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Dulles Intl

$129+ Cheap flights from Long Beach (LGB) 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
LGB — IAD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Long Beach to Dulles Intl

Cheapest flights from Long Beach to Dulles Intl
Explore the most affordable flight options available from Long Beach to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:45 pm
LGB
-
IAD
1 stop6h 55m
Southwest
Sun 4/55:05 am
IAD
-
LGB
1 stop7h 55m
Southwest
Deal found 2/2$257
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:45 pm
LGB
-
IAD
1 stop6h 55m
Southwest
Sat 4/45:50 am
IAD
-
LGB
1 stop12h 55m
Southwest
Deal found 2/3$262
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:55 am
LGB
-
IAD
1 stop6h 55m
Southwest
Sun 3/15:10 am
IAD
-
LGB
1 stop7h 35m
Southwest
Deal found 2/2$287
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:50 am
LGB
-
IAD
1 stop12h 20m
Southwest
Sun 3/15:10 am
IAD
-
LGB
1 stop7h 35m
Southwest
Deal found 2/1$292
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:00 am
LGB
-
IAD
1 stop8h 20m
Southwest
Sun 3/15:10 am
IAD
-
LGB
1 stop7h 35m
Southwest
Deal found 2/2$317
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:00 am
LGB
-
IAD
1 stop8h 20m
Southwest
Sat 2/284:30 pm
IAD
-
LGB
1 stop7h 35m
Southwest
Deal found 2/1$342
This Delta deal was found by Cheapflights users on 2/1. 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.
Fri 2/201:15 pm
LGB
-
IAD
1 stop7h 31m
Delta
Tue 2/247:05 am
IAD
-
LGB
1 stop7h 58m
Delta
Deal found 2/1$362
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:25 am
LGB
-
IAD
2 stops9h 30m
Southwest
Sat 3/75:50 am
IAD
-
LGB
2 stops11h 15m
Southwest
Deal found 2/2$369

Find flight deals from Long Beach to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Long Beach (LGB) to Dulles Intl (IAD). 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(Southwest)

One-way from

$129
(Southwest)

Popular in

December

Cheapest in

August

Average price

$322
Provider with most accurate pricing for Long Beach Municipal-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Long Beach Municipal-Washington, D.C. Dulles Intl flights.
Search Deals
From Long Beach Municipal to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Long Beach Municipal to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Long Beach to Dulles Intl 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 February 3, 2026.
Use the filters below to find and compare flights from Long Beach to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Long Beach

Fly to

Dulles Intl

Route

Depart

Return

Price

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Wed 4/1

1:45 pm-11:40 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Sun 4/5

5:05 am-10:00 am

1 stop7h 55m

$257

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Wed 4/1

1:45 pm-11:40 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Sat 4/4

5:50 am-3:45 pm

1 stop12h 55m

$262

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Wed 2/25

6:55 am-4:50 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Sun 3/1

5:10 am-9:45 am

1 stop7h 35m

$287

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Tue 3/31

1:45 pm-11:40 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Mon 4/6

5:50 am-10:00 am

1 stop7h 10m

$287

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Tue 3/3

9:25 am-9:55 pm

2 stops9h 30m

Washington, D.C. Dulles Intl

Sat 3/7

5:50 am-10:00 am

1 stop7h 10m

$292

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Sun 2/22

7:50 am-11:10 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Sun 3/1

5:10 am-9:45 am

1 stop7h 35m

$292

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Thu 2/26

7:00 am-6:20 pm

1 stop8h 20m

Washington, D.C. Dulles Intl

Sun 3/1

5:10 am-9:45 am

1 stop7h 35m

$317

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Sat 3/7

6:50 am-4:05 pm

1 stop6h 15m

$129

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Thu 4/23

2:55 pm-12:20 am

1 stop6h 25m

$186

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Mon 4/13

2:55 pm-12:20 am

1 stop6h 25m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 16 results
1
2

Compare providers for flights from Long Beach to Dulles Intl

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 Long Beach to Dulles Intl in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 Long Beach-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Long Beach-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Long Beach-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Long Beach-Washington, D.C. Dulles Intl Airport 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 Long Beach-Washington, D.C. Dulles Intl Airport 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 Long Beach to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Long Beach 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 Long Beach to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Long Beach to Washington, D.C. Dulles Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Long Beach to Washington, D.C. Dulles Intl Airport (average of $144). Flying from Long Beach to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $267). 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.

Related info for your journey

Find useful and relevant information for your journey from Long Beach 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 airport do you fly from for flights from Long Beach to Washington, D.C. Dulles Intl?

    Most people fly from Long Beach Municipal (LGB) if they book a flight from Long Beach to Washington, D.C. Dulles Intl. On average, Long Beach Municipal has 0 outbound flights to Washington, D.C. Dulles Intl per day from 0 airlines. Long Beach Municipal is conveniently located just 4.1 mi from Long Beach’s city center.

  • How long is the flight from Long Beach to Washington, D.C. Dulles Intl Airport?

    Airlines like Southwest fly from Long Beach to Washington, D.C. Dulles Intl Airport in about 6h 55m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 2271 mi.

  • Can I find deals for flights from Long Beach to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from Long Beach to Dulles Intl?

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

  • Can I find deals for business class flights from Long Beach to Dulles Intl?

    Yes. Cheapflights offers flight deals from Long Beach 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 Long Beach to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Long Beach to Washington, D.C. Dulles Intl Airport (average of $144). Flying from Long Beach to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $267). 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

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

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

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Alternative routes for Long Beach to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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