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Dulles → Guanacaste

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IAD → LIR1 adulteconomy

18 flight options · 3 airlines

Round-trip flights

Fri, Nov 27 – Fri, Dec 4

United Airlines
8:51 amIAD
4h 59m
Nonstop
12:50 pmLIR
United Airlines
2:00 pmLIR
4h 35m
Nonstop
7:35 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
6:00 amIAD
7h 30m
CLT · 1h 22m
12:30 pmLIR
United Airlines
2:20 pmLIR
9h 17m
IAH · 2h 34m
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
6:00 amIAD
7h 45m
ATL · 1h 42m
12:45 pmLIR
Delta Air Lines
2:00 pmLIR
9h 36m
ATL · 3h 53m
12:36 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
6:01 amIAD
9h 18m
MIA · 3h 25m
2:19 pmLIR
United Airlines
2:20 pmLIR
9h 17m
IAH · 2h 34m
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
6:10 amIAD
10h 10m
ORD · 2h 31m
3:20 pmLIR
United Airlines
2:20 pmLIR
9h 17m
IAH · 2h 34m
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
8:30 amIAD
11h 7m
IAH · 3h 59m
6:37 pmLIR
United Airlines
2:20 pmLIR
9h 17m
IAH · 2h 34m
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

American Airlines
6:00 amIAD
7h 30m
CLT · 1h 22m
12:30 pmLIR
Delta Air Lines
2:00 pmLIR
9h 36m
ATL · 3h 53m
12:36 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

American Airlines
6:01 amIAD
9h 18m
MIA · 3h 25m
2:19 pmLIR
Delta Air Lines
2:00 pmLIR
9h 36m
ATL · 3h 53m
12:36 am+1IAD

Round-trip total · 1 adult · Taxes included

Show 4 more flights

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
6:00 amIAD
7h 45m
ATL · 1h 42m
12:45 pmLIR
Delta Air Lines
2:00 pmLIR
9h 36m
ATL · 3h 53m
12:36 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
8:30 amIAD
11h 7m
IAH · 3h 59m
6:37 pmLIR
United Airlines
2:00 pmLIR
4h 35m
Nonstop
7:35 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
8:51 amIAD
4h 59m
Nonstop
12:50 pmLIR
United Airlines
2:20 pmLIR
9h 17m
IAH · 2h 34m
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
6:10 amIAD
10h 10m
ORD · 2h 31m
3:20 pmLIR
United Airlines
2:00 pmLIR
4h 35m
Nonstop
7:35 pmIAD

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

United Airlines
8:51 amIAD
4h 59m
Nonstop
12:50 pmLIR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
6:01 amIAD
9h 18m
MIA · 3h 25m
2:19 pmLIR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
6:00 amIAD
7h 45m
ATL · 1h 42m
12:45 pmLIR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
6:00 amIAD
7h 30m
CLT · 1h 22m
12:30 pmLIR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
8:30 amIAD
11h 7m
IAH · 3h 59m
6:37 pmLIR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
6:10 amIAD
10h 10m
ORD · 2h 31m
3:20 pmLIR

One-way total · 1 adult · Taxes included

Make this trip yours

IAD ⇄ LIR

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates

Nov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-11-20 · one wayUnited AirlinesUA1547$355.002026-10-29T01:07:18Z
2026-11-27 → 2026-12-04United AirlinesUA1547 / UA1548$726.002026-10-29T01:07:18Z
2026-11-20 · one wayAmerican AirlinesAA552 + AA1383$300.002026-10-29T01:07:18Z
2026-11-20 · one wayDelta Air LinesDL2327 + DL1898$315.002026-10-29T01:07:18Z
2026-11-20 → 2026-11-23American Airlines / United AirlinesAA5649 + AA887 / UA1516 + UA750$622.002026-10-29T01:07:18Z
2026-11-27 → 2026-12-04Delta Air LinesDL2327 + DL1898 / DL1820 + DL2549$649.002026-10-29T01:07:18Z
2026-11-20 · one wayAmerican AirlinesAA5649 + AA887$300.002026-10-29T01:07:18Z
2026-11-20 · one wayUnited AirlinesUA1524 + UA1737$305.002026-10-29T01:07:18Z
2026-11-20 · one wayUnited AirlinesUA565 + UA1120$305.002026-10-29T01:07:18Z
2026-11-20 → 2026-11-23American Airlines / United AirlinesAA552 + AA1383 / UA1516 + UA750$622.002026-10-29T01:07:18Z
2026-11-20 → 2026-11-23United AirlinesUA565 + UA1120 / UA1516 + UA750$627.002026-10-29T01:07:18Z
2026-11-20 → 2026-11-23United AirlinesUA1524 + UA1737 / UA1516 + UA750$627.002026-10-29T01:07:18Z
2026-11-27 → 2026-12-04American Airlines / Delta Air LinesAA5649 + AA887 / DL1820 + DL2549$631.002026-10-29T01:07:18Z
2026-11-27 → 2026-12-04American Airlines / Delta Air LinesAA552 + AA1383 / DL1820 + DL2549$631.002026-10-29T01:07:18Z
2026-11-20 → 2026-11-23Delta Air LinesDL2327 + DL1898 / DL1820 + DL2549$649.002026-10-29T01:07:18Z
2026-11-27 → 2026-12-04United AirlinesUA1524 + UA1737 / UA1548$672.002026-10-29T01:07:18Z
2026-11-20 → 2026-11-23United AirlinesUA1547 / UA1516 + UA750$672.002026-10-29T01:07:18Z
2026-11-27 → 2026-12-04United AirlinesUA565 + UA1120 / UA1548$672.002026-10-29T01:07:18Z

2026-11-20 · one way · $355.00

  • United Airlines UA1547: IAD 2026-11-20 08:51:00 → LIR 2026-11-20 12:50:00; nonstop; 299 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $726.00

  • United Airlines UA1547: IAD 2026-11-27 08:51:00 → LIR 2026-11-27 12:50:00; nonstop; 299 minutes. Local airport times.
  • United Airlines UA1548: LIR 2026-12-04 14:00:00 → IAD 2026-12-04 19:35:00; nonstop; 275 minutes. Local airport times.

2026-11-20 · one way · $300.00

  • American Airlines AA552 / AA1383: IAD 2026-11-20 06:01:00 → LIR 2026-11-20 14:19:00; 1 stop(s) via MIA; 558 minutes. Local airport times.
    • AA552: IAD 2026-11-20 06:01:00 → MIA 2026-11-20 08:50:00; layover at MIA: 205 minutes.
    • AA1383: MIA 2026-11-20 12:15:00 → LIR 2026-11-20 14:19:00.

2026-11-20 · one way · $315.00

  • Delta Air Lines DL2327 / DL1898: IAD 2026-11-20 06:00:00 → LIR 2026-11-20 12:45:00; 1 stop(s) via ATL; 465 minutes. Local airport times.
    • DL2327: IAD 2026-11-20 06:00:00 → ATL 2026-11-20 07:58:00; layover at ATL: 102 minutes.
    • DL1898: ATL 2026-11-20 09:40:00 → LIR 2026-11-20 12:45:00.

2026-11-20 → 2026-11-23 · $622.00

  • American Airlines AA5649 / AA887: IAD 2026-11-20 06:00:00 → LIR 2026-11-20 12:30:00; 1 stop(s) via CLT; 450 minutes. Local airport times.
    • AA5649: IAD 2026-11-20 06:00:00 → CLT 2026-11-20 07:48:00; layover at CLT: 82 minutes.
    • AA887: CLT 2026-11-20 09:10:00 → LIR 2026-11-20 12:30:00.
  • United Airlines UA1516 / UA750: LIR 2026-11-23 14:20:00 → IAD 2026-11-24 00:37:00; 1 stop(s) via IAH; 557 minutes. Local airport times.
    • UA1516: LIR 2026-11-23 14:20:00 → IAH 2026-11-23 18:04:00; layover at IAH: 154 minutes.
    • UA750: IAH 2026-11-23 20:38:00 → IAD 2026-11-24 00:37:00.

2026-11-27 → 2026-12-04 · $649.00

  • Delta Air Lines DL2327 / DL1898: IAD 2026-11-27 06:00:00 → LIR 2026-11-27 12:45:00; 1 stop(s) via ATL; 465 minutes. Local airport times.
    • DL2327: IAD 2026-11-27 06:00:00 → ATL 2026-11-27 07:58:00; layover at ATL: 102 minutes.
    • DL1898: ATL 2026-11-27 09:40:00 → LIR 2026-11-27 12:45:00.
  • Delta Air Lines DL1820 / DL2549: LIR 2026-12-04 14:00:00 → IAD 2026-12-05 00:36:00; 1 stop(s) via ATL; 576 minutes. Local airport times.
    • DL1820: LIR 2026-12-04 14:00:00 → ATL 2026-12-04 19:02:00; layover at ATL: 233 minutes.
    • DL2549: ATL 2026-12-04 22:55:00 → IAD 2026-12-05 00:36:00.

2026-11-20 · one way · $300.00

  • American Airlines AA5649 / AA887: IAD 2026-11-20 06:00:00 → LIR 2026-11-20 12:30:00; 1 stop(s) via CLT; 450 minutes. Local airport times.
    • AA5649: IAD 2026-11-20 06:00:00 → CLT 2026-11-20 07:48:00; layover at CLT: 82 minutes.
    • AA887: CLT 2026-11-20 09:10:00 → LIR 2026-11-20 12:30:00.

2026-11-20 · one way · $305.00

  • United Airlines UA1524 / UA1737: IAD 2026-11-20 08:30:00 → LIR 2026-11-20 18:37:00; 1 stop(s) via IAH; 667 minutes. Local airport times.
    • UA1524: IAD 2026-11-20 08:30:00 → IAH 2026-11-20 11:06:00; layover at IAH: 239 minutes.
    • UA1737: IAH 2026-11-20 15:05:00 → LIR 2026-11-20 18:37:00.

2026-11-20 · one way · $305.00

  • United Airlines UA565 / UA1120: IAD 2026-11-20 06:10:00 → LIR 2026-11-20 15:20:00; 1 stop(s) via ORD; 610 minutes. Local airport times.
    • UA565: IAD 2026-11-20 06:10:00 → ORD 2026-11-20 07:32:00; layover at ORD: 151 minutes.
    • UA1120: ORD 2026-11-20 10:03:00 → LIR 2026-11-20 15:20:00.

2026-11-20 → 2026-11-23 · $622.00

  • American Airlines AA552 / AA1383: IAD 2026-11-20 06:01:00 → LIR 2026-11-20 14:19:00; 1 stop(s) via MIA; 558 minutes. Local airport times.
    • AA552: IAD 2026-11-20 06:01:00 → MIA 2026-11-20 08:50:00; layover at MIA: 205 minutes.
    • AA1383: MIA 2026-11-20 12:15:00 → LIR 2026-11-20 14:19:00.
  • United Airlines UA1516 / UA750: LIR 2026-11-23 14:20:00 → IAD 2026-11-24 00:37:00; 1 stop(s) via IAH; 557 minutes. Local airport times.
    • UA1516: LIR 2026-11-23 14:20:00 → IAH 2026-11-23 18:04:00; layover at IAH: 154 minutes.
    • UA750: IAH 2026-11-23 20:38:00 → IAD 2026-11-24 00:37:00.

2026-11-20 → 2026-11-23 · $627.00

  • United Airlines UA565 / UA1120: IAD 2026-11-20 06:10:00 → LIR 2026-11-20 15:20:00; 1 stop(s) via ORD; 610 minutes. Local airport times.
    • UA565: IAD 2026-11-20 06:10:00 → ORD 2026-11-20 07:32:00; layover at ORD: 151 minutes.
    • UA1120: ORD 2026-11-20 10:03:00 → LIR 2026-11-20 15:20:00.
  • United Airlines UA1516 / UA750: LIR 2026-11-23 14:20:00 → IAD 2026-11-24 00:37:00; 1 stop(s) via IAH; 557 minutes. Local airport times.
    • UA1516: LIR 2026-11-23 14:20:00 → IAH 2026-11-23 18:04:00; layover at IAH: 154 minutes.
    • UA750: IAH 2026-11-23 20:38:00 → IAD 2026-11-24 00:37:00.

2026-11-20 → 2026-11-23 · $627.00

  • United Airlines UA1524 / UA1737: IAD 2026-11-20 08:30:00 → LIR 2026-11-20 18:37:00; 1 stop(s) via IAH; 667 minutes. Local airport times.
    • UA1524: IAD 2026-11-20 08:30:00 → IAH 2026-11-20 11:06:00; layover at IAH: 239 minutes.
    • UA1737: IAH 2026-11-20 15:05:00 → LIR 2026-11-20 18:37:00.
  • United Airlines UA1516 / UA750: LIR 2026-11-23 14:20:00 → IAD 2026-11-24 00:37:00; 1 stop(s) via IAH; 557 minutes. Local airport times.
    • UA1516: LIR 2026-11-23 14:20:00 → IAH 2026-11-23 18:04:00; layover at IAH: 154 minutes.
    • UA750: IAH 2026-11-23 20:38:00 → IAD 2026-11-24 00:37:00.

2026-11-27 → 2026-12-04 · $631.00

  • American Airlines AA5649 / AA887: IAD 2026-11-27 06:00:00 → LIR 2026-11-27 12:30:00; 1 stop(s) via CLT; 450 minutes. Local airport times.
    • AA5649: IAD 2026-11-27 06:00:00 → CLT 2026-11-27 07:48:00; layover at CLT: 82 minutes.
    • AA887: CLT 2026-11-27 09:10:00 → LIR 2026-11-27 12:30:00.
  • Delta Air Lines DL1820 / DL2549: LIR 2026-12-04 14:00:00 → IAD 2026-12-05 00:36:00; 1 stop(s) via ATL; 576 minutes. Local airport times.
    • DL1820: LIR 2026-12-04 14:00:00 → ATL 2026-12-04 19:02:00; layover at ATL: 233 minutes.
    • DL2549: ATL 2026-12-04 22:55:00 → IAD 2026-12-05 00:36:00.

2026-11-27 → 2026-12-04 · $631.00

  • American Airlines AA552 / AA1383: IAD 2026-11-27 06:01:00 → LIR 2026-11-27 14:19:00; 1 stop(s) via MIA; 558 minutes. Local airport times.
    • AA552: IAD 2026-11-27 06:01:00 → MIA 2026-11-27 08:50:00; layover at MIA: 205 minutes.
    • AA1383: MIA 2026-11-27 12:15:00 → LIR 2026-11-27 14:19:00.
  • Delta Air Lines DL1820 / DL2549: LIR 2026-12-04 14:00:00 → IAD 2026-12-05 00:36:00; 1 stop(s) via ATL; 576 minutes. Local airport times.
    • DL1820: LIR 2026-12-04 14:00:00 → ATL 2026-12-04 19:02:00; layover at ATL: 233 minutes.
    • DL2549: ATL 2026-12-04 22:55:00 → IAD 2026-12-05 00:36:00.

2026-11-20 → 2026-11-23 · $649.00

  • Delta Air Lines DL2327 / DL1898: IAD 2026-11-20 06:00:00 → LIR 2026-11-20 12:45:00; 1 stop(s) via ATL; 465 minutes. Local airport times.
    • DL2327: IAD 2026-11-20 06:00:00 → ATL 2026-11-20 07:58:00; layover at ATL: 102 minutes.
    • DL1898: ATL 2026-11-20 09:40:00 → LIR 2026-11-20 12:45:00.
  • Delta Air Lines DL1820 / DL2549: LIR 2026-11-23 14:00:00 → IAD 2026-11-24 00:36:00; 1 stop(s) via ATL; 576 minutes. Local airport times.
    • DL1820: LIR 2026-11-23 14:00:00 → ATL 2026-11-23 19:02:00; layover at ATL: 233 minutes.
    • DL2549: ATL 2026-11-23 22:55:00 → IAD 2026-11-24 00:36:00.

2026-11-27 → 2026-12-04 · $672.00

  • United Airlines UA1524 / UA1737: IAD 2026-11-27 08:30:00 → LIR 2026-11-27 18:37:00; 1 stop(s) via IAH; 667 minutes. Local airport times.
    • UA1524: IAD 2026-11-27 08:30:00 → IAH 2026-11-27 11:06:00; layover at IAH: 239 minutes.
    • UA1737: IAH 2026-11-27 15:05:00 → LIR 2026-11-27 18:37:00.
  • United Airlines UA1548: LIR 2026-12-04 14:00:00 → IAD 2026-12-04 19:35:00; nonstop; 275 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $672.00

  • United Airlines UA1547: IAD 2026-11-20 08:51:00 → LIR 2026-11-20 12:50:00; nonstop; 299 minutes. Local airport times.
  • United Airlines UA1516 / UA750: LIR 2026-11-23 14:20:00 → IAD 2026-11-24 00:37:00; 1 stop(s) via IAH; 557 minutes. Local airport times.
    • UA1516: LIR 2026-11-23 14:20:00 → IAH 2026-11-23 18:04:00; layover at IAH: 154 minutes.
    • UA750: IAH 2026-11-23 20:38:00 → IAD 2026-11-24 00:37:00.

2026-11-27 → 2026-12-04 · $672.00

  • United Airlines UA565 / UA1120: IAD 2026-11-27 06:10:00 → LIR 2026-11-27 15:20:00; 1 stop(s) via ORD; 610 minutes. Local airport times.
    • UA565: IAD 2026-11-27 06:10:00 → ORD 2026-11-27 07:32:00; layover at ORD: 151 minutes.
    • UA1120: ORD 2026-11-27 10:03:00 → LIR 2026-11-27 15:20:00.
  • United Airlines UA1548: LIR 2026-12-04 14:00:00 → IAD 2026-12-04 19:35:00; nonstop; 275 minutes. Local airport times.

More dates for this route