S$121 Cheap Flights from New York to Washington

View S$121 flight on Wed, 28 Jan, 2026Opens in a new window

Popular airlines from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from New York to Washington (LGA-IAD)

Prices were available within the past 7 days and start at S$121 for one-way flights and S$241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 28 Jan - Mon, 2 Feb
LGA
New York
IAD
Washington
S$241 Return, found 2 days ago
S$241
Return
found 2 days ago
Select United flight, departing Wed, 28 Jan from New York to Washington, returning Mon, 2 Feb, priced at S$241 found 2 days ago
United
Mon, 9 Mar - Thu, 12 Mar
LGA
New York
IAD
Washington
S$243 Return, found 5 days ago
S$243
Return
found 5 days ago
Select United flight, departing Mon, 9 Mar from New York to Washington, returning Thu, 12 Mar, priced at S$243 found 5 days ago
United
Wed, 28 Jan - Mon, 2 Feb
LGA
New York
IAD
Washington
S$248 Return, found 2 days ago
S$248
Return
found 2 days ago
Select United flight, departing Wed, 28 Jan from New York to Washington, returning Mon, 2 Feb, priced at S$248 found 2 days ago
United
Fri, 20 Feb - Fri, 27 Feb
LGA
New York
IAD
Washington
S$250 Return, found 17 hours ago
S$250
Return
found 17 hours ago
Select United flight, departing Fri, 20 Feb from New York to Washington, returning Fri, 27 Feb, priced at S$250 found 17 hours ago
United
Thu, 22 Jan - Sun, 25 Jan
LGA
New York
IAD
Washington
S$254 Return, found 2 days ago
S$254
Return
found 2 days ago
Select United flight, departing Thu, 22 Jan from New York to Washington, returning Sun, 25 Jan, priced at S$254 found 2 days ago
United
Mon, 9 Mar - Thu, 12 Mar
LGA
New York
IAD
Washington
S$294 Return, found 5 days ago
S$294
Return
found 5 days ago
Select United flight, departing Mon, 9 Mar from New York to Washington, returning Thu, 12 Mar, priced at S$294 found 5 days ago
United
Fri, 20 Feb - Fri, 27 Feb
LGA
New York
IAD
Washington
S$294 Return, found 17 hours ago
S$294
Return
found 17 hours ago
Select United flight, departing Fri, 20 Feb from New York to Washington, returning Fri, 27 Feb, priced at S$294 found 17 hours ago
United
Thu, 22 Jan - Sun, 25 Jan
LGA
New York
IAD
Washington
S$312 Return, found 2 days ago
S$312
Return
found 2 days ago
Select United flight, departing Thu, 22 Jan from New York to Washington, returning Sun, 25 Jan, priced at S$312 found 2 days ago
United
Fri, 20 Feb - Fri, 27 Feb
LGA
New York
IAD
Washington
S$313 Return, found 17 hours ago
S$313
Return
found 17 hours ago
Select United flight, departing Fri, 20 Feb from New York to Washington, returning Fri, 27 Feb, priced at S$313 found 17 hours ago
American Airlines
Thu, 22 Jan - Sun, 25 Jan
LGA
New York
IAD
Washington
S$323 Return, found 2 days ago
S$323
Return
found 2 days ago
Select American Airlines flight, departing Thu, 22 Jan from New York to Washington, returning Sun, 25 Jan, priced at S$323 found 2 days ago

Find the cheapest month to fly from New York (LGA) to Washington (IAD)

March is typically the cheapest month to fly

From S$118 - S$377 per traveller.

Frequently asked questions

How much is a flight from LaGuardia Airport (LGA) to IAD?
Round-trip flights from LGA to Washington Dulles Intl. Airport (IAD) start from S$241. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year — book now so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)?
Every air carrier has a different set of terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from LaGuardia Airport (LGA) to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for LGA to IAD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LaGuardia Airport to IAD?
It's just 370 kilometres between Flushing and Chantilly. It's quite possible that you'll spend more time getting to and from the airport than actually flying!
Which airlines fly direct from LGA to IAD?
Flying nonstop from LaGuardia Airport to IAD is easy with United Airlines (UA). This top carrier operates 252 flights every month.
Are LGA to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Booking last minute from LGA to Dulles Intl. Airport can be hit-or-miss. You may be able to find a bargain, but you could also completely miss out! If you'd prefer to play it safe and start planning your trip ahead of time, Expedia compares flight deals up to a year in advance. Just remember that not all airlines publish their prices so far in advance. Our advice? Check back often as updates are made regularly.

Travel information

Origin airport
LaGuardia
Destination airport
Washington Dulles Intl.
Airlines serving
United
Return price
S$241
Distance
364 km
Average flight time
1 hour 27 mins

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Perfect flights from New York to Washington

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from New York to Washington

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