri 12/1910:55 amTPE - IAD

1 stop26h 31mDelta

Sat 1/37:05 amIAD - TPE

1 stop25h 00mDelta

Deal found 9/9

$1,014

Best flights from Taiwan Taoyuan Intl to Dulles Intl
Discover carefully curated flight deals from Taiwan Taoyuan Intl to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Tue 10/282:50 pmTPE - IAD

2 stops21h 09mUnited Airlines

Sat 11/14:10 pmIAD - TPE

1 stop24h 35mUnited Airlines

Deal found 9/10

$777

Sun 10/129:35 amTPE - IAD

1 stop27h 05mDelta

Fri 10/177:35 amIAD - TPE

1 stop24h 20mDelta

Deal found 9/11

$833

Fri 11/1411:10 amTPE - IAD

2 stops23h 13mUnited Airlines

Sun 11/235:55 pmIAD - TPE

2 stops36h 55mUnited Airlines

Deal found 9/10

$778

Sun 10/2610:10 amTPE - IAD

2 stops23h 14mUnited Airlines

Sun 11/210:10 pmIAD - TPE

2 stops32h 40mUnited Airlines

Deal found 9/11

$844

Thu 9/259:50 amTPE - IAD

2 stops26h 31mUnited Airlines

Thu 11/208:30 amIAD - TPE

2 stops32h 15mUnited Airlines

Deal found 9/9

$852

Thu 2/53:50 pmTPE - IAD

2 stops37h 10mUnited Airlines

Sat 2/286:55 pmIAD - TPE

2 stops35h 55mUnited Airlines

Deal found 9/11

$878

Fri 2/1311:10 amTPE - IAD

2 stops37h 33mUnited Airlines

Tue 2/175:30 pmIAD - TPE

1 stop23h 15mUnited Airlines

Deal found 9/9

$878

Wed 2/411:10 amTPE - IAD

2 stops23h 07mUnited Airlines

Fri 2/275:35 pmIAD - TPE

2 stops47h 10mUnited Airlines

Deal found 9/11

$878

Sat 2/711:10 amTPE - IAD

2 stops23h 07mUnited Airlines

Sat 2/286:00 amIAD - TPE

2 stops34h 45mUnited Airlines

Deal found 9/11

$878

Thu 2/511:10 amTPE - IAD

2 stops37h 34mUnited Airlines

Fri 2/2010:05 pmIAD - TPE

1 stop42h 40mUnited Airlines

Deal found 9/10

$919

Last-minute flights from Taiwan Taoyuan Intl to Dulles Intl
Discover last-minute flight deals from Taiwan Taoyuan Intl to Dulles Intl. Data last updated September 11, 2025 and is based on user searches.

Tue 9/1612:30 amTPE - IAD

1 stop44h 10mEmirates

Tue 9/3010:55 amIAD - TPE

1 stop41h 20mEmirates

Deal found 9/10

$2,122

Wed 9/179:35 amTPE - IAD

2 stops25h 42mDelta

Tue 9/307:20 amIAD - TPE

2 stops24h 35mDelta

Deal found 9/10

$832

Thu 9/259:50 amTPE - IAD

2 stops26h 31mUnited Airlines

Thu 11/208:30 amIAD - TPE

2 stops32h 15mUnited Airlines

Deal found 9/9

$852

Thu 9/2511:00 pmTPE - IAD

1 stop20h 33mMultiple Airlines

Thu 11/207:43 amIAD - TPE

1 stop31h 57mMultiple Airlines

Deal found 9/9

$1,038

Sat 10/1112:30 amTPE - IAD

1 stop44h 10mEmirates

Fri 10/1710:55 amIAD - TPE

1 stop41h 20mEmirates

Deal found 9/11

$2,078

Sat 10/2512:05 amTPE - IAD

2 stops45h 04mMultiple Airlines

Sun 11/26:13 pmIAD - TPE

1 stop21h 42mMultiple Airlines

Deal found 9/11

$1,199

Sun 10/2610:10 amTPE - IAD

2 stops23h 14mUnited Airlines

Sun 11/210:10 pmIAD - TPE

2 stops32h 40mUnited Airlines

Deal found 9/11

$844

Tue 10/282:50 pmTPE - IAD

2 stops21h 09mUnited Airlines

Sat 11/14:10 pmIAD - TPE

1 stop24h 35mUnited Airlines

Deal found 9/10

$777

One-way flights from Taiwan Taoyuan Intl to Dulles Intl
Search for one-way flight options from Taiwan Taoyuan Intl to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Sat 10/259:40 amTPE - IAD

2 stops25h 53mDelta

Deal found 9/9

$467

Sat 11/810:55 amTPE - IAD

1 stop26h 45mDelta

Deal found 9/11

$468

Sat 11/19:55 amTPE - IAD

2 stops25h 38mDelta

Deal found 9/9

$493

Sat 11/810:15 amTPE - IAD

3 stops43h 19mMultiple Airlines

Deal found 9/11

$508

Sun 12/710:15 amTPE - IAD

3 stops44h 15mMultiple Airlines

Deal found 9/10

$539

Sun 11/210:15 amTPE - IAD

3 stops43h 58mMultiple Airlines

Deal found 9/9

$541

Sun 12/711:10 amTPE - IAD

2 stops37h 13mUnited Airlines

Deal found 9/10

$548

Sat 10/258:00 pmTPE - IAD

3 stops50h 24mMultiple Airlines

Deal found 9/9

$560

Wed 12/33:50 pmTPE - IAD

3 stops28h 37mUnited Airlines

Deal found 9/11

$562

Wed 1/2810:55 amTPE - IAD

2 stops25h 55mDelta

Deal found 9/9

$567

Cheapflights Fare Finder

Use the filters below to find and compare flights from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Tue 10/28

2:50 pm-11:59 pm

2 stops21h 09m

Washington, D.C. Dulles Intl

Sat 11/1

4:10 pm-4:45 am

1 stop24h 35m

$777

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Fri 11/14

11:10 am-9:23 pm

2 stops23h 13m

Washington, D.C. Dulles Intl

Sun 11/23

5:55 pm-7:50 pm

2 stops36h 55m

$778

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Sun 10/12

9:35 am-12:40 am

1 stop27h 05m

Washington, D.C. Dulles Intl

Fri 10/17

7:35 am-7:55 pm

1 stop24h 20m

$833

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Sun 10/26

10:10 am-9:24 pm

2 stops23h 14m

Washington, D.C. Dulles Intl

Sun 11/2

10:10 pm-7:50 pm

2 stops32h 40m

$844

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Thu 9/25

9:50 am-12:21 am

2 stops26h 31m

Washington, D.C. Dulles Intl

Thu 11/20

8:30 am-5:45 am

2 stops32h 15m

$852

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Thu 2/5

3:50 pm-4:00 pm

2 stops37h 10m

Washington, D.C. Dulles Intl

Sat 2/28

6:55 pm-7:50 pm

2 stops35h 55m

$878

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Fri 2/13

11:10 am-11:43 am

2 stops37h 33m

Washington, D.C. Dulles Intl

Tue 2/17

5:30 pm-5:45 am

1 stop23h 15m

$878

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Wed 2/4

11:10 am-9:17 pm

2 stops23h 07m

Washington, D.C. Dulles Intl

Fri 2/27

5:35 pm-5:45 am

2 stops47h 10m

$878

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Sat 2/7

11:10 am-9:17 pm

2 stops23h 07m

Washington, D.C. Dulles Intl

Sat 2/28

6:00 am-5:45 am

2 stops34h 45m

$878

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Thu 2/5

11:10 am-11:44 am

2 stops37h 34m

Washington, D.C. Dulles Intl

Fri 2/20

10:05 pm-5:45 am

1 stop42h 40m

$919

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 16 results

Best time to book a flight from Taiwan Taoyuan Intl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Taiwan Taoyuan Intl 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 Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

How much does it cost to fly round-trip from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with United Airlines from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,937 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

United Airlines

7.4

Good

8,937 reviews

United Airlines

7.4

Good

8,937 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

How long is the flight from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport?
Departing from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport will take you 21h 09m. There are 7846 mi between Taipei City Taiwan Taoyuan Intl Airport and Washington, D.C. Dulles Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.
What is the cheapest airline to fly from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport round-trip?
Cheapflights users have booked flights from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport round-trip from $843. This flight start at 25% lower than the current average price 3 months from now.
Can I find deals for flights from Taiwan Taoyuan Intl to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Taiwan Taoyuan Intl to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Taiwan Taoyuan Intl to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Taiwan Taoyuan Intl to Dulles Intl.
Can I find deals for business class flights from Taiwan Taoyuan Intl to Dulles Intl?
Yes. Cheapflights offers flight deals from Taiwan Taoyuan Intl to Dulles Intl 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 Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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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Alexandria

Arlington

Tysons

Silver Spring

Springfield

Gaithersburg

Fredericksburg

Linthicum Heights

Fairfax

Falls Church

Owings Mills

Manassas

Rockville

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Laurel

Towson

Dundalk

National Harbor

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Top airline flying from Taiwan Taoyuan Intl to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$843	Average$1,090	FlexibilityNo cancel fee	On-time69%

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$467+ Cheap flights from Taiwan Taoyuan Intl (TPE) to Dulles Intl (IAD)

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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Taiwan Taoyuan Intl to Dulles Intl with Cheapflights

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Cheap flight deals from Taiwan Taoyuan Intl to Dulles Intl

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Find flight deals from Taiwan Taoyuan Intl to Dulles Intl

Cheapest flights from Taiwan Taoyuan Intl to Dulles IntlExplore the most affordable flight options available from Taiwan Taoyuan Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from Taiwan Taoyuan Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Taiwan Taoyuan Intl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Taiwan Taoyuan Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport?

How much does it cost to fly round-trip from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with United Airlines from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Taiwan Taoyuan Intl to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport?

What is the cheapest airline to fly from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport round-trip?

Can I find deals for flights from Taiwan Taoyuan Intl to Dulles Intl that include hotel bookings?

How can I find direct flights from Taiwan Taoyuan Intl to Dulles Intl?

Can I find deals for business class flights from Taiwan Taoyuan Intl to Dulles Intl?

What is the cheapest month to book a flight from Taipei City Taiwan Taoyuan Intl Airport to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for Taiwan Taoyuan Intl to Dulles Intl

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Top airline flying from Taiwan Taoyuan Intl to Dulles Intl

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Cheapest flights from Taiwan Taoyuan Intl to Dulles Intl
Explore the most affordable flight options available from Taiwan Taoyuan Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.