
Popular airlines
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- Spirit Airlines
Spirit Airlines
- Frontier Airlines
Frontier Airlines
- JetBlue Airways
JetBlue Airways
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 45% on select hotels after you book a flight*payments icon
How much is the cheapest flight to Rosemont?
Prices were available within the past 7 days and start at NT$4,817 for one-way flights and NT$10,585 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Aug 31 - Sun, Sep 28
LAX
Los Angeles
IAD
Washington
NT$10,585 Roundtrip, found 5 days ago
NT$10,585
Roundtrip
found 5 days ago

Fri, Oct 31 - Fri, Nov 7
LAX
Los Angeles
IAD
Washington
NT$14,278 Roundtrip, found 19 hours ago
NT$14,278
Roundtrip
found 19 hours ago

Mon, Nov 24 - Sun, Nov 30
TPE
Taipei
IAD
Washington
NT$30,754 Roundtrip, found 1 hour ago
NT$30,754
Roundtrip
found 1 hour ago

Thu, Nov 13 - Fri, Dec 5
TPE
Taipei
IAD
Washington
NT$31,127 Roundtrip, found 2 days ago
NT$31,127
Roundtrip
found 2 days ago

Wed, Oct 22 - Sat, Nov 1
ICN
Seoul
IAD
Washington
NT$32,552 Roundtrip, found 3 days ago
NT$32,552
Roundtrip
found 3 days ago
Destination airport | Washington Dulles Intl. |
Destination airport IATA code | IAD |
Destination city name | Washington |
Roundtrip price | NT$10,585 |
Get up to 100% off your flight to Rosemont when booking a Flight + Hotel
Heading to Rosemont? Explore Rosemont with Expedia's Travel Guides to find the best hotels, vacation packages, car rental deals and more!
Trending flights to Rosemont
Prices were available within the past 7 days and start at NT$4,817 for one-way flights and NT$10,585 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 2 - Sat, Oct 25
TPE
Taipei
IAD
Washington
NT$26,795 Roundtrip, found 2 days ago
NT$26,795
Roundtrip
found 2 days ago
- Top Flights Destinations
- From Other Airports to Rosemont
- Flights to Cities Near Rosemont
- Top Rosemont Hotels
- Airlines Operating
Top Flight Destinations In the World
- Flights to Taiwan
- Flights to Japan
- Flights to South Korea
- Flights to Philippines
- Flights to Thailand
- Flights to United States of America
- Flights to Malaysia
- Flights to Australia
- Flights to China
- Flights to Vietnam
- Flights to South Africa
- Flights to New Zealand
- Flights to Canada
- Flights to Germany
- Flights to Spain
- Flights to France
- Flights to Italy
- Flights to Türkiye
- Flights to Russia
- Flights to United Kingdom
From Other Airports to Rosemont
- Tokyo to Washington (NRT - IAD)
- Los Angeles to Washington (LAX - IAD)
- Taipei to Washington (TSA - IAD)
- Seoul to Washington (ICN - IAD)
- Taipei to Washington (TPE - IAD)
- Kaohsiung to Washington (KHH - IAD)
- Pittsburgh to Washington (PIT - IAD)
- San Francisco to Washington (SFO - IAD)
- Seattle to Washington (SEA - IAD)
- Tokyo to Washington (HND - IAD)
Flights to Cities Near Rosemont
Airlines Operating
*Available to Expedia members.