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.

$502+ 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 $1,222 and $1,543 in September. The cheapest round-trip price found within the last 3 days was $833 on United Airlines (Sep 8-Sep 26).

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, April 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 April are about $1,092 on average during April, but can be found for as low as $629.

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Cheap flight deals from Taiwan Taoyuan Intl to Dulles Intl

Round-trip from	$833 (United Airlines)
One-way from	$502 (Delta)
Popular in	July
Cheapest in	February
Average price	$1,545

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 ($101 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 29, 2025.

Mon 9/89:50 amTPE - IAD

2 stops26h 42mUnited Airlines

Fri 9/2612:50 pmIAD - TPE

2 stops27h 15mUnited Airlines

Deal found 7/27

$833

Wed 9/179:35 amTPE - IAD

2 stops25h 42mDelta

Tue 9/306:15 amIAD - TPE

2 stops25h 40mDelta

Deal found 7/29

$890

Wed 8/2712:40 pmTPE - IAD

2 stops23h 40mMultiple Airlines

Wed 9/39:00 amIAD - TPE

2 stops23h 35mMultiple Airlines

Deal found 7/27

$1,009

Mon 8/256:55 pmTPE - IAD

1 stop28h 20mKorean Air

Mon 9/11:15 pmIAD - TPE

1 stop34h 55mKorean Air

Deal found 7/27

$1,060

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 July 29, 2025.

Mon 9/89:50 amTPE - IAD

2 stops26h 42mUnited Airlines

Fri 9/2612:50 pmIAD - TPE

2 stops27h 15mUnited Airlines

Deal found 7/27

$833

Wed 9/179:35 amTPE - IAD

2 stops25h 42mDelta

Tue 9/306:15 amIAD - TPE

2 stops25h 40mDelta

Deal found 7/29

$890

Wed 8/2712:40 pmTPE - IAD

2 stops23h 40mMultiple Airlines

Wed 9/39:00 amIAD - TPE

2 stops23h 35mMultiple Airlines

Deal found 7/27

$1,009

Mon 8/256:55 pmTPE - IAD

1 stop28h 20mKorean Air

Mon 9/11:15 pmIAD - TPE

1 stop34h 55mKorean Air

Deal found 7/27

$1,060

Mon 10/132:40 pmTPE - IAD

2 stops40h 50mAir China

Tue 11/1110:00 pmIAD - TPE

2 stops48h 25mAir China

Deal found 7/28

$1,853

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 July 29, 2025 and is based on user searches.

Wed 7/309:25 amTPE - IAD

1 stop38h 20mTurkish Airlines

Fri 10/241:30 pmIAD - TPE

1 stop30h 25mTurkish Airlines

Deal found 7/29

$1,885

Mon 8/256:55 pmTPE - IAD

1 stop28h 20mKorean Air

Mon 9/11:15 pmIAD - TPE

1 stop34h 55mKorean Air

Deal found 7/27

$1,060

Wed 8/279:50 amTPE - IAD

2 stops23h 05mUnited Airlines

Tue 9/912:45 pmIAD - TPE

2 stops27h 20mUnited Airlines

Deal found 7/29

$963

Wed 8/2712:40 pmTPE - IAD

2 stops23h 40mMultiple Airlines

Wed 9/39:00 amIAD - TPE

2 stops23h 35mMultiple Airlines

Deal found 7/27

$1,009

Wed 8/279:35 amTPE - IAD

1 stop32h 20mDelta

Fri 9/127:35 amIAD - TPE

1 stop24h 20mDelta

Deal found 7/29

$1,066

Sun 8/3112:30 amTPE - IAD

1 stop44h 10mEmirates

Mon 9/810:55 amIAD - TPE

1 stop41h 20mEmirates

Deal found 7/29

$2,102

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 July 29, 2025.

Wed 9/109:35 amTPE - IAD

2 stops25h 57mDelta

Deal found 7/29

$502

Tue 8/264:55 pmTPE - IAD

3 stops43h 25mMultiple Airlines

Deal found 7/27

$543

Sat 10/49:50 amTPE - IAD

1 stop33h 12mUnited Airlines

Deal found 7/29

$583

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

Mon 9/8

9:50 am-12:32 am

2 stops26h 42m

Washington, D.C. Dulles Intl

Fri 9/26

12:50 pm-4:05 am

2 stops27h 15m

$833

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Wed 9/17

9:35 am-11:17 pm

2 stops25h 42m

Washington, D.C. Dulles Intl

Tue 9/30

6:15 am-7:55 pm

2 stops25h 40m

$890

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Wed 8/27

12:40 pm-12:20 am

2 stops23h 40m

Washington, D.C. Dulles Intl

Wed 9/3

9:00 am-8:35 pm

2 stops23h 35m

$1,009

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Mon 8/25

6:55 pm-11:15 am

1 stop28h 20m

Washington, D.C. Dulles Intl

Mon 9/1

1:15 pm-12:10 pm

1 stop34h 55m

$1,060

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Mon 10/13

2:40 pm-7:30 pm

2 stops40h 50m

Washington, D.C. Dulles Intl

Tue 11/11

10:00 pm-11:25 am

2 stops48h 25m

$1,853

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Wed 9/10

9:35 am-11:32 pm

2 stops25h 57m

$502

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Tue 8/26

4:55 pm-12:20 am

3 stops43h 25m

$543

Taipei CityWashington, D.C.

TPE - IAD

TPEIAD

Taipei City Taiwan Taoyuan Intl

Sat 10/4

9:50 am-7:02 am

1 stop33h 12m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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, July 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 $306). 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 Korean Air, Delta, and 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.

Korean Air

8.4

Very good

1,121 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Korean Air

8.4

Very good

1,121 reviews

Korean Air

8.4

Very good

1,121 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Delta

8.0

Very good

7,979 reviews

Korean Air

8.4

Very good

1,121 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

United Airlines

7.4

Good

8,896 reviews

Korean Air

8.4

Very good

1,121 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Air China

7.3

Good

91 reviews

Korean Air

8.4

Very good

1,121 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

What are the cheapest airlines flying 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 $833. Other airlines that can offer you cheap pricing are Delta, from $890, and Korean Air, from $1,060. These flights start at 27% 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, July 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 $306). 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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Top 2 airlines flying from Taiwan Taoyuan Intl to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$843	Average$1,104	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$890	Average$1,068	FlexibilityNo cancel fee	On-timeN/A

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$502+ 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 9/10. 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 July 29, 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 July 29, 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

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.

What are the cheapest airlines flying 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 2 airlines 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 July 29, 2025.