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Dulles Intl

$149+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
LGB — IAD
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
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 March 20, 2026.

This Southwest deal was found by Cheapflights users on 3/18. 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 4/151:50 pm
LGB
-
IAD
1 stop6h 50m
Southwest
Wed 4/226:20 am
IAD
-
LGB
1 stop7h 15m
Southwest
Deal found 3/18$297
This Southwest deal was found by Cheapflights users on 3/19. 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 4/2110:45 am
LGB
-
IAD
2 stops9h 55m
Southwest
Fri 4/245:55 am
IAD
-
LGB
1 stop7h 10m
Southwest
Deal found 3/19$312
This Delta deal was found by Cheapflights users on 3/16. 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.
Tue 5/57:00 am
LGB
-
IAD
2 stops13h 32m
Delta
Sat 5/911:15 am
IAD
-
LGB
2 stops13h 28m
Delta
Deal found 3/16$317
This Southwest deal was found by Cheapflights users on 3/16. 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 4/169:00 am
LGB
-
IAD
1 stop12h 20m
Southwest
Sun 4/195:50 am
IAD
-
LGB
1 stop7h 15m
Southwest
Deal found 3/16$322
This Southwest deal was found by Cheapflights users on 3/17. 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 4/1612:25 pm
LGB
-
IAD
2 stops8h 55m
Southwest
Sat 4/185:50 am
IAD
-
LGB
2 stops9h 05m
Southwest
Deal found 3/17$337
This Southwest deal was found by Cheapflights users on 3/16. 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 4/92:55 pm
LGB
-
IAD
1 stop6h 25m
Southwest
Mon 4/135:55 am
IAD
-
LGB
1 stop12h 10m
Southwest
Deal found 3/16$342
This Delta deal was found by Cheapflights users on 3/16. 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.
Wed 8/1212:59 pm
LGB
-
IAD
1 stop7h 52m
Delta
Tue 8/187:25 am
IAD
-
LGB
1 stop7h 46m
Delta
Deal found 3/16$348

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 March 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(Southwest)

One-way from

$149
(Delta)

Popular in

December

Cheapest in

August

Average price

$452
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. 13% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 20, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Tue 5/5

7:00 am-11:32 pm

2 stops13h 32m

Washington, D.C. Dulles Intl

Sat 5/9

11:15 am-9:43 pm

2 stops13h 28m

$317

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Thu 5/7

12:25 pm-12:20 am

2 stops8h 55m

Washington, D.C. Dulles Intl

Sat 5/9

5:50 am-11:55 am

2 stops9h 05m

$327

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Thu 5/28

2:55 pm-12:20 am

1 stop6h 25m

Washington, D.C. Dulles Intl

Tue 6/2

6:20 am-3:35 pm

2 stops12h 15m

$348
Quickest round-trip

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Tue 4/28

6:50 am-4:50 pm

1 stop7h 00m

Washington, D.C. Dulles Intl

Thu 4/30

5:55 am-10:05 am

1 stop7h 10m

$367

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Mon 5/11

12:25 pm-12:20 am

2 stops8h 55m

Washington, D.C. Dulles Intl

Thu 5/14

5:55 am-10:05 am

1 stop7h 10m

$392

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Sat 5/16

8:20 am-10:55 pm

2 stops11h 35m

Washington, D.C. Dulles Intl

Tue 5/19

6:20 am-10:35 am

1 stop7h 15m

$402

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Fri 4/17

9:00 am-12:20 am

1 stop12h 20m

Washington, D.C. Dulles Intl

Fri 4/24

5:55 am-10:05 am

1 stop7h 10m

$412
Cheapest one-way

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Fri 4/17

12:55 pm-11:44 pm

1 stop7h 49m

$159
Quickest one-way

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Thu 4/23

2:55 pm-12:20 am

1 stop6h 25m

$159

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Wed 5/13

7:05 am-10:56 pm

2 stops12h 51m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 18 resultsSorted by cheapest first
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 March.
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, August is the cheapest month in which you can book a flight from Long Beach to Washington, D.C. Dulles Intl Airport (average of $155). Flying from Long Beach to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $277). 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.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated March 20, 2026.
Read reviews from past customers who have flown Southwest from Long Beach to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,324 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,324 reviews
Southwest
8.0
Very good
4,324 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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 1 airline. 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 Delta and Southwest fly from Long Beach to Washington, D.C. Dulles Intl Airport in about 8h 55m. The time it takes to get you to your destination can typically vary by up to 4h 37m. Airlines will cover a distance of 2271 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Long Beach to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at $207, Southwest will fly you from Long Beach to Washington, D.C. Dulles Intl Airport and back. In addition to Southwest, many other airlines offer competitively priced options for your trip.

  • 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, August is the cheapest month in which you can book a flight from Long Beach to Washington, D.C. Dulles Intl Airport (average of $155). Flying from Long Beach to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $277). 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
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

Browse thousands of different options on Cheapflights for your next trip

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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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Palm Springs to Reagan-National flights
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San Luis Obispo to Reagan-National flights
Monterey to Baltimore flights
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Top airline flying from Long Beach to Dulles Intl

Discover the top airline that operate flights from Long Beach to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$207Average$322FlexibilityNo cancel feeOn-time63%

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