HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belize

$120+ Cheap flights from Dulles Intl (IAD) to Belize

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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZE
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Belize with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Dulles Intl to Belize

Cheapest flights from Dulles Intl to Belize
Explore the most affordable flight options available from Dulles Intl to Belize. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Copa Airlines deal was found by Cheapflights users on 11/5. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:22 amIAD - BZE
1 stop9h 06mCopa Airlines
Fri 12/125:24 pmBZE - IAD
1 stop8h 58mCopa Airlines
Deal found 11/5$326
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:30 amIAD - BZE
1 stop7h 02mUnited Airlines
Wed 12/101:18 pmBZE - IAD
1 stop7h 57mUnited Airlines
Deal found 11/5$330
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:25 amIAD - BZE
2 stops9h 42mAmerican Airlines
Sat 12/134:10 pmBZE - IAD
1 stop6h 51mAmerican Airlines
Deal found 11/6$335
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:16 pmIAD - BZE
1 stop25h 46mAmerican Airlines
Wed 12/101:11 pmBZE - IAD
1 stop8h 48mAmerican Airlines
Deal found 11/6$337
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:30 amIAD - BZE
1 stop7h 02mUnited Airlines
Sun 12/143:38 pmBZE - IAD
1 stop18h 45mUnited Airlines
Deal found 11/5$339
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:00 amIAD - BZE
1 stop10h 07mAmerican Airlines
Sun 12/144:20 pmBZE - IAD
2 stops23h 39mAmerican Airlines
Deal found 11/5$340
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:08 pmIAD - BZE
2 stops21h 19mAmerican Airlines
Sun 12/213:11 pmBZE - IAD
2 stops16h 31mAmerican Airlines
Deal found 11/6$342
This Delta deal was found by Cheapflights users on 11/5. 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.
Sun 12/76:00 amIAD - BZE
1 stop7h 40mDelta
Thu 12/112:05 pmBZE - IAD
1 stop9h 07mDelta
Deal found 11/5$352
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:05 pmIAD - BZE
2 stops18h 22mAmerican Airlines
Fri 12/193:11 pmBZE - IAD
2 stops16h 31mAmerican Airlines
Deal found 11/6$357
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:04 amIAD - BZE
1 stop10h 00mAmerican Airlines
Tue 11/254:20 pmBZE - IAD
2 stops19h 52mAmerican Airlines
Deal found 11/5$373
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 amIAD - BZE
1 stop9h 32mUnited Airlines
Mon 12/151:18 pmBZE - IAD
1 stop7h 57mUnited Airlines
Deal found 11/6$374
This Mytrip deal was found by Cheapflights users on 11/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/91:25 amIAD - PLJ
3 stops16h 25mMultiple Airlines
Wed 11/128:30 amPLJ - IAD
3 stops17h 40mMultiple Airlines
Deal found 11/6$1,512

Cheap flight deals from Dulles Intl to Belize

Keep the following information in mind while searching for Dulles Intl to Belize flight deals. Data was last updated November 6, 2025.

Round-trip from

$300
(Copa Airlines)

One-way from

$120
(Delta)

Popular in

December

Cheapest in

August

Average price

$469
From Washington, D.C. Dulles Intl to Belize
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Belize
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Belize 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 November 6, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Belize that are best for you.

Fly from

Dulles Intl

Fly to

Belize

Route

Depart

Return

Price

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Sat 12/6

6:00 am-3:07 pm

1 stop10h 07m

Belize City Philip S.W.Goldson

Sat 12/13

4:10 pm-12:01 am

1 stop6h 51m

$330

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Wed 12/10

2:16 pm-12:11 pm

2 stops22h 55m

Belize City Philip S.W.Goldson

Sun 12/14

4:20 pm-1:34 pm

2 stops20h 14m

$340

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Wed 12/10

8:30 am-2:32 pm

1 stop7h 02m

Belize City Philip S.W.Goldson

Sun 12/14

3:38 pm-11:23 am

1 stop18h 45m

$362

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Wed 1/7

11:34 am-11:49 am

1 stop25h 15m

Belize City Philip S.W.Goldson

Sun 1/11

1:22 pm-10:58 am

2 stops20h 36m

$370

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Mon 11/17

8:30 am-2:32 pm

1 stop7h 02m

Belize City Philip S.W.Goldson

Mon 11/24

3:38 pm-11:28 am

1 stop18h 50m

$417

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Mon 5/4

4:25 pm-10:30 am

1 stop20h 05m

Belize City Philip S.W.Goldson

Fri 5/8

11:26 am-12:30 am

1 stop11h 04m

$426

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Sat 2/28

10:25 pm-3:32 pm

1 stop18h 07m

Belize City Philip S.W.Goldson

Thu 3/5

3:38 pm-11:59 pm

1 stop7h 21m

$428

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Tue 12/9

8:30 am-2:32 pm

1 stop7h 02m

Belize City Philip S.W.Goldson

Mon 12/15

1:18 pm-10:15 pm

1 stop7h 57m

$440

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Sat 1/10

6:00 am-12:41 pm

1 stop7h 41m

Belize City Philip S.W.Goldson

Mon 1/19

1:18 pm-11:23 am

1 stop21h 05m

$450

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Thu 12/11

6:00 am-2:32 pm

1 stop9h 32m

Belize City Philip S.W.Goldson

Mon 12/15

1:18 pm-10:15 pm

1 stop7h 57m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Dulles Intl to Belize

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

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belize (average of $123). Flying from Washington, D.C. Dulles Intl Airport to Belize in April is currently the most expensive (average of $347). 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.

What is the cheapest time of day to fly from IAD to BZ?

Find hourly flight availability from Dulles Intl to Belize. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Belize, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 62% versus a flight in the morning.

Reviews of airlines servicing Belize

Get insights into the airlines that provide service to Belize. 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 Belize. Reviews last updated November 6, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. Dulles Intl Airport to Belize to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,007 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Belize. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Copa Airlines, American Airlines, and United Airlines can get you from Washington, D.C. Dulles Intl Airport to Belize in just under 7h 02m. Your travel time can differ by up to 3h 16m. The distance between Washington, D.C. Dulles Intl Airport and Belize is about 1616 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Belize?

    While some choose either Washington, D.C. Dulles Intl - Belmopan or Washington, D.C. Dulles Intl - Placencia, Washington, D.C. Dulles Intl - Belize City Philip S.W.Goldson is the most popular route from Washington, D.C. Dulles Intl Airport to Belize.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belize (average of $123). Flying from Washington, D.C. Dulles Intl Airport to Belize in April is currently the most expensive (average of $347). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Belize

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to San Salvador flights
Dulles Intl to San José flights
Dulles Intl to Panama City flights
Baltimore to San Salvador flights
Reagan-National to San Salvador flights
Dulles Intl to Guatemala City flights
Baltimore to San José flights
Reagan-National to San José flights
Baltimore to Panama City flights
Baltimore to Guatemala City flights
Reagan-National to Panama City flights
Reagan-National to Guatemala City flights
Dulles Intl to Liberia flights
Baltimore to Liberia flights
Reagan-National to Liberia flights
Dulles Intl to Philip S.W.Goldson flights
Dulles Intl to Managua flights
Baltimore to Philip S.W.Goldson flights
Reagan-National to Philip S.W.Goldson flights
Dulles Intl to San Pedro Sula flights
Baltimore to Managua flights
Reagan-National to Managua flights
Reagan-National to San Pedro Sula flights
Baltimore to San Pedro Sula flights
Baltimore to Coxen Hole flights
Reagan-National to Coxen Hole flights
Dulles Intl to Coxen Hole flights
Dulles Intl to Flores flights
Dulles Intl to Tegucigalpa flights
Dulles Intl to David flights
Baltimore to David flights
Reagan-National to David flights
Dulles Intl to Bocas del Toro flights
Baltimore to Tegucigalpa flights
Dulles Intl to Placencia flights
Dulles Intl to Belmopan flights
Reagan-National to Tegucigalpa flights
Dulles Intl to San Pedro Town flights

Top 3 airlines flying from Dulles Intl to Belize

Discover the top 3 airlines that operate flights from Dulles Intl to Belize. 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$283Average$431FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$284Average$490FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$318Average$433FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.